CONSECO SERIES TRUST
N-30D, 2000-03-06
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CONSECO SERIES TRUST

DECEMBER 31, 1999

ANNUAL REPORT

                                                          Money Market Portfolio
                                                 Government Securities Portfolio
                                                          Fixed Income Portfolio
                                                              Balanced Portfolio
                                                                Equity Portfolio

<PAGE>
CONSECO SERIES TRUST
TABLE OF CONTENTS

1999 ANNUAL REPORT
================================================================================
A Message from the President...............................................    2
Statements of Assets and Liabilities as of December 31, 1999...............    3
Statements of Operations for the year ended December 31, 1999..............    3
Statements of Changes in Net Assets for the years ended December 31, 1999
   and December 31, 1998 ..................................................    4


MONEY MARKET PORTFOLIO
   Portfolio Manager's Review..............................................    6
   Schedule of Investments as of December 31, 1999.........................    7


GOVERNMENT SECURITIES PORTFOLIO
   Portfolio Manager's Review..............................................    9
   Schedule of Investments as of December 31, 1999.........................   10


FIXED INCOME PORTFOLIO
   Portfolio Manager's Review..............................................   12
   Schedule of Investments as of December 31, 1999.........................   13


BALANCED PORTFOLIO
   Portfolio Manager's Review..............................................   16
   Schedule of Investments as of December 31, 1999.........................   17


EQUITY PORTFOLIO
   Portfolio Manager's Review..............................................   20
   Schedule of Investments as of December 31, 1999.........................   21

Notes to Financial Statements..............................................   23
Financial Highlights.......................................................   26
Report of Independent Accountants..........................................   31
<PAGE>
CONSECO SERIES TRUST



A MESSAGE FROM THE PRESIDENT
================================================================================

Dear Contract Owner:
   Midway through the year, I reported to you that the  portfolios  were solidly
positioned  and poised for the new  millennium.  I am  exceptionally  pleased to
report that we picked up the  mid-year  performance  pace,  closing out the year
with a strong finishing kick.

   We swept through the Y2K scenario without issue.  Common sense and cool heads
prevailed in the marketplace and our extensive  preparations  paid off, enabling
us to deliver and settle all transactions according to plan.

   The Equity  Portfolio  sent a clear  signal  about the power of research  and
asset allocation.  Our diversified  mid-cap growth offering began a steady climb
in April as investors cashed in their large-cap  holdings to seek equally strong
- -- or stronger -- earnings from more reasonably priced mid-size companies.  Well
positioned to capitalize on this investor flight,  the Equity Portfolio produced
a 50.28%1  one-year  total  return,  outperforming  the S&P 500 Index that had a
one-year total return of 21.04%.

   As an asset class,  fixed income languished in this "best of times,  worst of
times" market  environment as investors  fretted over interest rates,  rushed to
equities and pushed down bond prices.

   The Fixed Income Portfolio fought its way through this tough environment with
carefully considered credit selections. Fundamentally strong, this portfolio has
solid long-term, potential for our investors.

   Thanks to a skillful blend of mid-cap and  high-yielding  bond holdings,  the
Balanced  Portfolio  enhanced  income and  produced a one-year  total  return of
30.83%1. This portfolio  outperformed it benchmarks -- the S&P 500 Index and the
Lehman Brothers Government/Corporate Index.

   Further on in this report,  each portfolio  manager  provides you with a much
more in-depth snapshot of his portfolio's structures and performance.

   What's ahead? Evaluation, evaluation, evaluation.

   Low, relatively flat inflation will continue. Even though 100 basis points of
tightening  is already  embedded  in the bond  market,  you should  expect  more
incremental  rate hikes by the Fed. To move  forward,  the bond  market  needs a
strong, clarifying statement from the Fed that will encourage investment in this
fundamental asset class.

   Measured  sentiment  between  equities  and  bonds  have  never  been  wider.
Consequently, plenty of asset allocation choices are on the horizon. Look behind
the  dot-coms,  techs and  telecoms;  you will see a bear  market.  Within  this
scenario reside a wide assortment of  opportunities -- only once or twice in the
market's history have there been better times to invest.

   These  trends  --  especially  Internet  expansion  --  strongly  suggest  an
increasingly  greater  role for  financial  advice  and a  wholesale  return  to
actively  managed,  bottom-up  investment.  Consequently,  I submit  to you that
research,  astute  analysis,  informed risk assessment and asset allocation will
play increasingly critical roles in the success of your investment portfolio.

   In an  environment  such as this,  our portfolios are managed to excel in the
middle of the risk curve and are designed to help you more  confidently plan for
your financial future.  Moreover,  our intense integration of rigorous research,
analysis,  trading and portfolio  management is relatively unusual in the mutual
fund industry.  The 30 analysts that carefully  monitor the Conseco Series Trust
portfolios  help us to create  portfolios  that are unmatched in the risk/reward
spectrum.

   During 2000, you will encounter a wide array of investment  opportunities and
asset  allocation  challenges.  Our versatile  portfolios are designed to play a
core role within your  portfolio -- with  well-positioned  names  exhibiting the
potential to deliver solid returns.

   As  you  strive  to  improve  your  financial  foundation  and  achieve  your
investment  objectives during 2000, we hope you will continue to keep us in your
portfolio.

   Sincerely,

  /s/ MAXWELL E. BUBLITZ
- ---------------------------------
   Maxwell E. Bublitz, CFA
   President
   Conseco Series Trust


- --------------------------------------------------------------------------------
1  Past  performance  is not predictive of future  performance.  Total return is
   provided in  accordance  with SEC  guidelines  for  comparative  purposes and
   reflects  certain  contractual  fee  waivers  and/or  expense  reimbursements
   through  April 30, 2000.  If the waivers were not in place,  the  portfolio's
   returns would have been lower.  Also,  please note that  performance does not
   include separate account expenses.


2
<PAGE>
CONSECO SERIES TRUST
STATEMENTS OF ASSETS AND LIABILITIES


DECEMBER 31, 1999
<TABLE>
<CAPTION>

===================================================================================================================================
                                                      MONEY           GOVERNMENT        FIXED
                                                      MARKET          SECURITIES        INCOME          BALANCED           EQUITY
                                                     PORTFOLIO        PORTFOLIO        PORTFOLIO        PORTFOLIO         PORTFOLIO
===================================================================================================================================
<S>                                               <C>              <C>              <C>              <C>              <C>
Assets:
   Investments in securities at value (cost or
   amortized cost $86,540,308, $13,474,834,
   $29,381,277, $44,486,113, and $236,922,275
   respectively) ..............................   $  86,540,308    $  12,945,823    $  28,346,918    $  50,869,113    $ 293,689,068
   Cash .......................................             577              162              151              153              408
   Interest and dividends receivable ..........         138,739          182,605          481,016          319,343           45,113
   Receivable for securities sold .............              --               --               --        1,129,153       10,506,154
   Receivable for shares sold .................              --               --           86,423           24,191               --
- -----------------------------------------------------------------------------------------------------------------------------------
     Total assets .............................      86,679,624       13,128,590       28,914,508       52,341,953      304,240,743
- -----------------------------------------------------------------------------------------------------------------------------------
Liabilities:
   Accrued expenses ...........................          23,763            7,037           15,536           28,139          169,103
   Payable for securities purchased ...........              --               --               --          372,706        3,569,478
   Payable for shares redeemed ................         963,408           17,330               --               --           64,672
- -----------------------------------------------------------------------------------------------------------------------------------
     Total liabilities ........................         987,171           24,367           15,536          400,845        3,803,253
- -----------------------------------------------------------------------------------------------------------------------------------
       Net assets .............................   $  85,692,453    $  13,104,223    $  28,898,972    $  51,941,108    $ 300,437,490
===================================================================================================================================
Net assets consist of:
Proceeds from the sales of shares since
   organization, less cost of shares redeemed
   and net equalization .......................   $  85,692,453    $  14,118,876    $  30,571,544    $  45,558,108    $ 241,246,693
Accumulated undistributed net investment
   income on investments ......................              --               --            8,029           13,938               --
Accumulated undistributed net realized
   gains (losses) on investments ..............              --         (485,642)        (646,242)         (13,938)       2,424,004
Net unrealized appreciation (depreciation) on
   investments ................................              --         (529,011)      (1,034,359)       6,383,000       56,766,793
- -----------------------------------------------------------------------------------------------------------------------------------
       Net assets .............................   $  85,692,453    $  13,104,223    $  28,898,972    $  51,941,108    $ 300,437,490
===================================================================================================================================
Shares outstanding (unlimited number of
   shares authorized) .........................      85,692,453        1,195,528        3,079,108        3,545,653       12,962,862
Net asset value, redemption price and
   offering price per share ...................   $        1.00    $       10.96    $        9.39    $       14.65    $       23.18
===================================================================================================================================
</TABLE>


STATEMENTS OF OPERATIONS

FOR THE YEAR ENDED DECEMBER 31, 1999
<TABLE>
<CAPTION>
===================================================================================================================================
                                                      MONEY           GOVERNMENT        FIXED
                                                      MARKET          SECURITIES        INCOME          BALANCED           EQUITY
                                                     PORTFOLIO        PORTFOLIO        PORTFOLIO        PORTFOLIO         PORTFOLIO
===================================================================================================================================

<S>                                               <C>              <C>              <C>              <C>              <C>
Investment income:
   Interest ...................................   $   2,345,626    $     653,699    $   1,865,505    $   1,343,669    $     445,507
   Dividends ..................................              --            6,400           63,030          256,439        1,118,561
- -----------------------------------------------------------------------------------------------------------------------------------
     Total investment income ..................       2,345,626          660,099        1,928,535        1,600,108        1,564,068
- -----------------------------------------------------------------------------------------------------------------------------------
Expenses:
   Investment advisory fees ...................         219,494           52,459          135,467          290,656        1,527,354
   Administration agreement ...................          26,225            5,209           12,100           19,144           88,225
   Administration fees ........................          10,201            3,505           10,336           17,608          103,832
   Custody fees ...............................           9,650            2,308            5,944            9,737           50,882
   Directors expenses .........................           6,465            1,547            3,982            6,523           34,086
   Reports - printing .........................           5,292            1,266            3,260            5,339           27,903
   Audit fees .................................           4,079              976            2,513            4,115           21,508
   Pricing service ............................              --              762            1,960            3,210           16,783
   Reporting service fees .....................           2,022              484            1,246            2,041           10,664
   Legal fees .................................           1,311              314              808            1,323            6,914
   Insurance ..................................             178               42              110              180              939
   Other ......................................           1,394              924            3,457            6,812           18,766
- -----------------------------------------------------------------------------------------------------------------------------------
     Total expenses ...........................         286,311           69,796          181,183          366,688        1,907,856
- -----------------------------------------------------------------------------------------------------------------------------------
Less:  expenses charged to the Adviser (Note 3)         109,747               --               --           44,716          117,489
- -----------------------------------------------------------------------------------------------------------------------------------
     Net expenses .............................         176,564           69,796          181,183          321,972        1,790,367
- -----------------------------------------------------------------------------------------------------------------------------------
     Net investment income (loss) .............       2,169,062          590,303        1,747,352        1,278,136         (226,299)
- -----------------------------------------------------------------------------------------------------------------------------------
Net realized and unrealized gains (losses)
on investments:
   Net realized gains (losses) on sales
      of investments ..........................          (5,026)        (253,273)        (594,992)       8,598,436       86,990,337
   Net change in unrealized appreciation
      (depreciation) on investments ...........              --         (587,100)      (1,231,899)       2,658,246       14,254,138
===================================================================================================================================
   Net realized and unrealized gains
      (losses) on investments .................          (5,026)        (840,373)      (1,826,891)      11,256,682      101,244,475
- -----------------------------------------------------------------------------------------------------------------------------------
   Net increase (decrease) in net assets
      from operations .........................   $   2,164,036    $    (250,070)   $     (79,539)   $  12,534,818    $ 101,018,176
===================================================================================================================================

                             The accompanying notes are an integral part of these financial statements.
</TABLE>

                                                                               3
<PAGE>
CONSECO SERIES TRUST
STATEMENTS OF CHANGES IN NET ASSETS


FOR THE YEARS ENDED DECEMBER 31,
<TABLE>
<CAPTION>

===========================================================================================================================
                                                                       MONEY MARKET                      GOVERNMENT
                                                                        PORTFOLIO                   SECURITIES PORTFOLIO
                                                                 1999             1998             1999              1998
===========================================================================================================================
<S>                                                        <C>              <C>              <C>              <C>
Operations:
   Net investment income (loss) .......................    $   2,169,062    $     698,639    $     590,303    $     325,840
   Net realized gains (losses) on sales
      of investments ..................................           (5,026)            (453)        (253,273)          27,265
   Net change in unrealized appreciation
      (depreciation) on investments ...................               --               --         (587,100)          19,664
- ---------------------------------------------------------------------------------------------------------------------------
      Net increase (decrease) in net assets
         from operations ..............................        2,164,036          698,186         (250,070)         372,769
- ---------------------------------------------------------------------------------------------------------------------------
Net income equalization (Note 2) ......................               --               --           (8,040)          (8,047)
- ---------------------------------------------------------------------------------------------------------------------------
Distributions:
   Dividends to shareholders from net
      investment income ...............................       (2,164,036)        (698,186)        (812,087)        (339,729)
   Distributions to shareholders of net
      capital gains ...................................               --               --               --               --
   Distributions to shareholders of return
      of capital ......................................               --               --               --               --
- ---------------------------------------------------------------------------------------------------------------------------
     Total distributions to shareholders ..............       (2,164,036)        (698,186)        (812,087)        (339,729)
- ---------------------------------------------------------------------------------------------------------------------------
Capital share transactions:
   Net proceeds from sales of shares ..................      149,770,185       37,710,202        8,602,699        5,982,203
   Net asset value of shares issued from
     reinvestment of dividends and distributions ......        2,164,036          698,186          820,127          347,776
   Cost of shares redeemed ............................      (87,460,119)     (25,792,773)      (3,154,925)      (2,718,728)
- ---------------------------------------------------------------------------------------------------------------------------
     Net increase in net assets from capital
       share transactions .............................       64,474,102       12,615,615        6,267,901        3,611,251
- ---------------------------------------------------------------------------------------------------------------------------
     Total increase in net assets .....................       64,474,102       12,615,615        5,197,704        3,636,244
- ---------------------------------------------------------------------------------------------------------------------------
Net assets, beginning of period .......................       21,218,351        8,602,736        7,906,519        4,270,275
- ---------------------------------------------------------------------------------------------------------------------------
Net assets, end of period .............................    $  85,692,453    $  21,218,351    $  13,104,223    $   7,906,519
===========================================================================================================================

Share data:
   Sold ...............................................      149,770,185       37,710,202          748,838          491,676
   Issued in reinvestment of dividends and
      distributions ...................................        2,164,036          698,186           72,150           28,679
   Redeemed ...........................................      (87,460,119)     (25,792,773)        (276,415)        (224,071)
- ---------------------------------------------------------------------------------------------------------------------------
       Net increase ...................................       64,474,102       12,615,615          544,573          296,284
===========================================================================================================================

                         The accompanying notes are an integral part of these financial statements.
</TABLE>
4
<PAGE>
CONSECO SERIES TRUST
STATEMENTS OF CHANGES IN NET ASSETS


FOR THE YEARS ENDED DECEMBER 31,
<TABLE>
<CAPTION>

===================================================================================================================================
                                                         FIXED                      BALANCED                       EQUITY
                                                    INCOME PORTFOLIO                PORTFOLIO                     PORTFOLIO
                                                  1999           1998          1999           1998           1999           1998
===================================================================================================================================
<S>                                        <C>            <C>            <C>            <C>            <C>            <C>
Operations:
   Net investment income (loss) .......... $   1,747,352  $   1,350,944  $   1,278,136  $   1,217,595  $    (226,299) $   1,209,790
   Net realized gains (losses) on sales
      of investments .....................      (594,992)       137,501      8,598,436       (468,931)    86,990,337      4,922,021
   Net change in unrealized appreciation
      (depreciation) on investments ......    (1,231,899)      (204,295)     2,658,246      2,427,677     14,254,138     25,965,179
- -----------------------------------------------------------------------------------------------------------------------------------
     Net increase (decrease) in net
       assets from operations ............       (79,539)     1,284,150     12,534,818      3,176,341    101,018,176     32,096,990
- -----------------------------------------------------------------------------------------------------------------------------------
Net income equalization (Note 2) .........       (10,808)       (14,031)        (2,235)       (52,424)            (4)           (46)
- -----------------------------------------------------------------------------------------------------------------------------------
Distributions:
   Dividends to shareholders from net
      investment income ..................    (1,747,352)    (1,350,944)    (1,278,138)    (1,217,595)      (118,185)    (2,790,228)
   Distributions to shareholders of net
      capital gains ......................            --             --     (8,129,505)            --    (84,221,849)    (4,922,022)
   Distributions to shareholders of
      return of capital ..................            --       (128,334)            --     (1,386,070)            --    (10,605,440)
- -----------------------------------------------------------------------------------------------------------------------------------
      Total distributions to shareholders     (1,747,352)    (1,479,278)    (9,407,643)    (2,603,665)   (84,340,034)   (18,317,690)
- -----------------------------------------------------------------------------------------------------------------------------------
Capital share transactions:
   Net proceeds from sales of shares .....     9,468,340      8,212,548      4,798,421     17,767,542      6,329,932     27,848,498
   Net asset value of shares issued
      from reinvestment of dividends
      and distributions ..................     1,758,160      1,493,309      9,409,878      2,656,089     84,340,039     18,317,737
   Cost of shares redeemed ...............    (4,475,290)    (6,788,092)   (11,296,020)    (2,962,396)   (41,911,535)   (41,930,174)
- -----------------------------------------------------------------------------------------------------------------------------------
     Net increase in net assets from
       capital share transactions ........     6,751,210      2,917,765      2,912,279     17,461,235     48,758,436      4,236,061
- -----------------------------------------------------------------------------------------------------------------------------------
     Total increase in net assets ........     4,913,511      2,708,606      6,037,219     17,981,487     65,436,574     18,015,315
- -----------------------------------------------------------------------------------------------------------------------------------
Net assets, beginning of period ..........    23,985,461     21,276,855     45,903,889     27,922,402    235,000,916    216,985,601
- -----------------------------------------------------------------------------------------------------------------------------------
Net assets, end of period ................ $  28,898,972  $  23,985,461  $  51,941,108  $  45,903,889  $ 300,437,490  $ 235,000,916
===================================================================================================================================

Share data:
   Sold ..................................       975,387        810,448        330,450      1,296,774        265,451      1,402,600
   Issued in reinvestment of dividends
      and distributions ..................       183,074        147,717        645,150        190,932      3,638,854        826,092
   Redeemed ..............................      (467,148)      (669,613)      (788,443)      (225,383)    (1,828,311)    (2,103,306)
- -----------------------------------------------------------------------------------------------------------------------------------
     Net increase ........................       691,313        288,552        187,157      1,262,323      2,075,994        125,386
===================================================================================================================================

                             The accompanying notes are an integral part of these financial statements.
</TABLE>

                                                                               5
<PAGE>
CONSECO SERIES TRUST
MONEY MARKET PORTFOLIO

================================================================================
PORTFOLIO MANAGER'S REVIEW

   In stark contrast to the U.S. equities market, 1999 has unfortunately  proven
to be one of the worst markets for the fixed income investor.  Through the year,
30-year  interest rates  increased from 5.09% to 6.48% by year-end,  registering
its worst total return year ever.  The S&P 500 completed  its fifth  consecutive
year of 20.00% growth or more with a year-to-date return of 21.04%.

   The Federal  Reserve's  Monetary  Policy took center stage  during 1999.  The
ongoing tug-of-war between manageable economic growth and resurgence in the rate
of  inflation  continued  to pull on the markets  through  the year.  As the Fed
gradually increased short-term interest rates,  effectively unwinding the easing
moves  designed to prop up the global markets in late 1998,  inflation  remained
largely in check.  While increases in  productivity  through new technology have
been  disinflationary,  a  chronically  tight labor market and rising  commodity
prices (particularly oil) have put upward pressure on inflation.

   Also,  impacting  the money  market  sector was Y2K. Its impact on the market
started  in  the  first  quarter  of  1999  with  record   corporate   issuance.
Corporations  continued  to access the fixed  income  markets  at a record  pace
through  the  third  quarter  as they  sought  to  refinance  debt  and term out
commercial paper.

   As we enter a new year and a new millennium,  we expect the current portfolio
structure,  which has served us well through the past year,  will remain  intact
through the first  quarter of 2000.  This  structure  emphasizes a high level of
income while maintaining liquidity to allow for funding needs and enabling us to
adjust quickly to any Fed decisions.

   The objectives of the money market portfolio have not changed.  We attempt to
balance  safety,  liquidity,  and total  return in managing a fully  diversified
portfolio of money market  securities.  These objectives are met by investing in
United States Government and agency obligations,  top-tier commercial paper, and
highly rated short corporate debt.




/s/ GREGORY J. HAHN
- ------------------------------------
Gregory J. Hahn, CFA
Senior Vice President
Conseco Capital Management, Inc.


6
<PAGE>
CONSECO SERIES TRUST
MONEY MARKET PORTFOLIO
Schedule of Investments
DECEMBER 31, 1999


================================================================================
PRINCIPAL
 AMOUNT                    SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           MUNICIPAL BONDS
           (11.2% of Net Assets) (a)
2,000,000  Abilene, Texas Health Facilities Development,
           Revenue, SAVR (c), 6.590%, due 09/22/2025 ............  $ 2,000,000
1,000,000  Boca Raton Community Hospital, 6.050%,
           due 12/01/2028 (b) ...................................    1,000,000
1,000,000  California Housing Finance Agency, Revenue,
           5.200%, due 08/01/2029 (b) ...........................    1,000,000
  400,000  Clinic Building Company, Inc., 6.520%,
           due 12/01/2018 (b) ...................................      400,000
  700,000  Community Health Systems, 6.050%,
           due 10/03/2003 (b) ...................................      700,000
  985,000  Community Health Systems, 6.050%,
           due 10/03/2003 (b) ...................................      985,000
2,500,000  Georgetown University DC, SAVR (c), 6.200%,
           due 04/01/2029 .......................................    2,500,000
  500,000  Volusia County Florida Individual Development
           Authority, Revenue, SAVR (c), 6.670%,
           due 02/01/2000 .......................................      500,000
  500,000  Yellowood Acres, Inc., SAVR (c), 6.670%,
           due 12/01/2028 .......................................      500,000
                                                                   -----------
           TOTAL MUNICIPAL BONDS ................................  $ 9,585,000
                                                                   ===========
           CERTIFICATES OF DEPOSIT
           (5.8% of Net Assets) (a)

           DEPOSITORY INSTITUTIONS (5.8%)
2,500,000  Deutsche Bank Financial, Inc., 5.970%,
           due 01/28/2000 .......................................    2,499,949
2,500,000  Svenska Handelbanken, Inc., 6.060%,
           due 01/24/2000 .......................................    2,500,099
                                                                   -----------
           TOTAL CERTIFICATES OF DEPOSIT ........................  $ 5,000,048
                                                                   ===========
           COMMERCIAL PAPER
           (72.3% of Net Assets) (a)

           AIR TRANSPORTATION (2.3%)
2,000,000  Kitty Hawk Funding Corp., 6.050%,
           due 01/28/2000 .......................................    1,990,589
                                                                   -----------
           AUTO REPAIR, SERVICES, PARKING (4.1%)
3,500,000  Hertz Corp., 5.940%, due 01/10/2000 ..................    3,494,225
                                                                   -----------
           CHEMICALS AND ALLIED PRODUCTS (8.7%)
2,000,000  American Home Products Corp., 6.020%,
           due 01/18/2000 .......................................    1,993,980
3,000,000  Monsanto Co., 6.050%, due 01/26/2000 .................    2,986,892
2,500,000  The Proctor and Gamble Co., 5.860%,
           due 01/25/2000 .......................................    2,489,826
                                                                   -----------
                                                                     7,470,698
                                                                   -----------
           COMMUNICATIONS BY PHONE, TELEVISION,
           RADIO, CABLE (3.4%)
  500,000  Bell Atlantic Network Funding Corp., 6.400%,
           due 01/11/2000 .......................................      499,022
2,400,000  Bellsouth Telecommunications, Inc., 6.050%,
           due 02/04/2000 .......................................    2,385,883
                                                                   -----------
                                                                     2,884,905
                                                                   -----------
           DEPOSITORY INSTITUTIONS (7.0%)
3,000,000  Citibank Capital Markets Assets, 6.100%,
           due 01/24/2000 .......................................  $ 2,987,800
3,000,000  Montauk Funding Corp., 6.080%,
           due 01/28/2000 .......................................    2,985,813
                                                                   -----------
                                                                     5,973,613
                                                                   -----------
           ELECTRICAL, OTHER ELECTRICAL EQUIPMENT,
           EXCEPT COMPUTERS (1.8%)
1,500,000  Motorola, Inc., 5.950%, due 01/18/2000 ...............    1,495,538
                                                                   -----------
           FOOD AND KINDRED PRODUCTS (5.2%)
3,000,000  Coca Cola Co., 5.800%, due 02/28/2000 ................    2,971,483
1,500,000  General Mills, Inc., 5.670%, due 01/10/2000 ..........    1,497,638
                                                                   -----------
                                                                     4,469,121
                                                                   -----------
           INSURANCE CARRIERS (2.9%)
2,500,000  MetLife Funding, 5.870%, due 01/26/2000 ..............    2,489,401
                                                                   -----------
           NON-DEPOSITORY CREDIT INSTITUTIONS (8.1%)
2,500,000  Enterprise Funding Corp., 5.980%,
           due 02/10/2000 .......................................    2,482,974
2,500,000  General Electric Capital Corp., 5.870%,
           due 01/18/2000 .......................................    2,492,663
2,000,000  General Motors Acceptance Corp., 5.950%,
           due 01/28/2000 .......................................    1,990,744
                                                                   -----------
                                                                     6,966,381
                                                                   -----------
           OIL AND GAS EXTRACTION (3.3%)
2,800,000  Petrofina Deleware, Inc., 6.000%, due 01/27/2000 .....    2,787,400
                                                                   -----------
           PAPER AND ALLIED PRODUCTS (3.5%)
3,000,000  Weyerhaeuser Co., 6.100%, due 02/18/2000 .............    2,975,092
                                                                   -----------
           PRINTING, PUBLISHING & ALLIED LINES (1.7%)
1,500,000  Gannett Co., 5.950%, due 01/14/2000 ..................    1,496,529
                                                                   -----------
           RUBBER AND MISCELLANEOUS PLASTIC PRODUCTS (2.3%)
2,000,000  Nike, Inc., 5.950%, due 01/10/2000 ...................    1,996,694
                                                                   -----------
           SECURITY AND COMMODITY BROKERS (9.3%)
2,500,000  Franklin Resources, Inc., 5.870%, due 02/14/2000 .....    2,481,656
2,000,000  Goldman Sachs Group, L.P., 5.980%,
           due 01/18/2000 .......................................    1,994,020
2,000,000  Merrill Lynch & Company, Inc., 5.960%,
           due 01/18/2000 .......................................    1,994,040
1,500,000  Morgan Stanley Dean Witter & Co., Inc., 6.050%,
           due 01/13/2000 .......................................    1,496,723
                                                                   -----------
                                                                     7,966,439
                                                                   -----------
           STONE, CLAY, GLASS, AND CONCRETE PRODUCTS (3.5%)
3,000,000  Minnesota Mining and Manufacturing Co., 5.950%,
           due 02/25/2000 .......................................    2,972,233
                                                                   -----------


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


                                                                               7
<PAGE>
CONSECO SERIES TRUST
MONEY MARKET PORTFOLIO
Schedule of Investments
DECEMBER 31, 1999


================================================================================
PRINCIPAL
 AMOUNT                    SECURITY                                   VALUE
- --------------------------------------------------------------------------------
            TRANSPORTATION EQUIPMENT (5.2%)
 1,500,000  Allied Signal, Inc., 5.930%, due 01/20/2000 .........  $ 1,495,058
 3,000,000  DaimlerChrysler AG, 6.090%, due 01/21/2000 ..........    2,989,344
                                                                   -----------
                                                                     4,484,402
                                                                   -----------
            TOTAL COMMERCIAL PAPER ..............................  $61,913,260
                                                                   ===========


  NUMBER
 OF SHARES
- -----------
            SHORT-TERM INVESTMENTS
            (11.7% of Net Assets) (a)
10,042,000  AIM Liquid Asset Portfolio ..........................   10,042,000
                                                                   -----------
            TOTAL SHORT-TERM INVESTMENTS ........................  $10,042,000
                                                                   ===========
            TOTAL INVESTMENTS
            (101.0% of Net Assets) ..............................  $86,540,308
                                                                   ===========
            Cash, Receivables and Other Assets,
            net of Liabilities (-1.0% of Net Assets) ............     (847,855)
                                                                   -----------
            NET ASSETS (100.0%) .................................  $85,692,453
                                                                   ===========


- ---------------------------------------------------------
(a) Using  S.I.C.  codes  prepared  by the  Technical  Committee  on  Industrial
    Classifications.
(b) Variable Coupon Rate.
(c) SAVR - Select Auction Variable Rate.



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


8
<PAGE>
CONSECO SERIES TRUST
GOVERNMENT SECURITIES PORTFOLIO

================================================================================
PORTFOLIO MANAGER'S REVIEW

   During 1999, the fixed income market experienced one of its worst years ever.
The  Federal  Reserve's  goal of  keeping  inflation  in check  with  manageable
economic growth saw a tightening  monetary policy.  The Fed gradually  increased
short-term  interest rates with three 25 basis point moves, which pushed 30-year
interest rates from 5.09% to 6.48% by year-end. The year 1999 also witnessed Y2K
fears fueling increased market volatility.

   With the rise in interest  rates,  the markets were far from  orderly  during
1999.  Our  investment  style  emphasizes  security  selection  combined  with a
disciplined  portfolio  structure  that controls risk. We do not attempt to time
changes in interest  rates;  our discipline is to remain fully  invested.  While
these markets  challenge our investment  style, they also present investors with
opportunities.

   To take advantage of these  opportunities,  it is best to view the Government
Securities Portfolio broken down into three maturity sections or buckets: short,
intermediate,  and long.  In the short  maturity  bucket,  CCM's  strategy is to
substitute  asset-backed  products,  commercial  mortgage-backed  products,  and
corporate  securities in lieu of U.S.  Treasuries.  Credits in these  investment
categories  will provide us the opportunity to  significantly  enhance our yield
relative to that of the index.

   In the  intermediate  segment  of the  portfolio,  our  strategy  is to  hold
mortgaged-backed  and agency debt.  Currently,  the portfolio is  underweight in
mortgage-backed product and slightly overweight in agency debt versus the index.
The strategy has  benefited  performance,  given the  mortgage  market's  recent
environment. We will look to increase our mortgage-backed exposure as attractive
relative value is presented.

   Our long  maturity  strategy in the  Government  Securities  Portfolio  is to
primarily hold U.S. Treasuries.  We will look to purchase off-the-run treasuries
on a relative  value basis on the  expectation  that  government  buy-backs will
cause these bonds to out-perform.

   In the year to come,  we will  continue  to  emphasize a high level of coupon
income, a duration which is within 2% of the benchmark,  and an ongoing focus on
the spread sectors:  mortgage-backed and asset-backed  products. We believe that
our  disciplined  investment  process  coupled  with our  expertise in portfolio
management,  trading,  and research will allow us to take full advantage of many
relative value opportunities in year 2000.




/s/ GREGORY J. HAHN
- ------------------------------------
Gregory J. Hahn, CFA
Senior Vice President
Conseco Capital Management, Inc.



         [The following table represents a chart in the printed piece.]


================================================================================
COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT IN THE GOVERNMENT SECURITIES
PORTFOLIO, THE LEHMAN BROTHERS GOVERNMENT AND THE LEHMAN BROTHERS MBS INDEX

                         Accumulated Value (Thousands)
- --------------------------------------------------------------------------------
GOVERNMENT SECURITIES

DATE            GOVERNMENT SECURITIES    LEHMAN BROTHERS      LEHMAN BROTHERS
                PORTFOLIO                GOVERNMENT INDEX     MBS INDEX
                ---------                ----------------     ---------

12/31/89        10,000                   10,000               10,000
12/31/90        11,304                   10,872               11,072
12/31/91        13,081                   12,538               12,813
12/31/92        13,990                   13,444               13,705
12/31/93        15,271                   14,877               14,642
12/31/94        14,843                   14,374               14,407
12/31/95        17,418                   17,011               16,827
12/31/96        17,897                   17,482               17,727
12/31/97        19,375                   19,158               19,409
12/31/98        20,746                   21,045               20,760
12/31/99        20,237                   20,576               21,146

- ----------------------------------
AVERAGE ANNUAL TOTAL RETURN
- ----------------------------------
1 YEAR    5 YEARS    10 YEARS
- ----------------------------------
- -2.48%     6.61%       7.30%
- ----------------------------------
Past performance is not predictive
of future performance.  Performance
does not include separate account
expenses.
================================================================================
                                                                               9
<PAGE>

CONSECO SERIES TRUST
GOVERNMENT SECURITIES PORTFOLIO
Schedule of Investments
DECEMBER 31, 1999


================================================================================
PRINCIPAL
 AMOUNT                    SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           CORPORATE BONDS
           (10.8% of Net Assets) (a)

           AIR TRANSPORTATION (1.2%)
 150,000   Airborne Freight Corp., 8.875%,
           due 12/15/2002 .......................................   $  156,375
                                                                    ----------
           APPAREL AND OTHER FINISHED PRODUCTS (0.7%)
 100,000   Tommy Hilfiger Corp., 6.500%, due 06/01/2003 .........       95,125
                                                                    ----------
           DEPOSITORY INSTITUTIONS (1.5%)
 200,000   Dime Bancorp, Inc., 7.000%, due 07/25/2001 ...........      198,250
                                                                    ----------
           FOOD AND KINDRED PRODUCTS (1.5%)
 100,000   Nabisco, Inc., 6.000%, due 02/15/2011 ................       98,625
 100,000   Tyson Foods, Inc., 6.080%, due 02/01/2010 ............      100,000
                                                                    ----------
                                                                       198,625
                                                                    ----------
           FOOD STORES (0.8%)
 100,000   Safeway, Inc., 5.750%, due 11/15/2000 ................       99,375
                                                                    ----------
           MEASURING INSTRUMENTS, PHOTO GOODS,
           WATCHES (0.7%)
 100,000   Bausch & Lomb, Inc., 6.150%, due 08/01/2001 ..........       98,500
                                                                    ----------
           REAL ESTATE INVESTMENT TRUSTS
           (REITS) (1.7%)
 225,000   Camden Property Trust, 6.750%, due 11/15/2001 ........      221,063
                                                                    ----------
           SECURITY AND COMMODITY BROKERS (2.7%)
 100,000   Lehman Brothers Holdings, Inc., 7.000%,
           due 05/15/2003 .......................................       98,500
 150,000   Lehman Brothers Holdings, Inc., Series D, MTN,
           9.000%, due 09/28/2001 ...............................      153,750
 100,000   Morgan Stanley Dean Witter & Co., 5.875%,
           due 04/24/2000 .......................................       99,882
                                                                    ----------
                                                                       352,132
                                                                    ----------
           TOTAL CORPORATE BONDS (COST $1,440,846) ..............   $1,419,445
                                                                    ==========

           MUNICIPAL BONDS
           (10.3% of Net Assets) (a)
 280,000   Alaska Industrial Development & Export Auth.,
           6.625%, due 05/01/2006 ...............................      262,850
 200,000   Azusa Pacific University California, Revenue,
           7.250%, due 04/01/2009 ...............................      192,250
 330,000   Cherokee County Georgia Water and Sewer
           Authority, Revenue, 6.750%, due 08/01/2009 ...........      311,850
 115,000   Halifax Florida Hospital, Revenue, Series B,
           6.375%, due 04/01/2001 ...............................      113,994
 300,000   Las Vegas, Nevada, 6.700%, due 07/01/2008 ............      285,000
 200,000   Pinellas County Florida Housing Finance
           Authority Multifamily Mtg., Revenue,
           6.750%, due 07/01/2011 ...............................      187,000
                                                                    ----------
           TOTAL MUNICIPAL BONDS (COST $1,428,344) ..............   $1,352,944
                                                                    ==========
           ASSET BACKED SECURITIES
           (11.1% of Net Assets) (a)
  47,015   Bear Stearns Commercial Mortgage
           Securities, Inc., 99-C1 A1, 5.910%, due 05/14/2008 ...   $   44,579
 200,000   EQCC Home Equity Loan Trust, 97-1 A7, 7.120%,
           due 05/15/2028 .......................................      194,015
 300,000   Fingerhut Master Trust, 98-1 A, 6.070%,
           due 02/15/2005 .......................................      295,188
 101,120   Green Tree Recreational Equipment & Consumer
           Trust, 97-C B, 6.750%, due 02/15/2018 (b)
           Cost--$101,097; Acquired--09/08/1997 .................       94,468
 100,000   Metris Master Trust, 97-1 B, 7.110%,
           due 10/20/2005 .......................................       97,903
 225,000   Residential Asset Securities Corporation,
           99-KS2 AI3, 6.600%, due 06/25/2020 ....................     222,759
 250,000   Residential Funding Mortgage Securities,
           99-HI8 AI2, 7.030%, due 07/25/2010 ....................     248,528
  27,393   Tiers Asset-Backed Securities, Series CHAMT
           Trust 97-7, 6.688%, due 11/15/2003 ....................      27,393
 236,966   The Money Store Home Equity Trust, 93-C A3,
           5.750%, due 10/15/2022 ................................     227,188
           TOTAL ASSET BACKED SECURITIES
           (COST $1,484,623) .....................................  $1,452,021
                                                                    ==========
           COLLATERALIZED MORTGAGE OBLIGATIONS
           (4.4% of Net Assets) (a)
 600,000   Federal Home Loan Mortgage Corp.,
           2149 Trust, 6.500%, due 01/15/2022 ....................     570,226
           TOTAL COLLATERALIZED MORTGAGE OBLIGATIONS
           (COST $589,148) .......................................  $  570,226
                                                                    ==========
           U. S. GOVERNMENT AND AGENCY OBLIGATIONS
           (59.4% of Net Assets) (a)
 250,000   Federal Home Loan Bank, 6.020%, due 10/29/2003 ........     238,663
 100,000   Federal Home Loan Bank, 5.275%, due 11/20/2003 ........      94,314
 500,000   Federal Home Loan Bank, 7.080%, due 07/21/2006 ........     486,748
 250,000   Federal Home Loan Bank, 5.250%, due 01/29/2004 ........     236,165
 197,631   Federal Home Loan Mortgage Corp., # C29168,
           6.500%, due 07/01/2029 ................................     186,514
  90,197   Federal Home Loan Mortgage Corp., # D66012,
           7.000%, due 11/01/2025 ................................      87,350
 148,045   Federal Home Loan Mortgage Corp.,
           Multi Family Pool, 6.775%, due 11/01/2003 .............     145,946
 917,847   Federal Home Loan Mortgage Corp., # C00880,
           6.500%, due 11/01/2029 ................................     866,218
 399,556   Federal Home Loan Mortgage Corp., # C28063,
           6.500%, due 07/01/2029 ................................     377,080
 299,562   Federal Home Loan Mortgage Corp., # C32176,
           7.000%, due 10/01/2029 ................................     290,107


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

10
<PAGE>
CONSECO SERIES TRUST
GOVERNMENT SECURITIES PORTFOLIO
Schedule of Investments
DECEMBER 31, 1999


================================================================================
PRINCIPAL
 AMOUNT                    SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           U. S. GOVERNMENT AND AGENCY OBLIGATIONS (CONTINUED)
 499,239   Federal Home Loan Mortgage Corp., # C32330,
           7.500%, due 10/01/2029 ...............................  $   494,559
 399,721   Federal Home Loan Mortgage Corp., # C32933,
           7.500%, due 11/01/2029 ...............................      395,973
  48,965   Federal Home Loan Mortgage Corp., # E00441,
           7.500%, due 07/01/2011 ...............................       49,363
  45,249   Federal National Mortgage Assn., # 174166,
           8.000%, due 06/01/2002 ...............................       45,631
  78,255   Federal National Mortgage Assn., #190922,
           7.500%, due 07/01/2001 ...............................       78,940
  78,470   Federal National Mortgage Assn., # 303780,
           7.000%, due 03/01/2026 ...............................       75,896
 250,000   Federal National Mortgage Assn., MTN, 6.430%,
           due 02/06/2008 .......................................      231,259
 200,000   Federal National Mortgage Assn., MTN, 6.110%,
           due 07/14/2003 .......................................      194,631
 500,000   Federal National Mortgage Assn., MTN, 6.200%,
           due 04/01/2009 .......................................      461,209
 200,000   Federal National Mortgage Assn., MTN, 5.330%,
           due 10/22/2003 .......................................      190,271
 150,000   Federal National Mortgage Assn., 6.000%,
           due 02/23/2009 .......................................      134,741
 650,000   Federal National Mortgage Assn., Series B,
           MTN, 6.040%, due 02/25/2009 ..........................      585,540
 301,492   Government National Mortgage Assn., # 408675,
           7.500%, due 01/15/2026 ...............................      298,288
   1,400   Government National Mortgage Assn., # 044522,
           13.000%, due 03/15/2011 ..............................        1,616
   4,456   Government National Mortgage Assn., # 119896,
           13.000%, due 11/15/2014 ..............................        5,143
 200,000   U.S. Treasury Bond, 8.000%, due 11/15/2021 ...........      227,089
 100,000   U.S. Treasury Bond, 6.375%, due 08/15/2027 ...........       96,047
 875,000   U.S. Treasury Bond, 5.250%, due 11/15/2028 ...........      721,479
 425,000   U.S. Treasury Bond, 5.250%, due 02/15/2029 ...........      352,105
 150,000   U.S. Treasury Note, 5.500%, due 02/15/2008 ...........      140,552
                                                                   -----------

           TOTAL U.S. GOVERNMENT AND AGENCY OBLIGATIONS
           (COST $8,168,873) ....................................  $ 7,789,437
                                                                   ===========


================================================================================
 NUMBER
OF SHARES                  SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           PREFERRED STOCKS
           (0.8% of Net Assets) (a)

           INSURANCE CARRIERS (0.8%)
   4,000   Lincoln National Corp., 6.400%, TOPrS (c) ............  $    98,750
                                                                   -----------
           TOTAL PREFERRED STOCKS (COST $100,000) ...............  $    98,750
                                                                   ===========
           SHORT-TERM INVESTMENTS
           (2.0% of Net Assets) (a)
 263,000   AIM Liquid Asset Portfolio ...........................      263,000
                                                                   -----------
           TOTAL SHORT-TERM INVESTMENTS
           (COST $263,000) ......................................  $   263,000
                                                                   ===========
           TOTAL INVESTMENTS
           (COST $13,474,834)
           (98.8% of Net Assets) ................................  $12,945,823
                                                                   ===========
           Cash, Receivables and Other Assets,
           net of Liabilities (1.2% of Net Assets) ..............      158,400
                                                                   -----------
           NET ASSETS (100.0%) ..................................  $13,104,223
                                                                   ===========


- ---------------------------------------------------------
(a) Using  S.I.C.  codes  prepared  by the  Technical  Committee  on  Industrial
    Classifications
(b) Security  issued by Conseco  Finance Corp.  (formerly  Green Tree  Financial
    Corp.)  (Conseco  Finance),  a wholly  owned  subsidiary  of  Conseco,  Inc.
    effective June 30, 1998. Conseco Finance  originates,  purchases,  sells and
    services consumer and commercial finance loans throughout the United States
(c) TOPrS- Trust Originated Preferred Securities.


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

                                                                              11
<PAGE>
CONSECO SERIES TRUST
FIXED INCOME PORTFOLIO

================================================================================
PORTFOLIO MANAGER'S REVIEW

   Despite  one of the  worst-ever  fixed-income  markets,  we  have  worked  to
maintain a steady focus on long-term  goals.  Our  investment  style  emphasizes
security selection combined with a disciplined portfolio structure that controls
risk. We don't attempt to time changes in interest  rates;  our discipline is to
remain fully invested.  While these markets challenge our investment style, they
also present investors with opportunities.

   During  the  fourth  quarter,  we held  our  position  in  Cable  &  Wireless
Communications  (Baa1/A-),  which we expect will be tendered for U.S. Treasuries
plus 10 basis points.  Dime Bancorp (Ba1/BBB-) was reviewed recently for upgrade
by Moody's based on its merger with Hudson United Bank.

   In addition, Union Planters Bank bonds (Baa1/BBB) remained undervalued due to
a sluggish  bank sector.  These bonds  lagged  further  behind as the  Financial
Accounting  Standards  Board  contemplated  the  accounting  treatment for bonds
issued with mandatory put and call provisions.

   Heavily affecting the fixed-income  market was the Federal Reserve's monetary
policy. The ongoing tug-of-war between manageable economic growth and resurgence
in the rate of inflation  continued to pull on the markets  through the year. As
the Fed  gradually  increased  short-term  interest  rates,  inflation  remained
largely in check. Even with  disinflationary  increases in productivity  through
new technology,  a chronically  tight labor market and rising  commodity  prices
(particularly oil) have put upward pressure on inflation.

   Another  top story was Y2K.  Its  impact on the  market  started in the first
quarter of 1999 with a record number of corporate issues. Corporations continued
to access the fixed income markets at a record pace through the third quarter as
they sought to refinance debt and term out commercial paper.

   With the general rise in interest  rates and  corporate  issues,  the markets
were far from orderly during 1999.

   Moving into the Year 2000, we expect the current portfolio  structure,  which
has served us well through the past year,  will remain intact  through the first
quarter.

   This structure emphasizes a high level of coupon income, a duration within 2%
of the  benchmark  and a continued  emphasis on the spread  sectors:  corporate,
mortgage-backed  securities/asset-backed securities and taxable municipal bonds.
Within the corporate  sector,  we remain  constructive  on the media,  cable and
energy  sectors.  However,  as the economy slows,  we expect several sectors may
underperform including airlines, chemicals and retail.


/s/ GREGORY J. HAHN
- ------------------------------------
Gregory J. Hahn, CFA
Senior Vice President
Conseco Capital Management, Inc.


         [The following table represents a chart in the printed piece.]

================================================================================
COMPARISON  OF  CHANGE  IN VALUE  OF  $10,000  INVESTMENT  IN THE  FIXED  INCOME
PORTFOLIO AND THE LEHMAN BROTHERS GOVERNMENT/CORPORATE INDEX

- -----------------------------------
   AVERAGE ANNUAL TOTAL RETURN
- -----------------------------------
                          SINCE
1 YEAR      5 YEARS    INCEPTION(1)
- -----------------------------------
- -0.44%        7.92%       5.44%
- -----------------------------------
(1) The inception date of this Port-
folio was May 1, 1993.  Past perfor-
mance is not predictive of future
performance.  Performance does not
include separate account expenses.

                         Accumulated Value (Thousands)
- --------------------------------------------------------------------------------
                    FIXED INCOME PORTFOLIO      LEHMAN BROTHERS
DATE                PORTFOLIO                   GOVERNMENT/CORPORATE|INDEX
- ----                ---------                   --------------------------
5/1/93              10,000                      10,000
12/31/93            10,599                      10,602
12/31/94            10,314                      10,230
12/31/95            12,196                      12,198
12/31/96            12,802                      12,552
12/31/97            14,072                      13,777
12/31/98            14,941                      15,082
12/31/99            14,883                      14,757

================================================================================

12
<PAGE>
CONSECO SERIES TRUST
FIXED INCOME PORTFOLIO
Schedule of Investments
DECEMBER 31, 1999


================================================================================
PRINCIPAL
 AMOUNT                    SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           CORPORATE BONDS
           (63.0% of Net Assets) (a)

           AIR TRANSPORTATION (2.6%)
 391,392   Continental Airlines, Inc., Series 98-1A-ETC,
           6.650%, due 03/15/2019 ................................  $  347,698
 156,321   Delta Airlines, Inc. 1992 ETC-C, 8.540%,
           due 01/02/2007 ........................................     158,861
 250,000   Delta Airlines, Inc., Series C, MTN, 6.650%,
           due 03/15/2004 ........................................     239,375
                                                                    ----------
                                                                       745,934
                                                                    ----------
           APPAREL AND OTHER FINISHED PRODUCTS (0.8%)
 250,000   Tommy Hilfiger Corp., 6.500%, due 06/01/2003 ..........     237,812
                                                                    ----------
           AUTO REPAIR AND PARKING (2.2%)
 100,000   Amerco -MTN, 6.710%, due 10/15/2008 ...................      87,500
 300,000   Amerco -MTN, 7.470%, due 01/15/2027 ...................     286,500
 250,000   Avis Rent A Car, Inc., 11.000%, due 05/01/2009 ........     264,375
                                                                    ----------
                                                                       638,375
                                                                    ----------
           CHEMICALS AND ALLIED PRODUCTS (0.6%)
 200,000   Smith International, Inc., 7.000%,
           due 09/15/2007 ........................................     188,000
                                                                    ----------
           COMMUNICATIONS BY PHONE,
           TELEVISION, RADIO, CABLE (7.5%)
 300,000   ALLTEL Corp., 6.800%, due 05/01/2029 ..................     261,750
 250,000   British Sky Broadcasting, 8.200%,
           due 07/15/2009 ........................................     241,250
 200,000   Cable and Wireless Communications PLC,
           6.750%, due 12/01/2008 ................................     198,500
 200,000   Charter Communications, Inc., 8.250%,
           due 04/01/2007 ........................................     185,500
 250,000   Continental Cablevision, Inc., 9.500%,
           due 08/01/2013 ........................................     276,875
 130,000   Level 3 Communications, Inc., 9.125%,
           due 05/01/2008 ........................................     122,850
 120,000   Level 3 Communications, Inc., 0.000%,
           due 12/01/2008 ........................................      72,600
 300,000   Nextel Communications, Inc., 9.750%,
           due 08/15/2004 ........................................     309,000
 200,000   Sprint Capital Corp., 6.900%, due 05/01/2019 ..........     182,500
 250,000   Telecommunications, Inc., 10.125%,
           due 04/15/2022 ........................................     310,000
                                                                    ----------
                                                                     2,160,825
                                                                    ----------
           DEPOSITORY INSTITUTIONS (7.7%)
 300,000   Dime Bancorp, Inc., 7.000%, due 07/25/2001 ............     297,375
 500,000   PNC Funding Corp., 7.500%, due 11/01/2009 .............     490,625
 750,000   St. Paul Bancorp, Inc., 7.125%, due 02/15/2004 ........     735,000
 250,000   Sovereign Bancorp, Inc., 10.250%, due 05/15/2004 ......     254,375
 500,000   Union Planters Bank, National Association, 6.500%,
           due 03/15/2018 ........................................     451,875
                                                                    ----------
                                                                     2,229,250
                                                                    ----------
           ELECTRIC, GAS, WATER, COGENERATION,
           SANITARY SERVICES (9.3%)
 600,000   AES Eastern Energy, 9.000%, due 01/02/2017, (d)
           Cost--$581,880; Acquired--05/11/1999 &
           08/27/1999 ............................................  $  565,140
 500,000   Coastal Corp., 6.700%, due 02/15/2027 .................     473,750
 300,000   Commonwealth Edison Co., 8.375%,
           due 02/15/2023 ........................................     296,625
 150,000   MCN Investment Corp., 6.350%, due 04/02/2012 ..........     146,063
 250,000   PSI Energy, Inc., 7.850%, due 10/15/2007 ..............     252,500
 200,000   USA Waste Services, Inc., 7.000%,
           due 07/15/2028 ........................................     141,250
 500,000   Utilicorp United, Inc., 7.625%, due 11/15/2009 ........     480,625
 200,000   Waste Management, Inc., 6.625%, due 07/15/2002 ........     188,000
 150,000   Yorkshire Power Finance, Ltd., Series B, 6.496%,
           due 02/25/2008 ........................................     134,438
                                                                    ----------
                                                                     2,678,391
                                                                    ----------
           ELECTRICAL EQUIPMENT, EXCEPT COMPUTERS (0.9%)
 300,000   Motorola, Inc., 6.500%, due 11/15/2028 ................     256,875
                                                                    ----------
           FOOD AND KINDRED PRODUCTS (1.7%)
 500,000   Pan American Beverage, Inc., 8.125%,
           due 04/01/2003 ........................................     478,125
                                                                    ----------
           FOOD STORES (0.9%)
 250,000   Kroger Co., 6.000%, due 07/01/2000 ....................     249,063
                                                                    ----------
           GENERAL MERCHANDISE STORES (1.2%)
 350,000   Shopko Stores, Inc., 6.500%, due 08/15/2003 ...........     334,688
                                                                    ----------
           HOTELS, OTHER LODGING PLACES (0.7%)
 200,000   Marriott International, Inc., 6.625%,
           due 11/15/2003 ........................................     192,250
                                                                    ----------
           INSURANCE CARRIERS (2.7%)
 150,000   Delphi Financial Group, Inc., 8.000%,
           due 10/01/2003 ........................................     149,438
 500,000   Mutual Life Insurance Co. of New York, STEP (c)
           0.000%/11.250%, due 8/15/2024, (d)
           Cost--$666,635; Acquired--06/23/1999 ..................     626,604
                                                                    ----------
                                                                       776,042
                                                                    ----------
           LUMBER AND WOOD PRODUCTS, EXCEPT FURNITURE (1.0%)
 300,000   West Fraser Mill, 7.250%, due 09/15/2002, (d)
           Cost--$297,753; Acquired--09/26/1995 ..................     294,375
                                                                    ----------
           MOTION PICTURES, FILMS (0.9%)
 250,000   Liberty Media Corp., 8.500%, due 07/15/2029,
           (d) Cost--$249,117; Acquired--08/11/1999
           & 12/14/1999 ..........................................     251,875
                                                                    ----------
           NON-DEPOSITORY CREDIT INSTITUTIONS (1.3%)
 250,000   DSPL Finance Co., 9.120%, due 12/30/2010, (d)
           Cost--$250,000; Acquired--08/15/1996 ..................     100,000
 300,000   Fidelity Investments, 7.570%, due 06/15/2029, (d)
           Cost--$297,468; Acquired--07/22/1999 ..................     289,500
                                                                    ----------
                                                                       389,500
                                                                    ----------


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


                                                                              13
<PAGE>
CONSECO SERIES TRUST
FIXED INCOME PORTFOLIO
Schedule of Investments
DECEMBER 31, 1999


================================================================================
PRINCIPAL
 AMOUNT                    SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           OIL AND GAS EXTRACTION (7.2%)
 250,000   LASMO (USA), Inc., 8.375%, due 06/01/2023 ............  $   256,875
 300,000   Noble Drilling Corp., 7.500%, due 03/15/2019 .........      282,000
 200,000   Occidental Petroleum Corp., 6.750%,
           due 11/15/2002 .......................................      196,500
 250,000   Pride Petroleum Services, Inc., 9.375%,
           due 05/01/2007 .......................................      250,625
 300,000   R&B Falcon Corp., 9.500%, due 12/15/2008 .............      303,750
 800,000   Yosemite Securities Trust I, 8.250%,
           due 11/15/2004 (d) Cost--$799,784
           Acquired--11/04/1999 .................................      788,942
                                                                   -----------
                                                                     2,078,692
                                                                   -----------


           PAPER AND ALLIED PRODUCTS (0.8%)
 250,000   Potlatch Corp., 6.250%, 03/15/2002 ...................      244,375
                                                                   -----------

           PETROLEUM REFINING AND RELATED INDUSTRIES (0.7%)
  50,000   Pennzoil Co., 10.125%, due 11/15/2009 ................       54,563
 150,000   Pennzoil Co., 10.250%, due 11/01/2005 ................      163,500
                                                                   -----------
                                                                       218,063
                                                                   -----------

           PIPE LINES, EXCEPT NATURAL GAS (1.9%)
 200,000   Osprey Trust/Osprey I, 8.310%, due 01/15/2003
           (d) Cost--$200,000 Acquired--09/16/1999 ..............      198,000
 350,000   Pemex Finance, Ltd., 9.690%, due 08/15/2009 ..........      360,500
                                                                   -----------
                                                                       558,500
                                                                   -----------

           PRIMARY METAL INDUSTRIES (0.9%)
 250,000   Easco Corp., Series B, 10.000%, due 03/15/2001 .......      252,500
                                                                   -----------

           REAL ESTATE (0.5%)
 250,000   Pinnacle Holdings, Inc., STEP (c) 0.000%/10.000%,
           03/15/2008 ...........................................      163,750
                                                                   -----------

           REAL ESTATE INVESTMENT TRUSTS
           (REITS) (4.3%)
 100,000   CarrAmerica Realty Corp., 6.625%,
           due 03/01/2005 .......................................       91,625
 250,000   Colonial Realty, L.P., 7.500%, due 07/15/2001 ........      247,813
 200,000   Corporate Property Investors, Inc., 9.000%,
           due 03/15/2002 (d) Cost--$219,360;
           Acquired--03/17/1998 .................................      204,250
 500,000   ERP Operating, L.P., 6.150%, due 09/15/2000 ..........      496,639
 100,000   United Dominion Realty Trust, Inc., 8.125%,
           due 11/15/2000 .......................................       99,250
 100,000   United Dominion Realty Trust, Inc., MTN, 7.600%,
           due 01/25/2002 .......................................       96,750
                                                                   -----------
                                                                     1,236,327
                                                                   -----------

           SECURITY AND COMMODITY BROKERS (3.1%)
 750,000   Lehman Brothers Holdings, Inc., 7.000%,
           05/15/2003 ...........................................      738,750
 150,000   Salomon Smith Barney Holdings, Inc.,
           Series C, MTN, 6.500%, due 08/15/2003 ................      146,438
                                                                   -----------
                                                                       885,188
                                                                   -----------

           TOBACCO PRODUCTS (1.6%)
 500,000   R.J. Reynolds Tobacco Holdings, Inc., 7.375%,
           due 05/15/2003 .......................................      471,875
                                                                   -----------
           TOTAL CORPORATE BONDS (COST $18,870,146) .............  $18,210,650
                                                                   ===========


           MUNICIPAL BONDS
           (5.3% of Net Assets) (a)
 200,000   Azusa Pacific University California, Revenue,
           7.250%, due 04/01/2009 ...............................  $   192,250
 330,000   Doylestown Pennsylvania, Hospital Authority,
           Revenue, 8.375%, due 07/01/2008 ......................      322,988
  82,000   Fort Worth Texas, Higher Education, Finance Corp.,
           Revenue, 7.500%, due 10/01/2006 ......................       81,078
 505,000   North Carolina Eastern Municipal Power Agency
           Revenue, 7.050%, due 01/01/2007 ......................      481,644
 180,000   Reeves County Texas Certificates of Participation,
           6.700%, due 03/31/2005 ...............................      174,150
 300,000   Reeves County Texas Certificates of Participation,
           7.250%, due 06/01/2011 ...............................      280,875
                                                                   -----------
           TOTAL MUNICIPAL BONDS (COST $1,599,605) ..............  $ 1,532,985
                                                                   ===========
           ASSET BACKED SECURITIES
           (10.4% of Net Assets) (a)
 188,061   Bear Stearns Commercial Mortgage Securities, Inc.,
           99-C1 A1, 5.910%, due 05/14/2008 .....................      178,315
 100,000   COMED Transitional Funding Trust, 98-1 A7,
           5.740%, due 12/25/2010 ...............................       90,166
 500,000   Contimortgage Home Equity Loan Trust, 98-2 A7,
           6.570%, due 12/15/2005 ...............................      472,645
  71,398   Copelco Capital Funding Corp., 98-A A2,
           5.780%, due 08/15/2000 ...............................       71,379
 400,000   EQCC Home Equity Loan Trust, 96-4 A6, 6.880%,
           due 07/15/2014 .......................................      397,895
 200,000   EQCC Home Equity Loan Trust, 97-1 A7, 7.120%,
           due 05/15/2028 .......................................      194,015
  48,068   First Union Commercial Mortgage, 99-C2 A1,
           6.363%, due 06/15/2008 ...............................       46,269
 200,000   First Union-Lehman Brothers Commercial
           Mortgage, 97-C2 A2, 6.600%, due 05/18/2007 ...........      193,902
 377,510   GMAC Commercial Mortgage Securities, Inc.,
           99-C1 A1, 5.830%, due 05/15/2033 .....................      352,188
 325,000   Green Tree Home Equity Loan Trust, 99-D A2,
           7.050%, due 09/15/2030, (b) Cost--$324,960;
           Acquired--08/13/1999 .................................      323,733
 200,000   Green Tree Financial Corp., 94-4 A5, 8.300%,
           due 07/15/2019, (b) Cost--$197,813;
           Acquired--09/01/1994 .................................      201,013
  37,410   Green Tree Recreational Equipment & Consumer
           Trust, 96-A A1, 5.550%, due 02/15/2018, (b)
           Cost--$37,375; Acquired 01/19/1996 ...................       37,009
 202,240   Green Tree Recreational Equipment & Consumer
           Trust, 97-C B, 6.750%, due 02/15/2018, (b)
           Cost--$202,193; Acquired 09/08/1997 ..................      188,936
 280,000   Nationslink Funding Corp., 98-2 A1, 6.001%,
           due 11/20/2007 .......................................      265,601
                                                                   -----------
           TOTAL ASSET BACKED SECURITIES
           (COST $3,144,067) ....................................  $ 3,013,066
                                                                   ===========

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


14
<PAGE>
CONSECO SERIES TRUST
FIXED INCOME PORTFOLIO
Schedule of Investments
DECEMBER 31, 1999


================================================================================
PRINCIPAL
 AMOUNT                    SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           COLLATERALIZED MORTGAGE OBLIGATIONS
           (1.2% of Net Assets) (a)
  13,161   Federal Home Loan Mortgage Corp., Structured
           Pass Through Securities, T-4 A1, 7.625%,
           due 08/25/2022 .......................................  $    13,126
  50,000   Federal Home Loan Mortgage Corp.,
           2149 Trust, 6.500%, due 01/15/2022 ...................       47,519
 154,679   Iroquois Trust, 97-1 A, 7.000%, due 12/15/2006 .......      153,832
 142,198   Rural Housing Trust, 87-1 3B, 7.330%,
           due 04/01/2026 .......................................      141,982
                                                                   -----------
           TOTAL COLLATERALIZED MORTGAGE OBLIGATIONS
          (COST $359,815) .......................................  $   356,459
                                                                   ===========
           U. S. GOVERNMENT AND AGENCY
           OBLIGATIONS
           (14.5% of Net Assets) (a)
 140,330   Federal Home Loan Mortgage Corp., # G00479,
           9.000%, due 04/01/2025 ...............................      146,162
 374,754   Federal Home Loan Mortgage Corp., # G00943,
           6.000%, due 07/01/2028 ...............................      343,485
 309,823   Federal Home Loan Mortgage Corp., # E73076,
           6.000%, due 11/01/2013 ...............................      294,525
 431,092   Federal Home Loan Mortgage Corp., # C00712,
           6.500%, due 02/01/2029 ...............................      406,843
 849,054   Federal Home Loan Mortgage Corp., # C28063,
           6.500%, due 07/01/2029 ...............................      801,294
 849,406   Federal Home Loan Mortgage Corp., # C32933,
           7.500%, due 11/01/2029 ...............................      841,443
 181,063   Federal Home Loan Mortgage Corp., # E00592,
           6.000%, due 12/01/2013 ...............................      172,123
  21,260   Federal National Mortgage Assn., # 062289,
           6.710%, due 03/01/2028 (e) ...........................       20,914
 108,640   Federal National Mortgage Assn., # 183567,
           7.500%, due 11/01/2022 ...............................      107,485
 127,914   Federal National Mortgage Assn., # 286122,
           7.000%, due 06/01/2024 ...............................      123,716
 112,161   Federal National Mortgage Assn., #349410,
           7.000%, due 08/01/2026 ...............................      108,481
  39,751   Government National Mortgage Assn., # 354859,
           9.000%, due 07/15/2024 ...............................       41,626
   1,321   Government National Mortgage Assn., # 051699,
           15.000%, due 07/15/2011 ..............................        1,553
   1,821   Government National Mortgage Assn., # 056522,
           14.000%, due 08/15/2012 ..............................        2,132
 505,000   U.S. Treasury Bond, 5.250%, due 02/15/2029 ...........      418,384
 375,000   U.S. Treasury Note, 6.000%, due 08/15/2009 ...........      363,535
                                                                   -----------
           TOTAL U.S. GOVERNMENT AND AGENCY
           OBLIGATIONS (COST $4,318,388) ........................  $ 4,193,701
                                                                   ===========

================================================================================
 NUMBER
OF SHARES                  SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           PREFERRED STOCKS
           (3.0% of Net Assets) (a)

           INSURANCE CARRIERS (1.4%)
  16,000   Lincoln National Corp., 6.400%, TOPrS (c) ............  $   395,000
                                                                   -----------

           MEASURING INSTRUMENTS, PHOTO GOODS, WATCHES (0.4%)
   1,777   River Holding Corp., 11.500%, Series B, PIK (c) ......      106,620
                                                                   -----------

           NON-DEPOSITORY CREDIT INSTITUTIONS (1.2%)
     350   Centaur Funding Corp., 9.080%, (d) Cost--$358,256;
           Acquired--01/04/1999 & 12/09/1998 ....................      357,437
                                                                   -----------
            TOTAL PREFERRED STOCKS (COST $908,256) ..............  $   859,057
                                                                   ===========
           SHORT-TERM INVESTMENTS
           (0.6% of Net Assets)(a)
 181,000   AIM Liquid Asset Portfolio ...........................      181,000
                                                                   -----------
           TOTAL SHORT-TERM INVESTMENTS
           (COST $181,000) ......................................  $   181,000
                                                                   ===========
           TOTAL INVESTMENTS
           (COST $29,381,277) (98.0% of Net Assets) .............  $28,346,918
                                                                   ===========
           Cash, Receivables and Other Assets,
           net of Liabilities (2.0% of Net Assets) ..............      552,054
                                                                   -----------
           NET ASSETS (100%) ....................................  $28,898,972
                                                                   ===========


- ---------------------------------------------------------
(a) Using  S.I.C.  codes  prepared  by the  Technical  Committee  on  Industrial
    Classifications
(b) Security  issued by Conseco  Finance Corp.  (formerly  Green Tree  Financial
    Corp.)  (Conseco  Finance),  a wholly  owned  subsidiary  of  Conseco,  Inc.
    effective June 30, 1998. Conseco Finance  originates,  purchases,  sells and
    services consumer and commercial finance loans throughout the United States
(c) PIK--Payment In Kind
    STEP--Bonds where the coupon increases or steps up at a predetermined rate
    TOPrS--Trust Originated Preferred Securities
(d) Restricted under Rule 144A of the Securities Act of 1933
(e) Floating Rate Bond


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


                                                                              15

<PAGE>
CONSECO SERIES TRUST
BALANCED PORTFOLIO

================================================================================
PORTFOLIO MANAGERS' REVIEW

   During 1999, the equity market saw a record year driven by an ever-increasing
amount of selectivity among sectors,  while the fixed income market  experienced
one of its worst years ever.  In this  environment,  growth  oriented  investors
materially outperformed value investors.  The charge forward in equities,  which
propelled   the   market   to   new   highs,    was   focused   in   technology,
telecommunications,  and the  Internet.  Despite  lofty  valuations,  these high
growth  segments  of the market  became  "safe  havens," as  investors  rode out
concerns about full employment, wage pressure and inflation.

   In the fixed income market,  U.S. Treasury yields increased by over 170 basis
points  in 1999,  as a result  of three Fed rate  hikes of 25 basis  points  and
continued  inflationary  fears.  Although  the  Treasury  market  suffered,  the
exceptional  strength  of the U.S.  economy  boosted  performance  of the spread
sectors.  Excess  returns  (measured  by  return  over  U.S.  Treasurys)  in the
corporate and  asset-backed  sectors (ABS) were the highest since 1991 and 1992,
respectively.  The high yield  market  posted the highest  excess  return of all
spread  sectors,  followed by the  corporate,  ABS and  mortgage-backed  sectors
(MBS).

   Throughout  1999,  the  Balanced  Portfolio  benefited  from our  efforts  to
identify  the  fastest  growing  segments  of the  market  and  select  the best
companies  within  each  segment.  As always,  we  continue to employ a balanced
approach to security selection, based on strong bottom-up fundamental research.

   Although  the fixed income  market did not perform well during the year,  our
bond holdings  performed  their function of reducing  volatility in the fund. In
equities,  the fund benefited from  over-weighting  in  communication  services,
consumer staples,  and technology  sectors.  Limited exposure to sectors such as
financials and basic materials also helped buoy performance.

   In the technology sector, our core holding in Echostar  Communications  Corp.
(Echostar)  continued to post large gains during the fourth quarter. The passage
of new  legislation  in  November  1999 allows  Echostar  to compete  with cable
companies  in  the  local  broadcast  market,  which  is a key  catalyst  to our
investment  theme.  Another strong  performer in technology has been  Integrated
Device  Technology,  Inc (IDTI).  After suffering through excess capacity in the
Static Random Access Memory (SRAM) market for several years, IDTI is emerging as
a well positioned player in specialty memory with a focus on communications  and
switching.  Ample  capacity and a renewed  focus on secular  growth  products is
setting the company up for higher returns on invested capital and strong returns
for  shareholders.  Fourth quarter  returns were also driven by select  software
names.  Managing new storage environments and incorporating legacy data with the
Internet emerged as key fundamental  investment  ideas. Our portfolio  benefited
from this theme via our  investment in Veritas  Software  Corp., a leader in the
storage industry.

   In  communications,  Voicestream  Wireless  Corporation  was  an  exceptional
performer.  The  company  is in the midst of  compiling  a  nationwide  wireless
network based on the GSM standard.  This creates a valuable  platform from which
the  company  can  capitalize  on  increasing  use of  mobile  devices  aimed at
accessing  the  Internet.  Another core holding in  communications,  Research In
Motion, LTD (RIMM), was up nearly 50% for the fourth quarter.  In November,  the
company  completed a significant  distribution  agreement  with Dell Computer to
market RIMM's Blackberry pager under the Dell name.

   Biotechnology  has been an  emerging  area of focus  for us  during  the last
couple of quarters.  Our interest is based on the fact that large pharmaceutical
companies  need to refill their  pipelines as patents for key drugs  continue to
expire.  Research  spending is migrating toward the development of new drugs and
exciting  developments  surround the efforts to map the human  genome.  Numerous
company visits have yielded  investments in some of the players in this area. PE
Biosystems Group, a company that provides equipment used in genomic research, is
one such investment.

   While we are pleased by our numerous successes during the fourth quarter, the
period was not without challenges.  Our core holding in Waters Corporation was a
drag on our performance. It remains in the portfolio, and we expect it to regain
its footing and to be a strong  performer  in the year ahead.  Another name that
did not perform as expected  was US  Foodservice.  Although it continues to be a
strong  fundamental  story,  it came under heavy selling  pressure in the second
half of the  year.  We  anticipate  that  its  strong  fundamentals  will not go
unnoticed in 2000.

   As we close 1999, the year will be remembered as one of narrow focus and high
valuations.  It was also one in  which  our  shareholders  were  rewarded  by an
investment process based on strong bottom-up  fundamental  research and security
selection  across asset classes.  With  valuations at record  levels,  it may be
unrealistic to expect similar returns in 2000.  Going into the new year, we will
be keeping a keen eye on interest  rates and the pick up in growth in Europe and
Asia. As always,  we will be steadfast in our approach to investing in companies
with outstanding growth opportunities.


/s/ THOMAS J. PENCE                         /s/ GREGORY J. HAHN
- --------------------------------------      ------------------------------------
Thomas J. Pence                                                  Gregory J. Hahn
Senior Vice President                                      Senior Vice President
Conseco Capital Management, Inc.                Conseco Capital Management, Inc.



         [The following table represents a chart in the printed piece.]

================================================================================
COMPARISON OF CHANGE IN VALUE OF $10,000  INVESTMENT  IN THE BALANCED  PORTFOLIO
AND THE S&P 500 INDEX AND THE LEHMAN BROTHERS GOVERNMENT/CORPORATE INDEX

- ----------------------------------
AVERAGE ANNUAL TOTAL RETURN
- ----------------------------------
1 YEAR    5 YEARS    10 YEARS
- ----------------------------------
30.83%    24.85%     16.85%
- ----------------------------------
Past performance is not predictive
of future performance.  Performance
does not include separate account
expenses.

                         Accumulated Value (Thousands)
- --------------------------------------------------------------------------------
             BALANCED      STANDARD & POOR'S 500    LEHMAN BROTHERS
DATE         PORTFOLIO     INDEX                    GOVERNMENT/CORPORATE INDEX
- ----         ---------     ---------------------    --------------------------
12/31/89     10,000        10,000                   10,000
12/31/90     11,071         9,689                   10,828
12/31/91     13,499        12,641                   12,574
12/31/92     14,994        13,605                   13,528
12/31/93     16,615        14,976                   15,020
12/31/94     16,529        15,174                   14,493
12/31/95     21,734        20,876                   17,281
12/31/96     27,884        25,669                   17,782
12/31/97     33,410        34,232                   19,518
12/31/98     36,270        44,012                   21,366
12/31/99     47,461        53,272                   20,907

================================================================================


16
<PAGE>
CONSECO SERIES TRUST
BALANCED PORTFOLIO
Schedule of Investments
DECEMBER 31, 1999


================================================================================
 NUMBER
OF SHARES                  SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           COMMON STOCKS
           (57.5% of Net Assets) (a)

           APPAREL AND ACCESSORY STORES (0.5%)
  13,970   Too, Inc. (b) ........................................  $   240,983
                                                                   -----------
           BUSINESS SERVICES (12.5%)
   3,380   BMC Software, Inc. (b) ...............................      270,190
   2,925   Citrix Systems, Inc. (b) .............................      359,775
   8,410   Concord EFS, Inc. (b) ................................      216,557
   1,610   Electronic Arts, Inc. (b) ............................      135,240
   3,940   Fiserv, Inc. (b) .....................................      150,949
   8,130   go.com (b) ...........................................      193,591
     910   i2 Technologies, Inc. (b) ............................      177,450
   8,870   Legato Systems, Inc. (b) .............................      610,362
   9,620   Microsoft Corp. (b) ..................................    1,123,135
   2,120   Retek, Inc. (b) ......................................      159,530
   1,720   Sapient Corp. (b) ....................................      242,413
   2,380   Scient Corp. (b) .....................................      205,722
   3,100   Siebel Systems, Inc. (b) .............................      260,400
  18,225   Sotheby's Holdings, Inc.--Class A ....................      546,750
   3,410   Symantec, Corp. (b) ..................................      199,911
   9,940   Technology Solutions Co. (b) .........................      325,535
   9,215   VERITAS Software Corp. (b) ...........................    1,318,896
                                                                   -----------
                                                                     6,496,406
                                                                   -----------
           CHEMICALS AND ALLIED PRODUCTS (2.3%)
   2,950   Enzon, Inc. (b) ......................................      127,956
   8,780   Gilead Sciences, Inc. (b) ............................      475,218
   1,800   Medimmune, Inc. (b) ..................................      298,575
   1,470   Protein Design Labs, Inc. (b) ........................      102,900
   5,220   Transkaryotic Therapies, Inc. (b) ....................      200,970
                                                                   -----------
                                                                     1,205,619
                                                                   -----------
           COMMUNICATIONS BY PHONE, TELEVISION,
           RADIO, CABLE (13.3%)
   4,180   Adelphia Communications Corp.--Class A (b) ...........      274,313
  24,620   American Mobile Satellite Corp. (b) ..................      518,546
   8,270   American Tower Corp.--Class A (b) ....................      252,748
      50   Broadwing, Inc. ......................................        1,844
  11,480   Charter Communications, Inc.--Class A (b) ............      251,125
   9,280   Echostar Communications Corp. (b) ....................      904,800
   5,965   Infinity Broadcasting Corp. (b) ......................      215,861
   9,075   MCI Worldcom, Inc. (b) ...............................      481,538
   9,750   McLeodUSA, Inc. (b) ..................................      574,031
  11,310   NEXTLINK Communications, Inc. (b) ....................      939,431
   2,080   Omnipoint Corp. (b) ..................................      250,900
  22,440   Research in Motion, Ltd. (b) .........................    1,036,459
   2,230   Teligent, Inc.--Class A (b) ..........................      137,703
   5,400   VoiceStream Wireless Corp. (b) .......................      768,485
   4,290   WinStar Communications, Inc. (b) .....................      321,214
                                                                   -----------
                                                                     6,928,998
                                                                   -----------
           DEPOSITORY INSTITUTIONS (0.9%)
   1,530   First Virginia Banks, Inc. ...........................       65,790
   6,050   National Commerce Bancorporation .....................      137,262
  13,760   North Fork Bancorporation, Inc. ......................      240,800
                                                                   -----------
                                                                       443,852
                                                                   -----------
           ELECTRIC, GAS, WATER,
           COGENERATION, SANITARY SERVICES (1.0%)
   4,210   American Water Works Company, Inc. ...................  $    89,463
   5,660   Illinova Corp. .......................................      196,685
   6,400   The Montana Power Co. ................................      230,797
                                                                   -----------
                                                                       516,945
                                                                   -----------
           ELECTRICAL, OTHER ELECTRICAL
           EQUIPMENT, EXCEPT COMPUTERS (6.2%)
   7,080   Advanced Micro Devices, Inc. (b) .....................      204,881
   4,670   CTS Corp. ............................................      352,001
   3,800   Conexant Systems, Inc. (b) ...........................      252,225
   8,360   Digital Microwave Corp. (b) ..........................      195,942
  32,750   Integrated Device Technology, Inc. (b) ...............      949,750
   2,060   PMC--Sierra, Inc. (b) ................................      330,243
   7,240   TeleCorp PCS, Inc. (b) ...............................      276,930
   6,160   Tellabs, Inc. (b) ....................................      395,398
   1,430   The DII Group, Inc. (b) ..............................      101,486
   3,510   Vitesse Semiconductor Corp. (b) ......................      184,057
                                                                   -----------
                                                                     3,242,913
                                                                   -----------
           ENGINEERING, ACCOUNTING, RESEARCH,
           MANAGEMENT SERVICES (0.8%)
     830   Affymetrix, Inc. (b) .................................      140,841
   1,740   Millennium Pharmaceuticals, Inc. (b) .................      212,280
   1,380   Whittman-Hart, Inc. (b) ..............................       74,003
                                                                   -----------
                                                                       427,124
                                                                   -----------
           FABRICATORS METAL, EX MACHINERY,
           COMPUTER EQUIPMENT (0.9%)
   9,280   Danaher Corp. ........................................      447,760
                                                                   -----------
           FOOD AND KINDRED PRODUCTS (1.9%)
   7,410   Adolph Coors Co. .....................................      389,025
  12,680   Ralston Purina Group .................................      353,455
   7,540   Tootsie Roll Industries, Inc. ........................      248,353
                                                                   -----------
                                                                       990,833
                                                                   -----------
           GENERAL MERCHANDISE STORES (0.6%)
   2,720   Cost Plus, Inc. (b) ..................................       96,900
   1,500   Costco Wholesale Corp. (b) ...........................      136,875
   5,510   Family Dollar Stores, Inc. ...........................       89,879
                                                                   -----------
                                                                       323,654
                                                                   -----------
           HOME FURNITURE AND
           EQUIPMENT STORES (0.6%)
   6,640   Circuit City Stores, Inc. ............................      299,212
                                                                   -----------


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

                                                                              17
<PAGE>
CONSECO SERIES TRUST
BALANCED PORTFOLIO
Schedule of Investments
DECEMBER 31, 1999


================================================================================
 NUMBER
OF SHARES                  SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           INDUSTRIAL, COMMERCIAL MACHINERY,
           COMPUTERS, (4.4%)
  13,950   Adaptec, Inc. (b) ....................................  $   695,756
   1,700   Extreme Networks, Inc. (b) ...........................      141,950
  19,240   Symbol Technologies, Inc. ............................    1,222,933
   4,990   Weatherford International, Inc. (b) ..................      199,291
                                                                   -----------
                                                                     2,259,930
                                                                   -----------
           MEASURING INSTRUMENTS, PHOTO GOODS,
           WATCHES (5.0%)
   4,490   Agilent Technologies, Inc. (b) .......................      347,131
   3,970   Credence Systems Corp. (b) ...........................      343,405
   5,880   Guidant Corp. (b) ....................................      276,360
   6,360   PE Corp.--PE Biosystems Group ........................      765,184
  15,990   Waters Corp. (b) .....................................      847,470
                                                                   -----------
                                                                     2,579,550
                                                                   -----------
           NON-DURABLE GOODS WHOLESALE (1.6%)
  50,710   U.S. Foodservice (b) .................................      849,393
                                                                   -----------
           OIL AND GAS EXTRACTION (2.8%)
   4,530   BJ Services Co. (b) ..................................      189,408
   5,630   Burlington Resources, Inc. ...........................      186,139
  14,240   Diamond Offshore Drilling, Inc. ......................      435,203
  11,890   ENSCO International, Inc. ............................      271,984
   6,030   Nabors Industries, Inc. (b) ..........................      186,556
  25,710   Ocean Energy, Inc. (b) ...............................      199,253
                                                                   -----------
                                                                     1,468,543
                                                                   -----------
           PRINTING, PUBLISHING AND ALLIED (1.4%)
  13,478   A. H. Belo Corp.--Class A ............................      256,918
   5,430   The E.W. Scripps Co.--Class A ........................      243,329
     400   The Washington Post Co.--Class B .....................      222,350
                                                                   -----------
                                                                       722,597
                                                                   -----------
           WATER TRANSPORTATION (0.8%)
   8,950   Royal Caribbean Cruises, Ltd. ........................      441,342
                                                                   -----------
           TOTAL COMMON STOCKS (COST $23,167,350) ..............   $29,885,654
                                                                   ===========

           PREFERRED STOCKS
           (2.1% of Net Assets) (a)

           INSURANCE CARRIERS (0.6%)
  12,000   Lincoln National Corp., 6.400%, TOPrS (c) ...........       296,250
                                                                   -----------
           MEASURING INSTRUMENTS, PHOTO GOODS,
           WATCHES (0.7%)
   5,926   River Holding Corp., 11.500%, Series B, PIK (c) .....       355,560
                                                                   -----------
           NON-DEPOSITORY CREDIT INSTITUTIONS (0.8%)
     400   Centaur Funding Corp., 9.080%, (d)
           Cost--$452,112; Acquired--01/14/1999 ................       408,500
                                                                   -----------
           TOTAL PREFERRED STOCKS (COST $1,252,112) ............   $ 1,060,310
                                                                   ===========
           PREFERRED STOCKS--CONVERTIBLE
           (3.6% of Net Assets) (a)

           COMMUNICATIONS BY PHONE, TELEVISION,
           RADIO, CABLE (1.8%)
  28,000   Intermedia Communications, Inc.,
           7.000% (d) Cost--$ 700,000;
           Acquired--10/24/1997 ................................       952,000
                                                                   -----------
           ELECTRIC, GAS, WATER, COGENERATION,
           SANITARY SERVICES (1.8%)
  14,000   The AES Trust II, 5.500% CUM CVT (d)
           Cost--$700,000; Acquired--10/24/1997 ................   $   962,500
                                                                   -----------
           TOTAL PREFERRED STOCKS--CONVERTIBLE
           (COST $1,400,000) ....................................  $ 1,914,500
                                                                   ===========
           WARRANTS
           (0.0% of Net Assets) (a)

           COMMUNICATIONS BY PHONE, TELEVISION,
           RADIO, CABLE (0.0%)
     250   Park `N View, Inc. ...................................        1,250
                                                                   -----------
           MISCELLANEOUS MANUFACTURING (0.0%)
     400   V2 Music Holdings ....................................            0
                                                                   -----------
           TOTAL WARRANTS (COST $42,500) ........................  $     1,250
                                                                   ===========

PRINCIPAL
 AMOUNT
- ---------

           CORPORATE BONDS
           (27.9% of Net Assets) (a)

           APPAREL AND OTHER FINISHED PRODUCTS (0.3%)
 200,000   Tommy Hilfiger Corp., 6.500%, due 06/01/2003 .........      190,250
                                                                   -----------

           AUTO REPAIR AND PARKING (0.9%)
 200,000   Amerco -MTN, 7.470%, due 01/15/2027 ..................      191,000
 250,000   Avis Rent A Car, Inc., 11.000%, due 05/01/2009 .......      264,375
                                                                   -----------
                                                                       455,375
                                                                   -----------

           COMMUNICATIONS BY PHONE, TELEVISION,
           RADIO, CABLE (2.3%)
 250,000   ALLTEL Corp., 6.800%, due 05/01/2029 .................      218,125
 400,000   British Sky Broadcasting, 8.200%, due 07/15/2009 .....      386,000
 200,000   Cable and Wireless Communications PLC, 6.375%,
           due 03/06/2003 .......................................      198,000
 200,000   Nextel Communications, Inc., 9.750%,
           due 08/15/2004 .......................................      206,000
 250,000   Park ` N View, Inc., Series B, 13.000%,
           due 05/15/2008 .......................................      188,125
                                                                   -----------
                                                                     1,196,250
                                                                   -----------
           DEPOSITORY INSTITUTIONS (5.4%)
 400,000   Centura Banks, 6.500%, due 03/15/2009 ................      361,000
 600,000   Dime Bancorp, Inc., 7.000%, due 07/25/2001 ...........      594,750
 200,000   Key Bank, National Association, BKNT, 6.500%,
           due 04/15/2008 .......................................      184,500
 600,000   PNC Funding Corp., 7.500%, due 11/01/2009 ............      588,750
 300,000   Sovereign Bancorp, Inc., 10.250%, due 05/15/2004 .....      305,250
 875,000   Union Planters Bank, National Association, 6.500%,
           due 03/15/2018 .......................................      790,781
                                                                   -----------
                                                                     2,825,031
                                                                   -----------


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


18
<PAGE>
CONSECO SERIES TRUST
BALANCED PORTFOLIO
Schedule of Investments
DECEMBER 31, 1999


================================================================================
PRINCIPAL
 AMOUNT                    SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           ELECTRIC, GAS, WATER, COGENERATION,
           SANITARY SERVICES (5.1%)
  300,000  MCN Investment Corp., 6.350%, due 04/02/2012 .........  $   292,125
  825,000  PSI Energy, Inc., 7.850%, due 10/15/2007 .............      833,250
  350,000  USA Waste Services, Inc., 7.000%, due 07/15/2028 .....      247,188
  350,000  Waste Management, Inc., 6.625%, due 07/15/2002 .......      329,000
1,050,000  Yorkshire Power Finance, Ltd., Series B, 6.496%,
           due 02/25/2008 .......................................      941,063
                                                                   -----------
                                                                     2,642,626
                                                                   -----------
           ELECTRICAL, OTHER ELECTRICAL EQUIPMENT,
           EXCEPT COMPUTERS (2.3%)
  400,000  Motorola, Inc., 6.500%, due 11/15/2028 ...............      342,500
  900,000  Texas Instruments, Inc., 7.000%, due 08/15/2004 ......      880,875
                                                                   -----------
                                                                     1,223,375
                                                                   -----------
           GENERAL MERCHANDISE STORES (0.6%)
  300,000  Shopko Stores, Inc., 6.500%, due 08/15/2003 ..........      286,875
                                                                   -----------
           INSURANCE CARRIERS (1.4%)
  100,000  Delphi Financial Group, Inc., 8.000%,
           due 10/01/2003 .......................................       99,625
  500,000  Mutual Life Insurance Co. of New York, STEP (c)
           0.000%/11.250%, due 08/15/2024, (d)
           Cost--$643,975; Acquired--10/19/1999 .................      626,604
                                                                   -----------
                                                                       726,229
                                                                   -----------
           MISCELLANEOUS MANUFACTURING (0.3%)
  400,000  V2 Music Holdings, STEP (c) 0.000%/14.000%,
           due 04/15/2008, (d) Cost--$253,655;
           Acquired--11/09/1998 .................................      135,819
                                                                   -----------
           MOTION PICTURES, FILMS (0.2%)
  100,000  Liberty Media Corp, 8.500%, due 07/15/2029,
           (d) Cost--$97,230; Acquired--08/11/1999 ..............      100,750
                                                                   -----------
           OIL AND GAS EXTRACTION (1.2%)
  600,000  R&B Falcon Corp., 9.500%, due 12/15/2008 .............      607,500
                                                                   -----------
           PETROLEUM REFINING AND RELATED INDUSTRIES (1.7%)
  100,000  Lyondell Chemical Co., Series A, 9.625%,
           due 05/01/2007 .......................................      103,000
  100,000  Lyondell Chemical Co., 10.875%, due 05/01/2009 .......      104,000
  600,000  Pennzoil Co., 10.125%, due 11/15/2009 ................      654,750
                                                                   -----------
                                                                       861,750
                                                                   -----------
           PIPE LINE, EXCEPT NATURAL GAS (0.8%)
  400,000  Osprey Trust/Osprey I, 8.310%, due 01/15/2003,
           (d) Cost--$400,000; Acquired--09/16/1999 .............      396,000
                                                                   -----------
           PRIMARY METAL INDUSTRIES (0.4%)
  200,000  Easco Corp., Series B, 10.000%,
           due 03/15/2001 .......................................      202,000
                                                                   -----------
           REAL ESTATE (0.6%)
  500,000  Pinnacle Holdings, Inc., STEP (c) 0.000%/10.000%,
           due 03/15/2008 .......................................      327,303
                                                                   -----------
           REAL ESTATE INVESTMENT TRUSTS (REITS) (2.7%)
  150,000  CarrAmerica Realty Corp., 6.625%,
           due 03/01/2005 .......................................      137,438
  500,000  Colonial Realty, L.P., 7.500%, due 07/15/2001 ........      495,625
  200,000  Corporate Property Investors, Inc., 9.000%,
           due 03/15/2002, (d) Cost--$219,360;
           Acquired--03/17/1998 .................................  $   204,250
  300,000  Regency Centers, L.P., 7.400%,
           due 04/01/2004 .......................................      287,625
  300,000  United Dominion Realty Trust, Inc., MTN,
           7.600%, due 01/25/2002 ...............................      290,250
                                                                   -----------
                                                                     1,415,188
                                                                   -----------
           SECURITY AND COMMODITY BROKERS (0.2%)
  100,000  Salomon Smith Barney Holdings, Inc., Series C,
           MTN, 6.500%, due 08/15/2003 ..........................       97,625
                                                                   -----------
           STONE, CLAY, GLASS, CONCRETE (0.4%)
  200,000  USG Corp., 9.250%, due 09/15/2001 ....................      210,500
                                                                   -----------
           TOBACCO PRODUCTS (0.7%)
  400,000  R.J. Reynolds Tobacco Holdings, Inc., 7.375%,
           due 05/15/2003 .......................................      377,500
                                                                   -----------
            TRANSPORTATION EQUIPMENT (0.4%)
  200,000  Ford Motor Co., 7.450%, due 07/16/2031 ...............      193,000
                                                                   -----------
           TOTAL CORPORATE BONDS (COST $14,994,578) .............  $14,470,946
                                                                   ===========
           MUNICIPAL BONDS
           (1.2% of Net Assets) (a)
  250,000  Capital Projects Finance Authority,
           Florida Revenue, 8.000%, due 12/01/2001 ..............      246,250
  450,000  Mississippi Development Bank, Special Obligation,
           Series 1998, 8.500%, due 12/01/2018 ..................      382,500
                                                                   -----------
           TOTAL MUNICIPAL BONDS (COST $700,000) ................  $   628,750
                                                                   ===========
           ASSET BACKED SECURITIES
           (0.8% of Net Assets) (a)
  150,000  COMED Transitional Funding Trust, 98-1 A7, 5.740%,
           due 12/25/2010 .......................................      135,249
  280,000  First Union National Bank Commercial
           Mortgage, 99-C4 A1, 7.184%, due 09/15/2008 ...........      278,395
                                                                   -----------
           TOTAL ASSET BACKED SECURITIES
           (COST $431,354) ......................................  $   413,644
                                                                   ===========
           U.S. GOVERNMENT AND AGENCY
           OBLIGATIONS
           (1.5% of Net Assets) (a)
  950,000  U.S. Treasury Bond, 5.250%, due 02/15/2029 ...........      787,059
                                                                   -----------
           TOTAL U.S. GOVERNMENT AND AGENCY OBLIGATIONS
           (COST $791,219) ......................................  $   787,059
                                                                   ===========
           SHORT-TERM INVESTMENTS
           (3.3% of Net Assets) (a)
1,707,000  AIM Liquid Asset Portfolio ...........................    1,707,000
                                                                   -----------
           TOTAL SHORT-TERM INVESTMENTS
           (COST $1,707,000) ....................................  $ 1,707,000
                                                                   ===========
           TOTAL INVESTMENTS
           (COST $44,486,113) (97.9% of Net Assets) .............  $50,869,113
                                                                   ===========
           Cash, Receivables and Other Assets, net of
           Liabilities (2.1% of Net Assets) .....................    1,071,995
                                                                   -----------
           NET ASSETS (100.0%) ..................................  $51,941,108
                                                                   ===========



- ---------------------------------------------------------
(a) Using  S.I.C.  codes  prepared  by the  Technical  Committee  on  Industrial
    Classifications.
(b) Non-dividend paying common stock.
(c) PIK--Payment In Kind.
    STEP--Bonds where the coupon increases or steps up at a predetermined rate.
    TOPrS--Trust Originated Preferred Securities.
(d) Restricted under Rule 144A of the Securities Act of 1933.


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

                                                                              19

<PAGE>
CONSECO SERIES TRUST
EQUITY PORTFOLIO


================================================================================
PORTFOLIO MANAGER'S REVIEW

   We are  pleased  to  report  that  1999  was a  record  year  for the  Equity
Portfolio's performance.  During the year, the fund returned 50.28%1 compared to
the Standard and Poor's 500 Index which returned 21.04%.

   During  the  year,  growth  investors  enjoyed  significant   out-performance
relative to value investors as the market  rewarded  companies with the prospect
of rapid,  highly visible  revenue  growth.  Many of the  beneficiaries  of this
market focus were found in the areas of technology,  telecommunications  and the
Internet,  which drove the NASDAQ  market to record  highs in the second half of
the year.  With concerns  about the  possibility of full  employment  leading to
future wage pressure and inflation,  the exciting  growth  prospects for many of
these  companies  were  viewed as the best  place to ride out a period of higher
rates and increasing costs.

   During the period,  the fund benefited from our continuing  efforts to invest
in what we believe to be the fastest  growing  areas of our economy.  As always,
our bottom-up  research-intensive approach sought to identify companies in those
areas where we believe  high  returns on capital  could  either be  sustained or
increased. By the end of the fourth quarter of 1999, this approach resulted in a
significant  overweighting  of  your  portfolio  in  the  areas  of  technology,
telecommunications, biotechnology, and consumer staples.

   In the technology  sector, our core holding in Echostar  Communications  once
again provided strong performance. As we expected, the company began to reap the
benefits  of rolling  out its local  television  service in several  key markets
after the November  passage of legislation  allowing the DISH network to compete
head-to-head with local cable providers.  Another strong tech holding for us was
Integrated  Device  Technology,  a company in the Static  Random  Access  Memory
(SRAM)  market  for   semiconductors   that  translated  excess  capacity  in  a
capacity-constrained   market  for  specialty   memory   devices  into  dramatic
improvements in return on invested capital.  Strong  performance was also posted
by our  position in Veritas  Software,  which the market began to view as one of
the  key  beneficiaries  of the  trend  to  move  storage  solutions  out of the
enterprise and onto the Internet.

   In  telecommunications,  a strong  performer for us during the fourth quarter
was  Voicestream  Wireless  Corporation,  a  provider  of digital  PCS  wireless
communication  services.  Voicestream is in the midst of a merger with Omnipoint
Corp. and Aerial Communications Corp., two other key digital wireless players in
the U.S.  operating under the GSM standard.  With this combination,  expected to
close early in 2000, Voicestream will be in possession of an extremely valuable,
nationwide  digital  platform,  and  uniquely  positioned  to  benefit  from the
expanded use of mobile  devices to access the  Internet.  Also  producing  solid
returns for us in the telecommunication area was our core holding in Research in
Motion (RIMM), up nearly 50% during the fourth quarter alone. In November,  RIMM
got a large boost in credibility after Michael Dell signed an agreement with the
company to market  RIMM's  Blackberry  pager under the Dell name.  In  addition,
McLeodUSA,  Inc. and Nextlink  Communications  Inc.  continued to produce  solid
fundamentals and stock performance.

   Finally,  we spoke earlier this year about  biotechnology being a new area of
focus  for  us.  Our   interest   was  based  upon  the  fact  that  many  large
pharmaceutical  companies were facing the end of the patent  protection  periods
for key drugs.  Additionally,  we have been very excited about the prospects for
new drug  therapies that will likely be identified as a result of the completion
of an  international  concerted  effort  to map the  human  genome  - an  effort
expected  to be  completed  later this  year.  After  spending  some time in San
Francisco  visiting  PE  Biosystems  Group,  we became  very  excited  about the
potential  role  this  company  will  play in the  mapping  of the  genome,  the
identification  of new  disease  targets and the  development  of drugs to treat
these targets. We see PE Biosystems Group as uniquely positioned to benefit from
an explosion in  pharmaceutical  research and development  over the next five to
ten years. As investors began to recognize this potential, the stock appreciated
over 100% in the second  half of the year.  We have  purchased  other  stocks to
participate  in this trend toward  using  genomics as a platform for future drug
development including Millenium Pharmaceuticals, Inc.

   While we are quite  pleased with our recent  performance,  the period was not
without  challenges.  Two of our larger  holdings,  Waters  Corporation and U.S.
Foodservice,  came under significant  selling pressure.  Both of these sell-offs
were  related  to  perceptions  in  the  market  that  we  do  not  believe  are
substantiated  by any  deterioration  in  fundamentals.  Nevertheless,  we  have
significantly  increased our research efforts in both of these names as we begin
the new year.

   In  summary,  1999  will  long be  remembered  by us as a year in  which  our
stockholders were richly rewarded by our process of identifying some of the most
exciting  mid-cap  growth stocks in the market.  While it may be  unrealistic to
expect similar  returns in 2000, we will continue to rely upon our research team
to provide the guideposts. Clearly, higher interest rates in the face of already
high  valuations  will  present a  challenging  environment.  However,  we think
investors will continue to gravitate  towards the companies and industries  with
the  strongest  earnings  until we see a slowdown in the overall  economy.  With
capital spending picking up in Europe and Asia, the growth outlook appears solid
for the near-term.





/s/ THOMAS J. PENCE
- --------------------------------------
Thomas J. Pence, CFA
Senior Vice President
Conseco Capital Management, Inc.


- ---------------------------------------------------
1  Past performance is no guarantee of future results. Additionally, performance
   does not  include  separate  account  expenses.  Your  investment  return and
   principal will fluctuate and your shares may be worth more or less that their
   original cost.


[The following table represents a chart in the printed piece.]
================================================================================
COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT IN THE EQUITY PORTFOLIO AND
THE S&P 500 INDEX

- ----------------------------------
AVERAGE ANNUAL TOTAL RETURN
- ----------------------------------
1 YEAR    5 YEARS    10 YEARS
- ----------------------------------
50.28%    35.08%     21.18%
- ----------------------------------
Past performance is not predictive
of future performance.  Performance
does not include separate account
expenses.

                         Accumulated Value (Thousands)
- --------------------------------------------------------------------------------
DATE                EQUITY PORTFOLIO     S&P'S 500 INDEX
- ----                ----------------     ---------------
12/31/89            10,000               10,000
12/31/90            10,141                9,689
12/31/91            12,755               12,641
12/31/92            15,128               13,605
12/31/93            16,424               14,976
12/31/94            16,752               15,174
12/31/95            22,834               20,876
12/31/96            33,108               25,669
12/31/97            39,930               34,232
12/31/98            45,432               44,012
12/31/99            68,287               53,272
================================================================================

20
<PAGE>
CONSECO SERIES TRUST
EQUITY PORTFOLIO
Schedule of Investments
DECEMBER 31, 1999


================================================================================
 NUMBER
OF SHARES                  SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           COMMON STOCKS
           (91.8% of Net Assets) (a)

           APPAREL AND ACCESSORY STORES (0.8%)
 134,090   Too, Inc. (b) ........................................  $ 2,313,052
                                                                   -----------
            BUSINESS SERVICES (17.0%)
  30,590   BMC Software, Inc. (b) ...............................    2,445,303
   8,290   Broadvision, Inc. (b) ................................    1,409,814
  23,795   Citrix Systems, Inc. (b) .............................    2,926,785
  65,590   Concord EFS, Inc. (b) ................................    1,688,942
  14,790   Electronic Arts, Inc. (b) ............................    1,242,360
  36,920   Fiserv, Inc. (b) .....................................    1,414,479
  78,570   go.com (b) ...........................................    1,870,908
   8,660   i2 Technologies, Inc. (b) ............................    1,688,700
  85,820   Legato Systems, Inc. (b) .............................    5,905,446
  20,340   Retek, Inc. (b) ......................................    1,530,585
  16,080   Sapient Corp. (b) ....................................    2,266,283
  22,040   Scient Corp. (b) .....................................    1,905,093
  28,540   Siebel Systems, Inc. (b) .............................    2,397,360
 168,470   Sotheby's Holdings, Inc.--Class A ....................    5,054,100
  30,180   Symantec Corp. (b) ...................................    1,769,302
  92,220   Technology Solutions Co. (b) .........................    3,020,205
  86,760   VERITAS Software Corp. (b) ...........................   12,417,525
                                                                   -----------
                                                                    50,953,190
                                                                   -----------
           CHEMICALS AND ALLIED PRODUCTS (3.9%)
  28,660   Enzon, Inc. (b) ......................................    1,243,128
  84,240   Gilead Sciences, Inc. (b) ............................    4,559,490
  17,310   Medimmune, Inc. (b) ..................................    2,871,296
  14,200   Protein Design Labs, Inc. (b) ........................      994,000
  49,890   Transkaryotic Therapies, Inc. (b) ....................    1,920,765
                                                                   -----------
                                                                    11,588,679
                                                                   -----------
           COMMUNICATIONS BY PHONE, TELEVISION,
           RADIO, CABLE (20.2%)
  40,350   Adelphia Communications Corp.--Class A (b) ...........    2,647,969
 232,410   American Mobile Satellite Corp. (b) ..................    4,895,019
  79,030   American Tower Corp.--Class A (b) ....................    2,415,315
     480   Broadwing, Inc. ......................................       17,700
 109,490   Charter Communications, Inc.--Class A (b) ............    2,395,094
  87,050   Echostar Communications Corp. (b) ....................    8,487,375
  57,823   Infinity Broadcasting Corp. (b) ......................    2,092,499
  90,780   McLeodUSA, Inc.--Class A (b) .........................    5,344,673
 109,920   NEXTLINK Communications, Inc. (b) ....................    9,130,175
  20,090   Omnipoint Corp. (b) ..................................    2,423,356
 206,745   Research in Motion, Ltd. (b) .........................    9,549,138
  19,250   Teligent, Inc.--Class A (b) ..........................    1,188,688
  50,880   VoiceStream Wireless Corp. (b) .......................    7,240,835
  39,370   WinStar Communications, Inc. (b) .....................    2,947,829
                                                                   -----------
                                                                    60,775,665
                                                                   -----------
           DEPOSITORY INSTITUTIONS (1.7%)
  31,670   Compass Bancshares, Inc. .............................      706,621
  14,140   First Virginia Banks, Inc. ...........................      608,020
  59,420   National Commerce Bancorporation .....................    1,348,121
 135,140   North Fork Bancorporation, Inc. ......................    2,364,950
                                                                   -----------
                                                                     5,027,712
                                                                   -----------
           EDUCATIONAL SERVICES (0.4%)
  60,440   DeVry, Inc. (b) ......................................  $ 1,125,695
                                                                   -----------
           ELECTRIC, GAS, WATER, COGENERATION,
           SANITARY SERVICES (1.6%)
  38,820   American Water Works Company, Inc. ...................      824,925
  54,010   Illinova Corp. .......................................    1,876,847
  62,120   The Montana Power Co. ................................    2,240,171
                                                                   -----------
                                                                     4,941,943
                                                                   -----------
           ELECTRICAL, OTHER ELECTRICAL EQUIPMENT,
           EXCEPT COMPUTERS (10.3%)
  64,890   Advanced Micro Devices, Inc. (b) .....................    1,877,787
  45,190   CTS Corp. ............................................    3,406,196
  32,660   Conexant Systems, Inc. (b) ...........................    2,167,808
 117,880   Digital Microwave Corp. (b) ..........................    2,762,871
 308,360   Integrated Device Technology, Inc. (b) ...............    8,942,440
  18,860   PMC--Sierra, Inc. (b) ................................    3,023,484
  66,150   TeleCorp PCS, Inc. (b) ...............................    2,530,238
  56,720   Tellabs, Inc. (b) ....................................    3,640,743
  12,460   The DII Group, Inc. (b) ..............................      884,274
  32,320   Vitesse Semiconductor Corp. (b) ......................    1,694,796
                                                                   -----------
                                                                    30,930,637
                                                                   -----------
           ENGINEERING, ACCOUNTING, RESEARCH,
           MANAGEMENT SERVICES (1.3%)
   8,050   Affymetrix, Inc. (b) .................................    1,365,988
  16,240   Millennium Pharmaceuticals, Inc. (b) .................    1,981,280
  12,700   Whittman-Hart, Inc. (b) ..............................      681,038
                                                                   -----------
                                                                     4,028,306
                                                                   -----------
           FABRICATORS METAL, EXCEPT MACHINERY AND
           TRANSPORTATION EQUIPMENT (1.4%)
  89,090   Danaher Corp. ........................................    4,298,593
                                                                   -----------
           FOOD AND KINDRED PRODUCTS (3.5%)
  72,290   Adolph Coors Co. .....................................    3,795,225
 119,490   Ralston Purina Group .................................    3,330,784
  68,270   Tootsie Roll Industries, Inc. ........................    2,248,677
  69,110   Tyson Foods, Inc.--Class A ...........................    1,123,038
                                                                   -----------
                                                                    10,497,724
                                                                   -----------
           GENERAL MERCHANDISE STORES (1.0%)
  26,530   Cost Plus, Inc. (b) ..................................      945,131
  14,460   Costco Wholesale Corp. (b) ...........................    1,319,475
  49,700   Family Dollar Stores, Inc. ...........................      810,706
                                                                   -----------
                                                                     3,075,312
                                                                   -----------
           HOME FURNITURE AND
           EQUIPMENT STORES (0.9%)
  59,940   Circuit City Stores, Inc. ............................    2,701,016
                                                                   -----------


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

                                                                              21
<PAGE>
CONSECO SERIES TRUST
EQUITY PORTFOLIO
Schedule of Investments
DECEMBER 31, 1999


================================================================================
 NUMBER
OF SHARES                  SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           INDUSTRIAL, COMMERCIAL MACHINERY,
           COMPUTERS (7.0%)
   129,010 Adaptec, Inc. (b) ..................................  $   6,434,374
    16,720 Extreme Networks, Inc. (b) .........................      1,396,120
   177,270 Symbol Technologies, Inc. ..........................     11,267,636
    45,950 Weatherford International, Inc. (b) ................      1,835,151
                                                                  ------------
                                                                    20,933,281
                                                                  ------------
           INSURANCE CARRIERS (1.7%)
    33,160 Allmerica Financial Corp. ..........................      1,844,525
     1,832 Berkshire Hathaway, Inc.--Class B (b) ..............      3,352,560
                                                                  ------------
                                                                     5,197,085
                                                                  ------------
           MEASURING INSTRUMENTS, PHOTO GOODS,
           WATCHES (8.2%)
    43,230 Agilent Technologies, Inc. (b) .....................      3,342,198
    36,040 Credence Systems Corp. (b) .........................      3,117,460
    57,000 Guidant Corp. (b) ..................................      2,679,000
    61,630 PE Corp.--PE Biosystems Group ......................      7,414,829
   153,520 Waters Corp. (b) ...................................      8,136,560
                                                                  ------------
                                                                    24,690,047
                                                                  ------------
           NON-DURABLE GOODS WHOLESALE (2.8%)
   496,370 U.S. Foodservice (b) ...............................      8,314,198
                                                                  ------------
           OIL AND GAS EXTRACTION (4.5%)
    44,090 BJ Services Co. (b) ................................      1,843,491
    54,890 Burlington Resources, Inc. .........................      1,814,773
   117,990 Diamond Offshore Drilling, Inc. ....................      3,606,010
   114,820 ENSCO International, Inc. ..........................      2,626,508
    57,730 Nabors Industries, Inc. (b) ........................      1,786,051
   229,920 Ocean Energy, Inc. (b) .............................      1,781,880
                                                                  ------------
                                                                    13,458,713
                                                                  ------------
           PRINTING, PUBLISHING AND ALLIED (2.3%)
   130,330 A. H. Belo Corp.--Class A ..........................      2,484,350
    52,020 The E.W. Scripps Co.--Class A ......................      2,331,120
     3,620 The Washington Post Co.--Class B ...................      2,012,268
                                                                  ------------
                                                                     6,827,738
                                                                  ------------
           WATER TRANSPORTATION (1.3%)
    81,960 Royal Caribbean Cruises, Ltd. ......................      4,041,612
                                                                  ------------
           TOTAL COMMON STOCKS (COST $216,529,402) ............   $275,720,198
                                                                  ============
 CONTRACTS
(100 SHARES
PER CONTRACT)
- --------------------------------------------------------------------------------
           PUT OPTIONS PURCHASED
           (0.1% of Net Assets) (a)
       151 NASDAQ -100, Expires 1/21/2000,
           Exercise Price $2,980 ..............................        173,650
                                                                  ------------
           TOTAL PUT OPTIONS PURCHASED
           (COST $2,597,653) (C) ..............................   $    173,650
                                                                  ============

================================================================================
PRINCIPAL
 AMOUNT                    SECURITY                                   VALUE
- --------------------------------------------------------------------------------
           COMMERCIAL PAPER
           (2.3% of Net Assets) (a)

           NON-DEPOSITORY CREDIT INSTITUTIONS (2.3%)
 7,000,000 Ford Motor Credit Co., 6.480%, due 01/04/2000 ......   $  6,996,220
                                                                  ------------
           TOTAL COMMERCIAL PAPER (COST $6,996,220) ...........   $  6,996,220
                                                                  ============
  NUMBER
 OF SHARES
- ----------

           SHORT-TERM INVESTMENTS
           (3.6% of Net Assets)(a)
10,799,000 AIM Liquid Asset Portfolio .........................   $ 10,799,000
                                                                  ------------
           TOTAL SHORT-TERM INVESTMENTS
           (COST $10,799,000) .................................   $ 10,799,000
                                                                  ============
           TOTAL INVESTMENTS
           (COST $236,922,275) (97.8% of Net Assets) ..........   $293,689,068
                                                                  ============
           Cash, Receivables and Other Assets,
           net of Liabilities (2.2% of Net Assets) ............      6,748,422
                                                                  ------------
           NET ASSETS (100.0%) ................................   $300,437,490
                                                                  ============


- ---------------------------------------------------------
(a) Using  S.I.C.  codes  prepared  by  the  Technical   Committee  on  Industry
    Classifications
(b) Non-dividend paying common stock
(c) Represents cost for financial reporting purposes and differs from cost basis
    for federal  income tax purposes by the mark to market  adjustment  for 1256
    contracts of $2,424,003


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

22
<PAGE>
CONSECO SERIES TRUST
NOTES TO FINANCIAL STATEMENTS


DECEMBER 31, 1999

================================================================================
(1)  GENERAL

   Conseco  Series Trust (the  "Trust") is a  diversified,  open-end  management
investment  company  registered  under the  Investment  Company Act of 1940,  as
amended  (the  "Act"),  and was  organized as a  Massachusetts  Trust  effective
November  15,  1982.  The Trust is a "series"  type of mutual fund which  issues
separate  series  of  shares,  each of which  currently  represents  a  separate
diversified  portfolio  of  investments.  The  Trust  consists  of  five  series
("Portfolios") each with its own investment  objective and investment  policies.
The  Portfolios  are the Money  Market,  Government  Securities,  Fixed  Income,
Balanced, and Equity. The Trust offers shares to life insurance company separate
accounts  (registered  as unit  investment  trusts  under  the  Act) to fund the
benefits under variable annuity and variable life contracts.

   Two affiliated companies,  Conseco Variable Insurance Company (formerly Great
American Reserve Insurance Company prior to its name change in October 1998) and
Bankers  National  Life  Insurance  Company,  offer shares of the Trust to their
contract  owners.  Additionally,  shares are offered to  unaffiliated  insurance
companies  to fund  the  benefits  under  variable  annuity  and  variable  life
contracts.


(2)  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
SECURITY VALUATION, TRANSACTIONS, AND RELATED INVESTMENT INCOME

   The  investments in each portfolio are valued at the close of regular trading
on the New York Stock Exchange on each business day. Investment transactions are
accounted  for on trade  date (the  date the order to buy or sell is  executed).
Dividend  income is  recorded on the  ex-dividend  date and  interest  income is
accrued  daily.  The cost of  investments  sold is  determined  on the  specific
identification  basis.  The following  summarizes the  investments,  which carry
certain restrictions as to resale from the Trust to certain qualified buyers:


Portfolio                     Cost        Market Value    % of Investments
- ----------------------    -----------     ------------    ----------------
Fixed Income Portfolio    $ 3,920,253      $3,676,123          12.97%
Balanced Portfolio          3,466,332       3,786,423           7.44%

   These securities are eligible for resale to qualified institutional buyers in
transactions  exempt from registration  under Rule 144A of the Securities Act of
1933.

   The Board of  Trustees  (the  "Trustees")  determined  that the Money  Market
Portfolio will value  investments at amortized cost, which is conditioned on the
Trust's  compliance with certain  conditions  contained in Rule 2a-7 of the Act.
The  investment  adviser  of the  Trust  continuously  reviews  this  method  of
valuation and recommends changes to the Trustees,  if necessary,  to ensure that
the Money Market  Portfolio  investments are valued at fair value (as determined
by the Trustees in good faith).

   In all  Portfolios  of the  Trust,  except  for the Money  Market  Portfolio,
securities  that are traded on stock  exchanges  are  valued at  closing  market
prices on the day the securities are being valued,  or lacking any sales, at the
mean  between  the  closing  bid and  asked  prices.  Securities  traded  in the
over-the-counter  market are valued by third party pricing  services.  Portfolio
securities which are traded both in the  over-the-counter  market and on a stock
exchange are valued  according to the broadest and most  representative  market,
and it is  expected  that  for  debt  securities  this  ordinarily  will  be the
over-the-counter  market.  Securities and assets for which market quotations are
not readily available are valued at fair value as determined in good faith by or
under  the  direction  of  the  Trustees  of the  Trust.  Debt  securities  with
maturities of sixty (60) days or less are valued at amortized cost.

FEDERAL INCOME TAXES

   Each Portfolio is treated as a separate taxable entity for federal income tax
purposes and qualifies as a regulated  investment  company under subchapter M of
the Internal  Revenue Code.  The Trust intends to distribute  substantially  all
taxable income and net capital gains to shareholders,  and otherwise comply with
the requirements for regulated investment companies. Therefore, no provision has
been made for federal income taxes.

DIVIDENDS TO SHAREHOLDERS

   Dividends are declared and reinvested  from net investment  income on a daily
basis in the Money Market Portfolio,  on a monthly basis in the Fixed Income and
Government  Securities  Portfolios and on a quarterly  basis in the Balanced and
Equity Portfolios. Distributions of net short-term capital gains and losses were
declared and  reinvested as a component of net  investment  income prior to June
30, 1998,  thereafter  on an annual  basis as a component of net realized  gains
(losses).

   Dividends  to  shareholders  from net  investment  income are  determined  in
accordance with income tax regulations which may differ from generally  accepted
accounting principles.  Permanent book and tax differences relating to dividends
to  shareholders  may result in  reclassifications  to paid-in  capital  and may
effect  per-share  allocation  between net  investment  income and  realized and
unrealized gains (losses).  Any taxable income or gain of the Trust remaining at
fiscal year end will be declared and  distributed  in the following  year to the
shareholders   of  the   Portfolio  or   Portfolios  to  which  such  gains  are
attributable.  Permanent items identified in the period ended December 31, 1999,
have been reclassified among the components of net assets as follows:

Portfolio                Net Investment Gain (Loss)   Net Realized Gain (Loss)
- ----------------------   -------------------------    -----------------------
Fixed Income Portfolio           $  8,029                  $  (8,029)
Balanced Portfolio                 13,938                    (13,938)
Equity Portfolio                  344,484                   (344,484)

INCOME EQUALIZATION

   Prior to June 30, 1999 all  Portfolios,  except the Money  Market  Portfolio,
followed the accounting practice known as income equalization by which a portion
of the  proceeds  from  sales  and  costs  of  redemptions  of  shares  which is
equivalent,  on a per share  basis,  to the amount of  distributable  investment
income on the date the  transaction is credited or charged to net  undistributed
income.  Effective June 30, 1999, the Trust has elected to discontinue  accruing
income equalization.

USE OF ESTIMATES

   The preparation of financial statements in conformity with generally accepted
accounting principles requires management to make estimates and assumptions that
affect  the  reported  amount of  assets  and  liabilities,  and  disclosure  of
contingent assets and liabilities as of the date of financial statements and the
reported amounts of


                                                                              23
<PAGE>
CONSECO SERIES TRUST
NOTES TO FINANCIAL STATEMENTS


DECEMBER 31, 1999

================================================================================
increases  and  decreases  in net assets from  operations  during the  reporting
period. Actual results may differ from these estimates.


(3) TRANSACTIONS WITH AFFILIATES

INVESTMENT ADVISORY AGREEMENT

   Conseco Capital  Management,  Inc. (the "Adviser") provides investment advice
and, in general,  supervises  the Trust's  management  and  investment  program,
furnishes  office  space,  prepares  portfolio  reports for the Trust,  monitors
portfolio  compliance  by  the  Trust  in its  investment  activities  and  pays
compensation of officers and Trustees of the Trust who are affiliated persons of
the Adviser.  The Trust pays all other expenses incurred in the operation of the
Trust, including fees and expenses of unaffiliated Trustees of the Trust.

   The Adviser is a  wholly-owned  subsidiary of Conseco,  Inc.  ("Conseco"),  a
publicly-held  specialized  financial services holding company listed on the New
York Stock  Exchange.  Under the  investment  advisory  agreement,  the  Adviser
receives  an  investment  advisory  fee based on the daily net asset value at an
annual rate of 0.65  percent for the Balanced  and Equity  Portfolios,  and 0.50
percent  for  the  Fixed  Income,   Government  Securities,   and  Money  Market
Portfolios.  The  Adviser has reduced its  advisory  fee to 0.55  percent,  0.60
percent,  and 0.25  percent of the  average  daily net  assets of the  Balanced,
Equity, and Money Market Portfolios,  respectively.  The total fees incurred for
such services were $2,225,430 for the year ended December 31, 1999.

   The Adviser has  contractually  agreed to waive its  investment  advisory fee
and/or  reimburse the  Portfolios  through April 30, 2000 to the extent that the
ratio of expenses to net assets on an annual basis exceed the following:

Portfolio
- ----------------------
Money Market                0.45%
Government Securities       0.70%
Fixed Income                0.70%
Balanced                    0.75%
Equity                      0.80%

ADMINISTRATIVE AGREEMENT

   Pursuant to an agreement  effective  August 1, 1999,  Conseco  Services,  LLC
became the Administrator for the Trust (the "Administrator").  Conseco Services,
LLC, a wholly owned subsidiary of Conseco, supervises the preparation and filing
of  regulatory   documents  required  for  compliance  by  the  portfolios  with
applicable  laws  and  regulations,   provides  portfolio  accounting  services,
supervises  the  maintenance of books and records of the portfolios and provides
other general and  administrative  services.  For providing these services,  the
Administrator  receives  an annual  fee equal to 0.10  percent of the first $100
million of average  daily net assets;  0.08  percent of the next $100 million of
average daily net assets; and 0.06 percent of average daily net assets in excess
of $200 million.  The total fees under this Agreement for the period from August
1, 1999 through December 31, 1999 were $150,903.


24
<PAGE>
CONSECO SERIES TRUST
NOTES TO FINANCIAL STATEMENTS


DECEMBER 31, 1999

================================================================================
(4) INVESTMENT TRANSACTIONS
   The cost on investments and the composition of gross unrealized  appreciation
and  depreciation  of  investments  at December  31,  1999,  are shown below for
federal income tax purposes:

<TABLE>
<CAPTION>

                                                      GOVERNMENT        FIXED
                                                      SECURITIES        INCOME          BALANCED          EQUITY
                                                      PORTFOLIO        PORTFOLIO        PORTFOLIO        PORTFOLIO
===================================================================================================================
<S>                                                <C>              <C>              <C>              <C>
Federal tax cost basis (a) ....................    $  13,479,549    $  29,399,269    $  44,542,671    $ 234,778,783
===================================================================================================================
Gross unrealized appreciation .................            4,005           59,994        7,946,067       68,741,982
Gross unrealized depreciation .................         (537,731)      (1,112,345)      (1,619,625)      (9,831,697)
- -------------------------------------------------------------------------------------------------------------------
Net unrealized appreciation (depreciation) ....    $    (533,726)   $  (1,052,351)   $   6,326,442    $  58,910,285
===================================================================================================================
</TABLE>



- -----------------------------------------------
(a) Represents  cost for federal  income tax  purposes and differs from the cost
    for  financial  reporting  purposes by the amount of losses  recognized  for
    financial reporting purposes in excess of federal income tax purposes and by
    the amount of mark to market  adjustments for 1256 contracts.  The following
    summarizes the amount taxable income exceeds net book income:

   PORTFOLIO                                            AMOUNT
   --------                                            --------
   Government  Securities Portfolio...............  $     4,715
   Fixed Income Portfolio.........................       17,992
   Balanced Portfolio.............................       56,558
   Equity Portfolio...............................   (2,143,492)


   The  aggregate  cost of purchases  and the  aggregate  proceeds from sales of
investments for the year ended December 31, 1999 are shown below:

<TABLE>
<CAPTION>

                                                         GOVERNMENT        FIXED
                                                         SECURITIES        INCOME          BALANCED          EQUITY
                                                         PORTFOLIO        PORTFOLIO        PORTFOLIO        PORTFOLIO
======================================================================================================================
<S>                                                    <C>              <C>              <C>              <C>
Purchases:
   Investments, excluding U.S. government
      securities and short-term investments ......     $  4,527,038     $ 63,907,677     $130,559,340     $843,293,005
   U.S. government securities ....................       18,567,553       35,025,916       21,546,723               --
Sales:
   Investments, excluding U.S. government
      securities and short-term investments ......        3,176,003       58,388,362      132,943,518      892,800,579
   U.S. government securities ....................       14,567,881       32,897,173       22,805,079               --
======================================================================================================================
</TABLE>


(5) FEDERAL INCOME TAX INFORMATION
   As  of  December  31,  1999,  the  following  portfolios  have  capital  loss
carryovers available to offset capital gains in the future, if any:


                                                     AMOUNT        EXPIRES
================================================================================
Government Securities Portfolio ...............   $  232,368         2002
Government Securities Portfolio................      248,559         2007
Fixed Income Portfolio.........................       38,146         2002
Fixed Income Portfolio.........................        5,075         2004
Fixed Income Portfolio.........................      585,029         2007

   During  the year  ended  December  31,  1999 the  following  portfolios  paid
long-term capital gain distributions:

Balanced Portfolio ............................   $  582,804
Equity Portfolio...............................    8,824,136


(6)  NEW PORTFOLIOS
   The Trust started two new portfolios  with $100 of seed money on December 31,
1999.  The  portfolios  are the  Conseco 20 Focus  Portfolio  and the High Yield
Portfolio  (the  "Portfolios").  As of December  31, 1999,  the new  Portfolios'
activities  have  been  limited  to  organizational  matters  with no  operating
activities.  The portfolios  will become  operational  and available for sale in
2000.


                                                                              25
<PAGE>
CONSECO SERIES TRUST
FINANCIAL HIGHLIGHTS


FOR YEARS ENDED DECEMBER 31,
<TABLE>
<CAPTION>


======================================================================================================================
                                                                                  MONEY MARKET PORTFOLIO
                                                           ===========================================================
                                                                1999        1998        1997        1996        1995
======================================================================================================================
<S>                                                          <C>         <C>         <C>          <C>         <C>
Net asset value per share, beginning of period ...........   $   1.00    $   1.00    $   1.00     $   1.00    $   1.00
  Income from investment operations:
    Net investment income ................................       0.05        0.05        0.05         0.05        0.06
    Net realized and unrealized gains (losses)
      on investments .....................................         --          --          --           --          --
- ----------------------------------------------------------------------------------------------------------------------
      Total income (loss) from investment operations .....       0.05        0.05        0.05         0.05        0.06
- ----------------------------------------------------------------------------------------------------------------------
Distributions:
   Dividends from net investment income ..................      (0.05)      (0.05)      (0.05)       (0.05)      (0.06)
   Distribution of net capital gains .....................         --          --          --           --          --
   Return of capital .....................................         --          --          --           --          --
- ----------------------------------------------------------------------------------------------------------------------
      Total distributions ................................      (0.05)      (0.05)      (0.05)       (0.05)      (0.06)
- ----------------------------------------------------------------------------------------------------------------------
Net asset value per share, end of period .................   $   1.00    $   1.00    $   1.00     $   1.00    $   1.00
======================================================================================================================
Total return (a) (b) .....................................      4.87%       5.21%       5.25%        5.13%       5.46%

Ratios/supplemental data:
  Net assets (dollars in thousands), end of period .......   $ 85,692    $ 21,218    $  8,603     $  6,985    $  5,396
  Ratio of expenses to average net assets ................      0.40%       0.45%       0.45%        0.45%       0.45%
  Ratio of total expenses to average net assets (b) ......      0.65%       0.54%       0.53%        0.59%       0.52%
  Ratio of net investment income to average net assets (b)      4.93%       5.08%       5.14%        5.03%       5.46%
  Portfolio turnover rate ................................        N/A         N/A         N/A          N/A         N/A

</TABLE>

- -----------------------------------------------
(a) Total return  represents  performance of the Trust only and does not include
    mortality and expense deductions in separate accounts.
(b) The Adviser has  contractually  agreed to waive their fees and/or  reimburse
    the  Portfolio  through April 30, 2000 to the extent that the ratio of total
    expenses to average net assets exceeds, on an annual basis, 0.45 percent.


26
<PAGE>
CONSECO SERIES TRUST
FINANCIAL HIGHLIGHTS


FOR YEARS ENDED DECEMBER 31,
<TABLE>
<CAPTION>


======================================================================================================================
                                                                            GOVERNMENT SECURITIES PORTFOLIO
                                                           ===========================================================
                                                                1999        1998        1997        1996        1995
======================================================================================================================
<S>                                                          <C>         <C>         <C>          <C>         <C>
Net asset value per share, beginning of period ...........   $  12.15    $  12.04    $  11.94     $  12.38    $  11.09
  Income from investment operations:
    Net investment income ................................       0.64        0.69        0.73         0.72        0.75
    Net realized and unrealized gains (losses)
      on investments .....................................      (1.19)       0.14        0.23        (0.41)       1.12
- ----------------------------------------------------------------------------------------------------------------------
      Total income (loss) from investment operations .....      (0.55)       0.83        0.96         0.31        1.87
- ----------------------------------------------------------------------------------------------------------------------
Distributions:
   Dividends from net investment income ..................      (0.64)      (0.72)      (0.86)       (0.71)      (0.58)
   Distribution of net capital gains .....................         --          --          --        (0.04)         --
   Return of capital .....................................         --          --          --           --          --
- ----------------------------------------------------------------------------------------------------------------------
      Total distributions ................................      (0.64)      (0.72)      (0.86)       (0.75)      (0.58)
- ----------------------------------------------------------------------------------------------------------------------
Net asset value per share, end of period .................   $  10.96    $  12.15    $  12.04     $  11.94    $  12.38
======================================================================================================================
Total return (a) (b) .....................................     -2.48%       7.07%       8.26%        2.75%      17.35%

Ratios/supplemental data:
  Net assets (dollars in thousands), end of period .......   $ 13,104    $  7,907    $  4,270     $  4,024    $  4,613
  Ratio of expenses to average net assets ................      0.66%       0.70%       0.70%        0.70%       0.70%
  Ratio of total expenses to average net assets (b) ......      0.66%       0.96%       0.92%        0.91%       0.78%
  Ratio of net investment income to average net assets (b)      5.61%       5.63%       6.05%        6.02%       6.27%
  Portfolio turnover rate ................................    168.69%      67.49%     195.08%      157.62%     284.31%
</TABLE>


- -----------------------------------------------
(a) Total return  represents  performance of the Trust only and does not include
    mortality and expense deductions in separate accounts.
(b) The Adviser has  contractually  agreed to waive their fees and/or  reimburse
    the  Portfolio  through April 30, 2000 to the extent that the ratio of total
    expenses to average net assets exceeds, on an annual basis, 0.70 percent.


                                                                              27
<PAGE>
CONSECO SERIES TRUST
FINANCIAL HIGHLIGHTS


FOR YEARS ENDED DECEMBER 31,
<TABLE>
<CAPTION>


======================================================================================================================
                                                                                FIXED INCOME PORTFOLIO
                                                           ===========================================================
                                                                1999        1998        1997        1996        1995
======================================================================================================================
<S>                                                          <C>         <C>         <C>          <C>         <C>
Net asset value per share, beginning of period ...........   $  10.05    $  10.14    $   9.97     $  10.15    $   9.45
  Income from investment operations:
    Net investment income ................................       0.62        0.64        0.65         0.66        0.68
    Net realized and unrealized gains (losses)
      on investments .....................................      (0.66)      (0.03)       0.31        (0.18)       0.99
- ----------------------------------------------------------------------------------------------------------------------
      Total income (loss) from investment operations .....      (0.04)       0.61        0.96         0.48        1.67
- ----------------------------------------------------------------------------------------------------------------------
Distributions:
   Dividends from net investment income ..................      (0.62)      (0.64)      (0.79)       (0.66)      (0.97)
   Distribution of net capital gains .....................         --          --          --           --          --
   Return of capital .....................................         --       (0.06)         --           --          --
- ----------------------------------------------------------------------------------------------------------------------
      Total distributions ................................      (0.62)      (0.70)      (0.79)       (0.66)      (0.97)
- ----------------------------------------------------------------------------------------------------------------------
Net asset value per share, end of period .................   $   9.39    $  10.05    $  10.14     $   9.97    $  10.15
======================================================================================================================
Total return (a) (b) .....................................     -0.44%       6.17%       9.97%        4.97%      18.25%

Ratios/supplemental data:
  Net assets (dollars in thousands), end of period .......   $ 28,899    $ 23,985    $ 21,277     $ 17,463    $ 16,046
  Ratio of expenses to average net assets ................      0.67%       0.70%       0.70%        0.70%       0.70%
  Ratio of total expenses to average net assets (b) ......      0.67%       0.80%       0.77%        0.77%       0.74%
  Ratio of net investment income to average net assets (b)      6.46%       6.24%       6.50%        6.65%       6.78%
  Portfolio turnover rate ................................    337.26%     321.09%     276.46%      276.35%     225.41%
</TABLE>


- -----------------------------------------------
(a) Total return  represents  performance of the Trust only and does not include
    mortality and expense deductions in separate accounts.
(b) The Adviser has  contractually  agreed to waive their fees and/or  reimburse
    the  Portfolio  through April 30, 2000 to the extent that the ratio of total
    expenses to average net assets exceeds, on an annual basis, 0.70 percent.




28
<PAGE>
CONSECO SERIES TRUST
FINANCIAL HIGHLIGHTS


FOR YEARS ENDED DECEMBER 31,
<TABLE>
<CAPTION>


======================================================================================================================
                                                                                  BALANCED PORTFOLIO
                                                           ===========================================================
                                                                1999        1998        1997        1996        1995
======================================================================================================================
<S>                                                          <C>         <C>         <C>          <C>         <C>
Net asset value per share, beginning of period ...........   $  13.67    $  13.32    $  13.47     $  12.39    $  11.04
  Income from investment operations:
    Net investment income ................................       0.42        0.43        0.44         0.42        0.51
    Net realized and unrealized gains (losses)
      on investments .....................................       3.72        0.96        2.12         2.77        2.97
- ----------------------------------------------------------------------------------------------------------------------
      Total income (loss) from investment operations .....       4.14        1.39        2.56         3.19        3.48
- ----------------------------------------------------------------------------------------------------------------------
Distributions:
   Dividends from net investment income ..................      (0.42)      (0.43)      (2.20)       (2.07)      (1.83)
   Distribution of net capital gains .....................      (2.74)         --       (0.51)       (0.04)      (0.30)
   Return of capital .....................................         --       (0.61)         --           --          --
- ----------------------------------------------------------------------------------------------------------------------
      Total distributions ................................      (3.16)      (1.04)      (2.71)       (2.11)      (2.13)
- ----------------------------------------------------------------------------------------------------------------------
Net asset value per share, end of period .................   $  14.65    $  13.67    $  13.32     $  13.47    $  12.39
======================================================================================================================
Total return (a) (b) .....................................     30.83%      10.37%      17.85%       28.30%      31.49%

Ratios/supplemental data:
  Net assets (dollars in thousands), end of period .......   $ 51,941    $ 45,904    $ 27,922     $ 16,732    $  9,583
  Ratio of expenses to average net assets ................      0.73%       0.75%       0.75%        0.75%       0.75%
  Ratio of total expenses to average net assets (b) ......      0.83%       0.84%       0.84%        0.95%       0.87%
  Ratio of net investment income to average net assets (b)      2.89%       3.25%       3.14%        3.15%       4.11%
  Portfolio turnover rate ................................    343.43%     336.30%     369.39%      208.13%     194.16%
</TABLE>


- -----------------------------------------------
(a) Total return  represents  performance of the Trust only and does not include
    mortality and expense deductions in separate accounts.
(b) The Adviser has  contractually  agreed to waive their fees and/or  reimburse
    the  Portfolio  through April 30, 2000 to the extent that the ratio of total
    expenses to average net assets exceeds, on an annual basis, 0.75 percent.


                                                                              29
<PAGE>
CONSECO SERIES TRUST
FINANCIAL HIGHLIGHTS


FOR YEARS ENDED DECEMBER 31,
<TABLE>
<CAPTION>


======================================================================================================================
                                                                                    EQUITY PORTFOLIO
                                                           ===========================================================
                                                                1999        1998        1997        1996        1995
======================================================================================================================
<S>                                                          <C>         <C>         <C>          <C>         <C>
Net asset value per share, beginning of period ...........   $  21.59    $  20.16    $  21.85     $  18.84    $  16.54
  Income from investment operations:
    Net investment income ................................         --        0.11        0.06         0.01        0.34
    Net realized and unrealized gains (losses)
      on investments .....................................      10.63        3.09        4.06         8.17        5.68
- ----------------------------------------------------------------------------------------------------------------------
      Total income (loss) from investment operations .....      10.63        3.20        4.12         8.18        6.02
- ----------------------------------------------------------------------------------------------------------------------
Distributions:
   Dividends from net investment income ..................         --       (0.27)      (4.23)       (4.21)      (2.81)
   Distribution of net capital gains .....................      (9.04)      (0.48)      (1.58)       (0.96)      (0.91)
   Return of capital .....................................         --       (1.02)         --           --          --
- ----------------------------------------------------------------------------------------------------------------------
      Total distributions ................................      (9.04)      (1.77)      (5.81)       (5.17)      (3.72)
- ----------------------------------------------------------------------------------------------------------------------
Net asset value per share, end of period .................   $  23.18    $  21.59    $  20.16     $  21.85    $  18.84
======================================================================================================================
Total return (a) (b) .....................................     50.28%      15.62%      18.68%       44.99%      36.30%

Ratios/supplemental data:
  Net assets (dollars in thousands), end of period .......   $300,437    $235,001    $216,986     $171,332    $109,636
  Ratio of expenses to average net assets ................      0.77%       0.80%       0.80%        0.80%       0.80%
  Ratio of total expenses to average net assets (b) ......      0.82%       0.80%       0.80%        0.81%       0.80%
  Ratio of net investment income to average net assets (b)     -0.10%       0.55%       0.28%        0.06%       1.80%
  Portfolio turnover rate ................................    364.53%     317.91%     234.20%      177.03%     172.55%
</TABLE>


- -----------------------------------------------
(a) Total return  represents  performance of the Trust only and does not include
    mortality and expense deductions in separate accounts.
(b) The Adviser has  contractually  agreed to waive their fees and/or  reimburse
    the  Portfolio  through April 30, 2000 to the extent that the ratio of total
    expenses to average net assets exceeds, on an annual basis, 0.80 percent.




30
<PAGE>
REPORT OF INDEPENDENT ACCOUNTANTS

================================================================================
TO THE BOARD OF TRUSTEES AND SHAREHOLDERS OF
THE CONSECO SERIES TRUST

   In our  opinion,  the  accompanying  statements  of assets  and  liabilities,
including the schedules of investments, and the related statements of operations
and of changes in net assets and the financial highlights present fairly, in all
material  respects,  the  financial  position  of the Money  Market,  Government
Securities,  Fixed  Income,  Balanced and Equity  Portfolios  (constituting  the
Conseco Series Trust, hereafter referred to as the "Fund") at December 31, 1999,
the results of each of their  operations for the year then ended, the changes in
each of their 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, in
conformity with accounting  principles  generally accepted in the United States.
These financial statements and financial highlights  (hereinafter referred to as
"financial  statements") are the  responsibility of the Fund's  management;  our
responsibility to express an opinion of these financial  statements based on our
audits. We conducted our audits of these financial statements in accordance with
auditing standards  generally accepted in the United States,  which require that
we plan and perform the audit to obtain  reasonable  assurance about whether the
financial  statements  are free of  material  misstatement.  An  audit  includes
examining,  on a test basis,  evidence supporting the amounts and disclosures in
the  financial   statements,   assessing  the  accounting  principles  used  and
significant  estimates made by management,  and evaluating the overall financial
statement presentation.  We believe that our audits, which included confirmation
of securities at December 31, 1999 by correspondence with the custodian, provide
a reasonable basis for the opinion expressed above.




/s/ PRICEWATERHOUSECOOPERS LLP
- --------------------------------------
PricewaterhouseCoopers LLP
Indianapolis, Indiana
February 15, 2000


                                                                              31
<PAGE>
================================================================================
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32
<PAGE>
CONSECO SERIES TRUST
1999 ANNUAL REPORT

================================================================================
CONSECO SERIES TRUST
BOARD OF TRUSTEES

WILLIAM P. DAVES, JR.
   Chairman of the Board
   Consultant to the insurance
      and healthcare industries
      Chairman and CEO, FFG Insurance Co.

MAXWELL E. BUBLITZ, CFA
   President
   President, CEO and Director
      Conseco Capital Management, Inc.
   Senior VP, Conseco, Inc.

HAROLD W. HARTLEY, CFA
      Director, Ennis Business Forms, Inc.
      Former Executive VP, Tenneco
       Financial Services, Inc.

DR. R. JAN LECROY
   Director, Southwest Securities Group, Inc.
   Former President, Dallas Citizens Council

DR. JESS H. PARRISH
   Higher education consultant
   Former President, Midland College

DAVID N. WALTHALL
   Principal, Walthall Asset Management

INVESTMENT ADVISER
   Conseco Capital Management, Inc.
      Carmel, Indiana

CUSTODIAN
   The Bank of New York
   New York, New York

INDEPENDENT PUBLIC ACCOUNTANTS
   PricewaterhouseCoopers LLP
   Indianapolis, Indiana

LEGAL COUNSEL
   Kirkpatrick & Lockhart LLP
   Washington, D.C.


                                                                              33
<PAGE>








              CONSECO SERIES TRUST IS A REGISTERED INVESTMENT COMPANY MANAGED BY
                  CONSECO CAPITAL MANAGEMENT, INC., A WHOLLY OWNED SUBSIDIARY OF
       CONSECO, INC., A FINANCIAL SERVICES ORGANIZATION HEADQUARTERED IN CARMEL,
            INDIANA. CONSECO, THROUGH ITS SUBSIDIARY COMPANIES, IS ONE OF MIDDLE
       AMERICA'S LEADING SOURCES FOR INSURANCE, INVESTMENT AND LENDING PRODUCTS,
           HELPING 12 MILLION CUSTOMERS STEP UP TO A BETTER, MORE SECURE FUTURE.



                                                            Conseco Series Trust
                                                 11815 North Pennsylvania Street
                                                           Carmel, Indiana 46032



                                                             CI-319 (8/99) 06104
                                                   (C) 1999 Conseco Series Trust


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