ULTRA SERIES FUND
N-30D, 1998-08-13
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Dear Shareholder,

The stock and bond  market  advance  continued  through  the first half of 1998.
However,  economic concerns increased throughout the period as the interest rate
decline that has been fueling the bond market advance  appeared to bottom out in
mid-June,  and the already selective stock market advance narrowed even further.
As a result,  although most investors did quite well during the period, very few
investors fared as well as the broadly quoted indexes would indicate,  and their
level of  discomfort  with the  markets  reached  new highs right along with the
market indexes.

A plateauing  bond market  usually  reflects  "fears" of  accelerating  economic
growth.  But,  the stock  market  has been more  focused  on the Asian  economic
problems and other possible  dampening  influences on our economy.  As a result,
stock  investment  dollars have been directed  primarily to the companies  which
seem to be best able to  contend  with these  challenges  -- the  largest,  most
well-established  technology and consumer products  companies serving world-wide
markets.  This has led to extreme  performance and valuation  imbalances between
the few very large,  growth-oriented  companies that have been leading the stock
market's  advance and the vast  "second  tier" of the stock  market.  These very
sound and well-run  companies'  stocks have participated to a much lesser extent
in the market advance even though their earnings  growth has held up as well as,
or even better than, that of the stock market leaders.

This extreme  divergence of performance  can be seen in the various stock market
indexes cited  elsewhere in this report,  but is also evident within the popular
Standard & Poor's 500 stock index.  This index represents a cross section of the
nation's larger  publicly held companies,  and purports to portray the "average"
stock  performance  of all of these 500  stocks.  But,  each  stock is  weighted
according to the total market value of its outstanding shares. So, big companies
dominate the index (the largest,  General Electric, is 478 times larger than the
smallest,  Armco!).  During the second quarter of 1998, the index was up 17.7 %,
but the average stock (equally weighting all 500 stocks) was up "only" 11.1%.

Does this stock  performance  difference  between the largest  companies and the
rest of the market represent  differences in company earnings  performance?  Not
lately.  Earnings gains have slowed throughout our economy since late-1997,  and
most of the large companies  propelling the S&P 500 index to new highs have done
no better than many others in  maintaining  their  earnings  growth.  So,  their
stocks'  relative  valuation  levels  have  expanded.   Four  of  the  top  five
contributors  to the S&P 500's recent  gains  (Microsoft,  Lucent  Technologies,
Cisco  Systems  and Coca  Cola) now sell at well over 50 times  their  currently
estimated 1998 earnings per share (the fifth, Wal-Mart, is at the index's median
multiple of 33 times  earnings).  And, these four "high priced"  stocks,  all by
themselves, accounted for over 50% of the index's second quarter gains.

In this environment of continued overall favorable economic performance and low,
stable interest  rates,  but with clouds on the horizon and a major component of
the stock market valued at  significantly  higher prices than the average stock,
we see both  risk and  opportunity.  The  chances  of a stock  market  shock are
increased,  and extreme  volatility should be expected.  But, much of the market
remains reasonably valued and should provide good long term returns for patient,
prudent investors.

The  following  pages  present a more  detailed look at each of the Ultra Series
Fund's  performance,  how it was achieved and how the  portfolios are positioned
for the  future.  No one can ever  know  exactly  what  the  future  holds,  but
understanding  the  investment  approach we pursue on your behalf and developing
reasonable  expectations for the various forms of investments is the cornerstone
of successful investing.

We at CIMCO and throughout the CUNA Mutual Group are honored to be your partners
in your pursuit of investment success and ultimate financial security.

Sincerely,

/s/Lawrence R. Halverson
Lawrence R. Halverson, CFA
Vice President
Ultra Series Fund

<PAGE>

              CAPITAL APPRECIATION STOCK FUND OF ULTRA SERIES FUND
               COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT

 
At this place, the shareholder report shows a graphic  representation of how the
Capital Appreciation Stock Fund compared to several indexes. $10,000 invested on
the inception date of January 3, 1994 would have the following  value as of June
30, 1998.

         Capital Appreciation Stock Fund1         $25,030
         S&P 500 Stock Index                      $26,882
         Lipper Average2                          $21,462
         Consumer Price Index                     $11,146
     
The scale on this chart is different  from the scale on the other charts in this
report because the fund's inception date is January 3, 1994.

- -------------------------------------------------------------------------
                      Average Annual Total Return
- -------------------------------------------------------------------------
- ---------------------------------- ---------- ---------- ----------------
                                     Since      Since    Since Inception
                                   12-31-97   12-31-92       of Fund
- ---------------------------------- ---------- ---------- ----------------
- ---------------------------------- ---------- ---------- ----------------
Capital Appreciation Stock Fund3    13.75%       N/A         22.64%
S&P 500 Stock Index                 17.70%       N/A         24.58%
Lipper Average2                     15.63%       N/A         14.90%
Consumer Price Index                 0.68%       N/A          2.44%
- ---------------------------------- ---------- ---------- ----------------

TEN LARGEST HOLDINGS (% of Portfolio)
MediaOne Group Inc............ 4.3%    Dayton Hudson Corporation...... 2.7%
EMC Corp...................... 3.9%    Safeway, Inc................... 2.4%
Owens Illinois, Inc........... 3.7%    Interim Services, Inc.......... 2.6%
Airtouch Communications, Inc.. 3.6%    Mutual Risk Management Ltd..... 2.5%
Travelers Group, Inc.......... 3.0%    Wang Laboratories, Inc......... 2.4%

At this place,  the shareholder  report contains a pie chart showing a portfolio
mix of 3.9% in  foreign  stocks,  3.0% in  short-term  investments  and 93.1% in
common stock.

1    Capital  Appreciation  Stock Fund returns on the graph are from  inception,
     January 3, 1994.

2    Lipper  Performance  Summary Average for Capital  Appreciation  Stock Funds
     represents the average  annual total return of all the  underlying  Capital
     Appreciation  Stock Funds in Lipper Analytical  Services Variable Insurance
     Products Performance Analysis Service.

3    Fund  returns are  calculated  after mutual fund level  expenses  have been
     subtracted,  as described in the prospectus.  Market indexes are not actual
     investment alternatives; the returns shown reflect just the income from and
     changes  in value of the  securities  in the index and do not  reflect  any
     deduction for the transaction costs, bid/asked spreads,  management fees or
     operating  expenses that would be incurred in an actual  indexed or managed
     fund.

Figures for more than one year reflect a steady  compounded rate. Actual returns
fluctuated  year  by  year.   Because  principal  value  and  investment  return
fluctuate,  there may be a gain or loss on withdrawal.  Past  performance is not
predictive of future results. This material must be preceded or accompanied by a
current prospectus. Current prospectuses are mailed to existing policyholders.

<PAGE>


             Management's Discussion of First Half 1998 Performance
                         Capital Appreciation Stock Fund

Investment  Objective:  Seeks a high  level of  long-term  growth of  capital by
investing in common stocks,  including those of smaller  companies and companies
undergoing significant change.

Management's  Discussion:  Returns in the U.S. stock market varied widely as the
S&P 500  index  was  driven  by the  strong  performance  of a small  number  of
mega-capitalization "growth" stocks. Small- and mid-capitalization stock indexes
continued to lag  large-capitalization  indexes,  but still provided  attractive
returns.  The Capital  Appreciation Stock Fund's investment  approach of staying
invested in reasonably  valued companies across all  capitalization  segments of
the equity  market  caused the Fund's  return to lag the more widely  cited "big
cap" market indexes, but matched or exceeded the mid- and small-cap indexes. The
Fund also  modestly  lagged the Lipper  average  of similar  variable  insurance
products funds due largely to its more conservative,  value-oriented  management
style in the face of the  growth-oriented  bias of the  market  during  this six
month period.

  USF Capital Appreciation Stock Fund                                    13.8%

  Russell 2000 Index (Small capitalization stocks)                        4.9%
  Standard & Poor's Mid Cap 400 Index (Middle capitalization stocks)      8.6%
  Russell 1000 Index (Large capitalization stocks)                       16.2%
  Standard & Poor's 500 Index (Large capitalization stocks)              17.7%

  Lipper Average of Capital Appreciation Funds                           15.6%

First half Fund  results  benefited  from  strong  performance  in the  consumer
staples sector, one of the Fund's most heavily weighted areas.  Consumer staples
holdings were approximately twice the sector weight of the S&P Mid-Cap Index and
one-and-a-quarter  times  that of the  S&P  500.  The  Fund's  consumer  staples
holdings  appreciated by approximately  19.6% during the first half of the year,
led by the strong  performance of cable industry holdings MediaOne Group and Cox
Communications,  as well as supermarket operator Safeway Inc. Drug retailer Rite
Aid  also  outperformed  significantly.  We  are  maintaining  our  overweighted
position in this sector,  though we have been shifting assets toward stocks such
as Tyson Foods and Nabisco  Holdings  which have been laggards in the sector and
appear to offer better value at this time.

The Fund also benefited from strong stock performance in the consumer  cyclical,
technology  and  communication  services  sectors.   Negative  impacts  on  fund
performance  came from the capital goods sector,  due to poor  performance  from
Raychem,  a  maker  of  copper  and  fiber  accessory  products,  and  from  the
transportation sector.

The Fund enters the third quarter with  overweighted  positions  relative to the
S&P Mid Cap 400 Index in the  consumer  staples,  health care and  communication
services  sectors,  and  underweighted  positions in the  utilities and consumer
cyclical sectors.  Sector weights are a function of our "bottom-up" analysis and
reflect the relative  attractiveness of individual  stocks,  not  macro-economic
assessments of the broad sectors.

Given current market valuation  levels, a period of increased market  volatility
or a short term  pull-back is quite  possible.  Occasional  corrections,  though
unnerving  at times,  are a normal  phase of bull  markets and have a relatively
small  impact on long term  investment  results.  We  continue  to believe  that
investors should maintain their long-term investment  accumulation  programs and
not try to time the market.

CIMCO Inc. Common Stock Portfolio Management Team

<PAGE>

                GROWTH AND INCOME STOCK FUND OF ULTRA SERIES FUND
               COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT

At this place, the shreholder  report shows a graphic  representation of how the
Growth and Income Stock Fund compared to several indexes.  A $10,000  investment
on the inception date of January 3, 1985,  would have the following  value as of
June 30, 1998.
                      
         Growth and Income Stock Fund                     $52,621
         S&P 500 Stock Index                              $61,732
         Lipper Average1                                  $49,550
         Consumer Price Index                             $14,084
                                   
- -----------------------------------------------------------------------
                     Average Annual Total Return
- -----------------------------------------------------------------------
- -------------------------------- ------------ ------------ ------------
                                    Since        Since        Since
                                  12-31-97     12-31-92     12-31-87
- -------------------------------- ------------ ------------ ------------
- -------------------------------- ------------ ------------ ------------
Growth and Income Stock Fund2      12.23%       20.08%       17.13%
S&P 500 Stock Index                17.70%       21.81%       18.93%
Lipper Average1                    12.22%       18.10%       16.46%
Consumer Price Index                0.68%        2.49%        3.32%
- -------------------------------- ------------ ------------ ------------

TEN LARGEST HOLDINGS (% of Portfolio)
MediaOne Group Inc. ............ 3.2%    Bank One Corporation ............ 2.4%
American Home Products Corp... . 2.9%    Int'l Business Machines Corp..... 2.4%
Wal-Mart Stores, Inc............ 2.9%    Crown Cork & Seal CO., Inc......  2.3%
EMC Corp. ...................... 2.8%    Travelers Group, Inc. ........... 2.3%
Bristol-Myers Squibb Co. ....... 2.6%    Allstate Corporation............. 2.3%

At this place,  the shareholder  report contains a pie chart showing a portfolio
mix of 2.9% in  foreign  stocks,  3.4% in  short-term  investments  and 93.7% in
common stock.

1    The Lipper  Performance  Summary  Average for Growth and Income Stock Funds
     represents the average annual total return of all the underlying Growth and
     Income  Stock  Funds  in  Lipper  Analytical  Services  Variable  Insurance
     Products Performance Analysis Service.

2    Fund  returns are  calculated  after mutual fund level  expenses  have been
     subtracted,  as described in the prospectus.  Market indexes are not actual
     investment alternatives; the returns shown reflect just the income from and
     changes  in value of the  securities  in the index and do not  reflect  any
     deduction for the transaction costs, bid/asked spreads,  management fees or
     operating  expenses that would be incurred in an actual  indexed or managed
     fund.

Figures for more than one year reflect a steady  compounded rate. Actual returns
fluctuated  year  by  year.   Because  principal  value  and  investment  return
fluctuate,  there may be a gain or loss on withdrawal.  Past  performance is not
predictive of future results. This material must be preceded or accompanied by a
current prospectus. Current prospectuses are mailed to existing policyholders.

<PAGE>

             Management's Discussion of First Half 1998 Performance
                          Growth and Income Stock Fund

Investment  Objective:  Seeks  long-term  growth of  capital,  with  income as a
secondary  consideration,  by investing  primarily in common stocks of companies
with financial and market strengths and long-term records of performance.

Management's Discussion: The bull market marched on through the first six months
of 1998, pushing stock indexes to record levels. However, the gains are becoming
concentrated in fewer and fewer stocks. For instance, the 14 largest performance
contributors  among the 500 stocks in the Standard & Poor's 500 index  accounted
for 100% of the index's 17.7% gain;  the other 486 stocks merely "broke even" on
average for the period!  Smaller company stock indexes provided much more modest
returns,  but  were at  least  in line  with U.  S.  common  stocks'  historical
averages.  The Growth and  Income  Fund  returned  12.2%  during  this six month
period, exceeding all but the large company stock indexes and right in line with
the Lipper average of similar  variable  insurance  products  underlying  mutual
funds.

   USF Growth and Income Stock Fund                                    12.2%

   Russell 2000 Index (Small capitalization stocks)                     4.9%
   Standard & Poor's 400 Index (Middle capitalization stocks)           8.6%
   Russell 1000 Index (Large capitalization stocks)                    16.2%
   Standard & Poor's 500 Index (Large capitalization stocks)           17.7%

   Lipper Average of Growth and Income Funds                           12.2%

Market  performance  during  the  period  was  driven by  outperformance  in the
consumer  cyclical,  healthcare and technology  sectors.  In the Growth & Income
portfolio,  the  healthcare  and  technology  sectors  did well  relative to the
overall  index,  however they trailed their  respective  industry  groups in the
index. The basic materials and consumer staples sectors had a negative impact on
fund performance.  Noteworthy contributors to our good returns during the period
included Echlin,  Wal-Mart,  Sears,  MediaOne Group, Morgan Stanley-Dean Witter,
EMC, American Home Products, and Airtouch Communications.

The Fund enters the third  quarter with modestly  overweighted  positions in the
technology,  healthcare,  and  consumer  cyclicals  sectors,  and  underweighted
positions  in the  capital  goods and  finance  sectors.  Sector  weights  are a
function of our "bottom-up" analysis and reflect the relative  attractiveness of
individual stocks, not macro-economic assessments of the broad sectors.

The strength of the bull market in the face of the Asian  fallout has  surprised
most investors.  While there are solid  fundamentals  that are favorable for the
long-term investor,  it is important to recognize what is driving these returns.
As stated  above,  the  returns  have  been  concentrated  in a small  number of
industry-leading  stocks that carry high P/E ratios  (high  prices of the stocks
relative to their  earnings  per share).  This  increasing  "narrowness"  of the
market  returns is further  widening the valuation gap between the large company
stocks and the rest of the market.

With the market at these high  valuation  levels,  the  likelihood  of increased
market  volatility or a short term correction is also high.  However,  the solid
foundation of strong economic  fundamentals  remains intact, and should continue
to  offer  support  to  long  term  investors  who  maintain  their   investment
accumulation  discipline  and do not try to time the market.  It is important to
remember that  occasional  corrections  are a normal phase of bull markets,  and
while unnerving in the short term,  have a relatively  small impact on long term
investment results.

CIMCO Inc. Common Stock Portfolio Management Team

<PAGE>

                       BALANCED FUND OF ULTRA SERIES FUND
               COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT

At this place, the shareholder report shows a graphic  representation of how the
Balanced Fund compared to several indexes. A $10,000 investment on the inception
date of January 3, 1985 would have the following value as of June 30, 1998.

         Balanced Fund                        $32,206
         Synthetic Index1                     $35,121
         Lipper Average2                      $34,357
         Consumer Price Index                 $14,084
                                                        
- ------------------------------------------------------------------------
                      Average Annual Total Return
- ------------------------------------------------------------------------
- ------------------------------- ------------ ------------- -------------
                                   Since        Since         Since
                                 12-31-97      12-31-92      12-31-87
- ------------------------------- ------------ ------------- -------------
- ------------------------------- ------------ ------------- -------------
Balanced Fund3                     7.59%        12.09%        11.78%
Synthetic Index                    9.62%        13.14%        12.71%
Lipper Average2                    9.61%        13.26%        12.47%
Consumer Price Index               0.68%         2.49%         3.32%
- ------------------------------- ------------ ------------- -------------

At this place,  the shareholder  report contains a pie chart showing a portfolio
mix of 5.6% in short-term investments, 11.7% in government & agency bonds, 30.7%
in corporate bonds,  49.5% in common stocks,  1.7% in foreign bonds, and 0.8% in
foreign common stocks.

1    The  Synthetic  Index  represents  the average  annual  total  returns of a
     portfolio which was annually readjusted to 45% Standard and Poor's 500, 40%
     Lehman  Intermediate  Government/Corporate  Index,  and 15% 90-Day Treasury
     Bills.

2    The Lipper  Performance  Summary Average for Balanced Funds  represents the
     average annual total return of all the underlying  Balanced Funds in Lipper
     Analytical  Services  Variable  Insurance  Products   Performance  Analysis
     Service.

3    Fund  returns are  calculated  after mutual fund level  expenses  have been
     subtracted,  as described in the prospectus.  Market indexes are not actual
     investment alternatives; the returns shown reflect just the income from and
     changes  in value of the  securities  in the index and do not  reflect  any
     deduction for the transaction costs, bid/asked spreads,  management fees or
     operating  expenses that would be incurred in an actual  indexed or managed
     fund.

Figures for more than one year reflect a steady  compounded rate. Actual returns
fluctuated  year  by  year.   Because  principal  value  and  investment  return
fluctuate,  there may be a gain or loss on withdrawal.  Past  performance is not
predictive of future results. This material must be preceded or accompanied by a
current prospectus. Current prospectuses are mailed to existing policyholders.

<PAGE>

             Management's Discussion of First Half 1998 Performance
                                  Balanced Fund

Investment  Objective:  Seeks a high total  return  through the  combination  of
income and capital growth by investing in common stocks of the type owned in the
Growth and Income and Capital  Appreciation Stock Funds, bonds of the type owned
in the Bond Fund and money  market  instruments  of the type  owned in the Money
Market Fund.

Management's Discussion: With most U. S. stock indexes providing returns ranging
from the low to the high teens,  and bond returns  generally  ranging from 3% to
6%, the first half of 1998 provided a very favorable  environment  for investors
in  diversified  portfolios  like the Ultra  Series  Balanced  Fund.  The Fund's
generally conservative  composition dampened returns somewhat relative to common
market indexes and the Lipper average of similar funds, but still provided above
average  returns for this six month period  relative to the long term historical
investment market averages:

   USF Balanced Fund                                                  7.6%

   Synthetic Index*                                                   9.6%

   Lipper Average of Balanced Funds                                   9.6%

     * 45% Standard & Poor's 500, 40% Lehman  Intermediate  Government/Corporate
     Index and 15% 90-day U. S. Treasury bills.

The key  operating  factors  causing a difference  between the  Balanced  Fund's
return  and that of the  synthetic  index  were Fund  expenses,  which  averaged
approximately  .34% of Fund  assets in this six month  period,  and  transaction
costs.  Market  indexes are not actual  investment  funds and do not bear either
expenses or transaction costs.

In addition,  although the markets represented in the synthetic index (described
in the footnote  above) better  represent  the types of securities  owned in the
Balanced  Fund than any other single stock and bond  indexes,  the Balanced Fund
generally invests in some stocks of smaller capitalization  companies than those
represented in the Standard & Poor's 500, and it invests a smaller proportion of
its assets in U. S. Treasury bonds than  represented in the Lehman  Intermediate
Government/Corporate  Index. These differences  typically provide higher returns
to the Fund,  but that has not been the case in the last several  months' "large
cap" stock market and "flight to quality" bond market environment.

Management's  discussions  of the Bond,  Growth  and  Income  Stock and  Capital
Appreciation  Stock Funds  elsewhere in this report provide  descriptions of the
various portfolio  management  activities which were employed for these funds as
well as in the  Balanced  Fund,  explaining  the major  sources of positive  and
negative variances in Fund performance relative to the indexes.

The difference between the performance of the Balanced Fund in the first half of
1998 and that of the average  balanced fund in the Lipper universe was primarily
attributable  to the  long-standing  difference in the mix of stocks,  bonds and
money market investments.  The average balanced fund has a greater proportion of
its assets  invested in stocks and less in bonds and money markets than does the
Ultra Series Balanced Fund. This reflects the more aggressive  management  style
of the average  fund  relative to the more  conservative  structure of the Ultra
Series  Balanced  Fund.  This  difference  has resulted in somewhat  lower total
returns in recent  periods for the Balanced Fund, but it has also very favorably
impacted  the  Balanced  Fund's  stability  of  returns,  a  common  measure  of
investment risk.

Diversified  investing  always makes good sense,  and it makes  especially  good
sense in periods of  heightened  risk due to higher market  valuation  levels or
increased economic  uncertainty.  Today's economic outlook is about as favorable
as it can be, but this is reflected in today's valuation levels.  So, investors'
risks are high, at least in the near-term. We continue to be strong believers in
the long-term  attractiveness of the U. S. securities markets,  and believe that
the diversified approach pursued by the Ultra Series Balanced Fund will continue
to serve investors very well.

CIMCO Inc. Balanced Portfolio Management Team

<PAGE>

                         BOND FUND OF ULTRA SERIES FUND
               COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT

At this place, the shareholder report shows a graphic  representation of how the
Bond Fund  compared to several  indexes.  A $10,000  investment on the inception
date of January 3, 1985 would have the following value as of June 30, 1998.

  Bond Fund                                                             $22,219
  Lehman Brothers Intermediate Government/Corporate Bond Index          $23,046
  Lipper Average1                                                       $19,849
  Consumer Price Index                                                  $14,084

                                                   
- --------------------------------------------------------------------------
                       Average Annual Total Return
- --------------------------------------------------------------------------
- -------------------------------- ------------- ------------- -------------
                                    Since         Since         Since
                                   12-31-97      12-31-92      12-31-87
- -------------------------------- ------------- ------------- -------------
- -------------------------------- ------------- ------------- -------------
Bond Fund2                          3.36%         6.35%         7.90%
Lehman Brothers Intermediate
   Govt./Corporate Bond Index       3.46%         6.70%         8.28%
Lipper Average1                     3.79%         5.49%         6.75%
Consumer Price Index                0.68%         2.49%         3.32%
- -------------------------------- ------------- ------------- -------------

At this place,  the shareholder  report contains a pie chart showing a portfolio
mix of 1.5% in short-term investments, 14.2% in government & agency bonds, 3.0%
in non-corporate bonds, 4.2% in foreign bonds, and 77.1% in corporate bonds.

1    The Lipper Performance  Summary average for  Short/Intermediate  Investment
     Grade  Funds  represents  the  average  annual  total  return  of  all  the
     underlying  Short/Intermediate  Investment Grade Funds in Lipper Analytical
     Services Variable Insurance Products Performance Analysis Service.

2    Fund  returns are  calculated  after mutual fund level  expenses  have been
     subtracted,  as described in the prospectus.  Market indexes are not actual
     investment alternatives; the returns shown reflect just the income from and
     changes  in value of the  securities  in the index and do not  reflect  any
     deduction for the transaction costs, bid/asked spreads,  management fees or
     operating  expenses that would be incurred in an actual  indexed or managed
     fund.

Figures for more than one year reflect a steady  compounded rate. Actual returns
fluctuated  year  by  year.   Because  principal  value  and  investment  return
fluctuate,  there may be a gain or loss on withdrawal.  Past  performance is not
predictive of future results. This material must be preceded or accompanied by a
current prospectus. Current prospectuses are mailed to existing policyholders.

<PAGE>

             Management's Discussion of First Half 1998 Performance
                                    Bond Fund

Investment Objective:  Seeks a high level of current income, consistent with the
prudent  limitation  of  investment  risk,  through  investment in a diversified
portfolio of fixed income securities with maturities of up to 30 years. The Fund
emphasizes intermediate-term maturities.

Management's Discussion: The bond market has traded in a relatively narrow range
since the beginning of the year. It rallied  modestly  early in the year only to
give back most of the gains by the end of April, rallied again to mid-June, then
trended a little lower to the end of the month.  Intermediate-term Treasury bond
yields ranged between 5.3% and 5.7%,  ending the period at about 5.4%, down from
5.6% where they began the year. As a result,  bond investors "earned the coupon"
plus a small price gain for the period. The yield curve, which relates yields on
bonds with their years to maturity,  remained quite flat -- the yield difference
between two-year and ten-year bonds was only 0.1%.

The Bond Fund provided a return in line with the historical norms for investment
grade,  intermediate term bonds during this six month period. This compared well
with the representative  Lehman Brothers bond indexes, and was comparable to the
return reported by Lipper Analytical  Services for its index of similar variable
insurance products underlying mutual funds.

   USF Bond Fund                                                     3.6%

   Lehman Brothers Intermediate Government/Corporate Index           3.5%
   Lehman Brothers Aggregate Index                                   3.9%
   Lehman Brothers Government/Corporate Index                        4.2%

    Lipper Average of Intermediate Investment Grade Bond Funds       3.8%

The Bond Fund's return was in line with the  intermediate  term index even after
fund  expenses  of  about  .3%  due  to  the  favorable  impact  of  the  Fund's
greater-than-index   exposure  to  corporate  bonds  versus   government  bonds.
Corporates generally outperformed  governments through to first half of the year
as interest  rate  spreads  tightened  in response  to the  continued  favorable
economic  environment.  The slight difference between the Fund's return and that
of the Lipper  average of similar funds was due to the average  fund's  somewhat
longer  maturity  and  lower  quality  than  our  fund.  The  Bond  Fund's  more
conservative  approach  adds  stability  and  safety,  but can limit  returns in
favorable interest rate environments.

The Fund's  holdings are well  diversified  across  sectors.  Corporate  issues,
comprising  over 75% of net  assets in total,  are  about 30%  industrials,  30%
financials  and  15%  utilities.  The  foreign  category  -- a small  amount  of
corporates and a few government  securities,  totaling about 7% of net assets --
provides  diversification  and higher potential returns than domestic securities
of comparable  credit quality.  Mortgage-related  securities are currently 6% of
the Fund's net assets.  Very safe and highly liquid U. S. government  securities
and deposits  constitute  the  remainder of net assets.  The  portfolio of bonds
currently  has a 7.5 year average  maturity,  an  effective  duration of 4.2 and
provides a 6.4% yield to maturity before expenses.

The Ultra Series Bond Fund's  investments  will remain  focused in issues having
intermediate-term maturities,  usually resulting in a portfolio duration of from
three to five years. We have been reducing by consolidation the number of issues
in the portfolio,  aiming for about 50 primary  holdings to provide the benefits
of  diversification  yet  not  dilute  either  the  fund's  performance  or  the
management  team's  effectiveness in monitoring and managing the portfolio.  The
team employs a disciplined,  contrarian-oriented  investment  selection  process
designed  to  identify  attractive  pricing  in  the  bond  markets.  Securities
selection is the core of our  management  efforts;  neither  large market timing
moves based on interest rate predictions nor heavy reliance on high yielding but
volatile  "junk"  bonds are  employed.  We believe the Bond Fund's  conservative
investment  approach will make it an important source of predictable  income and
price stability for many shareholders' diversified investment portfolios.

CIMCO Inc. Bond Portfolio Management Team

<PAGE>

                     TREASURY 2000 FUND OF ULTRA SERIES FUND
               COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT

At this place, the shareholder report shows a graphic  representation of how the
Treasury  2000 Fund  compared to several  indexes.  A $10,000  investment on the
inception  date of July 28, 1988 would have the  following  value as of June 30,
1998.

         Treasury 2000 Fund1                                           $26,330
         Lipper Average2                                               $27,458
         Lehman Brothers Intermediate Treasury Bond Index              $22,513
         Consumer Price Index                                          $14,084

- --------------------------------------------------------------------------
                       Average Annual Total Return
- --------------------------------------------------------------------------
- ---------------------------------- ---------- ----------- ----------------
                                     Since      Since          Since
                                   12-31-97    12-31-92    Inception of
                                                               Fund
- ---------------------------------- ---------- ----------- ----------------
- ---------------------------------- ---------- ----------- ----------------
Treasury 2000 Fund3                  3.20%      7.13%          10.17%
Lehman Brothers Intermediate
Treasury Bond Index                  3.47%      6.41%           8.04%
Lipper Average2                      4.08%      8.61%          10.10%
Consumer Price Index                 0.68%      2.49%           3.32%
- ---------------------------------- ---------- ----------- ----------------

1    Treasury 2000 Fund returns on the graph are from inception, July 28, 1988.

2    The Lipper Performance Summary Average for Target Maturity Funds represents
     the average annual total return of all the underlying Target Maturity Funds
     in Lipper  Analytical  Services  Variable  Insurance  Products  Performance
     Analysis  Service.  The  Lipper  Performance  Summary  Average  for  Target
     Maturity Funds covers the period from January 1, 1988 to December 31, 1997.
     This is not  exactly  the same time frame as the  Treasury  2000 Fund which
     began on July 29, 1988.

3    Fund  returns are  calculated  after mutual fund level  expenses  have been
     subtracted,  as described in the prospectus.  Market indexes are not actual
     investment alternatives; the returns shown reflect just the income from and
     changes  in value of the  securities  in the index and do not  reflect  any
     deduction for the transaction costs, bid/asked spreads,  management fees or
     operating  expenses that would be incurred in an actual  indexed or managed
     fund.

Figures for more than one year reflect a steady  compounded rate. Actual returns
fluctuated  year  by  year.   Because  principal  value  and  investment  return
fluctuate,  there may be a gain or loss on withdrawal.  Past  performance is not
predictive of future results. This material must be preceded or accompanied by a
current prospectus. Current prospectuses are mailed to existing policyholders.

<PAGE>

             Management's Discussion of First Half 1998 Performance
                               Treasury 2000 Fund

Investment  Objective:  Seeks  safety of capital  and a  relatively  predictable
payout upon  Portfolio  Maturity,  primarily by  investing in Stripped  Treasury
Securities.

Management's  Discussion:  The first half of 1998 saw interest rates fluctuating
in a relatively  narrow range,  declining  slightly  overall.  The Treasury 2000
Fund's  investment  approach of staying  invested  exclusively in U. S. Treasury
Strips or similar zero coupon  securities  with a maturity  date of November 15,
2000,  allowed the Fund to advance  along with the bond market and similar funds
as interest rates eased.

   USF Treasury 2000 Fund                                               3.2%

   Lehman Intermediate Treasury Bond Index                              3.5%
   Lipper Average of Target Maturity Funds                              4.1%

The key  operating  factors  causing a difference  between the Fund's return and
that of the index were Fund  expenses,  which amounted to .23% of Fund assets in
this period,  and transaction  costs.  Market indexes are not actual  investment
funds and do not bear either expenses or transaction costs.

The performance of the Treasury 2000 Fund in the first half of 1998, relative to
the index, was negatively  impacted by the Fund's somewhat shorter duration (2.8
versus 3.3 for the index) during a time of modestly  declining  interest  rates.
Similarly,  the average target maturity fund in the Lipper universe has a longer
duration  than the Fund,  producing  the slightly  higher  return for this "peer
group average" in this period.

Between now and the November  15, 2000,  maturity  and  distribution  date,  the
Fund's returns will reflect changes in market interest rate levels,  but will be
primarily  impacted by the appreciation of the Fund's  investment  securities to
their face value at maturity.  A Fund share purchased on June 30, 1998, and held
to the  November 15, 2000,  maturity  date would  provide a yield to maturity of
5.7%.

As is always  the case with  target  maturity  funds  like  Treasury  2000,  the
risk/return  nature of the fund changes quite  dramatically as the maturity date
of the fund  approaches.  It will  perform  more and more like a short term bond
fund or money  market  fund.  Its  month-to-month  variability  of returns  will
decrease,  as will its overall  level of returns  (barring an extreme  change in
interest  rate  levels).  Investors  who selected this fund for its high returns
relative to the certainty of its value at maturity may be better served over the
next couple of years by either the Money Market Fund (for investors seeking high
stability  of  "principal"  and  "savings-type"  returns,  or the Bond Fund (for
investors  willing to accept  moderate  variability  in principal  values in the
pursuit of higher yields).  We encourage you to discuss these  alternatives with
your  representative  or call the CUNA Mutual Life Insurance  Company offices at
1-800-798-5500.

CIMCO Inc. Bond Management Team

<PAGE>
<TABLE>
<CAPTION>

                                                         ULTRA SERIES FUND
                                                Statement of Assets and Liabilities
                                                           June 30, 1998
                                                            (Unaudited)

                                            Capital      Growth and                                       Money        Treasury
                                         Appreciation   Income Stock     Balanced          Bond          Market          2000
Assets:                                   Stock Fund        Fund           Fund            Fund           Fund           Fund
                                          ----------        ----           ----            ----           ----           ----
Investments in securities, at value,
   (note 2) - see accompanying schedule
<S>                                 <C>            <C>             <C>            <C>             <C>             <C>               
   (cost $446,012,486)                $562,946,734   $         --    $         --   $         --    $        --     $        --
   (cost $550,515,939)                          --    742,220,248              --             --             --              --
   (cost $324,472,824)                          --             --     385,633,295             --             --              --
   (cost $200,215,863)                          --             --              --    201,810,654             --              --
   (cost $42,715,028)                           --             --              --             --     42,715,028              --
   (cost $1,558,973)                            --             --              --             --             --       1,759,666
  Receivable for securities sold           708,343        706,681         206,228          1,382             --              --
  Accrued interest receivable                   --             --       2,495,277      3,394,156             --              --
  Accrued dividends receivable             500,987      1,059,637         230,516             --             --              --
                                       -----------    -----------     -----------     ----------     ----------      ----------
    Total assets                       564,156,064    743,986,566     388,565,315    205,206,192     42,715,028       1,759,666
                                       -----------    -----------     -----------     ----------     ----------      ----------

Liabilities:
  Payable for securities purchased              --             --              --             --             --              --
  Dividends payable                             --             --              --             --          5,824              --
  Accrued expenses                         360,463        363,081         219,589         92,482         16,000           4,556
                                       -----------    -----------     -----------    -----------     ----------      ----------
    Total liabilities                      360,463        363,081         219,589         92,482         21,824           4,556
                                       -----------    -----------     -----------    -----------     ----------      ----------
Net assets applicable to
 outstanding capital stock            $563,795,601   $743,623,485    $388,345,726   $205,113,710    $42,693,204      $1,755,110
                                       ===========    ===========     ===========    ===========     ==========      ==========
Represented by:
  Capital stock, par value $.01           $263,203       $244,226        $213,700       $191,061       $426,932          $1,841
  Additional paid-in capital           445,389,683    547,421,202     325,187,831    200,953,049     42,266,272       1,522,576
  Undistributed net investment
   income                                  329,115      2,008,872       3,103,189      3,057,115             --              --
  Undistributed net realized
   gain (loss)on investments               879,351      2,244,876     (1,319,466)      (682,307)            --              --
  Unrealized appreciation
   (depreciation)on investments        116,934,249    191,704,309      61,160,471      1,594,792             --         200,693
                                       -----------    -----------     -----------    -----------     ----------      ----------

Total net assets - representing net
 assets applicable to outstanding
 capital stock                        $563,795,601   $743,623,485    $388,345,726   $205,113,710    $42,693,204      $1,755,110
                                       ===========    ===========     ===========    ===========     ==========      ==========
Number of Class Z Shares issued and
outstanding (note 5)                    26,320,320     24,422,578      21,370,036     19,106,131     42,693,204         184,138
                                       ===========    ===========     ===========    ===========     ==========      ==========
Net asset value per share of
 outstanding capital stock (note 2)         $21.42         $30.45          $18.17         $10.74          $1.00           $9.53
                                       ===========    ===========     ===========    ===========     ==========      ==========

See accompanying notes to financial statements.
</TABLE>

<PAGE>
<TABLE>
<CAPTION>

                                        CAPITAL APPRECIATION STOCK FUND OF ULTRA SERIES FUND
                                                     Investments in Securities
                                                           June 30, 1998
                                                            (Unaudited)

CAPITAL APPRECIATION STOCK                   % Net        Quality      Annualized        Maturity            Par
FUND INVESTMENTS:                           Assets        Rating*         Yield            Date            Amount            Value
                                            ------        -------         -----            ----            ------            -----
Short-Term Investments:
<S>                                 <C>            <C>             <C>            <C>             <C>             <C>               
Commercial Paper/Savings:                    3.0%
  American General Finance                                A-1/P-1         5.65%     July 28, 1998      $2,000,000       $1,991,675
  Anheuser Busch Companies                               A-1+/P-1         6.08%     July 01, 1998       3,925,000        3,925,000
  Consolidated Natural Gas                               A-1+/P-1         5.67%     July 24, 1998       2,038,000        2,030,748
  John Deere Capital Corp.                                A-1/P-1         5.63%     July 14, 1998       2,000,000        1,996,006
  Merrill Lynch & Co., Inc.                              A-1+/P-1         5.66%     July 22, 1998       7,000,000        6,991,943
  State Street Bank & Trust                                               5.00%                               746              746
                                                                                                                        ----------
     TOTAL SHORT-TERM INVESTMENTS,
     AT COST                                                                                                           $16,936,118
                                                                                                                        ----------

                                             % Net
Long-Term Investments:                      Assets                                                         Shares            Value
Common Stocks:                               96.9%

Foreign Issues:                              3.9%
  Elan Corp PLC - ADR***                                                                                  118,100       $7,595,306
  Glaxo Wellcome PLC - ADR                                                                                 89,300        5,341,256
  Telefonos de Mexico SP ADR - Cl L                                                                       191,000        9,179,938
                                                                                                                         ---------
Foreign Issues total                                                                                                    22,116,500
                                                                                                                         ---------

Domestic Issues:

Building Materials:                          1.3%
  Raychem Corporation                                                                                     240,500        7,109,780
                                                                                                                         ---------

Forest Products/Paper:                       1.7%
  Georgia-Pacific                                                                                          79,400        4,679,638
  Willamette Industries Inc.                                                                              155,900        4,988,800
                                                                                                                         ---------
     Forest Products/Paper total                                                                                         9,668,438
                                                                                                                         ---------

Insurance:                                   8.4%
  The Allstate Corporation                                                                                 96,882        8,870,758
  Everest Reinsurance Holdings, Inc                                                                       189,650        7,289,672
  Mutual Risk Management Ltd.                                                                             386,464       14,081,782
  Travelers Group, Inc.                                                                                   278,999       16,914,314
                                                                                                                         ---------
     Insurance total                                                                                                    47,156,526
                                                                                                                         ---------

Banks:                                       2.2%
  Banc One Corporation                                                                                    120,320        6,715,360
  Bankers Trust Corporation                                                                                49,600        5,756,700
                                                                                                                         ---------
     Banks total                                                                                                        12,472,060
                                                                                                                         ---------

Investment Banking/Brokerage:                3.2%
  A. G. Edwards, Inc.                                                                                     214,300        9,147,931
  Morgan Stanley Dean Witter and Co                                                                        98,600        9,009,575
                                                                                                                         ---------
     Investment Banking/
     Brokerage total                                                                                                    18,157,506
                                                                                                                         ---------

Drugs/Health Care:                           8.6%
  Aetna Inc.                                                                                              162,400       12,362,700
  ALZA Corporation                                                                                        153,900        6,656,175
  Biogen, Inc.***                                                                                          72,200        3,537,800
  Bristol-Myers Squibb Company                                                                             60,300        6,930,731
  Centocor, Inc.***                                                                                       131,700        4,774,125
  Crescendo Pharmaceuticals
    Corporation***                                                                                          6,260           79,424
  Pharmacia & Upjohn, Inc.                                                                                167,500        7,725,938
  United HealthCare Corporation                                                                            99,400        6,311,900
                                                                                                                         ---------
     Drugs/Health Care total                                                                                            48,378,793
                                                                                                                         ---------

Hospital Management/Supplies:                0.6%
  Columbia/HCA Healthcare
    Corporation                                                                                           123,700        3,602,763
                                                                                                                         ---------
<PAGE>
                                        CAPITAL APPRECIATION STOCK FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

CAPITAL APPRECIATION STOCK                   % Net
FUND INVESTMENTS, CONTINUED:                Assets                                                         Shares            Value
Retail - Discount:                           3.0%
 Consolidated Stores Corporation***                                                                       146,300    $  5,303,375
 The TJX Companies, Inc.                                                                                  288,200       6,952,825
 Wal-Mart Stores, Inc.                                                                                     78,700       4,781,025
                                                                                                                        ---------
     Retail-Discount total                                                                                             17,037,225
                                                                                                                        ---------

Retail - Department:                         4.0%
  Dayton Hudson Corporation                                                                               308,600      14,967,100
  Tiffany & Co.                                                                                           155,200       7,449,600
                                                                                                                        ---------
     Retail - Department total                                                                                         22,416,700
                                                                                                                        ---------

Retail - Drug:                               1.9%
  Rite Aid Corporation                                                                                    291,600      10,953,225
                                                                                                                        ---------

Retail-Grocery:                              2.7%
  Safeway Inc.***                                                                                         367,600      14,956,725
                                                                                                                        ---------

Media:                                       8.2%
  Cox Communications, Inc.***                                                                             240,100      11,629,844
  MediaOne Group Inc.***                                                                                  546,500      24,011,844
  PRIMEDIA Inc.***                                                                                        770,600      10,451,262
                                                                                                                        ---------
     Media total                                                                                                       46,092,950
                                                                                                                        ---------

Foods - Products & Service:                  4.3%
  General Mills, Inc.                                                                                      70,050       4,789,669
  Nabisco Holdings Corp. - Class A                                                                        204,500       7,374,781
  Sara Lee Corporation                                                                                     74,400       4,161,750
  Tyson Foods, Inc. - Class A                                                                             366,100       7,939,794
                                                                                                                        ---------
     Foods-Products & Service total                                                                                    24,265,994
                                                                                                                        ---------

Apparel/Textile:                             0.9%
  Nine West Group Inc.***                                                                                 188,400       5,051,475
                                                                                                                        ---------

Office Equipment/Computers:                  10.9%
  3Com Corporation***                                                                                     183,900       5,643,432
  EMC Corporation***                                                                                      492,300      22,061,194
  Gateway 2000, Inc.***                                                                                   185,200       9,375,750
  International Business Machines
    Corporation                                                                                            64,250       7,376,703
  Seagate Technology, Inc.***                                                                             151,700       3,612,356
  Wang Laboratories, Inc.***                                                                              526,250      13,386,484
                                                                                                                        ---------
   Office Equipment/Computers total                                                                                    61,455,919
                                                                                                                        ---------

Electronics-Semiconductors:                  3.1%
  Dallas Semiconductor Corporation                                                                        200,700       6,221,700
  Micron Technology, Inc.***                                                                              104,450       2,591,665
  Texas Instruments Incorporated                                                                          144,300       8,414,494
                                                                                                                        ---------
   Electronics-Semiconductors total                                                                                    17,227,859
                                                                                                                        ---------

Pollution Control:                           1.3%
  Waste Management, Inc.                                                                                  204,600       7,161,000
                                                                                                                        ---------

Oil/Oil Service:                             6.2%
  EVI Weatherford Inc.***                                                                                 110,000       4,083,750
  Kerr-McGee Corporation                                                                                  109,000       6,308,375
  Occidental Petroleum Corporation                                                                        296,550       8,006,850
  Unocal Corporation                                                                                      182,050       6,508,287
  USX-Marathon Group                                                                                      292,600      10,039,838
                                                                                                                        ---------
     Oil/Oil Service total                                                                                             34,947,100
                                                                                                                        ---------
<PAGE>

                                        CAPITAL APPRECIATION STOCK FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

CAPITAL APPRECIATION STOCK                   % Net
FUND INVESTMENTS, CONTINUED:                Assets                                                        Shares            Value
Containers:                                  3.7%
  Owens-Illinois, Inc.***                                                                                 469,400      $21,005,650
                                                                                                                         ---------

Chemicals:                                   2.4%
  The Dow Chemical Company                                                                                 58,000        5,607,875
  Praxair, Inc.                                                                                           171,500        8,028,345
                                                                                                                         ---------
     Chemicals total                                                                                                    13,636,220
                                                                                                                         ---------

Transportation:                              3.0%
  Delta Air Lines, Inc.                                                                                    40,150        5,189,388
  FDX Corporation***                                                                                      106,800        6,701,700
  Midwest Express Holdings, Inc.***                                                                       138,675        5,018,301
                                                                                                                         ---------
     Transportation total                                                                                               16,909,389
                                                                                                                         ---------

Telecommunications:                          3.6%
  AirTouch Communications, Inc.***                                                                        343,550       20,076,202
                                                                                                                         ---------

Utilities-Electric:                          0.8%
  PG& E Corporation                                                                                       150,150        4,739,109
                                                                                                                         ---------

Utilities-Natural Gas:                       2.2%
  Sonat, Inc.                                                                                             136,800        5,283,900
  The Williams Companies, Inc.                                                                            207,300        6,996,375
                                                                                                                         ---------
     Utilities-Natural Gas total                                                                                        12,280,275
                                                                                                                         ---------

Diversified Companies:                       0.9%
 Rockwell International Corporation                                                                       100,525        4,831,483
                                                                                                                         ---------

Miscellaneous:                               4.0%
  Cognizant Corporation                                                                                   121,300        7,641,900
  Interim Services Inc.***                                                                                456,400       14,661,850
                                                                                                                         ---------
     Miscellaneous total                                                                                                22,303,750
                                                                                                                         ---------

     TOTAL COMMON STOCKS,
     (COST: $429,076,368)                                                                                             $546,010,616
                                                                                                                       -----------

     TOTAL INVESTMENTS, CAPITAL APPRECIATION
     STOCK FUND (COST: $446,012,486)                                                                                  $562,946,734
                                                                                                                       ===========
<FN>
See accompanying notes to investments in securities.
    *Moody's/Standard  & Poors'  quality  ratings  (unaudited).  See the current
Prospectus and Statement of Additional Information for a complete description of
these ratings.
  **At June 30, 1998, the cost of securities for federal income tax purposes was
$446,052,720.   The  aggregate  unrealized   appreciation  and  depreciation  of
investments in securities based on this cost were:
        Gross unrealized appreciation.............................................. $133,022,414
        Gross unrealized depreciation..............................................  (16,128,400)
                                                                                     -----------
        Net unrealized appreciation................................................ $116,894,014
                                                                                     ===========
Tax cost and appreciation  differ from the financial statement by $40,234 due to
timing of dividend distributions.

***This Security is not income producing.
</FN>
</TABLE>

<PAGE>
<TABLE>
<CAPTION>

                                         GROWTH AND INCOME STOCK FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

GROWTH AND INCOME STOCK                      % Net        Quality      Annualized       Maturity             Par
FUND INVESTMENTS:                           Assets        Rating*         Yield           Date             Amount        Value
                                            ------        -------         -----           ----             ------        -----
<S>                                    <C>         <C>             <C>            <C>             <C>             <C>               
Short-Term Investments:
Commercial Paper/Savings:                    3.4%
  American General Finance                                A-1/P-1         5.65%     July 21, 1998      $3,000,000     $2,990,800
  Anheuser Busch Companies                                A-1/P-1         5.55%     July 07, 1998       4,000,000      3,996,326
  Associates Corp NA                                      A-1+/P-1        5.64%      Aug 11, 1998       3,000,000      2,981,072
  John Deere Capital Corp.                                A-1/P-1         5.58%     July 28, 1998       2,000,000      1,991,720
  General Electric Capital Corporation                    A-1+/P-1        5.64%      Aug 04, 1998         300,000      2,984,332
  Merrill Lynch & Co., Inc.                               A-1+/P-1        5.61%     July 01, 1998      10,436,000     10,430,620
  State Street Bank & Trust                                               5.00%                             1,125          1,125
                                                                                                                      ----------
     TOTAL COMMERCIAL PAPER/
     SAVINGS, AT COST                                                                                                $25,375,995
                                                                                                                      ----------

                                             % Net
Long-Term Investments:                      Assets                                                         Shares         Value
Common Stocks:                               94.2%

Foreign Issues:                              2.9%
  Glaxo Wellcome PLC - ADR                                                                               201,350     $12,043,247
  Philips Electronics N.V.                                                                               113,700       9,664,500
                                                                                                                       ---------
     Foreign Issues total                                                                                             21,707,747
                                                                                                                       ---------

Domestic Issues:

Forest Products/Paper:                       2.9%
   Georgia-Pacific                                                                                       152,200       8,970,287
   Kimberly-Clark Corporation                                                                            269,400      12,358,725
                                                                                                                       ---------
    Forest Products/Paper total                                                                                       21,329,012
                                                                                                                       ---------

Insurance:                                   5.7%
  The Allstate Corporation                                                                               183,684      16,818,566
  Everest Reinsurance Holdings, Inc.                                                                     231,050       8,880,984
  Travelers Group, Inc.                                                                                  278,424      16,879,455
                                                                                                                       ---------
    Insurance total                                                                                                   42,579,005
                                                                                                                       ---------

Banks:                                       6.7%
  BankAmerica Corporation                                                                                128,200      11,081,288
  Banc One Corporation                                                                                   322,740      18,012,926
  Bankers Trust Corporation                                                                               86,500      10,039,406
  NationsBank Corporation                                                                                141,500      10,824,750
                                                                                                                       ---------
    Banks total                                                                                                       49,958,370
                                                                                                                       ---------

Investment Banking/Brokerage:                2.7%
  A. G. Edwards, Inc.                                                                                    153,050       6,533,322
  Morgan Stanley Dean Witter and Co.                                                                     146,400      13,377,300
                                                                                                                       ---------
    Investment Banking/Brokerage total                                                                                19,910,622
                                                                                                                       ---------

Drugs/Health Care:                           10.6%
  Aetna Inc.                                                                                             211,000      16,062,375
  American Home Products Corporation                                                                     416,200      21,538,350
  Bristol-Myers Squibb Company                                                                           170,400      19,585,350
  Pharmacia & Upjohn, Inc.                                                                               201,700       9,303,413
  Tenet Healthcare Corporation***                                                                        383,800      11,993,750
                                                                                                                       ---------
     Drugs/Health Care total                                                                                          78,483,238
                                                                                                                       ---------

Retail - Department:                         2.0%
  Sears, Roebuck & Co.                                                                                   246,300      15,039,694
                                                                                                                       ---------

Retail - Discount:                           2.9%
  Wal-Mart Stores, Inc.                                                                                  354,200      21,517,650
                                                                                                                       ---------



<PAGE>


                                         GROWTH AND INCOME STOCK FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

GROWTH AND INCOME STOCK                      % Net
FUND INVESTMENTS, CONTINUED:                Assets                                                       Shares            Value
Retail - Drug:                               1.6%
  CVS Corporation                                                                                        306,706     $11,942,365
                                                                                                                       ---------

Media:                                       4.2%
  Cox Communications, Inc.***                                                                            156,500       7,580,469
  MediaOne Group Inc.***                                                                                 545,200      23,954,725
                                                                                                                       ---------
    Media total                                                                                                       31,535,194
                                                                                                                       ---------

Foods - Products & Service:                  6.1%
  General Mills, Inc.                                                                                    199,100      13,613,463
  Nabisco Holdings Corp. - Class A                                                                       367,700      13,260,181
  Sara Lee Corporation                                                                                   178,000       9,956,875
  Tyson Foods, Inc. - Class A                                                                            382,725       8,300,348
                                                                                                                       ---------
    Foods - Products & Service total                                                                                  45,130,867
                                                                                                                       ---------

Auto-Related:                                1.7%
  Echlin Inc.                                                                                            147,300       7,226,906
  General Motors Corporation                                                                              81,150       5,421,834
                                                                                                                       ---------
    Auto-Related total                                                                                                12,648,740
                                                                                                                       ---------

Office Equipment/Computers:                  8.7%
  Computer Associates 
    International, Inc.                                                                                  285,000      15,835,312
  EMC Corporation***                                                                                     469,100      21,021,544
  Hewlett-Packard Company                                                                                175,300      10,496,088
  International Business
    Machines Corporation                                                                                 153,000      17,566,312
                                                                                                                       ---------
    Office Equipment/Computers total                                                                                  64,919,256
                                                                                                                       ---------

Electronics:                                 4.5%
  Harris Corporation                                                                                     250,400      11,189,750
  Motorola, Inc.                                                                                         182,200       9,576,888
  Texas Instruments Incorporated                                                                         219,400      12,793,762
                                                                                                                       ---------
    Electronics total                                                                                                 33,560,400
                                                                                                                       ---------

Aerospace/Defense:                           1.4%
  United Technologies Corporation                                                                        115,300      10,665,250
                                                                                                                       ---------

Pollution Control:                           1.2%
  Waste Management, Inc.                                                                                 243,750       8,531,250
                                                                                                                       ---------

Oil/Oil Service:                             7.8%
  Amoco Corporation                                                                                      185,200       7,708,950
  Exxon Corporation                                                                                      141,200      10,069,325
  Occidental Petroleum Corporation                                                                       248,150       6,700,050
  Schlumberger Limited                                                                                   139,000       9,495,438
  Texaco Inc.                                                                                            121,100       7,228,156
  Unocal Corporation                                                                                     198,750       7,105,313
  USX-Marathon Group                                                                                     291,550      10,003,809
                                                                                                                       ---------
    Oil/Oil Service total                                                                                             58,311,041
                                                                                                                       ---------

Containers:                                  4.2%
  Crown Cork & Seal Company, Inc.                                                                        364,400      17,309,000
  Owens-Illinois, Inc.***                                                                                309,500      13,850,125
                                                                                                                       ---------
     Containers total                                                                                                 31,159,125
                                                                                                                       ---------

Chemicals:                                   3.1%
  The Dexter Corporation                                                                                 246,700       7,848,144
  The Dow Chemical Company                                                                               155,550      15,039,740
                                                                                                                       ---------
    Chemicals total                                                                                                   22,887,884
                                                                                                                       ---------



<PAGE>



                                         GROWTH AND INCOME STOCK FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

GROWTH AND INCOME STOCK                      % Net
FUND INVESTMENTS, CONTINUED:                Assets                                                       Shares            Value
Transportation:                              1.0%
  Delta Air Lines, Inc.                                                                                   55,450      $7,166,913
                                                                                                                       ---------

Railroad Equipment:                          1.9%
  Burlington Northern Santa Fe
   Corporation                                                                                            73,400       7,206,963
  Norfolk Southern Corporation                                                                           227,700       6,788,306
                                                                                                                       ---------
     Railroad Equipment total                                                                                         13,995,269
                                                                                                                       ---------

Telecommunications:                          3.1%
  AirTouch Communications, Inc.***                                                                       207,100      12,102,406
  Sprint Corporation                                                                                     157,600      11,110,800
                                                                                                                       ---------
     Telecommunications  total                                                                                        23,213,206
                                                                                                                       ---------

Utilities-Telephone:                         3.5%
  Ameritech Corporation                                                                                  225,900      10,137,263
  Bell Atlantic Corporation                                                                              135,300       6,173,063
  GTE Corporation                                                                                        179,950      10,009,718
                                                                                                                       ---------
     Utilities-Telephone total                                                                                        26,320,044
                                                                                                                       ---------

Utilities-Electric:                          2.5%
  Duke Energy Corporation                                                                                100,900       5,978,325
  Northern States Power Company                                                                          188,400       5,392,950
  PG&E Corporation                                                                                       232,300       7,331,969
                                                                                                                       ---------
    Utilities-Electric total                                                                                          18,703,244
                                                                                                                       ---------

Utilities-Natural Gas:                       1.5%
  The Williams Companies, Inc.                                                                           325,800      10,995,750
                                                                                                                       ---------

Diversified Companies:                       2.0%
  Rockwell International Corporation                                                                     177,875       8,549,117
  General Signal Corporation                                                                             169,000       6,084,000
                                                                                                                       ---------
    Diversified Companies total                                                                                       14,633,117
                                                                                                                       ---------

     TOTAL COMMON STOCKS
     (COST: $525,139,944)                                                                                           $716,844,253
                                                                                                                     -----------

     TOTAL INVESTMENTS, GROWTH AND
     INCOME STICK FUND (COST: $550,515,939)                                                                         $742,220,248
                                                                                                                     ===========


See accompanying notes to investments in securities.
<FN>
    *Moody's/Standard  & Poors'  quality  ratings  (unaudited).  See the current
Prospectus and Statement of Additional Information for a complete description of
these ratings.

  **At June 30, 1998, the cost of securities for federal income tax purposes was
$550,515,939.   The  aggregate  unrealized   appreciation  and  depreciation  of
investments in securities based on this cost were:
       Gross unrealized appreciation.............................................. $202,700,643
       Gross unrealized depreciation..............................................  (10,996,334)
                                                                                    -----------
       Net unrealized appreciation................................................ $191,704,309
                                                                                    ===========
***This Security is not income producing.
</FN>
</TABLE>

<PAGE>
<TABLE>
<CAPTION>
                                                 BALANCED FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

                                             % Net        Quality      Annualized       Maturity            Par
BALANCED FUND INVESTMENTS:                  Assets        Rating*         Yield           Date            Amount            Value
                                            ------        -------         -----           ----            ------            -----
Short-Term Investments:
<S>                                    <C>         <C>               <C>            <C>              <C>             <C>           
Commercial Paper/Savings:                    5.6%
  Anheuser Busch Companies                                A1/P1           5.61%      July 14, 1998     $3,000,000      $2,994,020
  Coca-Cola Company                                       A1+/P1          5.61%      July 07, 1998      5,000,000       4,995,408
  Consolidated Natural Gas                                A1+/P1          5.66%      July 24, 1998      5,000,000       4,982,239
  Ford Motor Credit Company                               A1/P1           5.63%      July 01, 1998      3,000,000       3,000,000
  Merrill Lynch Capital Markets                           A1+/P1          6.02%      July 01, 1998      5,731,000       5,724,490
  State Street Bank & Trust                                               5.00%                             1,247           1,247
                                                                                                                        ----------
     TOTAL COMMERCIAL PAPER/
     SAVINGS, AT COST                                                                                                  $21,697,404
                                                                                                                        ----------

                                             % Net        Quality        Coupon         Maturity            Par
U.S. Government & Agency Bonds:             Assets        Rating*         Rate            Date            Amount            Value
                                            ------        -------         ----            ----            ------            -----
Government Guaranteed:                       4.9%
  U.S. Treasury Notes                                     AAA             8.500       Feb 15, 2000        $500,000    $    522,813
  U.S. Treasury Notes                                     AAA             7.500       Nov 15, 2001       1,000,000       1,059,376
  U.S. Treasury Notes                                     AAA             5.875       Feb 15, 2004         950,000         968,110
  U.S. Treasury Notes                                     AAA             5.750       Aug 15, 2003         800,000         808,750
  U.S. Treasury Notes                                     AAA             6.500       May 15, 2005       1,100,000       1,161,532
  U.S. Treasury Notes                                     AAA             6.500       Aug 15, 2005         700,000         739,156
  U.S. Treasury Notes                                     AAA             5.875       Nov 15, 2005       7,000,000       7,137,816
  U.S. Treasury Notes                                     AAA             5.750       Apr 30, 2003       4,700,000       4,747,005
  U.S. Treasury Notes                                     AAA             5.625       Feb 15, 2006       2,000,000       2,008,752
                                                                                                                        ----------
     TOTAL GOVERNMENT GUARANTEED
     (COST:$18,910,739)                                                                                                $19,153,310
                                                                                                                        ----------

Quasi-Government/Government Sponsored:       6.8%
  Federal Home Loan Bank
    CPI Floating Rate                                     AAA             5.421       Feb 20, 2007      $5,000,000    $  4,752,850
  Federal Home Loan Mortgage Corp.
    1455 HA                                               AAA             7.900       Jun 15, 2021       3,344,000       3,631,470
  Federal Home Loan Mortgage Corp.
    1378 H                                                AAA            10.000       Jan 15, 2021       2,250,000       2,534,398
  Federal Home Loan Mortgage Corp.
    1978 AD                                               AAA             7.000       Apr 15, 2025       2,045,655       2,068,585
  Federal National Mortgage Assn.
    89-82 G                                               AAA             8.400       Nov 25, 2019       1,600,000       1,667,835
  Federal National Mortgage Assn.
    Strip 282-2****                                       AAA             7.000       Sep 01, 2025       7,072,659       1,796,307
  Federal National Mortgage Assn.
    97-29 PL****                                          AAA             7.500       Aug 18, 2026       8,000,000       2,601,936
  Federal National Mortgage Assn.
    96-M6  G                                              AAA             7.750       Sep 17, 2023       4,000,000       4,225,000
  Federal National Mortgage Assn.
    97-57 PT****                                          AAA             8.000       Mar 18, 2024       8,000,000       1,795,352
  Federal National Mortgage Assn.
    Strip 272-2****                                       AAA             7.500       July 01, 2026      6,322,901       1,149,567
                                                                                                                        ----------
     TOTAL QUASI-GOVERNMENT/GOVERNMENT
     SPONSORED (COST:$28,100,678)                                                                                      $26,223,300
                                                                                                                        ----------

Sovereign Issues:                            1.7%
  Brazil - Global                                         B-1/BB          8.875       Nov 05, 2001      $2,500,000      $2,493,750
  Columbia, Republic                                      BAA-3/BBB-      7.250       Feb 23, 2004       3,000,000       2,804,055
  United Mexican States                                   Ba-2/BB         9.875       Jan 15, 2007       1,300,000       1,362,400
                                                                                                                        ----------
     TOTAL SOVEREIGN ISSUES (COST:$6,914,884)                                                                           $6,660,205
                                                                                                                        ----------

U.S Corporate Bonds:                         29.4%

Building Materials:                          0.1%
  Stanley Works                                           A-2/A           7.375       Dec 15, 2002        $250,000        $263,461
                                                                                                                         ---------

Drug/Health Care:                            0.6%
  Abbott Laboratories, Inc.                               AA-1/AAA        6.800       May 15, 2005         500,000         526,292
  American Home Products, Corp.                           A-2/A           7.700       Feb 15, 2000       1,050,000       1,077,737
  Bergen Brunswig                                         BAA-1/A-        7.250       Jun 01, 2005         500,000         529,462
  Bergen Brunswig                                         BAA-1/A-        7.375       Jan 15, 2003         113,000         118,484
                                                                                                                         ---------
     Drug/Health Care total                                                                                              2,251,975
                                                                                                                         ---------
<PAGE>
                                                 BALANCED FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

BALANCED FUND INVESTMENTS,                   % Net        Quality        Coupon         Maturity            Par
CONTINUED:                                  Assets        Rating*         Rate            Date            Amount            Value
                                            ------        -------         ----            ----            ------            -----
Electronics:                                 0.3%
  Motorola Inc                                            AA-3/AA         6.500       Sep 01, 2025       $  50,000    $     52,558
  Raytheon Co.                                            BAA-1/BBB       6.500       Jul 15, 2005         530,000         541,626
  Texas Instruments, Inc.                                 A-3/A           9.000       Mar 15, 2001         500,000         537,453
                                                                                                                         ---------
     Electronics total                                                                                                   1,131,637
                                                                                                                         ---------

Forest Products/Paper:                       3.6%
  Carter Holt Harvery                                     BAA-2/BBB+      8.875       Dec 01, 2004       2,800,000       3,182,698
  Champion International Corp.                            BAA-1/BBB       6.400       Feb 15, 2026       6,000,000       6,162,828
  International Paper                                     A-3/A-          7.500       May 15, 2004       2,800,000       2,983,285
  Kimberly Clark Corp.                                    AA-2/AA         9.000       Aug 01, 2000         750,000         794,891
  Weyerhaeuser Company                                    A-2/A           8.375       Feb 15, 2007         800,000         912,133
                                                                                                                         ---------
     Forest Products/Paper total                                                                                        14,035,835
                                                                                                                         ---------

Hospital Supplies:                           1.0%
  Baxter International, Inc.                              A-3/A           7.625       Nov 15, 2002         250,000         264,469
  Columbia/HCA Healthcare Corporation                     BAA-2/BBB       6.125       Dec 15, 2000       1,000,000         970,339
  Columbia/HCA Healthcare Corporation                     BAA-2/BBB       8.020       Aug 05, 2002       2,000,000       2,007,330
  Columbia/HCA Healthcare Corporation                     BAA-2/BBB       6.910       Jun 15, 2005         700,000         677,201
                                                                                                                         ---------
     Hospital Supplies total                                                                                             3,919,339
                                                                                                                         ---------

Insurance/Casualty:                          2.7%
  Aetna Services                                          A-2/A           7.125       Aug 15, 2006       2,800,000       2,922,007
  Equitable Life Assoc                                    A-2/A           6.950       Dec 01, 2005       1,050,000       1,090,783
  Hartford Life                                           A-2             7.100      June 15, 2007       3,500,000       3,682,983
  Lincoln National Corp.                                  A-2/A           6.500       Mar 15, 2008       2,400,000       2,428,210
  Lincoln National Corp.                                  A-2/A           7.250       May 15, 2005         500,000         526,870
                                                                                                                         ---------
     Insurance/Casualty total                                                                                           10,650,853
                                                                                                                         ---------

Investment Banking/Brokerage:                3.1%
  Donaldson, Lufkin Jenrette, Inc.                        A-3/A-          6.875       Nov 01, 2005         300,000         310,320
  Merrill Lynch & Co., Inc.                               AA-3/AA-        6.250       Jan 15, 2006         650,000         654,914
  Merrill Lynch & Co., Inc.                               AA-3/AA-        7.000       Mar 15, 2006       1,000,000       1,049,450
  Merrill Lynch & Co., Inc.                               AA-3/AA-        7.375       May 15, 2006       3,000,000       3,220,293
  Paine Webber Group                                      BAA-1/BBB+      6.750       Feb 01, 2006       1,000,000       1,022,564
  Salomon Inc.                                            A-2/A           7.375       May 15, 2007       3,800,000       4,071,095
  Salomon Inc.                                            A-2/A           7.200       Feb 01, 2004       1,500,000       1,567,835
                                                                                                                         ---------
     Investment Banking/Brokerage total                                                                                 11,896,471
                                                                                                                         ---------

Finance Co. - Consumer Loan:                 1.7%
  American General Finance                                A-2/A+          7.125       Dec 01, 1999         500,000         508,048
  Household Finance Co.                                   A-2/A           7.125        Sep 01,2005         500,000         523,472
  Norwest Financial Inc.                                  AA-3/AA-        7.875       Feb 15, 2002         500,000         531,076
                                                                                                                         ---------
     Finance Co. - Consumer Loan total                                                                                   1,562,596
                                                                                                                         ---------

Mortgage Related Securities:                 6.7%
  Chase Commerical Mortgage Security                      A/A             6.600       Dec 19, 2007       4,800,000       4,837,992
  Deutsche Mortgage                                       A/A-2           6.861       Mar 15, 2008       5,000,000       5,133,525
  First Plus Home Loan                                    Aaa/AAA         6.490      July 10, 2017       4,891,000       4,943,602
  First Union Lehman Brothers                             A/A-2           7.440       Apr 18, 2029       5,500,000       5,827,718
  GMAC Commerical Mortgage                                Baa/BBB         7.730       Oct 15, 2028       5,204,500       5,489,785
  Residential Funding                                     Aaa/AAA         6.220      July 25, 2013       4,800,000       4,804,500
                                                                                                                         ---------
     Mortgage Related Securities total                                                                                  31,037,122
                                                                                                                         ---------

Media:                                       0.2%
  Cox Communications                                      BAA-2/A-        6.875       Jun 15, 2005         500,000         519,436
  McGraw-Hill, Inc.                                       A-1             9.430       Sep 01, 2000         250,000         266,382
                                                                                                                         ---------
     Media total                                                                                                           785,818
                                                                                                                         ---------
<PAGE>
                                                 BALANCED FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

BALANCED FUND INVESTMENTS,                   % Net        Quality        Coupon         Maturity            Par
CONTINUED:                                  Assets        Rating*         Rate            Date            Amount            Value
                                            ------        -------         ----            ----            ------            -----
Publishing-News:                             0.1%
  Knight Ridder, Inc.                                     A-3/A           8.500       Sep 01, 2001        $500,000        $513,836
                                                                                                                         ---------

Retail-Department:                           0.1%
  Dayton Hudson Corp.                                     BAA-1/BBB+      9.750       Nov 01, 1998         500,000         505,812
                                                                                                                         ---------

Foods-Products & Services:                   0.5%
  Nabisco Holdings Corporation                            BAA-2/BBB       6.850      June 15, 2005       2,000,000       2,041,072
                                                                                                                         ---------

Auto-Related:                                1.7%
  Borg-Warner Automotive                                  BAA-2/BBB+      7.000       Nov 01, 2006       1,150,000       1,203,504
  Ford Motor Company                                      A-1/A           7.500       Nov 15, 1999         500,000         509,052
  Ford Motor Company                                      A-1/A           6.000       Jan 14, 2003       4,800,000       4,787,491
                                                                                                                         ---------
     Auto-Related total                                                                                                  6,500,047
                                                                                                                         ---------

Electric Household Appliances:               0.1%
  Maytag Corporation                                      A-3/BBB+        9.750       May 15, 2002         250,000         280,808
                                                                                                                         ---------

Finance-Diversified:                         0.1%
  Associate Corp of N America                             AA-3/AA-        5.250       Sep 01, 1998          40,000          39,963
  Dow Capital B.V.                                        A-1/A           7.125       Jan 15, 2003         250,000         261,143
                                                                                                                         ---------
     Finance-Diversified total                                                                                             301,106
                                                                                                                         ---------

Engineering/Construction Services:           0.3%
  Foster Wheeler Corp.                                    BAA-2/BBB       6.750       Nov 15, 2005       1,020,000       1,031,035
                                                                                                                         ---------

Machinery/Tools:                             0.1%
  Giddings & Lewis                                        BA-1            7.500       Oct 01, 2005         500,000         532,286
                                                                                                                         ---------

Office Equipment/Computers:                  0.1%
  Xerox Corporation                                       A-2/A           7.150       Aug 01, 2004         300,000         317,147
                                                                                                                         ---------

Oil/Oil Service:                             0.6%
  Enron Corp.                                             BAA-2/BBB+      7.625       Sep 10, 2004         500,000         536,628
  Mobil Corporation                                       AA-2/AA         8.375       Feb 12, 2001         500,000         526,875
  Shell Canada, Ltd.                                      AA-2/AA         8.875       Jan 14, 2001         500,000         534,905
  Union Oil California                                    BAA-1/BBB+      7.200       May 15, 2005         500,000         528,629
                                                                                                                         ---------
     Oil/Oil Service total                                                                                               2,127,037
                                                                                                                         ---------

Chemicals:                                   0.3%
  PPG Industries, Inc.                                    A-1/A           6.875       Aug 01, 2005         500,000         527,499
  Union Carbide Corporation                               BAA-2/BBB       6.790       Jun 01, 2025         700,000         720,086
                                                                                                                         ---------
     Chemicals total                                                                                                     1,247,585
                                                                                                                         ---------

Specialty Chemicals:                         0.1%
  Praxair, Inc.                                           A-3/BBB+        6.850       Jun 15, 2005         500,000         519,818
                                                                                                                         ---------

Transportation:                              1.9%
  American Airlines                                       A-3/BBB         8.040       Sep 16, 2011       1,000,000       1,091,345
  Burlington Northern Inc.                                BAA-2/BBB       7.400       May 15, 1999         500,000         505,874
  Delta Air Lines                                         BAA-1/BBB       8.540       Jan 02, 2007       1,408,928       1,527,968
  Federal Express                                         A-3/BBB+        7.850       Jan 30, 2015         977,180       1,085,672
  Federal Express                                         A-3/BBB+        7.890       Sep 23, 2008         500,000         538,073
  Golden State Petroleum Transport Corp.                  AA-2/BB+        8.040       Feb 01, 2019       2,000,000       2,215,264
  United Airlines                                         Baa-1/BBB       9.020       Apr 19, 2012         462,541         537,123
                                                                                                                         ---------
     Transportation total                                                                                                7,501,319
                                                                                                                         ---------
<PAGE>

                                                 BALANCED FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

BALANCED FUND INVESTMENTS,                   % Net        Quality        Coupon         Maturity            Par
CONTINUED:                                  Assets        Rating*         Rate            Date            Amount            Value
                                            ------        -------         ----            ----            ------            -----
Aerospace/Defense:                           0.8%
  Northrop - Grumman                                      BAA-3/BBB+      7.000       Mar 01, 2006      $3,000,000      $3,117,987
                                                                                                                         ---------

Utilities-Telephone:                         1.2%
  Alltel Corporation                                      A-2/A+          7.250       Apr 01, 2004         500,000         525,234
  GTE-Hawaii                                              BAA-2/A         7.375      Sept 01, 2003       3,000,000       3,198,936
  GTE Corporation                                         BAA-1/A         9.100       Jun 01, 2003         500,000         562,693
  Northwestern Bell Telephone Co.                         AA-3/A          9.500       May 01, 2000         250,000         265,342
                                                                                                                         ---------
     Utilities-Telephone total                                                                                           4,552,205
                                                                                                                         ---------

Utilities-Electric:                          0.4%
  Midwest Power Systems                                   A-2/AA-         7.125       Feb 01, 2003         250,000         260,835
  Pacific Gas & Electric Co.                              A-1/AA-         6.250       Aug 01, 2003         300,000         303,111
  Pacificorp                                              A-2/A           6.750       Apr 01, 2005         500,000         513,958
  Wisconsin Public Service, Inc.                          AA-2/AA+        7.300       Oct 01, 2002         500,000         525,566
                                                                                                                         ---------
     Utilities-Electric total                                                                                            1,603,470
                                                                                                                         ---------

Utilities-Natural Gas Pipeline:              1.1%
  Burlington Resources Inc.                               A-3/A-          9.625       Jun 15, 2000         250,000         266,437
  Cincinnati Gas & Electric                               A-3/A-          6.450       Feb 15, 2004       1,000,000       1,017,188
  Transcontinental Gas                                    A-2/BBB         6.125       Jan 15, 2005       2,800,000       2,795,139
                                                                                                                         ---------
     Utilities-Natural Gas Pipeline total                                                                                4,078,764
                                                                                                                         ---------

Pollution Control                            0.8%
  WMX Technologies                                        BAA-1/BBB       7.000       May 15, 2005       2,900,000       2,997,452
                                                                                                                         ---------

Metals/Copper                                0.4%
  Magma Copper                                            A-2             8.700       May 15, 2005       1,400,000       1,590,548
                                                                                                                         ---------

Diversified Companies:                       0.1%
  Whitman Corporation                                     BAA-2/BBB+      7.500       Feb 01, 2003         300,000         315,405
                                                                                                                         ---------

     TOTAL U.S. CORPORATE BONDS,
     AT COST: ($116,472,410)                                                                                          $119,209,846
                                                                                                                       -----------

                                             % Net
                                            Assets                                                         Shares           Value
Common Stocks:                               49.6%

Foreign Issues:                              1.5%
  Glaxo Wellcome PLC - ADR                                                                                  38,150      $2,281,846
  Philips Electronics N.V.                                                                                  18,500       1,572,500
  Telefonos de Mexico  SP ADR - Cl L                                                                        39,000       1,874,438
                                                                                                                         ---------
     Foreign Issues total                                                                                                5,728,784
                                                                                                                         ---------

Building Materials:                          0.6%
  Raychem Corporation                                                                                       72,300       2,137,369
                                                                                                                         ---------

Forest Products/Paper:                       1.3%
  Georgia-Pacific Group                                                                                     26,400       1,555,950
  Kimberly-Clark Corporation                                                                                44,700       2,050,613
  Willamette Industries Inc.                                                                                49,800       1,593,600
                                                                                                                         ---------
     Forest Products/Paper total                                                                                         5,200,163
                                                                                                                         ---------

Insurance:                                   2.7%
  The Allstate Corporation                                                                                  45,357       4,153,000
  Everest Reinsurance Holdings, Inc.                                                                        45,500       1,748,906
  Travelers Group, Inc.                                                                                     73,086       4,430,839
                                                                                                                         ---------
     Insurance total                                                                                                    10,332,745
                                                                                                                         ---------
<PAGE>
                                                 BALANCED FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

BALANCED FUND INVESTMENTS,                   % Net
CONTINUED:                                  Assets                                                         Shares           Value
Banks:                                       2.9%
  Banc One Corporation                                                                                      62,390    $  3,482,142
  BankAmerica Corporation                                                                                   23,300       2,013,994
  Bankers Trust Corporation                                                                                 21,000       2,437,312
  NationsBank Corporation                                                                                   42,600       3,258,900
                                                                                                                         ---------
     Banks total                                                                                                        11,192,348
                                                                                                                         ---------

Investment Banking/Brokerage:                1.3%
  A. G. Edwards, Inc.                                                                                       54,600       2,330,738
  Morgan Stanley Dean Witter and Co.                                                                        29,400       2,686,425
                                                                                                                         ---------
     Investment Banking/Brokerage total                                                                                  5,017,163
                                                                                                                         ---------

Drugs/Health Care:                           5.1%
  Aetna Inc.                                                                                                58,400       4,445,700
  American Home Products Corporation                                                                        95,600       4,947,300
  Bristol-Myers Squibb Company                                                                              40,200       4,620,488
  Centocor, Inc.***                                                                                         39,100       1,417,375
  Pharmacia & Upjohn, Inc.                                                                                  52,000       2,398,500
  United HealthCare Corporation                                                                             32,300       2,051,050
                                                                                                                         ---------
     Drugs/Health Care total                                                                                            19,880,413
                                                                                                                         ---------

Hospital Management/Supplies:                0.4%
  Columbia/HCA Healthcare Corporation                                                                       58,450       1,702,356
                                                                                                                         ---------

Retail-Deptarment:                           2.3%
  Dayton Hudson Corporation                                                                                 72,800       3,530,800
  Sears, Roebuck & Co.                                                                                      45,700       2,790,556
  Tiffany & Co.                                                                                             57,000       2,736,000
                                                                                                                         ---------
     Retail-Deptarment  total                                                                                            9,057,356
                                                                                                                         ---------

Retail - Discount:                           1.0%
  Wal-Mart Stores, Inc.                                                                                     66,200       4,021,650
                                                                                                                         ---------

Retail - Drug:                               0.7%
  CVS Corporation                                                                                           74,252       2,891,187
                                                                                                                         ---------

Retail - Grocery:                            0.8%
  Safeway Inc.***                                                                                           72,600       2,953,913
                                                                                                                         ---------

Media:                                       3.2%
  Cox Communications, Inc.***                                                                               66,700       3,230,781
  MediaOne Group Inc.***                                                                                   159,100       6,990,456
  PRIMEDIA Inc.                                                                                            171,500       2,325,969
                                                                                                                         ---------
     Media total                                                                                                        12,547,206
                                                                                                                         ---------

Foods - Products & Services:                 2.7%
  General Mills, Inc.                                                                                       38,400       2,625,600
  Nabisco Holdings Corp. - Class A                                                                          99,900       3,602,644
  Sara Lee Corporation                                                                                      30,300       1,694,906
  Tyson Foods, Inc. - Class A                                                                              113,825       2,468,580
                                                                                                                         ---------
     Foods-Food Products total                                                                                          10,391,730
                                                                                                                         ---------

Auto-Related:                                0.4%
  General Motors Corporation                                                                                21,600       1,443,150
                                                                                                                         ---------
<PAGE>
                                                 BALANCED FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

BALANCED FUND INVESTMENTS,                   % Net
CONTINUED:                                  Assets                                                         Shares           Value
Office Equipment/Computers:                  5.5%
  EMC Corporation***                                                                                       127,800    $  5,727,037
  Gateway 2000, Inc.***                                                                                     47,200       2,389,500
  Hewlett-Packard Company                                                                                   35,700       2,137,538
  International Business Machines Corporation                                                               41,600       4,776,200
  Seagate Technology, Inc.***                                                                               38,000         904,875
  3Com Corporation***                                                                                       82,600       2,534,788
  Wang Laboratories, Inc. ***                                                                              112,500       2,861,718
                                                                                                                         ---------
     Office Equipment/Computers total                                                                                   21,331,656
                                                                                                                         ---------

Electronics:                                 1.5%
  Micron Technology, Inc.***                                                                                37,450         929,228
  Motorola, Inc.                                                                                            48,400       2,544,025
  Texas Instruments Incorporated                                                                            40,000       2,332,500
                                                                                                                         ---------
     Electronics total                                                                                                   5,805,753
                                                                                                                         ---------

Pollution Control:                           0.5%
  Waste Management, Inc.                                                                                    55,900       1,956,500
                                                                                                                         ---------

Oil/Oil Service:                             4.0%
  Amoco Corporation                                                                                         45,300       1,885,612
  Exxon Corporation                                                                                         32,000       2,282,000
  Kerr-McGee Corporation                                                                                    30,100       1,742,038
  Occidental Petroleum Corporation                                                                          56,600       1,528,200
  Schlumberger Limited                                                                                      35,600       2,431,925
  Unocal Corporation                                                                                        86,200       3,081,650
  USX-Marathon Group                                                                                        72,400       2,484,225
                                                                                                                         ---------
     Oil/Oil Service total                                                                                              15,435,650
                                                                                                                         ---------

Containers:                                  1.7%
  Crown Cork & Seal Company, Inc.***                                                                        39,200       1,862,000
  Owens-Illinois, Inc.***                                                                                  108,500       4,855,375
                                                                                                                         ---------
     Containers total                                                                                                    6,717,375
                                                                                                                         ---------

Chemicals:                                   1.3%
  The Dow Chemical Company                                                                                  24,800       2,397,850
  Praxair, Inc.                                                                                             54,600       2,555,963
                                                                                                                         ---------
     Chemicals total                                                                                                     4,953,813
                                                                                                                         ---------

Transportation:                              1.0%
  Delta Air Lines, Inc.                                                                                     12,000       1,551,000
  FDX Corporation***                                                                                        35,900       2,252,725
                                                                                                                         ---------
     Transportation total                                                                                                3,803,725
                                                                                                                         ---------

Railroad Equipment:                          0.5%
  Norfolk Southern Corporation                                                                              60,100       1,791,731
                                                                                                                         ---------

Aerospace/Defense:                           0.5%
  United Technologies Corporation                                                                           21,800       2,016,500
                                                                                                                         ---------

Telecommunications:                          1.4%
  AirTouch Communications, Inc.***                                                                          95,850       5,601,234
                                                                                                                         ---------

Utilities-Telephone:                         1.8%
  Ameritech Corporation                                                                                     53,000       2,378,375
  Bell Atlantic Corporation                                                                                 50,000       2,281,250
  GTE Corporation                                                                                           44,100       2,453,063
                                                                                                                         ---------
     Utilities-Telephone total                                                                                           7,112,688
                                                                                                                         ---------
<PAGE>
                                                 BALANCED FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

BALANCED FUND INVESTMENTS,                   % Net
CONTINUED:                                  Assets                                                         Shares           Value
Utilities-Electric:                          0.8%
  Northern States Power Company                                                                             58,200      $1,665,975
  PG&E Corporation                                                                                          48,050       1,516,578
                                                                                                                         ---------
     Utilities-Electric total                                                                                            3,182,553
                                                                                                                         ---------

Utilities-Natural Gas:                       0.7%
  The Williams Companies, Inc.                                                                              79,900       2,696,625
                                                                                                                         ---------

Diversified Companies:                       0.4%
  Rockwell International Corporation                                                                        32,500       1,562,031
                                                                                                                         ---------

Miscellaneous:                               1.1%
  Cognizant Corporation                                                                                     31,300       1,971,900
  Interim Services Inc.***                                                                                  70,100       2,251,963
                                                                                                                         ---------
     Miscellaneous total                                                                                                 4,223,863
                                                                                                                         ---------

     TOTAL COMMON STOCKS,
     AT COST: ($132,376,709)                                                                                          $192,689,230
                                                                                                                       -----------

     TOTAL INVESTMENTS, BALANCED FUND
     (COST: $324,472,824)                                                                                             $385,633,295
                                                                                                                       ===========

<FN>
See accompanying notes to investments in securities.
    *Moody's/Standard  & Poors'  quality  ratings  (unaudited).  See the current
Prospectus and Statement of Additional Information for a complete description of
these ratings.

    **At June 30, 1998,  the cost of securities  for federal income tax purposes
was  $324,472,824.  The aggregate  unrealized  appreciation  and depreciation of
investments in securities based on this cost were:

      Gross unrealized appreciation............................................... $67,147,812
      Gross unrealized depreciation...............................................  (5,987,341)
                                                                                     ---------
      Net unrealized appreciation................................................. $61,160,471
                                                                                    ==========

  ***This security is not income producing.

****This security  provides a claim on the interest  component of the underlying
mortgages,  but not on their principal  component.  That is, the security's cash
flows  depend on the amount of principal  outstanding  at the payment  date.  If
prepayments on the underlying  mortgages are higher than expected,  the yield on
the security may be adversely affected.
</FN>
</TABLE>

<PAGE>
<TABLE>
<CAPTION>
                                                   BOND FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

                                             % Net        Quality      Annualized       Maturity            Par
BOND FUND INVESTMENTS:                      Assets        Rating*         Yield           Date            Amount            Value
                                            ------        -------         -----           ----            ------            -----
Short-Term Investments:
<S>                                    <C>         <C>               <C>          <C>              <C>             <C>             
Commercial Paper/Savings:                    1.5%
  Anheuser Bush Companies                                 A-1/P-1         6.08%       July 01,1998      $3,000,000      $3,000,000
  State Street Bank & Trust                                               5.00%                              1,221           1,221
                                                                                                                         ---------
     TOTAL SHORT-TERM INVESTMENTS,
     AT COST                                                                                                            $3,001,221
                                                                                                                         ---------
                                             % Net        Quality        Coupon         Maturity            Par
                                            Assets        Rating*         Rate            Date            Amount            Value
U.S. Government & Agency Bonds:
Government Guaranteed:                       9.8%
Private Export Funding                                    AAA             5.650       Mar 15, 2003        $250,000        $249,873
  U.S. Treasury Note                                      AAA             5.750       Aug 15, 2003       5,300,000       5,357,971
  U.S. Treasury Note                                      AAA             5.625       Apr 30, 2000      10,000,000      10,021,880
  U.S. Treasury Note                                      AAA             5.500       Mar 31, 2003       4,500,000       4,498,596
                                                                                                                        ----------
     Government Guaranteed total
     (COST: $20,039,532)                                                                                               $20,128,320
                                                                                                                        ----------
Quasi-Government/Government Sponsored:       4.4%
  Federal Home Loan Bank
    CPI Floating Rate                                     AAA             5.421       Feb 20, 2007      $2,000,000      $1,901,140
  Federal Home Loan Mortgage Corp.
    1455 HA                                               AAA             7.900       Jun 15, 2021         836,000         907,868
  Federal Home Loan Mortgage Corp.
    1378 H                                                AAA            10.000       Jan 15, 2021         750,000         844,799
  Federal Home Loan Mortgage Corp.
    1978 AD                                               AAA             7.000       Apr 15, 2025       1,000,000       1,011,209
  Federal Home Loan Mortgage Corp.
    Strip 282 2***                                        AAA             7.000       Sep 01, 2025       1,768,164         449,076
  Federal National Mortgage Association
    89-82 G                                               AAA             8.400       Nov 25, 2019         400,000         416,959
  Federal National Mortgage Association
    96-M6 G                                               AAA             7.750       Sep 17, 2023       1,000,000       1,056,250
  Federal National Mortgage Association
    97-29 PL***                                           AAA             7.500       Aug 18, 2026       4,000,000       1,300,968
  Federal National Mortgage Association
    97-57 PT***                                           AAA             8.000       Mar 18, 2024       4,000,000         897,676
  Federal National Mortgage Association
    Strip 272 2***                                        AAA             7.500       Jul 01, 2026       1,580,725         287,392
                                                                                                                         ---------
     Quasi-Government/Government 
      Sponsored total(COST: $9,905,032)                                                                                $9,073,337
                                                                                                                         ---------
Non - U.S. Government Bonds:

Canadian Provincials:                        2.2%
  Nova Scotia Prov of                                     A-3/A-          9.735       Jul 15, 2002      $1,000,000      $1,120,110
  Ontario, Province of                                    AA-3/AA-        7.750       Jun 04, 2002       1,000,000       1,064,450
  Quebec Province of                                      A-2/A+          9.125       Mar 01, 2000         250,000         262,730
  Saskatchewan Province of                                A-3/A           7.125       Mar 15, 2008       2,000,000       2,150,820
                                                                                                                         ---------
     Canadian Provincials total                                                                                          4,598,110
                                                                                                                         ---------
Sovereign Issues:                            1.9%
  Brazil - Global                                         B-1/BB-         8.875       Nov 05, 2001         500,000         498,750
  Columbia, Republic                                      BAA-3/BBB-      7.250       Feb 23, 2004       2,000,000       1,869,370
  United Mexican States                                   Ba2/BB          9.875       Jan 15, 2007       1,500,000       1,572,000
                                                                                                                         ---------
     Sovereign Issues total                                                                                              3,940,120
                                                                                                                         ---------
     TOTAL NON - U.S. GOVERNMENT BONDS,
     (COST: $8,559,294)                                                                                                 $8,538,230
                                                                                                                         ---------
U.S. Corporate Bonds:                        70.3%

Forest Products/Paper:                       5.2%
  Boise Cascade Corp.                                     BAA-3/BBB-      9.450       Nov 01, 2009        $500,000     $   602,877
  Boise Cascade Corp.                                     BAA-3/BBB-      9.875       Feb 15, 2001         500,000         507,603
  Carter Holt Harvey                                      BAA-2/BBB+      8.875       Dec 01, 2004       1,000,000       1,136,678
  Champion International Corp.                            BAA-1/BBB       6.400       Feb 15, 2026       6,000,000       6,162,828
  Chesapeake Corp.                                        BAA-3/BBB       7.200       Mar 15, 2005       1,000,000       1,045,991
  Kimberly-Clark Corp.                                    AA-2/AA         9.000       Aug 01, 2000         600,000         635,912
  Scott Paper-Defeased                                    AA-3/AA        10.000       Mar 01, 2002         500,000         566,837
                                                                                                                         ---------
     Forest Products/Paper total                                                                                        10,658,726
                                                                                                                         ---------
<PAGE>
                                                   BOND FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

BOND FUND INVESTMENTS,                       % Net        Quality        Coupon         Maturity            Par
CONTINUED:                                  Assets        Rating*         Rate            Date            Amount            Value
                                            ------        -------         ----            ----            ------            -----
Investment Banking/Brokerage:                13.2%
  Bear Stearns                                            A-2/A           6.750       Apr 15, 2003      $1,000,000    $  1,024,429
  Dean Witter Discover                                    A-1/A+          6.750       Oct 15, 2013       2,500,000       2,587,668
  Dean Witter Discover                                    A-1/A+          6.300       Jan 15, 2006       1,000,000       1,005,755
  Donaldson, Lufkin, Jenrette, Inc.                       A-3/A-          6.875       Nov 01, 2005         700,000         724,080
  Lehman Brothers Holdings                                BAA-1/A         7.125       Sep 15, 2003       1,000,000       1,040,590
  Lehman Brothers Holdings                                BAA-1/A         6.088       Sep 10, 2001       1,000,000         999,425
  Merrill Lynch & Co.,  Inc.                              AA-3/AA-        6.250       Jan 15, 2006         350,000         352,646
  Paine Webber Group                                      BAA-1/BBB+      6.750       Feb 01, 2006         700,000         715,795
  Paine Webber Inc.                                       BAA-1/BBB+      7.875       Feb 15, 2003       1,000,000       1,065,050
  Salomon Inc.                                            A-2/A           7.375       May 15, 2007       1,000,000       1,071,341
  Salomon Inc.                                            A-2/A           7.200       Feb 01, 2004       3,500,000       3,658,281
  Salomon Inc.                                            A-2/A           7.500       Feb 01, 2003       2,000,000       2,107,900
                                                                                                                         ---------
     Investment Banking/Brokerage total                                                                                 16,352,960
                                                                                                                         ---------

Finance Co. - Consumer Loans:                3.3%
  Household Finance Co.                                   A-2/A           7.125       Sep 01, 2005       1,735,000       1,816,446
                                                                                                                         ---------

Finance/Insurance:                           1.9%
  Aetna Services                                          A-2/A           7.125       Aug 15, 2006       3,000,000       3,130,722
  Equitable Life Assurance                                A-2/A           6.950       Dec 01, 2005         792,000         822,762
                                                                                                                         ---------
     Finance/ Insurance total                                                                                            3,953,484
                                                                                                                         ---------

Finance - Diversified:                       1.5%
  Ameritech Capital                                       AA-3/AA+        7.500       Apr 01, 2005       2,000,000       2,166,916
  Dow Capital                                             A-1/A           7.125       Jan 15, 2003         900,000         940,115
                                                                                                                         ---------
     Finance - Diversified total                                                                                         3,107,031
                                                                                                                         ---------

Mortgage Related Securities:                 2.3%
  Chase Commerical Mortgage Security                      A/A             6.600       Dec 19, 2007       4,800,000       4,837,992
  Deutsche Mortgage                                       A/A-2           6.861      June 15, 2031       5,000,000       5,133,525
  First Plus Home Loan                                    Aaa/AAA         6.490      July 10, 2017       5,000,000       5,053,775
  First Union Lehman Brothers                             A/A-2           7.440       Apr 18, 2029       5,500,000       5,827,717
  GMAC Commerical Mortgage                                Baa/BBB         7.73        Oct 15, 2028       5,204,500       5,489,785
  Residential Funding                                     Aaa/AAA         6.220      July 25, 2013       4,800,000       4,804,500
                                                                                                                         ---------
     Mortgage Related Securities total                                                                                  31,147,294
                                                                                                                         ---------

Drugs/Health Care:                           0.3%
  American Home Products                                  A-2/A           7.700       Feb 15, 2000         530,000         544,000
                                                                                                                         ---------

Hospital Management/Supplies                 2.5%
  Columbia/HCA Healthcare Corporation                     BAA-2/BBB       6.125       Dec 15, 2000       1,800,000       1,746,610
  Columbia/HCA Healthcare Corporation                     BAA-2/BBB       8.020       Aug 05, 2002       3,000,000       3,010,995
  Columbia/HCA Healthcare Corporation                     BAA-2/BBB       6.910       Jun 15, 2005         300,000         290,229
                                                                                                                         ---------
     Hospital Management/Supplies total                                                                                  5,047,834
                                                                                                                         ---------

Media:                                       0.1%
  McGraw-Hill, Inc.                                       A-1             9.430       Sep 01, 2000         100,000         106,553
                                                                                                                         ---------

Publishing-News:                             0.3%
  Knight Ridder                                           A-3/A           8.500       Sep 01, 2001         530,000         544,666
                                                                                                                         ---------

Packaged Food Products                       1.4%
  Nabisco, Inc.                                           BAA-2/BBB       6.85       June 15, 2005       2,800,000       2,857,501
                                                                                                                         ---------

Retail-Department:                           0.3%
  Dayton Hudson Corp.                                     BAA-1/BBB+      9.750       Nov 01, 1998         250,000         252,906
  Dayton Hudson Corp.                                     BAA-1/BBB+      7.250       Sep 01, 2004         310,000         328,609
                                                                                                                         ---------
     Retail-Department total                                                                                               581,515
<PAGE>
                                                   BOND FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

BOND FUND INVESTMENTS,                       % Net        Quality        Coupon         Maturity            Par
CONTINUED:                                  Assets        Rating*         Rate            Date            Amount            Value
                                            ------        -------         ----            ----            ------            -----
Auto-Related:                                3.7%
  Ford Motor Co.                                          A-1/A           7.500       Nov 15, 1999      $1,500,000      $1,527,158
  Ford Motor Co.                                          A-1/A           6.000       Jan 14, 2003       4,800,000       4,787,491
  Hertz Corp                                              A-3/BBB+        9.000       Nov 01, 2009       1,000,000       1,252,267
                                                                                                                         ---------
     Auto-Related total                                                                                                  7,566,916
                                                                                                                         ---------

Electronics:                                 1.9%
  Motorola Inc.                                           AA-3/AA         6.500       Sep 01, 2025       1,975,000       2,076,027
  Xerox Corporation                                       A-2/A           7.150       Aug 01, 2004       1,700,000       1,797,165
                                                                                                                         ---------
     Electronics total                                                                                                   3,873,192
                                                                                                                         ---------

Aerospace/Defense:                           2.1%
  Lockheed Martin                                         A-3/BBB+        6.500     April 15, 2003       1,150,000       1,170,096
  Lockheed Corp                                           A-3/BBB+        9.375       Oct 15, 1999         500,000         520,080
  Northrop Grumman                                        BAA-3/BBB+      7.000     March 01, 2006       2,000,000       2,078,658
  Raytheon Co.                                            BAA-1/BBB       6.500       Jul 15, 2005         500,000         510,968
                                                                                                                         ---------
     Aerospace/Defense total                                                                                             4,279,802
                                                                                                                         ---------

Electric Household Appliance:                0.3%
  Maytag Corporation                                      A-3/BBB+        9.750       May 15, 2002         600,000         673,939
                                                                                                                         ---------

Engineering/Construction Services:           0.8%
  Foster Wheeler Corp.                                    BAA-2/BBB       6.750       Nov 15, 2005       1,710,000       1,728,500
                                                                                                                         ---------

Machine Tools:                               1.3%
  Giddings & Lewis                                        BA-1            7.500       Oct 01, 2005       2,500,000       2,661,433
                                                                                                                         ---------

Oil/Oil Service:                             3.7%
  Baroid Corp                                             AA-3/A          8.000       Apr 15, 2003          58,000          62,666
  Coastal Corp                                            BAA-3/BBB-     10.250       Oct 15, 2004       1,000,000       1,206,694
  Enron Corp.                                             BAA-2/BBB+      7.625       Sep 10, 2004       1,500,000       1,609,884
  Enron Corp.                                             BAA-2/BBB+      6.875       Oct 15, 2007       1,500,000       1,550,553
  Lyondell Petrochem                                      BAA-3/BBB-     10.000       Jun 01, 1999         500,000         516,010
  Union Oil Co. of California                             BAA-1/BBB+      7.200       May 15, 2005       1,400,000       1,480,160
  Union Oil Co. of California                             BAA-1/BBB+      9.125       Feb 15, 2006       1,000,000       1,177,117
                                                                                                                         ---------
     Oil/Oil Service total                                                                                               7,603,084
                                                                                                                         ---------

Containers:                                  0.5%
  Bemis Co., Inc.                                         A-2/A           6.700       Jul 01, 2005       1,010,000       1,041,149
                                                                                                                         ---------

Chemicals:                                   1.7%
  Union Carbide Corporation                               BAA-2/BBB       6.790       Jun 01, 2025       3,300,000       3,394,694
                                                                                                                         ---------

Transportation:                              6.6%
  American Airlines                                       A-3/BBB         8.040       Sep 16, 2011       2,000,000       2,182,690
  Burlington Northern, Inc.                               BAA-2/BBB       7.400       May 15, 1999         200,000         202,350
  CSX Corp                                                BAA-2/BBB       9.000       Aug 15, 2006       1,800,000       2,105,591
  Delta Air Lines                                         BAA-1/BBB       8.540       Jan 02, 2007         278,816         302,374
  Federal Express                                         A-3/BBB+        7.850       Jan 30, 2015       3,420,130       3,799,850
  Golden State Petroleum Transport                        AA-2/BB+        8.040       Feb 01, 2019       4,000,000       4,430,528
  Southwest Airlines                                      A-1/A           8.700       Jul 01, 2011          19,451          22,631
  United Airlines                                         Baa-1/BBB       9.020       Apr 19, 2012         462,541         537,124
                                                                                                                         ---------
     Transportation total                                                                                               13,583,138
                                                                                                                         ---------

Railroad Equipment:                          0.2%
  Union Pacific RR                                        Aa-3/A          6.540       Jul 01, 2015         434,739         447,214
                                                                                                                         ---------
<PAGE>
                                                   BOND FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

BOND FUND INVESTMENTS,                       % Net        Quality        Coupon         Maturity            Par
CONTINUED:                                  Assets        Rating*         Rate            Date            Amount            Value
                                            ------        -------         ----            ----            ------            -----
Utilities-Telephone:                         5.6%
  BellSouth Telecommunications, Inc.                      AAA/AAA         6.250       May 15, 2003      $1,500,000    $  1,523,892
  Carolina T&T                                            AA-3/A+         5.750       Aug 15, 2000       1,000,000         996,651
  GTE Corporation                                         BAA-1/A         9.100       Jun 01, 2003       1,000,000       1,125,386
  GTE Corporation                                         BAA-1/A         9.375       Dec 01, 2000         500,000         536,349
  GTE Hawaiian Telephone                                  BAA-2/A         7.375      Sept 01, 2006       2,000,000       2,132,624
  GTE North, Inc.                                         A-1/AA-         6.000       Jan 15, 2004       4,550,000       4,531,377
  Northwestern Bell Telephone Co.                         AA-3/A          9.500       May 01, 2000         600,000         636,822
  Pacific NW Bell Telephone                               AA-3/A          4.375       Sep 01, 2002          35,000          32,942
                                                                                                                         ---------
     Utilities-Telephone total                                                                                          11,516,043
                                                                                                                         ---------

Utilities-Electric:                          5.5%
  Cincinnati Gas & Electric                               A-3/A-          5.800       Feb 15, 1999       1,000,000         998,817
  Cincinnati Gas & Electric                               A-3/A-          6.450       Feb 15, 2004       2,000,000       2,034,376
  Commonwealth Edison                                     BAA-2/BBB       7.000       Jul 01, 2005       1,000,000       1,040,830
  Florida Power                                           A-1             6.720       Jul 01, 2005       2,000,000       2,061,796
  Midwest Power Systems                                   A-2/AA-         7.125       Feb 01, 2003         150,000         156,501
  Niagara Mohawk Power                                    BA-2/BBB-       9.250       Oct 01, 2001         500,000         539,371
  Pacificorp                                              A-2/A           6.750       Apr 01, 2005         250,000         256,979
  Wisconsin Power & Light                                 AA-2/AA         7.600       Jul 01, 2005       2,000,000       2,169,070
  Wisconsin Public Service, Inc.                          AA-2/AA+        7.300       Oct 01, 2002       2,000,000       2,102,262
                                                                                                                         ---------
     Utilities-Electric total                                                                                           11,360,002
                                                                                                                         ---------

Utilities-Natural Gas Pipeline:              2.3%
  Burlington Resources, Inc.                              A-3/A-          9.625       Jun 15, 2000         100,000         106,575
  Consolidated Natural Gas                                A-1/AA-         5.875       Oct 01, 1998          50,000          50,006
  El Paso Natural Gas                                     Baa-2/BBB       9.450       Sep 01, 1999         500,000         518,030
  Michigan Consolidated Gas                               A-2/A           5.750       May 01, 2001       1,000,000         994,151
  Southwestern Energy                                     BAA-2/BBB+      6.700       Dec 01, 2005       1,000,000       1,034,537
  Transcontinental Gas                                    A-2/BBB         6.125       Jan 15, 2005       2,000,000       1,996,528
                                                                                                                         ---------
     Utilities-Natural Gas Pipeline total                                                                                4,699,827
                                                                                                                         ---------

Metals/Copper                                0.8%
  Magma Copper                                            A-2             8.700       May 15, 2005       1,400,000       1,590,548
                                                                                                                         ---------

Pollution Control                            1.0%
  WMX Technologies                                        BAA-1/BBB       7.000       May 15, 2005       2,000,000       2,067,208
                                                                                                                         ---------

Diversified Companies:                       0.1%
  Whitman Corporation                                     BAA-2/BBB+      7.500       Feb 01, 2003         100,000         105,135
                                                                                                                       -----------

     TOTAL U.S. CORPORATE BONDS
     (COST: $152,556,010)                                                                                             $154,909,834
                                                                                                                       -----------

Non - U.S. Corporate Bonds:                  5.5%
  BHP Finance, Inc.                                       A-2/A           6.420       Mar 01, 2026      $2,000,000      $2,002,962
  Falconbridge Ltd.                                       BAA-2/BBB+      7.350       Nov 01, 2006       2,000,000       2,088,086
  Hanson Overseas                                         A-3/A-          6.750       Sep 15, 2005       2,000,000       2,068,664
                                                                                                                       -----------

     TOTAL NON - U.S. CORPORATE BONDS
     (COST: $6,154,774)                                                                                                 $6,159,712
                                                                                                                       -----------

     TOTAL INVESTMENTS, BOND FUND
     (COST: $200,215,863)                                                                                             $201,810,654
                                                                                                                       ===========
See accompanying notes to investments in securities.
<FN>
    *Moody's/Standard  & Poors'  quality  ratings  (unaudited).  See the current
Prospectus and Statement of Additional Information for a complete description of
these ratings.
  **At June 30, 1998, the cost of securities for federal income tax purposes was
$200,215,863.   The  aggregate  unrealized   appreciation  and  depreciation  of
investments in securities based on this cost were:
    Gross unrealized appreciation.............................. $2,771,032
    Gross unrealized depreciation.............................. (1,176,241)
                                                                 ---------
    Net unrealized depreciation................................ $1,594,791
                                                                 =========
***This  security  provides a claim on the interest  component of the underlying
mortgages,  but not on their principal  component.  That is, the security's cash
flows  depend on the amount of principal  outstanding  at the payment  date.  If
prepayments on the underlying  mortgages are higher than expected,  the yield on
the security may be adversely affected.
</FN>
</TABLE>

<PAGE>
<TABLE>
<CAPTION>
                                               MONEY MARKET FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

                                             % Net        Quality      Annualized       Maturity            Par
MONEY MARKET FUND INVESTMENTS:              Assets        Rating*         Yield           Date            Amount            Value
                                            ------        -------         -----           ----            ------            -----
Short-Term Investments:
<S>                                     <C>        <C>             <C>            <C>             <C>             <C>               
Commercial Paper/Savings:                    79.7%
  American Express Credit Corp.                           A-1/P-1         5.64%       Aug 18, 1998      $1,786,000      $1,773,317
  American General Finance Corp.                          A-1/P-1         5.62%      July 23, 1998         300,000         298,993
  American General Finance Corp.                          A-1/P-1         5.65%      July 23, 1998       1,700,000       1,694,276
  Ameritech                                               A-1+/P-1        5.90%      July 13, 1998         174,000         173,664
  Associates Corp NA                                      A-1+/P-1        5.58%      July 01, 1998       2,088,000       2,088,000
  Bell South Telecom Inc.                                 A-1+/P-1        5.62%       Aug 11, 1998       2,100,000       2,089,164
  Caterpillar Financial Services                          A-1/P-1         5.70%       Dec 08, 1998         136,000         132,694
  Caterpillar Financial Services                          A-1/P-1         5.65%      July 23, 1998       2,000,000       1,993,339
  Coca-Cola Co.                                           A-1+/P-1        5.60%      Sept 11, 1998       2,135,000       2,111,742
  Consolidated Natural Gas                                A-1+/P-1        5.62%      July 10, 1998       1,000,000         998,620
  Emerson Electric Company                                A-1+/P-1        5.68%       Nov 30, 1998       2,136,000       2,086,848
  Ford Motor Credit Company                               A-1/P-1         5.64%       Aug 03, 1998       2,134,000       2,123,221
  General Electric Capital Corporation                    A-1+/P-1        5.67%      Sept 01, 1998         125,000         123,809
  General Electric Capital Corporation                    A-1+/P-1        5.64%      July 14, 1998       2,000,000       1,996,028
  General Motors Acceptance Corporation                   A-1/P-1         5.63%      Sept 01, 1998       2,125,000       2,112,892
  IBM Credit Corporation                                  A-1/P-1         5.63%      July 31, 1998       2,085,000       2,075,440
  Interstate Power Co.                                    A-1/P-1         5.66%      July 17, 1998       1,600,000       1,596,046
  John Deere Capital Corporation                          A-1/P-1         5.65%      Sept 01, 1998       1,500,000       1,485,740
  Lucent Technologies                                     A-1/P-1         5.71%      July 31, 1998         401,000         400,249
  McGraw-Hill Companies                                   A-1/P-1         5.65%      Sept 23, 1998       2,000,000       1,974,380
  MDU Resources Group Inc                                 A-1/P-1         5.94%      July 07, 1998         502,000         501,511
  Merrill Lynch & Co Inc                                  A-1+/P-1        5.66%      July 31, 1998       2,140,000       2,131,218
  Walt Disney Company                                     A-1/P-1         5.61%       Oct 23, 1998       2,106,000       2,069,854
  State Street Bank & Trust                                               5.00%                              1,271           1,271
                                                                                                                        ----------
     TOTAL COMMERCIAL PAPER/
     SAVINGS AT COST                                                                                                   $34,032,316
                                                                                                                        ----------

Quasi-Government/Government Sponsored:       13.4%
  Federal Home Loan Discount Notes                                        5.47%       Aug 28, 1998      $3,251,000      $3,245,788
  Federal Home Loan Discount Notes                                        5.49%       Aug 20, 1998       1,900,000       1,886,093
  Federal Home Loan Discount Notes                                        5.54%       Aug 03, 1998         115,000         114,431
  Federal Farm Credit Discount Notes                                      5.62%       Feb 25, 1999         475,000         458,192
                                                                                                                        ----------
     TOTAL QUASI-GOVERNMENT/GOVERNMENT
     SPONSORED, AT COST                                                                                                 $5,704,504
                                                                                                                        ----------

Govenment Guaranteed:
  U. S. Treasury Bill                        7.0%                         5.51%       Aug 20, 1998      $3,000,000      $2,978,208
                                                                                                                        ----------

     TOTAL INVESTMENTS, MONEY MARKET
     FUND AT COST                                                                                                      $42,715,028
                                                                                                                        ==========

See accompanying notes to investments in securities.
<FN>
*Moody's/Standard  &  Poors'  quality  ratings  (unaudited).   See  the  current
Prospectus and Statement of Additional Information for a complete description of
these ratings.
</FN>
</TABLE>

<PAGE>
<TABLE>
<CAPTION>
                                              TREASURY 2000 FUND OF ULTRA SERIES FUND
                                               Investments in Securities (Continued)
                                                           June 30, 1998
                                                            (Unaudited)

                                                   % of           Interest         Maturity        Principal
TREASURY 2000 FUND INVESTMENTS:                 Net Assets          Rate             Date           Amount              Value
                                                ----------          ----             ----           ------              -----
Government Guaranteed - U.S.:
   <S>                                    <C>           <C>                <C>                 <C>              <C>              
   U.S. Treasury Strip (Cost $1,558,973)*       100.0%             9.69%         Nov 15, 2000     $2,000,000           $1,759,666
                                                                                                                        =========

See accompanying notes to investments in securities.
<FN>
Notes to investments in securities:
Interest rates on and stripped Treasury Securities represent annualized yield to
maturity at date of purchase.  Values of investment securities are determined as
described in Note 2 of the financial statements.

*At June 30, 1998,  the cost of securities  for federal  income tax purposes was
$1,558,973.   The  aggregate   unrealized   appreciation   and  depreciation  of
investments in securities based on this cost were:
  Gross unrealized appreciation................................... $200,693
  Gross unrealized depreciation...................................       --
                                                                   --------
  Net unrealized appreciation..................................... $200,693
                                                                   ========

</FN>
</TABLE>

<PAGE>
<TABLE>
<CAPTION>


                                                         ULTRA SERIES FUND
                                                      Statement of Operations
                                                   Six Months Ended June 30, 1998
                                                            (Unaudited)


                                            Capital      Growth and                                       Money        Treasury
                                         Appreciation   Income Stock     Balanced          Bond          Market          2000
                                          Stock Fund        Fund           Fund            Fund           Fund           Fund
Investment income (note 2):
<S>                                   <C>            <C>            <C>            <C>             <C>               <C>    
  Interest income                         $610,218       $819,411      $6,114,378     $6,564,872     $1,157,166         $56,649

  Dividend income                        2,342,654      5,189,702       1,088,117             --             --              --
                                        ----------     ----------      ----------      ---------      ---------        --------
    Total income                         2,952,872      6,009,113       7,202,495      6,564,872      1,157,166          56,649
                                        ----------     ----------      ----------      ---------      ---------        --------
Expenses (note 4):

  Management fees                        2,056,006      2,026,976       1,214,013        536,895         94,413           3,859

  Trustees' fees                             1,481          3,658           1,987            498            300              --

   Audit fees                                3,116          6,268           3,343          1,081            471              --
                                        ----------     ----------      ----------      ---------      ---------        --------
    Total net expenses                   2,060,603      2,036,902       1,219,343        538,474         95,184           3,859
                                        ----------     ----------      ----------      ---------      ---------        --------
   Net investment income                   892,269      3,972,211       5,983,152      6,026,398      1,061,982          52,790
Realized and unrealized gain (loss)
  on investments (notes 2 and 3):

  Realized gain (loss) on security
    transactions:

   Proceeds from sale of securities
     and principal pay downs
     (notes 2 and 3):                    192,336,231    183,211,095    194,907,817    127,044,535    136,473,266              --

   Cost of securities sold              (191,456,880)  (180,966,218)  (196,227,283)  (127,726,842)  (136,473,266)             --
                                          ----------     ----------     ----------      ---------      ---------        --------
   Net realized gain (loss) on
    security transactions                    879,351      2,244,877    (1,319,466)      (682,307)            --               --
                                          ----------     ----------     ----------      ---------      ---------        --------
  Net change in unrealized
   appreciation or depreciation
   on investments                         62,919,136     68,332,882     20,056,052      1,173,121             --           1,643
                                          ----------    ----------      ----------      ---------      ---------        --------
  Net gain (loss) on investments          63,798,487     70,577,759     18,736,586        490,814             --           1,643
                                          ----------     ----------     ----------      ---------      ---------        --------


  Net increase in net assets
   resulting from operations             $64,690,756    $74,549,970    $24,719,738     $6,517,212     $1,061,982         $54,433
                                          ==========     ==========     ==========      =========      =========        ========


See accompanying notes to financial statements.
</TABLE>

<PAGE>
<TABLE>
<CAPTION>


                                                         ULTRA SERIES FUND
                                                 Statement of Changes in Net Assets
                                Six Months Ended June 30, 1998 and the Year Ended December 31, 1997
                                                            (Unaudited)


                                                CAPITAL APPRECIATION               GROWTH AND INCOME
                                                     STOCK FUND                       STOCK FUND                BALANCED FUND
Operations:                                    1998             1997           1998           1997           1998            1997
<S>                                    <C>              <C>            <C>             <C>            <C>            <C>         

  Net investment income                       $892,269      $1,059,234     $3,972,211      $5,120,623     $5,983,152     $9,624,016

  Net realized gain (loss) on security
   transaction                                 879,351       5,517,238      2,244,877       9,499,009     (1,319,466)     3,792,615

  Net change in unrealized appreciation
   or depreciation on investments           62,919,136      40,907,564     68,332,882      84,642,706     20,056,052     25,504,114
                                           -----------     -----------    -----------     -----------    -----------    -----------
   Change in net assets from
    operations                              64,690,756      47,484,036     74,549,970      99,262,338     24,719,738     38,920,745
                                           -----------     -----------    -----------     -----------    -----------    -----------


Distributions to shareholders:

  From net investment income                  (570,765)     (1,065,876)    (1,973,026)     (5,180,495)    (2,929,949)    (9,668,911)

  From realized gains on investments                --      (5,541,711)        (3,132)     (9,518,672)       (19,797)    (3,841,952)

  Return of capital                                --         (43,461)            --        (118,470)            --             --
                                           -----------     -----------    -----------     -----------    -----------    -----------
   Change in net assets from
    distributions                             (570,765)     (6,651,048)    (1,976,158)    (14,817,637)    (2,949,746)   (13,510,863)
                                           -----------     -----------    -----------     -----------    -----------    -----------

Class Z Share transactions (note 5):

  Proceeds from sale of shares              43,292,274     311,778,406     82,691,068     260,073,329     56,130,224     80,187,804

  Net asset value of shares issued in
   reinvestment of distributions               570,765       6,651,048      1,976,158      14,817,637      2,949,746     13,510,863
                                           -----------     -----------    -----------     -----------    -----------    -----------
                                            43,863,039     318,429,454     84,667,226     274,890,966     59,079,970     93,698,667

  Cost of shares repurchased                  (381,664)     (1,742,040)    (3,752,986)     (2,041,007)    (2,307,948)    (4,029,711)
                                           -----------     -----------    -----------     -----------    -----------    -----------
   Change in net assets derived from
    capital share transactions              43,481,375     316,687,414     80,914,240     272,849,959     56,772,022     89,668,956
                                           -----------     -----------    -----------     -----------    -----------    -----------
Increase in net assets                     107,601,366     357,520,402    153,488,052     357,294,660     78,542,014    115,078,838

Net assets:

  Beginning of year                        456,194,235      98,673,833    590,135,433     232,840,773    309,803,712    194,724,874
                                           -----------     -----------    -----------     -----------    -----------    -----------
  End of year                             $563,795,601    $456,194,235   $743,623,485    $590,135,433   $388,345,726   $309,803,712
                                           ===========     ===========    ===========     ===========    ===========    ===========
Undistributed net investment
  income included in net assets               $329,115              --     $2,008,872              --     $3,103,189       $ 49,986
                                           ===========     ===========    ===========     ===========    ===========    ===========


See accompanying notes to financial statements.



<PAGE>


                                                         ULTRA SERIES FUND
                                           Statement of Changes in Net Assets (Continued)
                                Six Months Ended June 30, 1998 and the Year Ended December 31, 1997
                                                            (Unaudited)


                                                     BOND FUND                  MONEY MARKET FUND               TREASURY 2000 FUND
Operations:                                    1998           1997            1998          1997             1998         1997

  Net investment income                     $6,026,398      $3,058,282     $1,061,982      $1,475,243        $52,790       $106,851

  Net realized gain (loss) on security
   transactions                              (682,307)         22,394             --               --             --             --

  Net change in unrealized appreciation
   or depreciation on investments            1,173,121         326,623             --              --          1,643          1,846
                                            ----------     -----------     ----------      ----------     ----------     ----------
   Change in net assets from
    operations                               6,517,212       3,407,299      1,061,982       1,475,243         54,433        108,697
                                           -----------     -----------     ----------      ----------     ----------     ----------
Distributions to shareholders:

  From net investment income               (3,031,622)     (3,013,977)    (1,061,982)     (1,475,243)             --             --

  From realized gains on investments                --        (22,394)             --              --             --             --

  Return of capital                                 --              --             --              --             --             --
                                           -----------     -----------     ----------      ----------     ----------     ----------
   Change in net assets from
    distributions                          (3,031,622)     (3,036,371)    (1,061,982)     (1,475,243)             --             --
                                           -----------     -----------     ----------      ----------     ----------     ----------
Class Z Share transactions (note 5):

  Proceeds from sale of shares              11,428,348     160,361,652     19,296,201      57,328,276             --          7,239

  Net asset value of shares issued in
   reinvestment of distributions             3,031,622       3,036,371       1061,693       1,473,088             --             --
                                           -----------     -----------     ----------      ----------     ----------     ----------
                                            14,459,970     163,398,023     20,357,894      58,801,364             --          7,239

  Cost of shares repurchased               (1,671,418)     (1,501,306)   (18,834,842)    (38,642,199)             --             --
                                           -----------     -----------     ----------      ----------     ----------     ----------


   Change in net assets derived from
    capital share transactions              12,788,552     161,896,717      1,523,052      20,159,165             --          7,239
                                           -----------     -----------     ----------      ----------     ----------     ----------
Increase (decrease) in net assets           16,274,142     162,267,645      1,523,052      20,159,165         54,433        115,936

Net assets:

  Beginning of year                        188,839,568      26,571,923     41,170,152      21,010,987      1,700,677      1,584,741
                                           -----------     -----------     ----------      ----------     ----------     ----------
  End of year                             $205,113,710    $188,839,568    $42,693,204     $41,170,152     $1,755,110     $1,700,677
                                           ===========     ===========     ==========      ==========     ==========     ==========

Undistributed net investment
  income included in net assets             $3,057,115         $62,339             --              --             --             --
                                           ===========     ===========     ==========      ==========     ==========     ==========



See accompanying notes to financial statements.

</TABLE>

<PAGE>
<TABLE>
<CAPTION>


                                        CAPITAL APPRECIATION STOCK FUND OF ULTRA SERIES FUND
                                                        Financial Highlights
                                   Six Months Ended June 30, 1998 and the Year Ended December 31
                                                            (Unaudited)


                                                ----------------------- CAPITAL APPRECIATION STOCK FUND ----------------------------
(For a share outstanding throughout the period):  1998              1997             1996              1995             1994
                                                ------------------------------------------------------------------------------------

<S>                                             <C>              <C>             <C>               <C>             <C>   
Net Asset Value, Beginning of Period             $18.85            $14.60           $12.51             $9.97           $10.00
                                                 ------            ------           ------            ------           ------


  Income from Investment Operations

   Net Investment Income                            .04              0.07             0.13              0.14             0.16

   Net Realized and Unrealized Gain (Loss)
    on Investments                                 2.55              4.52             2.55              2.91             0.37
                                                 ------            ------           ------            ------           ------

  Total from Investment Operations                 2.59              4.59             2.68              3.05             0.53
                                                ------------------------------------------------------------------------------------



  Distributions

   Distributions from Net Investment Income         .02             (0.07)           (0.13)            (0.14)           (0.15)

   Distributions from Realized Capital Gains        .00             (0.27)           (0.46)            (0.37)           (0.41)
                                                 ------            ------           ------            ------            ------

  Total Distributions                              (.02)            (0.34)           (0.59)            (0.51)           (0.56)
                                                ------------------------------------------------------------------------------------



Net Asset Value, End of Period                   $21.42            $18.85           $14.60            $12.51            $9.97
====================================================================================================================================

Total Return*                                     13.75%            31.57%           21.44%            30.75%            5.44%
====================================================================================================================================

Ratio/Supplemental Data

Net Assets, End of Period (000s Omitted)        $563,796          $456,194          $98,674           $38,117           $9,449

Ratio of Expenses to Average Net Assets**          0.79%             0.82%            0.65%             0.65%            0.65%

Ratio of Net Investment Income to Average
  Net Assets                                       0.34%             0.70%            0.96%             1.37%            1.55%

Portfolio Turnover Rate                            3.21%            17.06%           49.77%            61.32%           65.81%

Average Commission Rate                           $0.06             $0.06            $0.06             $0.06
====================================================================================================================================
<FN>

  *These  returns  are after all  charges  at the  mutual  fund  level have been
   subtracted. These returns are higher than the returns at the separate account
   level  because  charges  made at the  separate  account  level  have not been
   subtracted.

** During the periods  shown,  prior to May 1, 1997,  CUNA Mutual Life Insurance
   Company and its affiliates  absorbed  certain  expenses under the terms of an
   Expense Reimbursement Agreement between the Ultra Series Fund and CUNA Mutual
   Life Insurance Company. If the Expense  Reimbursement  Agreement had not been
   in effect and if the full expenses  allowable  under the Investment  Advisory
   Agreement  between the Ultra Series Fund and the Investment  Adviser had been
   charged,  the  resulting  ratio of expenses to average net assets  would have
   been  0.83%,  0.66%,  0.75%,  and  0.85%  for  1997,  1996,  1995,  and 1994,
   respectively.
</FN>

<PAGE>


                                         GROWTH AND INCOME STOCK FUND OF ULTRA SERIES FUND
                                                        Financial Highlights
                                   Six Months Ended June 30, 1998 and the Year Ended December 31
                                                            (Unaudited)

                                                -------------------------- GROWTH AND INCOME STOCK FUND ----------------------------
(For a share outstanding throughout the period):  1998              1997             1996              1995             1994
                                                ------------------------------------------------------------------------------------

Net Asset Value, Beginning of Period             $27.20            $21.32           $18.20            $15.06           $15.51
                                                 ------            ------           ------            ------           ------

Income from Investment Operations

Net Investment Income                               .17              0.31             0.34              0.37             0.32

Net Realized and Unrealized Gain (Loss)
on Investments                                     3.16              6.36             3.93              4.37            (0.04)
                                                 ------            ------           ------            ------           ------

Total from Investment Operations                   3.33              6.67             4.27              4.74             0.28
                                                ------------------------------------------------------------------------------------

  Distributions

   Distributions from Net Investment Income       (0.08)            (0.32)           (0.34)            (0.37)           (0.32)

   Distributions from Realized Capital Gains        .00             (0.47)           (0.81)            (1.23)           (0.40)
                                                 ------            ------           ------            ------           ------

  Total Distributions                             (0.08)            (0.79)           (1.15)            (1.60)           (0.73)
                                                ------------------------------------------------------------------------------------

Net Asset Value, End of Period                   $30.45            $27.20           $21.32            $18.20           $15.06
====================================================================================================================================

Total Return*                                     12.23%            31.42%           22.02%            31.75%            1.42%
====================================================================================================================================

Ratio/Supplemental Data

Net Assets, End of Period (000s Omitted)        $743,623          $590,135         $232,841          $102,138          $48,913

Ratio of Expenses to Average Net Assets**          0.60%             0.61%            0.65%             0.65%            0.65%

Ratio of Net Investment Income to Average
  Net Assets                                       1.17%             1.39%            1.78%             2.28%            2.19%

Portfolio Turnover Rate                            2.51%            20.39%           40.55%            57.80%           45.36%

Average Commission Rate                           $0.06             $0.06            $0.06             $0.06
====================================================================================================================================
<FN>

  *These  returns  are after all  charges  at the  mutual  fund  level have been
   subtracted. These returns are higher than the returns at the separate account
   level  because  charges  made at the  separate  account  level  have not been
   subtracted.

** During the periods  shown,  prior to May 1, 1997,  CUNA Mutual Life Insurance
   Company and its affiliates  absorbed  certain  expenses under the terms of an
   Expense Reimbursement Agreement between the Ultra Series Fund and CUNA Mutual
   Life Insurance Company. If the Expense  Reimbursement  Agreement had not been
   in effect and if the full expenses  allowable  under the Investment  Advisory
   Agreement  between the Ultra Series Fund and the Investment  Adviser had been
   charged,  the  resulting  ratio of expenses to average net assets  would have
   been  0.61%,  0.65%,  0.69%,  and  0.70%  for  1997,  1996,  1995,  and 1994,
   respectively.

</FN>

<PAGE>


                                                 BALANCED FUND OF ULTRA SERIES FUND
                                                        Financial Highlights
                                   Six Months Ended June 30, 1998 and the Year Ended December 31
                                                            (Unaudited)


                                                --------------------------------- BALANCED FUND ------------------------------------
(For a share outstanding throughout the period):  1998              1997             1996              1995             1994
                                                ------------------------------------------------------------------------------------

Net Asset Value, Beginning of Period             $17.02            $15.29           $14.63            $12.90           $13.70
                                                 ------            ------           ------            ------           ------

  Income from Investment Operations

   Net Investment Income                           0.29              0.62             0.58              0.55             0.52

   Net Realized and Unrealized Gain (Loss)
    on Investments                                 1.00              1.93             0.98              2.29            (0.56)
                                                 ------            ------           ------            ------            ------

  Total from Investment Operations                 1.29              2.55             1.56              2.84            (0.04)
                                                ------------------------------------------------------------------------------------

  Distributions

   Distributions from Net Investment Income       (0.15)            (0.63)           (0.58)            (0.55)           (0.51)

   Distributions from Realized Capital Gains       0.01             (0.19)           (0.32)            (0.56)           (0.25)
                                                 ------            ------           ------            ------            ------

  Total Distributions                             (0.14)            (0.82)           (0.90)            (1.11)           (0.76)
                                                ------------------------------------------------------------------------------------

Net Asset Value, End of Period                   $18.17            $17.02           $15.29            $14.63           $12.90
====================================================================================================================================

Total Return*                                      7.59%            16.87%           10.79%            22.27%           -0.46%
====================================================================================================================================

Ratio/Supplemental Data

Net Assets, End of Period (000s Omitted)        $388,346          $309,804         $194,725          $110,969          $67,468

Ratio of Expenses to Average Net Assets**          0.70%             0.68%            0.65%             0.65%            0.65%

Ratio of Net Investment Income to Average
  Net Assets                                       3.42%             3.81%            3.91%             4.03%            4.00%

Portfolio Turnover Rate                           18.56%            21.15%           33.48%            36.68%           28.53%

Average Commission Rate                           $0.06             $0.06            $0.06             $0.06
====================================================================================================================================
<FN>

  *These  returns  are after all  charges  at the  mutual  fund  level have been
   subtracted. These returns are higher than the returns at the separate account
   level  because  charges  made at the  separate  account  level  have not been
   subtracted.

** During the periods  shown,  prior to May 1, 1997,  CUNA Mutual Life Insurance
   Company and its affiliates  absorbed  certain  expenses under the terms of an
   Expense Reimbursement Agreement between the Ultra Series Fund and CUNA Mutual
   Life Insurance Company. If the Expense  Reimbursement  Agreement had not been
   in effect and if the full expenses  allowable  under the Investment  Advisory
   Agreement  between the Ultra Series Fund and the Investment  Adviser had been
   charged,  the  resulting  ratio of expenses to average net assets  would have
   been  0.69%,  0.65%,  0.68%,  and  0.70%  for  1997,  1996,  1995,  and 1994,
   respectively.
</FN>

<PAGE>


                                                   BOND FUND OF ULTRA SERIES FUND
                                                        Financial Highlights
                                   Six Months Ended June 30, 1998 and the Year Ended December 31
                                                            (Unaudited)


                                                ----------------------------------- BOND FUND --------------------------------------
(For a share outstanding throughout the period):  1998              1997             1996              1995             1994
                                                ------------------------------------------------------------------------------------

Net Asset Value, Beginning of Period             $10.54            $10.33           $10.63             $9.67           $10.58
                                                 ------            ------           ------            ------           ------

  Income from Investment Operations

   Net Investment Income                           0.33              0.29             0.65              0.60             0.59

   Net Realized and Unrealized Gain (Loss)
    on Investments                                 0.03              0.45            (0.28)             0.96            (0.90)
                                                 ------            ------           ------            ------            ------

  Total from Investment Operations                 0.36              0.74             0.37              1.56            (0.31)
                                                ------------------------------------------------------------------------------------

  Distributions

   Distributions from Net Investment Income       (0.16)            (0.51)           (0.64)            (0.59)           (0.59)

   Distributions from Realized Capital Gains       0.00             (0.02)           (0.03)            (0.01)           (0.01)
                                                 ------            ------           ------            ------            ------

  Total Distributions                             (0.16)            (0.53)           (0.67)            (0.60)           (0.60)
                                                ------------------------------------------------------------------------------------

Net Asset Value, End of Period                   $10.74            $10.54           $10.33            $10.63            $9.67
- ------------------------------------------------------------------------------------------------------------------------------------

Total Return*                                      3.36%             7.45%            2.86%            16.37%           -3.06%
====================================================================================================================================

Ratio/Supplemental Data

Net Assets, End of Period (000s Omitted)        $205,114          $188,840          $26,572           $13,725           $7,867

Ratio of Expenses to Average Net Assets**          0.55%             0.56%            0.65%             0.65%            0.65%

Ratio of Net Investment Income to Average
  Net Assets                                       6.12%             6.50%            6.25%             6.08%            6.03%

Portfolio Turnover Rate                           33.99%            30.71%           25.67%            14.74%           11.97%
====================================================================================================================================
<FN>

  *These  returns  are after all  charges  at the  mutual  fund  level have been
   subtracted. These returns are higher than the returns at the separate account
   level  because  charges  made at the  separate  account  level  have not been
   subtracted.

** During the periods  shown,  prior to May 1, 1997,  CUNA Mutual Life Insurance
   Company and its affiliates  absorbed  certain  expenses under the terms of an
   Expense Reimbursement Agreement between the Ultra Series Fund and CUNA Mutual
   Life Insurance Company. If the Expense  Reimbursement  Agreement had not been
   in effect and if the full expenses  allowable  under the Investment  Advisory
   Agreement  between the Ultra Series Fund and the Investment  Adviser had been
   charged,  the  resulting  ratio of expenses to average net assets  would have
   been  0.57%,  0.67%,  0.68%,  and  0.70%  for  1997,  1996,  1995,  and 1994,
   respectively.
</FN>

<PAGE>


                                               MONEY MARKET FUND OF ULTRA SERIES FUND
                                                        Financial Highlights
                                   Six Months Ended June 30, 1998 and the Year Ended December 31
                                                            (Unaudited)


                                                ------------------------------ MONEY MARKET FUND -----------------------------------
(For a share outstanding throughout the period):  1998              1997             1996              1995             1994
                                                ------------------------------------------------------------------------------------

Net Asset Value, Beginning of Period              $1.00             $1.00            $1.00             $1.00            $1.00
                                                 ------            ------           ------            ------           ------

  Income from Investment Operations

   Net Investment Income                           0.03              0.05             0.05              0.05             0.03

   Net Realized and Unrealized Gain (Loss)
    on Investments                                 0.00              0.00             0.00              0.00             0.00
                                                 ------            ------           ------            ------           ------

  Total from Investment Operations                 0.03              0.05             0.05              0.05             0.03
                                                ------------------------------------------------------------------------------------

  Distributions

   Distributions from Net Investment Income       (0.03)            (0.05)           (0.05)            (0.05)           (0.03)

   Distributions from Realized Capital Gains       0.00             (0.00)           (0.00)            (0.00)            0.00
                                                 ------            ------           ------            ------            ------

  Total Distributions                             (0.03)            (0.05)           (0.05)            (0.05)           (0.03)
                                                ------------------------------------------------------------------------------------

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

Total Return*                                      2.53%             4.75%            5.17%             5.21%            3.34%
====================================================================================================================================

Ratio/Supplemental Data

Net Assets, End of Period (000s Omitted)         $42,693           $41,170          $21,011           $11,374           $7,799

Ratio of Expenses to Average Net Assets**          0.45%             0.50%            0.65%             0.65%            0.65%

Ratio of Net Investment Income to Average
  Net Assets                                       5.01%             5.05%            4.74%             5.17%            3.66%

Portfolio Turnover Rate                              --                --               --                --               --
====================================================================================================================================
<FN>

For the Money  Market Fund,  the  "seven-day  average"  yield for the seven days
ended June 30,  1998,  was 5.09% and the  "effective"  yield for that period was
5.22%.

  *These  returns  are after all  charges  at the  mutual  fund  level have been
   subtracted. These returns are higher than the returns at the separate account
   level  because  charges  made at the  separate  account  level  have not been
   subtracted.

** During the periods  shown,  prior to May 1, 1997,  CUNA Mutual Life Insurance
   Company and its affiliates  absorbed  certain  expenses under the terms of an
   Expense Reimbursement Agreement between the Ultra Series Fund and CUNA Mutual
   Life Insurance Company. If the Expense  Reimbursement  Agreement had not been
   in effect and if the full expenses  allowable  under the Investment  Advisory
   Agreement  between the Ultra Series Fund and the Investment  Adviser had been
   charged,  the  resulting  ratio of expenses to average net assets  would have
   been  0.51%,  0.67%,  0.73%,  and  0.78%  for  1997,  1996,  1995,  and 1994,
   respectively.
</FN>

<PAGE>


                                              TREASURY 2000 FUND OF ULTRA SERIES FUND
                                                        Financial Highlights
                                   Six Months Ended June 30, 1998 and the Year Ended December 31
                                                            (Unaudited)


                                                ------------------------------ TREASURY 2000 FUND ----------------------------------
(For a share outstanding throughout the period):  1998              1997             1996              1995             1994
                                                ------------------------------------------------------------------------------------

Net Asset Value, Beginning of Period              $9.24             $8.64            $8.47             $7.00            $7.53
                                                 ------            ------           ------            ------            ------

  Income from Investment Operations

   Net Investment Income                           0.00              0.58             0.58              0.58             0.53

   Net Realized and Unrealized Gain (Loss)
    on Investments                                 0.29              0.02            (0.41)             0.89            (1.06)
                                                 ------            ------           ------            ------            ------

  Total from Investment Operations                 0.29              0.60             0.17              1.47            (0.53)
                                                ------------------------------------------------------------------------------------

  Distributions

   Distributions from Net Investment Income        0.00              0.00             0.00              0.00             0.00

   Distributions from Realized Capital Gains       0.00              0.00             0.00              0.00             0.00
                                                 ------            ------           ------            ------            ------

  Total Distributions                              0.00              0.00             0.00              0.00             0.00
                                                ------------------------------------------------------------------------------------

Net Asset Value, End of Period                    $9.53             $9.24            $8.64             $8.47            $7.00
====================================================================================================================================

Total Return*                                      3.19%             6.85%            2.10%            20.99%           -7.12%
====================================================================================================================================

Ratio/Supplemental Data

Net Assets, End of Period (000s Omitted)         $1,755            $1,701           $1,585            $1,545           $1,272

Ratio of Expenses to Average Net Assets            0.45%             0.45%            0.45%             0.45%            0.45%

Ratio of Net Investment Income to Average
  Net Assets                                       6.10%             6.56%            7.03%             7.40%            7.50%

Portfolio Turnover Rate                              --                --               --                --               --
====================================================================================================================================
<FN>

  *These  returns  are after all  charges  at the  mutual  fund  level have been
   subtracted. These returns are higher than the returns at the separate account
   level  because  charges  made at the  separate  account  level  have not been
   subtracted.
</FN>
</TABLE>

<PAGE>


                                ULTRA SERIES FUND
                          Notes to Financial Statements

(1)  Description of the Fund

     The Ultra Series Fund (the "Fund"),  a  Massachusetts  Business  Trust,  is
     registered  under the Investment  Company Act of 1940 (the "1940 Act"),  as
     amended, as a diversified, open-end management investment company. The Fund
     is a series fund with six investment  portfolios  (the "funds"),  each with
     different investment  objectives and policies and each having available two
     separate  classes of common stock with a par value of $.01 per share.  Fund
     shares are sold and  redeemed  at a price  equal to the  shares'  net asset
     value  (note  2(b)).  The  assets of each fund are held  separate  from the
     assets of the other funds.

     Effective  May 1, 1997,  the shares of each fund were  divided into Class Z
     and Class C Shares.  Class Z Shares are  offered to all  insurance  company
     separate  accounts issued by, and all qualified  retirement plans sponsored
     by, CUNA Mutual Life  Insurance  Company or its  affiliates  ("CUNA  Mutual
     Life").  Class C Shares  are  offered to  separate  accounts  of  insurance
     companies other than CUNA Mutual Life, and to qualified retirement plans of
     companies not affiliated with the Fund or CUNA Mutual Life. Both classes of
     shares are  identical  in all respects  except that:  Class C Shares may be
     subject to a  distribution  fee (note 4);  each  class will have  exclusive
     voting rights with respect to matters that affect just that class; and each
     class will bear a  different  name or  designation.  All income  earned and
     expenses  incurred  by the  Fund  are  borne  on a  pro-rata  basis by each
     outstanding  share of each  class  based on the daily  net  asset  value of
     shares of that  class.  As of June 30,  1998,  no Class C Shares  have been
     issued.


(2)  Significant Accounting Policies

     (a) Valuation of Investment Securities

         Value of  securities,  including  call  options,  which  are  traded on
         exchanges are valued at the last sales price on the principal  exchange
         as of the close of the New York  Stock  Exchange  or 3:00 p.m.  Central
         Standard  Time,  whichever is earlier,  on the day the  securities  are
         being valued.  Securities not traded on a stock exchange on a given day
         or traded  over-the-counter  are valued using a procedure determined in
         good faith to  represent  a fair value and which is  authorized  by the
         Board of  Trustees.  Pursuant  to Rule 2A-7 of the 1940 Act,  all money
         market  instruments in the Money Market Fund are valued on an amortized
         cost basis.  Money Market  Instruments in the other funds are valued on
         an amortized cost basis if there are less than 60 days to maturity.

     (b) Share Valuation and Dividends to Shareholders

         The net asset value of the shares of each fund is determined on a daily
         basis based on the  valuation of the net assets of the funds divided by
         the number of shares of the fund outstanding.  Expenses,  including the
         investment  advisory,  advisory/administrative,  and distribution  fees
         (note 4), are accrued daily and reduce the net asset value per share.

         Dividends  on the Money  Market  Fund will be declared  and  reinvested
         daily in  additional  full and  fractional  shares of the Money  Market
         Fund.  Dividends of ordinary income from the Capital Appreciation Stock
         Fund,  Growth and Income Stock Fund,  Bond Fund, and Balanced Fund will
         be declared and reinvested  quarterly in additional full and fractional
         shares of the respective funds. All net realized capital gains of these
         funds, if any, will be declared and reinvested at least  annually.  The
         Treasury 2000 Fund will utilize an annual  consent  dividend  procedure
         which provides the fund with the deduction for dividends constructively
         paid to shareholders.

     (c) Federal Income and Excise Taxes

         The Fund intends to distribute  all of its taxable income and to comply
         with the other  requirements of the Internal Revenue Code applicable to
         regulated investment companies. Accordingly, no provision for income or
         excise taxes is required.  Net investment income and net realized gains
         (losses)  for the funds may  differ  for  financial  statement  and tax
         purposes.  The character of distributions made during the year from net
         investment  income or net realized gains may differ from their ultimate
         characterization  for federal  income tax  purposes.  Also,  due to the
         timing of dividend distributions,  the fiscal year in which amounts are
         distributed  may differ from the year that the income or realized gains
         (losses) were recorded by the funds.
<PAGE>
     (d) Security Transactions and Investment Income

         Security  transactions  are recorded on the trade date basis.  Realized
         gains  and  losses  from  security  transactions  are  reported  on the
         identified cost basis. Interest,  including amortization of premium and
         discount,  is accrued  daily and  dividend  income is  recorded  on the
         ex-dividend date.

     (e) 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  amounts  of  assets  and
         liabilities and disclosure of contingent  assets and liabilities at the
         date of the financial  statements and the reported  amounts of increase
         and decrease in net assets from  operations  during the period.  Actual
         results could differ from those estimates.

(3)  Purchase and Sales of Investment Securities
<TABLE>
<CAPTION>

     The cost of  securities  purchased and the proceeds  from  securities  sold
     (including maturities, excluding short-term securities for all funds except
     Money  Market) for each fund  during the  six-month  period  ended June 30,
     1998, were as follows:
                                             Capital        Growth and                                      Money        Treasury
                                          Appreciation     Income Stock       Balanced        Bond         Market          2000
                                           Stock Fund          Fund             Fund          Fund          Fund           Fund
                                          ------------     ------------       --------        ----         ------        --------
<S>                                      <C>             <C>             <C>            <C>           <C>             <C>        
     Total costs of securities purchased   $63,719,284     $107,157,165    $123,344,644   $91,662,933   $136,914,740    $      --
                                            ==========      ===========     ===========    ==========    ===========     ========
     Total proceeds received on security
     sales and principal paydowns         $192,336,231     $183,211,095    $194,907,817  $127,044,535   $136,473,266    $      --
                                           ===========      ===========     ===========    ==========    ===========     ========

</TABLE>

(4)  Transactions with Affiliates

     Fees and Expenses

     The Fund has entered into an investment  advisory agreement with CIMCO Inc.
     (the  "Investment  Adviser"),  an affiliated  company.  For the  four-month
     period  ended April 30,  1997,  the  Investment  Adviser  received  monthly
     advisory  or  advisory/  administrative  fees,  based on average  daily net
     assets, at an annual rate of .5 percent of the Capital  Appreciation Stock,
     Growth and Income  Stock,  Balanced,  Bond and Money  Market  Funds and .45
     percent of the Treasury 2000 Fund. On May 1, 1997, a new advisory agreement
     with the Investment  Advisor  changed this fee structure and provides for a
     different fee for each portfolio  within the Fund. The fees,  paid monthly,
     are  calculated  as a percentage  of the average  daily net assets for each
     portfolio at the following annual rates:

              Capital Appreciation Stock             0.80%
              Balanced                               0.70%
              Growth and Income Stock                0.60%
              Bond                                   0.55%
              Money Market                           0.45%
              Treasury 2000                          0.45%

     Under the new unitary fee structure,  the Investment Adviser is responsible
     for providing or obtaining  services and paying certain expenses  including
     custodian  fees,  transfer agent fees,  pricing  costs,  and accounting and
     legal fees as indicated in the investment advisory agreement.

     In addition  to the unitary  investment  advisor  fee,  each fund also pays
     certain expenses including trustees fees, brokerage commis-sions,  interest
     expense, audit fees, and other extraordinary expenses.

     For the four-month period ended April 30, 1997, the Investment  Adviser was
     required  to  reimburse  the funds  for the  amount,  if any,  by which the
     aggregate expenses of any fund (including the Investment Adviser's fee, but
     excluding  brokerage  commissions,   interest,   taxes,  and  extraordinary
     expenses) in any calendar  year exceed 2.0 percent of the average daily net
     assets of the funds. In addition, for the four-month period ended April 30,
     1997,  CUNA Mutual Life has  voluntarily  agreed to  reimburse  the Capital
     Appreciation Stock, Growth and Income Stock, Balance, Bond and Money Market
     Funds for ordinary  business expenses in excess of .65 percent (of which .5
     percent is the advisory  fee and .15 percent is general and  administrative
     expenses)  of the average  daily net assets of these funds.  Also,  for the
     four-month  period ended April 30, 1997, the Investment  Advisor has agreed
     to assume  responsibility  for  providing all  administrative  services and
     paying all  ordinary  business  expenses  of the  Treasury  2000 Fund which
     exceed .45  percent  (all of which is the  advisory/administrative  fee) of
     average  daily net  assets.  Currently,  CUNA  Mutual  Life and CUNA Mutual
     Insurance  Society,  affiliated  companies,  are  providing  administrative
     services on behalf of the Investment Advisor.


<PAGE>


     All capital  shares  outstanding  at June 30,  1998,  are owned by separate
     investment accounts of CUNA Mutual Life.

     Certain officers and directors of the Fund are also officers of CUNA Mutual
     Life or CIMCO Inc.  During the  six-month  period ended June 30, 1998,  the
     Fund made no direct  payments to its  officers and paid  trustees'  fees of
     approximately $7,924 to its unaffiliated trustees.

     Distribution Plan

     All shares are distributed through CUNA Brokerage Service, Inc.("CBS"), and
     affiliated company, or other registered  broker-dealers  authorized by CBS.
     Class C Shares  may also be  subject  to an  asset-based  distribution  fee
     pursuant to Rule 12b-1 under the 1940 Act, equal to not more than 0.25%, on
     an annual  basis,  of the  average  value of the  daily net  assets of each
     series of the Fund attributable to Class C Shares on an annual basis.


(5)  Share Activity

<TABLE>
<CAPTION>
     Transactions  in Class Z Shares of each fund for the year ended  December 31, 1997 and for the six-month  period ended June 30,
     1998, were as follows:

                                                   Capital      Growth and                                    Money        Treasury
                                                Appreciation   Income Stock      Balanced         Bond        Market         2000
                                                 Stock Fund        Fund            Fund           Fund        Fund           Fund
                                                ------------   ------------      --------         ----        ------       --------
<S>                                           <C>           <C>             <C>            <C>            <C>             <C>      
     Shares outstanding at December 31, 1996      6,759,264    10,919,647      12,737,422      2,573,070    21,010,987      183,351

     Shares sold, including reinvestment
            of dividends                         17,535,010    10,850,472       5,705,061     15,479,381    58,801,364          787

     Shares repurchased                             (93,915)      (77,316)       (243,133)      (143,139)  (38,642,199)          --
                                                  ---------     ---------       ---------      ---------    ----------      -------
     Shares outstanding at December 31, 1997     24,200,359    21,692,803      18,199,350     17,909,312    41,170,152      184,138

     Shares sold, including reinvestment
            of dividends                          2,137,755     2,861,358       3,302,102      1,353,189    20,357,894           --

     Shares repurchased                             (17,794)     (131,583)       (131,416)      (156,370)  (18,834,842)          --
                                                  ---------     ---------       ---------      ---------    ----------      -------
     Shares outstanding at June 30, 1998         26,320,320    24,422,578      21,370,036     19,106,131    42,693,204      184,138
                                                  ---------     ---------       ---------      ---------    ----------      -------
</TABLE>

<PAGE>


                                ULTRA SERIES FUND
                              Officers and Trustees


OFFICERS                                                                        

Michael S. Daubs, President                                                     
Lawrence R. Halverson, Vice President/Secretary                                 
Michael G. Joneson, Chief Accounting Officer, Treasurer and Assistant Secretary 
Robert M. Buckingham, Chief Financial Officer/Assistant Secretary               
                                                                                
                                                                                
 BOARD OF TRUSTEES      
                        
 Gwendolyn M. Boeke     
 Michael S. Daubs       
 Alfred L. Disrud       
 Lawrence R. Halverson  
 Keith S. Noah          
 Thomas C. Watt         
                        


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