VANGUARD OHIO TAX FREE FUND
N-30D, 2000-01-24
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<PAGE>

VANGUARD(R)
OHIO TAX-EXEMPT
FUNDS

ANNUAL REPORT
NOVEMBER 30, 1999

[SHIP GRAPHIC]
[MEMBERS OF THE VANGUARD GROUP]

VANGUARD OHIO TAX-EXEMPT MONEY MARKET FUND

VANGUARD OHIO INSURED LONG-TERM TAX-EXEMPT FUND

<PAGE>

Dear Shareholders:

Two roads  diverged in a wood,  and I--I took the one less traveled by, and that
has made all the difference.

I can think of no better  words than those of Robert Frost to begin this special
letter to our shareholders,  who have placed such extraordinary  trust in me and
in Vanguard  over the past quarter  century.  When the firm was founded 25 years
ago,  we  deliberately  took a new road to  managing a mutual  fund  enterprise.
Instead of having the funds controlled by an outside management company with its
own  financial  interests,  the  Vanguard  funds--there  were  only  11 of  them
then--would be controlled by their own  shareholders and operate solely in their
financial interests.  The outcome of our unprecedented  decision was by no means
certain. We described it then as "The Vanguard Experiment."

         Well, I guess it's fair to say it's an experiment  no more.  During the
past 25 years,  the assets we hold in stewardship  for investors have grown from
$1 billion to more than $500  billion,  and I believe  that our  reputation  for
integrity,  fair-dealing,  and sound investment  principles is second to none in
this  industry.  Our  staggering  growth--which  I  never  sought--has  come  in
important part as a result of the simple investment ideas and basic human values
that are the foundation of my personal philosophy.  I have every confidence that
they  will  long  endure at  Vanguard,  for they are the  right  ideas and right
values, unshakable and eternal.

         While Emerson believed that "an institution is the lengthened shadow of
one man," Vanguard today is far greater than any  individual.  The Vanguard crew
has splendidly implemented and enthusiastically supported our founding ideas and
values, and deserves the credit for a vital role in forging our success over the
years.  It is a  dedicated  crew of fine human  beings,  working  together in an
organization  that is well prepared to press on regardless long after I am gone.
Creating and leading this  enterprise has been an exhilarating  run.  Through it
all,  I've taken the kudos and the blows  alike,  enjoying  every  moment to the
fullest,  and even getting a second chance at life with a heart transplant three
years ago. What more could a man ask?

         While I shall no longer be serving  on the  Vanguard  Board,  I want to
assure you that I will remain  vigorous and active in a newly  created  Vanguard
unit, researching the financial markets, writing, and speaking. I'll continue to
focus whatever  intellectual  power and ethical strength I possess on my mission
to assure that mutual fund  investors  everywhere  receive a fair shake.  In the
spirit of Robert Frost:

But I have  promises  to keep,  and miles to go before I sleep,  and miles to go
before I sleep.

         You have given me your  loyalty and  friendship  over these long years,
and I deeply  appreciate  your  thousands of letters of support.  For my part, I
will continue to keep an eagle eye on your  interests,  for you deserve no less.
May God bless you all, always.

/S/
JCB
- --------------------------------------------------------------------------------
CONTENTS

REPORT FROM THE CHAIRMAN   1
THE MARKETS IN PERSPECTIVE 6
REPORT FROM THE ADVISER    8
PERFORMANCE SUMMARIES      10
FUND PROFILES              12
FINANCIAL STATEMENTS       15
REPORT OF INDEPENDENT ACCOUNTANTS   27
- --------------------------------------------------------------------------------

<PAGE>

REPORT FROM THE CHAIRMAN

JOHN J. BRENNAN
[PHOTO OF JOHN J. BRENNAN]

Concerns  about higher  inflation  took hold of the bond market during the early
months of Vanguard Ohio  Tax-Exempt  Funds' 1999 fiscal year and never  loosened
their grip. The resulting decline in prices made the 12 months ended November 30
a difficult period for fixed-income investors.  Our Insured Long-Term Tax-Exempt
Fund registered a total return of -2.1%,  which was slightly better than that of
its  average  peer,  but  behind  that of its  unmanaged  benchmark  index.  Our
Tax-Exempt  Money Market fund earned a total  return of 3.0%,  just ahead of the
2.8% return of the average Ohio tax-exempt money market fund.
- --------------------------------------------------------------------------------
                                                         TOTAL RETURNS
                                                       FISCAL YEAR ENDED
                                                       NOVEMBER 30, 1999
- --------------------------------------------------------------------------------
VANGUARD OHIO TAX-EXEMPT
         MONEY MARKET FUND                                      3.0%
         (SEC 7-Day Annualized Yield: 3.54%)

Average Ohio Tax-Exempt
         Money Market Fund*                                     2.8
- --------------------------------------------------------------------------------
VANGUARD OHIO INSURED LONG-TERM
         TAX-EXEMPT FUND                                       -2.1%

Average Ohio  Municipal  Debt Fund*                            -3.0
- --------------------------------------------------------------------------------
 *Derived  from data provided by Lipper Inc.

         The table at right  presents  each fund's  12-month  return  along with
those of our average mutual fund  competitors.  The total return (capital change
plus reinvested  dividends) of our Insured Long-Term Tax-Exempt Fund is based on
a decrease in net asset value from $12.02 per share on  November  30,  1998,  to
$11.17 per share on November 30, 1999,  and is adjusted for  dividends  totaling
$0.582 per share paid from net investment  income and a  distribution  of $0.023
per share paid from net realized  capital  gains.  The Money  Market  Fund's net
asset value remained at $1 per share, as was expected but not guaranteed. At the
end of the fiscal year, the Insured  Long-Term  Fund's yield was 5.12%,  up from
4.28% a year earlier; the Money Market Fund's yield was 3.54%, up from 3.05%.

         For Ohio  residents,  income earned by our funds is exempt from federal
and Ohio  State  income  taxes,  but may be  subject  to local  taxes and to the
alternative minimum tax.

FINANCIAL MARKETS IN REVIEW

The 12 months ended  November 30 featured  plenty of positive  economic news, as
well as a good  deal of  apprehension  over how long  the  good  times  can last
without  touching  off  higher  inflation.  The  U.S.  economy  expanded  at  an
inflation-adjusted  rate of 4.3%  from the  third  quarter  of 1998 to the third
quarter of 1999, the nation's  unemployment rate hovered near record-low levels,
and inflation barely stirred.

         However,  the nagging  concern  that  inflation  would soon  accelerate
resulted in a steady rise in interest  rates  during the fiscal  year.  The rate
increase  merely  restrained  the stock  market,  which  managed  an  impressive
advance,  but dealt a heavy blow to bond prices, which suffered their worst year
since 1994.  The Federal  Reserve  Board went along with the uptrend in interest
rates,  hiking its target for  short-term  interest  rates by 25 basis points on
three  separate  occasions in an attempt to head off inflation it believes could
result from strong growth and tight labor markets.

                                       1

<PAGE>

         Technology  companies  propelled the U.S. stock market higher,  and the
Standard & Poor's 500 Index, which is dominated by large-capitalization  stocks,
returned  20.9%--the index's fifth straight year of returns higher than 20%. The
broad market,  as represented by the Wilshire 5000 Total Market Index,  advanced
an even higher  22.4%,  but a large  portion of the gain was  concentrated  in a
relatively  small  number of stocks.  Many  value-oriented  stocks were left far
behind.

         The yield of the 30-year  U.S.  Treasury  bond ended the fiscal year at
6.29%, up 123 basis points (1.23  percentage  points) from its starting point of
5.06% on November 30, 1998. The yield of 3-month U.S.  Treasury bills climbed to
5.30% on balance, from 4.48%. Yields of high-quality,  long-term municipal bonds
climbed  nearly a full  percentage  point,  from 4.89% when the period  began to
5.87% on November 30, 1999.  Yields of top-grade  (MIG-1)  3-month notes,  which
react more quickly to changes in short-term  interest rates,  rose from 2.95% to
3.80%.

         The Lehman Brothers 10 Year Municipal Bond Index, a good measure of the
long-term  municipal market,  recorded a return of -0.4% during our fiscal year.
Long-term bonds suffer more when interest rates are rising, just as they benefit
more from a decline in interest rates.

         Municipal  bonds  performed  well early in the 1999  fiscal year as new
issuance  dropped off from 1998's  near-record  levels and yields  remained high
relative to  Treasuries.  But their relative  performance  faltered later in the
period because many investors were attracted to corporate bonds.

         At the end of the fiscal year,  the spread  between yields of long-term
Treasuries  and long-term  munis stood at just 42 basis points (0.42  percentage
point).  This is an extremely  narrow gap, given that the income from Treasuries
is subject to federal  income taxes (but not state  taxes),  while income from a
state-specific municipal bond fund is fully exempt from federal and state taxes.
On November 30, the yield of a top-quality,  long-term  municipal bond was equal
to about 93% of the yield of the 30-year U.S. Treasury bond.  Historically,  the
ratio has been about 84%.

FISCAL 1999 PERFORMANCE OVERVIEW

The -2.1% return of Vanguard Ohio Insured Long-Term Tax-Exempt Fund was slightly
better than the -3.0% return of the average Ohio municipal bond fund,  which has
lower average credit quality than our fund but a similar average  maturity.  Our
return,  however,  was 1 percentage  point behind that of the  unmanaged  Lehman
Municipal  Bond Index.  Though our fund earned an income return of 4.8%, a price
decline  of -6.9%  engendered  by the rise in  interest  rates  pulled our total
return into negative territory for the year. (The Performance Summary on page 11
presents  a  breakdown  of the fund's  returns  into  their  income and  capital
components dating to the fund's  inception.) Our performance  advantage over our
average  peer was  primarily  the result of our lower costs.  The Lehman  index,
which includes  municipal bonds from across the country,  is a notoriously tough
competitor  because it does not incur the "real  world"  operating  expenses and
transaction costs that all mutual funds must bear. The index also has a slightly
lower  average  duration than your fund,  making it slightly  less  sensitive to
interest rate changes--an advantage during fiscal 1999.

         The  Tax-Exempt  Money  Market  Fund  provided a total  return of 3.0%,
outpacing  the 2.8%  return of its  average  peer.

                                       2

<PAGE>

Though the rise in interest rates during the past 12 months was to blame for the
poor bond  returns,  a slide in rates just one year ago provided a boost to bond
prices and  returns.  The simple  lesson is that  interest  rates rise and fall,
sometimes  gradually and sometimes sharply.  All bond investors should know that
over long periods, the ups and downs in rates tend to offset each other, leaving
a bond fund's  interest  income as the chief source of return.  And  considering
that  interest  paid on munis today is  considerably  higher than a year ago, it
would seem that tax-exempt securities have become more attractive. At a yield of
about 5.1% compounded annually, money doubles in a little more than 14 years, or
more than two years sooner than at 4.3%.

THE MUNICIPAL BOND TAX ADVANTAGE

For Ohio  residents,  the  income  earned by our funds is exempt  from  federal,
state,  and,  in most  cases,  local  taxes.  At current  yields,  investors  in
long-term municipal bonds who are taxed at the highest marginal tax rate (39.6%)
can earn an astounding 55% more  after-tax  income than they could in comparable
long-term U.S.  Treasury bonds.  Short-term  municipal  securities also offer an
advantage over taxable investments with similar maturities.  On November 30, the
yield of MIG-1  notes was almost 20% higher than the  after-tax  yield of 90-day
U.S.  Treasury  bills.  For Ohio  taxpayers  subject to the highest tax rates, a
yield of 5.9% on a tax-exempt long-term bond is the equivalent of a 9.8% taxable
yield.  For a tax-exempt  short-term  yield of 3.8%,  the taxable  equivalent is
6.3%.

         These remarkable  advantages are illustrated in the table below,  which
compares the annual net income earned on U.S. Treasury and tax-exempt securities
as of November 30, 1999, assuming a $100,000 investment.

         There is an important distinction between state-specific municipal bond
funds and U.S. Treasury bonds.  Treasury securities are backed by the full faith
and credit of the U.S.  government and therefore have unmatched  credit quality.
Also, municipal bond funds that confine their investments to a single state lack
the diversification that comes from spreading  investments among various states,
which may be subject to  different  economic  conditions  and  different  risks.
Private insurance on the bonds in our Long-Term Tax-Exempt Fund, however,  helps
to reduce these additional  credit risks.  Though the insurance does not provide
protection against  fluctuations in the fund's value, it guarantees full payment
of interest and principal for our bond holdings.
- --------------------------------------------------------------------------------
                                                  ILLUSTRATION OF INCOME FROM
                                              A HYPOTHETICAL $100,000 INVESTMENT
                                              ----------------------------------
                                               SHORT-TERM              LONG-TERM
- --------------------------------------------------------------------------------
Taxable gross income                            $5,300                  $6,300
Less taxes (39.6%)                              (2,100)                 (2,500)
Net after-tax income                             3,200                   3,800
- --------------------------------------------------------------------------------
Tax-exempt income                               $3,800                   $5,90
- --------------------------------------------------------------------------------
Tax-exempt income advantage                      $ 600                  $2,100
- --------------------------------------------------------------------------------
Percentage advantage                               19%                      55
- --------------------------------------------------------------------------------
This  illustration  assumes current yields (as of November 30, 1999) of 6.3% for
long-term U.S.  Treasury bonds, 5.3% for U.S. Treasury bills, 5.9% for long-term
municipals,  and 3.8% for short-term  municipals.  The tax adjustment  assumes a
typical  itemized tax return  based on a federal tax rate of 39.6%.  Income from
U.S.  Treasuries is not subject to state taxes;  local taxes are not considered.
The illustration is not intended to represent future results.

         This  insurance,  however,  is not generally  available for  short-term
securities. As a result, our investment adviser,  Vanguard's Fixed Income Group,
is responsible for preserving the principal value of the Tax-Exempt Money Market
Fund.  Money

                                       3

<PAGE>

market  mutual  funds  are  not  guaranteed  by the  Federal  Deposit  Insurance
Corporation, which insures bank accounts and certificates of deposit.

LONG-TERM PERFORMANCE OVERVIEW

An annual review of any mutual fund should be  accompanied  by an examination of
the fund's  longer-term  record. The table below compares the performance of our
funds since their June 18,  1990,  inception  with those of their  average  peer
mutual  funds.  It also  presents  the  current  value of  hypothetical  $10,000
investments  made at our funds'  inception.  As you can see, the  Vanguard  Ohio
Tax-Exempt Funds have established fine records versus their  competitors  during
their  life span of nearly  ten  years.  Our  advantage  over  this  period  has
amounted,  in the case of the Insured Long-Term Fund, to $1,290, or about 13% of
the original investment.
- --------------------------------------------------------------------------------
                                 TOTAL RETURNS
                       JUNE 18, 1990, TO NOVEMBER 30, 1999
                    ------------------------------------------------------------
                                                  FINAL VALUE OF
                          AVERAGE                   A $10,000
                        ANNUAL RETURN           INITIAL INVESTMENT*
                    -------------------   --------------------------------------
                               AVERAGE                AVERAGE
OHIO TAX-EXEMPT     VANGUARD  COMPETING   VANGUARD   COMPETING     VANGUARD
FUND                  FUND     FUND        FUND         FUND       ADVANTAGE
- --------------------------------------------------------------------------------
Money Market          3.4%     3.2%       $13,743      $13,443      $ 300
Insured Long-Term     7.1      6.3         19,114       17,824      1,290
- --------------------------------------------------------------------------------
*Assuming reinvestment of all income dividends and capital gains distributions.

         Our  performance  edge versus  competitors  over nearly a decade can be
explained by the same factor that explained our  outperformance  during the 1999
fiscal  year:  cost.  Our  funds  have  expense  ratios  (annual  expenses  as a
percentage of average net assets) of 0.19% for the Insured Long-Term  Tax-Exempt
Fund and 0.18% for the Money Market Tax-Exempt Fund--far below the 1.11% charged
by the  average  long-term  Ohio  tax-exempt  fund and the 0.58%  charged by the
average Ohio  tax-exempt  money market fund.  Because fund  operating  costs are
deducted  directly  from the  income  earned by a bond  fund,  our funds  have a
significant edge in their quest to provide returns that are superior to those of
similar funds. The combination of our cost advantage and skillful  management by
Vanguard's  Fixed  Income Group has  benefited  our  shareholders  over the past
decade, and we expect it to continue to do so in the future.

IN SUMMARY

During a period when the stock market seems invulnerable,  it's easy to overlook
the  merits of bonds.  However,  bond funds must not be judged by how well their
returns  stack up against  those of stock funds in a particular  period,  but by
what they can add to a balanced investment program,  namely,  current income and
relative  stability.  Vanguard Ohio Tax-Exempt Funds can provide a high level of
after-tax  income,  particularly  for those in high  income  tax  brackets,  and
especially  compared  with the income  available  from the stock  market,  whose
average  dividend yield is less than 1.5%. And because the  performance of bonds
often  differs  from  that of  equities,  a  commitment  to  bonds  is a  useful
diversifier that can help smooth the sometimes-volatile returns of stocks.

                                       4

<PAGE>

         We advise  investors to hold balanced  portfolios of stock funds,  bond
funds, and short-term  reserves in proportions  suitable to their own investment
goals, time horizon, and tolerance for risk. Once you have such a plan in place,
we advise you to stick with it through good times and bad.

/s/
John J. Brennan
Chairman and Chief Executive Officer

December 18, 1999

================================================================================
A NOTE OF THANKS TO OUR FOUNDER
================================================================================
As you may have read on the inside  cover of our report,  our  founder,  John C.
Bogle,  is retiring  December  31, 1999,  as Senior  Chairman of our Board after
nearly 25 years of devoted  service to Vanguard and our  shareholders.  Vanguard
investors  have Jack to thank for  creating a truly  mutual  mutual fund company
that operates solely in the interest of its fund  shareholders.  And mutual fund
investors  everywhere have benefited from his energetic  efforts to improve this
industry.  Finally, on a personal note, I am forever grateful to Jack for giving
me the opportunity to join this great company in 1982.

                                       5

<PAGE>

THE MARKETS IN PERSPECTIVE
YEAR ENDED NOVEMBER 30, 1999

Strong economic  expansion sent global stock markets charging higher but dealt a
blow to bond  prices  during  the fiscal  year  ended  November  30,  1999.  The
powerhouse U.S. economy led the global growth parade, joined by Asian, European,
and Latin American economies that had slumped or stagnated in 1998.

         Interest rates rose sharply as investors and monetary policymakers grew
increasingly  worried that such strong  economic growth would cause inflation to
surge.  Although the rise in rates caused bond prices to fall,  it only tempered
the stock market's advance.

U.S. STOCK MARKETS

Against  the  backdrop  of a booming  economy,  U.S.  companies  reported  solid
increases in earnings  during the fiscal  year.  The  nation's  economic  output
increased  at an  inflation-adjusted  rate of 4.3%--a very rapid pace for such a
large, mature economy.  Consumer spending, which accounts for roughly two-thirds
of economic activity, powered the expansion.  Americans spent freely, encouraged
by rising  wealth  from a long  bull  market,  a hot job  market,  and  climbing
incomes.
- --------------------------------------------------------------------------------
                                             AVERAGE ANNUAL RETURNS
                                         PERIODS ENDED NOVEMBER 30, 1999
                                        ---------------------------------
                                         1 YEAR      3 YEARS     5 YEARS
- --------------------------------------------------------------------------------
STOCKS
   S&P 500 Index                         20.9%       24.3%       27.5%
   Russell 2000 Index                    15.7        10.1        14.8
   Wilshire 5000 Index                   22.4        22.6        25.6
   MSCI EAFE Index                       21.4        12.3        11.4
- --------------------------------------------------------------------------------
BONDS
   Lehman Aggregate Bond Index            0.0%        5.6%        8.0%
   Lehman 10 Year Municipal Bond Index   -0.4         4.8         7.6
   Salomon Smith Barney 3-Month
    U.S. Treasury Bill Index              4.7         5.0         5.2
- --------------------------------------------------------------------------------
OTHER
   Consumer Price Index                   2.6%        2.0%        2.4%
- --------------------------------------------------------------------------------

         The stock market, as measured by the Wilshire 5000 Index,  gained 22.4%
overall.  For a change,  mid-capitalization  and small-cap stocks outpaced their
large-cap  brethren.  The large-cap S&P 500 Index,  which accounts for more than
75% of the U.S. stock  market's  total value,  gained 20.9% during the year; the
rest of the market (as measured by the Wilshire 4500 Index) gained 29.0%.

         Increasingly optimistic expectations for future corporate earnings more
than offset the negative  effects of rising  interest  rates during fiscal 1999.
Higher rates often hurt stock prices because many investors use current rates to
discount the value of a stock's projected earnings and dividends. The higher the
interest rate, the more future earnings are  discounted,  and the less investors
will pay for the stock now.

         Because of a remarkable surge in prices for technology  stocks,  growth
stocks again  outperformed value stocks during the past year. Within the S&P 500
Index, growth stocks--characterized by high prices in relation to earnings, book
value, and  dividends--recorded  a 28.5% return,  16 percentage points above the
12.5% return for value  stocks.  The disparity was even greater in the small-cap
segment of the market;  growth stocks  within the  small-cap  Russell 2000 Index
gained 32.7%, while value stocks posted a -1.4% return.

         Technology  stocks within the S&P 500 Index gained 66%. QUALCOMM posted
an eye-popping 1,200% return, and a number of computer-related stocks doubled or
tripled in

                                       6

<PAGE>

price,  including Sun  Microsystems  (+257%),  Apple  Computer  (+206%),  Oracle
(+197%), Gateway (+172%), Texas Instruments (+152%), and Cisco Systems (+136%).

         Big gains for wireless  telecommunications  and cable-TV stocks powered
the utilities  category to an overall gain of nearly 28%. The  producer-durables
group, which includes some technology-related  manufacturers as well as aircraft
and  equipment  makers,  gained 27%. Oil  exploration  and service  firms in the
"other energy"  category  posted a 26% return,  assisted by a jump in prices for
oil and natural gas.

         The year's  worst-performing  sector was consumer  staples (down nearly
- -12%).  This group suffered as severe price competition and a stronger dollar in
Europe  crimped  profits for many food and beverage  makers,  and the specter of
litigation costs caused tobacco stocks to slump. The auto & transportation group
declined -2% overall, with airline stocks hurt by rising prices for jet fuel.

U.S. BOND MARKETS

Stock  investors  may cheer a  fast-growing  economy,  but rapid growth tends to
worry   bond   investors.   Early  in  the   fiscal   year,   inflation   seemed
dormant--plunging  oil prices had taken  commodity  price  indexes to the lowest
point in a  quarter-century.  But as the  world  economy  began  hitting  on all
cylinders,  the bond  market  feared that a minuscule  U.S.  unemployment  rate,
rising  commodity  prices,  and capacity  constraints  would cause  inflation to
accelerate.  Although oil prices were up nearly 150% during the fiscal year, the
overall  price level,  as measured by the Consumer  Price Index,  increased by a
moderate 2.6%.

         The Federal Reserve Board, anticipating price pressures,  abandoned its
bias toward easier monetary policy,  and by mid-year was boosting interest rates
to try to throttle back the economic  engines.  The bond market was ahead of the
Fed--interest  rates began rising sharply in February.  By fiscal year-end,  the
yield of 30-year U.S. Treasury bonds had risen 1.23 percentage points (123 basis
points) to 6.29%. The 10-year Treasury note's yield rose 148 basis points,  from
4.71% to  6.19%.  The rise in  short-term  rates  was more  restrained;  3-month
Treasury bill yields were up 82 basis points to 5.30% at fiscal year-end.

         Bond prices fall when interest  rates rise,  and long-term  bond prices
are most  sensitive to changing  rates.  Long-term  Treasury bond prices fell by
more than -13%,  resulting in total  returns of -8%. The Lehman  Aggregate  Bond
Index,   a  measure  of  the  overall   taxable  bond   market,   which  has  an
intermediate-term  structure  on  average,  broke even on the year,  as interest
income of 6.2% was offset by price declines. The damage to municipal bond prices
was not as severe as for  Treasuries,  and the  intermediate-term  Lehman 7 Year
Municipal  Bond Index  recorded a price  decline of -3.7% and a total  return of
0.5%.

INTERNATIONAL STOCK MARKETS

International  markets had a strong year,  with European stocks gaining 21.9% in
local-currency  terms  and  Pacific-region   stocks  advancing  30.2%.  However,
currency effects significantly altered the returns to U.S.-based investors.  The
U.S.  dollar rose in value  against most  European  currencies  but fell sharply
against the Japanese  yen. As a result,  returns from Europe  plunged to 9.8% in
dollar terms while returns from the Pacific soared to 51.0%.

         Overall,   U.S.   investors   earned  21.4%  in  the  major   developed
international  markets, as measured by the Morgan Stanley Capital  International
Europe,  Australasia,  Far East (EAFE)  Index.  The bull markets in most nations
stemmed from renewed optimism that economic growth would continue to accelerate.
Japan and the rest of Asia,  which were hit  hardest by  currency  and  economic
crises in 1997 and 1998, saw the biggest stock gains.

         Emerging  markets,  as measured  by the Select  Emerging  Markets  Free
Index,  gained 37.1% in U.S.-dollar terms, as investors regained an appetite for
the considerable risks of smaller markets.

                                       7
<PAGE>

REPORT FROM THE ADVISER

Interest  rates rose during the 12 months ended  November  30, 1999,  the fiscal
year for the Vanguard Ohio  Tax-Exempt  Funds.  The rise was  principally due to
investors' fears about the impact of the strong economy and the low unemployment
rate on inflation. In the past, these factors have caused inflation to increase,
and many investors expect that history will repeat itself at some point. So far,
employment  costs and consumer price indexes have not risen  substantially,  but
each  number is being  closely  watched  for any  upsurge.  A desire to head off
inflation and concerns  about the booming  stock market led the Federal  Reserve
Board to increase interest rates three times during the fiscal year, raising the
federal funds rate by a total of 0.75 percentage point.

         As you might expect,  yields of insured long-term  municipal bonds rose
along with yields on U.S.  Treasury  bonds during fiscal 1999.  During the first
half of the year,  long-term insured  municipals  performed better than Treasury
securities;  municipal  yields  increased by less than half as much as those for
long-term  Treasuries.  But the  relative  performance  flip-flopped  during the
second half, when yields on long-term  municipals increased almost 11/2 times as
much as those on long  Treasuries.  Over the full fiscal year,  the yield on the
benchmark  30-year U.S. Treasury bond rose by 1.23 percentage points (from 5.06%
to 6.29%), while the yield of a similar AAA-rated municipal bond rose by about 1
percentage point (from 4.89% to 5.87%).

         Two  factors  account  for the  first-half  outperformance  of  insured
municipal bonds and for their later underperformance.  First, as the fiscal year
began in December 1998,  insured  municipal bonds were especially  attractive to
investors,  because the AAA-rated insured  municipal's  tax-exempt yield of 4.9%
was equal to 97% of the yield of a 30-year Treasury.  For an investor in the top
marginal tax bracket of 39.6%,  that 4.9% yield was  equivalent to an 8.1% yield
on a taxable  bond.  By May 31,  the middle of our fiscal  year,  the  long-term
insured municipal's yield was about 89% as high as the 30-year Treasury's yield,
making insured  municipal  bonds  somewhat less alluring.  The second factor was
that in the second  half of the fiscal  year,  corporate  bond yields had become
quite attractive,  providing stiff  competition for the bond investor's  dollar.
During this period the corporate bond market encountered the same type of supply
imbalance  that the municipal  market had seen in fiscal 1998,  as  corporations
rushed bond issues to market to complete their  financing  before the end of the
century.  The result was  attractively  high  yields on  corporate  debt,  which
enticed  some large  institutional  buyers away from the  municipal  market.  At
year-end,  yields on long-term  insured municipal bonds had risen in relation to
those on Treasuries,  and 30-year munis offered yields equal to 94% of yields on
30-year Treasuries.

         The  municipal  market  was  aided by the fact  that the  supply of new
issues  was  lower  during  1999 than in 1998.  Through  November,  issuance  of
municipal  securities in 1999 amounted to $207 billion,  down more than 20% from
the same period in 1998.  The main reason for the decline was a 53%  decrease in
the  issuance of  refunding  bonds,  whose  proceeds  are used to pay off

- --------------------------------------------------------------------------------
INVESTMENT PHILOSOPHY

The adviser  believes that each fund, while operating within stated maturity and
stringent  quality  targets,  can achieve a high level of current income that is
exempt  from  federal  and  Ohio  income  taxes  by  investing  in  insured  and
high-quality  uninsured  securities issued by Ohio state,  county, and municipal
governments.
- --------------------------------------------------------------------------------

                                       8
<PAGE>

older,  higher-coupon  bonds.  Because of the rise in interest rates,  refunding
issues generally did not make fiscal sense during 1999. As the economy continued
to expand, the supply of bonds issued for new projects was unchanged from 1998.

THE INSURED LONG-TERM TAX-EXEMPT FUND

Long-term  bonds  typically are hurt most by rising interest rates. As a result,
the Ohio Insured Long-Term Tax-Exempt Fund suffered a price decline of -6.9% and
posted a total return of -2.1%.  Although  negative returns are never good news,
this result  actually was strong in comparison with  competitors,  whose average
return was -3.0%. Our edge over the average peer fund was due to the combination
of Vanguard's disciplined approach to risk and our low operating expenses.

         Across all bond  maturities,  we seek to find the best  values for each
level of interest rate risk.  This strategy  helped in a year of rising interest
rates. Our focus on keeping expenses low is helpful at all times and is critical
in  delivering  above-average  tax-exempt  income,  since  expenses are deducted
directly from a bond fund's interest  income.  Our emphasis on keeping the funds
invested in high-quality securities benefits our shareholders by reducing credit
risk. The overall effect is a happy  paradox:  The  coexistence of low costs and
high quality  results in an attractive  combination  of superior  yields and low
credit risk.

THE TAX-EXEMPT MONEY MARKET FUND

Our Tax-Exempt  Money Market Fund returned 3.0% during fiscal 1999,  beating the
2.8%  return of the average  Ohio  tax-exempt  money  market  fund.  The rise in
interest  rates during the period was slightly less  pronounced  for  tax-exempt
money market  instruments than for long-term bonds. After rising 19 basis points
during the first half of the fiscal year,  yields on 1-year  municipals  rose 69
basis points  during the second  half,  which is  traditionally  a time of heavy
borrowing by  municipalities.  The benchmark 1-year MIG-1 note closed the fiscal
year  with a yield of 3.87%,  up 88 basis  points  from the  2.99%  yield a year
earlier.  Yields on the 1-year U.S. Treasury bill, meanwhile,  rose by 118 basis
points for the year to 5.68%,  after a second-half  jump of 71 basis points.  On
balance,  short-term  tax-exempt  securities  became  slightly  more  attractive
relative to Treasury securities: The ratio of the yield on 1-year MIG-1 notes to
that on 1-year Treasury bills rose from 66.4% to 68.1% during the year.

         As we begin  fiscal  year 2000,  the  Tax-Exempt  Money  Market Fund is
positioned   to  take   advantage  of  its  dual   strengths  of   conservative,
quality-oriented  management  and  low  operating  expenses.  We  believe  these
strengths  will  continue to  generate  superior  risk-adjusted  returns for our
shareholders.

Ian A. MacKinnon, Managing Director
Christopher M. Ryon, Principal
Pamela Wisehaupt Tynan, Principal
John M. Carbone, Principal
Vanguard Fixed Income Group

December 13, 1999

                                       9

<PAGE>

PERFORMANCE SUMMARY
OHIO TAX-EXEMPT MONEY MARKET FUND

All of the data on this page represent past performance, which cannot be used to
predict  future  returns  that may be  achieved  by the fund.  Note that  annual
returns  can  fluctuate  widely.  An  investment  in a money  market fund is not
insured or guaranteed by the Federal Deposit Insurance  Corporation or any other
government  agency.  Although  the fund  seeks  to  preserve  the  value of your
investment  at $1 per share,  it is possible to lose money by  investing  in the
fund.

TOTAL INVESTMENT RETURNS: JUNE 18, 1990-NOVEMBER 30, 1999
- ---------------------------------------------------------
              OHIO TAX-EXEMPT
             MONEY MARKET FUND
                                    AVERAGE
                                    FUND
FISCAL   CAPITAL  INCOME   TOTAL    TOTAL
YEAR     RETURN   RETURN   RETURN   RETURN
- ---------------------------------------------
1990     0.0%     2.6%     2.6%      2.5%
1991     0.0      4.7      4.7       4.5
1992     0.0      3.0      3.0       2.9
1993     0.0      2.4      2.4       2.2
1994     0.0      2.6      2.6       2.4
1995     0.0      3.8      3.8       3.5
1996     0.0      3.4      3.4       3.1
1997     0.0      3.5      3.5       3.2
1998     0.0      3.4      3.4       3.1
1999     0.0      3.0      3.0       2.8
- ---------------------------------------------
SEC 7-Day Annualized Yield (11/30/1999): 3.54%
- ---------------------------------------------
*Average Ohio Tax-Exempt Money Market Fund.
See Financial  Highlights table on page 23
for dividend information for the past
five years.

CUMULATIVE PERFORMANCE: JUNE 18, 1990-NOVEMBER 30, 1999
- -------------------------------------------------------
         199008           10115          10107
         199011           10259          10246
         199102           10394          10375
         199105           10515          10489
         199108           10626          10604
         199111           10736          10709
         199202           10831          10798
         199205           10920          10885
         199208           10990          10952
         199211           11061          11017
         199302           11129          11078
         199305           11194          11139
         199308           11257          11198
         199311           11324          11254
         199402           11386          11308
         199405           11454          11371
         199408           11526          11443
         199411           11616          11520
         199502           11721          11613
         199505           11839          11722
         199508           11946          11826
         199511           12056          11921
         199602           12162          12015
         199605           12265          12109
         199608           12365          12207
         199611           12468          12294
         199702           12570          12383
         199705           12680          12486
         199708           12791          12594
         199711           12903          12690
         199802           13011          12785
         199805           13124          12889
         199808           13232          12993
         199811           13337          13080
         199902           13432          13164
         199905           13531          13255
         199908           13632          13352
         199911           13743          13443














                               AVERAGE ANNUAL TOTAL RETURNS
                             PERIODS ENDED NOVEMBER 30, 1999
                             -------------------------------
                                                  SINCE         FINAL VALUE OF A
                              1 YEAR    5 YEARS   INCEPTION   $10,000 INVESTMENT
- --------------------------------------------------------------------------------
 Ohio Tax-Exempt Money
  Market Fund                 3.04%     3.42%       3.42%           $13,743
 Average Ohio Tax-Exempt
  Money Market Fund*          2.77      3.14        3.18             13,443
- --------------------------------------------------------------------------------
*Derived from data provided by Lipper Inc.



AVERAGE ANNUAL TOTAL RETURNS: PERIODS ENDED SEPTEMBER 30, 1999*
- --------------------------------------------------------------------------------
                                                             SINCE INCEPTION
                      INCEPTION                         ------------------------
                        DATE          1 YEAR   5 YEARS  CAPITAL  INCOME  TOTAL
- --------------------------------------------------------------------------------
Ohio Tax-Exempt
 Money Market Fund    6/18/1990       3.01%    3.42%    0.00%    3.42%   3.42%
- --------------------------------------------------------------------------------
*SEC rules require that we provide this average annual total return  information
through the latest calendar quarter.

                                       10

<PAGE>

PERFORMANCE SUMMARY
OHIO INSURED LONG-TERM TAX-EXEMPT FUND

All of the data on this page represent past performance, which cannot be used to
predict  future returns that may be achieved by the fund.  Note,  too, that both
share  price and  return  can  fluctuate  widely.  An  investor's  shares,  when
redeemed, could be worth more or less than their original cost.

TOTAL INVESTMENT RETURNS: JUNE 18, 1990-NOVEMBER 30, 1999
- ---------------------------------------------------------
         OHIO INSURED LONG-TERM
           TAX-EXEMPT FUND          LEHMAN*
FISCAL   CAPITAL  INCOME   TOTAL    TOTAL
YEAR     RETURN   RETURN   RETURN   RETURN
- -------------------------------------------
1990     3.0%     3.0%     6.0%      4.9%
1991     2.9      6.6      9.5      10.3
1992     4.5      6.2     10.7      10.0
1993     6.3      5.7     12.0      11.1
1994   -11.2      4.9     -6.3      -5.2
1995    13.1%     6.4%    19.5%     18.9%
1996     0.3      5.4      5.7       5.9
1997     0.9      5.4      6.3       7.2
1998     2.6      5.2      7.8       7.8
1999    -6.9      4.8     -2.1      -1.1
- -------------------------------------------
*Lehman Municipal Bond Index.
See  Financial  Highlights  table  on page 24 for  dividend  and  capital  gains
information for the past five years.


CUMULATIVE PERFORMANCE: JUNE 18, 1990-NOVEMBER 30, 1999
- -------------------------------------------------------
         199008         10079         10055         10091
         199011         10604         10449         10487
         199102         10836         10677         10767
         199105         11132         10941         11011
         199108         11341         11153         11281
         199111         11611         11404         11563
         199202         11902         11683         11842
         199205         12182         11927         12092
         199208         12662         12335         12540
         199211         12853         12485         12722
         199302         13727         13244         13471
         199305         13814         13329         13539
         199308         14327         13804         14070
         199311         14400         13933         14132
         199402         14456         13987         14216
         199405         14142         13601         13873
         199408         14334         13711         14095
         199411         13495         13026         13394
         199502         14872         14142         14490
         199505         15427         14712         15142
         199508         15499         14715         15345
         199511         16119         15444         15926
         199602         16314         15486         16091
         199605         16007         15203         15834
         199608         16352         15423         16149
         199611         17045         16199         16862
         199702         17133         16209         16977
         199705         17272         16347         17145
         199708         17725         16688         17643
         199711         18119         17210         18072
         199802         18610         17535         18529
         199805         18815         17747         18753
         199808         19261         17993         19169
         199811         19528         18377         19474
         199902         19719         18419         19669
         199905         19597         18372         19629
         199908         19173         17818         19265
         199911         19114         17824         19265




                                AVERAGE ANNUAL TOTAL RETURNS
                               PERIODS ENDED NOVEMBER 30, 1999
                               ---------------------------------
                                                   SINCE        FINAL VALUE OF A
                               1 YEAR   5 YEARS   INCEPTION   $10,000 INVESTMENT
- --------------------------------------------------------------------------------
Ohio Insured Long-Term
 Tax-Exempt Fund               -2.13%   7.21%     7.09%             $19,114
Average Ohio Municipal Fund*   -3.01    6.47      6.31               17,824
Lehman Municipal Bond Index    -1.07    7.54      7.18               19,265
- --------------------------------------------------------------------------------
*Derived from data provided by Lipper Inc.



AVERAGE ANNUAL TOTAL RETURNS: PERIODS ENDED SEPTEMBER 30, 1999*
- --------------------------------------------------------------------------------

                                                              SINCE INCEPTION
                       INCEPTION                          ----------------------
                         DATE           1 YEAR   5 YEARS  CAPITAL INCOME   TOTAL
- --------------------------------------------------------------------------------
Ohio Insured Long-Term
 Tax-Exempt  Fund      6/18/1990        -2.04%   6.29%    1.54%   5.68%    7.22%
- --------------------------------------------------------------------------------
*SEC rules require that we provide this average annual total return  information
through the latest calendar quarter.

                                       11

<PAGE>

FUND PROFILE
OHIO TAX-EXEMPT MONEY MARKET FUND

This Profile  provides a snapshot of the fund's  characteristics  as of November
30, 1999. Key elements of this Profile are defined on page 13.

FINANCIAL ATTRIBUTES
- ---------------------------------
Yield                        3.5%
Average Maturity          55 days
Average Quality             MIG-1
Expense Ratio               0.18%

DISTRIBUTION BY CREDIT QUALITY
(% OF PORTFOLIO)
- ---------------------------------
MIG-1/SP-1+                 59.8%
A-1/P-1                     28.9
AAA/AA                       9.9
A                            1.4
- ---------------------------------
Total                      100.0%


                                       12

<PAGE>

AVERAGE COUPON. The average interest rate paid on the securities held by a fund.
It is expressed as a percentage of face value.

AVERAGE  DURATION.  An  estimate  of how much a bond  fund's  share  price  will
fluctuate in response to a change in interest  rates. To see how the price could
shift,  multiply the fund's  duration by the change in rates.  If interest rates
rise by one percentage point, the share price of a fund with an average duration
of five years  would  decline  by about 5%. If rates  decrease  by a  percentage
point, the fund's share price would rise by 5%.

AVERAGE  MATURITY.  The average  length of time until bonds held by a fund reach
maturity  (or are  called) and are  repaid.  In general,  the longer the average
maturity, the more a fund's share price will fluctuate in response to changes in
market interest rates.

AVERAGE QUALITY.  An indicator of credit risk, this figure is the average of the
ratings assigned to a fund's securities holdings by credit-rating  agencies. The
agencies make their  judgment after  appraising an issuer's  ability to meet its
obligations.  Quality is graded on a scale,  with Aaa or AAA indicating the most
creditworthy  bond  issuers and A-1 or MIG-1  indicating  the most  creditworthy
issuers of money market securities.

BETA. A measure of the magnitude of a fund's past  share-price  fluctuations  in
relation  to the ups and downs of the  overall  market  (or  appropriate  market
index).  The market (or index) is assigned a beta of 1.00, so a fund with a beta
of 1.20  would have seen its share  price  rise or fall by 12% when the  overall
market rose or fell by 10%.

CASH  RESERVES.  The  percentage  of a  fund's  net  assets  invested  in  "cash
equivalents"--highly  liquid,  short-term,  interest-bearing  instruments.  This
figure does not include  cash  invested in futures  contracts  to simulate  bond
investment.

Distribution by Credit Quality.  This breakdown of a fund's securities by credit
rating can help in gauging the risk that  returns  could be affected by defaults
or other credit problems.

DISTRIBUTION BY MATURITY.  An indicator of interest-rate  risk. In general,  the
higher the  concentration  of  longer-maturity  issues,  the more a fund's share
price will fluctuate in response to changes in interest rates.

EXPENSE  RATIO.  The  percentage of a fund's  average net assets used to pay its
annual  administrative  and advisory  expenses.  These expenses  directly reduce
returns to investors.


INVESTMENT  FOCUS.  This  grid  indicates  the  focus  of a fund in terms of two
attributes: average maturity (short, medium, or long) and average credit quality
(high, medium, or low).

NUMBER OF ISSUES.  An indicator of  diversification.  The more separate issues a
fund holds,  the less  susceptible  it is to a price  decline  stemming from the
problems of a  particular  issue.

R-SQUARED.  A measure of how much of a fund's past  returns can be  explained by
the returns from the overall market (or its benchmark  index). If a fund's total
return  were  precisely  synchronized  with the  overall  market's  return,  its
R-squared  would  be 1.00.  If a  fund's  returns  bore no  relationship  to the
market's returns, its R-squared would be 0.

YIELD.  A  snapshot  of a fund's  interest  income.  The yield,  expressed  as a
percentage  of the fund's net asset  value,  is based on income  earned over the
past 30 days (7 days for money  market  funds) and is  annualized,  or projected
forward for the coming year.

YIELD  TO  MATURITY.  The  rate of  return  an  investor  would  receive  if the
securities held by a fund were held to their maturity dates.

                                       13

<PAGE>

FUND PROFILE
OHIO INSURED LONG-TERM TAX-EXEMPT FUND

This Profile  provides a snapshot of the fund's  characteristics  as of November
30, 1999, compared where appropriate to an unmanaged index. Key elements of this
Profile are defined on page 13.

FINANCIAL ATTRIBUTES
- -----------------------------------------------
                 OHIO INSURED            LEHMAN
                    LONG-TERM            INDEX*
- -----------------------------------------------
Number of Issues          170            52,144
Yield                    5.1%                --
Yield to Maturity        5.3%                --
Average Coupon           5.2%              5.5%

Average Maturity   12.9 years        13.0 years
Average Quality           AAA               AA+
Average Duration    8.2 years         7.5 years
Expense Ratio           0.19%                --
Cash Reserves            0.1%                --

*Lehman Municipal Bond Index.

INVESTMENT FOCUS
- -----------------------------------------------
[grid]
AVERAGE MATURITY             LONG
CREDIT QUALITY               HIGH


VOLATILITY MEASURES
- -----------------------------------------------
                 OHIO INSURED            LEHMAN
                    LONG-TERM            INDEX*
- -----------------------------------------------
R-Squared                0.98              1.00
Beta                     1.07              1.00

*Lehman Municipal Bond Index.

DISTRIBUTION BY CREDIT QUALITY
(% OF PORTFOLIO)
- ------------------------------
AAA                     96.4%
AA                       3.6
A                        0.0
BBB                      0.0
BB                       0.0
B                        0.0
- ------------------------------
Total                  100.0%

DISTRIBUTION BY MATURITY
(% OF PORTFOLIO)
- ------------------------------
Under 1 Year             8.9%
1-5 Years               10.7
5-10 Years              22.7
10-20 Years             33.9
20-30 Years             23.8
Over 30 Years            0.0
- ------------------------------
Total                  100.0%

                                       14
<PAGE>

FINANCIAL STATEMENTS
NOVEMBER 30, 1999

STATEMENT OF NET ASSETS

This Statement  provides a detailed list of each fund's municipal bond holdings,
including each security's  market value on the last day of the reporting  period
and information on credit enhancements  (insurance or letters of credit).  Other
assets are added to, and  liabilities  are  subtracted  from, the value of Total
Municipal  Bonds to  calculate  the fund's Net Assets.  Finally,  Net Assets are
divided by the  outstanding  shares of the fund to arrive at its share price, or
Net Asset Value (NAV) Per Share.

         At the  end of the  Statement  of Net  Assets,  you  will  find a table
displaying  the  composition  of the  fund's  net  assets  on both a dollar  and
per-share basis. Undistributed Net Investment Income is usually zero because the
fund  distributes  its net income to  shareholders  as a dividend  each day. Any
realized gains must be distributed  annually, so the bulk of net assets consists
of Paid in Capital  (money  invested by  shareholders).  The  balance  shown for
Accumulated  Net Realized  Gains usually  approximates  the amount  available to
distribute to  shareholders  as taxable  capital gains as of the statement date,
but may  differ  because  certain  investments  or  transactions  may be treated
differently  for  financial  statement  and tax purposes.  Any  Accumulated  Net
Realized Losses,  and any cumulative  excess of distributions  over net realized
gains, will appear as negative balances.  Unrealized Appreciation (Depreciation)
is the difference  between the value of the fund's  investments  and their cost,
and reflects the gains  (losses) that would be realized if the fund were to sell
all of its investments at their statement-date values.

<TABLE>
<CAPTION>
<S>                                                               <C>      <C>              <C>      <C>      <C>
- -------------------------------------------------------------------------------------------------------------------
                                                                                                      FACE   MARKET
                                                                            MATURITY                AMOUNT   VALUE*
OHIO TAX-EXEMPT MONEY MARKET FUND                                COUPON         DATE                 (000)    (000)
- -------------------------------------------------------------------------------------------------------------------
MUNICIPAL BONDS (98.8%)
- -------------------------------------------------------------------------------------------------------------------
Akron-Summit County OH Public Library                             4.00%    12/1/1999        (3)      2,320    2,320
Butler County OH BAN                                              3.85%     8/3/2000                 3,000    3,008
Butler County OH BAN                                              4.14%    3/15/2000                 3,150    3,154
Butler County OH BAN                                              4.15%   10/19/2000                 4,490    4,505
Butler County OH BAN                                              4.18%    3/15/2000                 4,250    4,256
Cincinnati OH City School Dist. TAN                               5.00%    12/1/1999        (2)      3,005    3,005
Columbus OH Electric System Rev. VRDO                             3.60%    12/2/1999        LOC     14,520   14,520
Columbus OH GO                                                    4.75%    9/15/2000                 1,750    1,765
Columbus OH GO                                                    5.50%    6/15/2000                 2,000    2,024
Columbus OH GO VRDO                                               3.70%    12/2/1999                   900      900
Columbus OH Sewer Rev. VRDO                                       3.80%    12/2/1999                 3,100    3,100
Cuyahoga County OH Econ. Dev. Rev. VRDO (Cleveland Orchestra)     3.60%    12/2/1999        LOC      8,600    8,600
Cuyahoga County OH Hosp. Rev. (Meridia Health System)             7.25%    8/15/2000        (Prere.) 2,500    2,613
Cuyahoga County OH Hosp. Rev. VRDO (Cleveland Clinic Foundation)  3.90%    12/8/1999                19,100   19,100
Cuyahoga County OH Hosp. Rev. VRDO (Cleveland Clinic Foundation)  3.90%    12/8/1999        LOC      8,700    8,700
Cuyahoga County OH Hosp. Rev. VRDO (Univ. Hosp. Health Systems)   3.90%    12/2/1999        (2)     12,000   12,000
Dayton OH GO                                                      3.10%    12/1/1999        (3)        510      510
Fairfield County OH BAN                                           4.00%    7/25/2000                 2,930    2,940
Franklin County OH Hosp. Rev. (Riverside United Methodist)        7.50%    5/15/2000        (Prere.) 1,000    1,039
Franklin County OH Hosp. Rev. (Riverside United Methodist)        7.60%    5/15/2000        (Prere.)13,730  14,252
Franklin County OH Hosp. Rev. VRDO (U.S. Health Corp.)            3.90%    12/2/1999        LOC     18,520   18,520
Greene County OH GO                                               3.84%     9/7/2000                10,415   10,423
Hamilton County OH Hosp. Fac. Rev. VRDO (Bethesda Hosp.)          3.75%    12/2/1999        LOC     25,550   25,550
Hamilton County OH Hosp. Fac. Rev. VRDO
(Health Alliance of Greater Cincinnati)                           3.85%    12/8/1999        (1)      9,015    9,015
Hancock County OH BAN                                             3.42%    12/1/1999                 3,115    3,115
Kings OH Local School Dist. BAN                                   4.19%     3/1/2000                 6,000    6,011
Lorain County OH Hosp. Rev. CP (Catholic Healthcare Partners)     3.55%     3/9/2000                 7,000    7,000
Lorain County OH Hosp. Rev. CP (Catholic Healthcare Partners)     3.60%    2/14/1999                 7,000    7,000
Lorain County OH Hosp. Rev. CP (Catholic Healthcare Partners)     3.65%     3/7/2000                 5,600    5,600
Mason OH City School Dist. BAN                                    3.38%    2/17/2000                 5,750    5,755

                                       15
<PAGE>

- -------------------------------------------------------------------------------------------------------------------
                                                                                                      FACE   MARKET
                                                                            MATURITY                AMOUNT   VALUE*
OHIO TAX-EXEMPT MONEY MARKET FUND                                COUPON         DATE                 (000)    (000)
- -------------------------------------------------------------------------------------------------------------------
Montgomery County OH VRDO (Catholic Health Initiatives)           3.95%    12/8/1999                19,400   19,400
Ohio Air Quality Dev. Auth. PUT (Ohio Edison Project)             2.95%     2/1/2000        LOC      3,200    3,200
Ohio Air Quality Dev. Auth. VRDO (Cincinnati Gas &
 Electric Co. Project)                                            3.60%    12/2/1999        LOC      5,650    5,650
Ohio Air Quality Dev. Auth. VRDO (Cincinnati Gas &
 Electric Co. Project)                                            3.70%    12/2/1999        LOC      4,300    4,300
Ohio Air Quality Dev. Auth. VRDO (Cincinnati Gas &
 Electric Co. Project)                                            3.95%    12/2/1999        LOC      3,060    3,060
Ohio Air Quality Dev. Auth. VRDO (Timken Co.)                     3.90%    12/8/1999        LOC      5,000    5,000
Ohio Building Auth. Rev. (Arts Fac. Building Fund)                5.00%    10/1/2000                 3,830    3,867
Ohio Higher Educ. Fac. Comm. Rev. VRDO (Kenyon College)           3.90%    12/8/1999                10,000   10,000
Ohio Higher Educ. Fac. Comm. Rev. VRDO
(Mount Union College Project)                                     3.90%    12/2/1999        LOC      1,445    1,445
Ohio PCR VRDO (Sohio Air British Petroleum Co.)                   3.80%    12/2/1999                10,100   10,100
Ohio Public Fac. Comm. Rev. (Higher Educ. Capital Fac.)           4.50%    12/1/2000                 1,500    1,509
Ohio Public Fac. Comm. Rev. (Higher Educ. Capital Fac.)           5.00%    11/1/2000        (1)      5,540    5,604
Ohio Public Fac. Comm. Rev. (Mental Health Capital Fac.)         4.625%    12/1/1999                 1,570    1,570
Ohio School Dist. COP TAN                                         4.14%    6/30/2000                 5,000    5,021
Ohio Solid Waste Rev. VRDO (BP Exploration & Oil Inc. Project)    3.85%    12/2/1999                33,075   33,075
Ohio State Univ. CP                                               3.70%    12/2/1999                10,800   10,800
Ohio State Univ. CP                                               3.85%    12/2/1999                 2,500    2,500
Ohio State Univ. CP                                               4.00%    12/2/1999                12,100   12,100
Ohio Turnpike Comm. Rev. TOB VRDO                                 3.95%    12/2/1999        (3) +   15,000   15,000
Ohio Water Dev. Auth. PCR PUT (Ohio Edison Co. Project)           3.75%     9/1/2000        LOC      7,000    7,000
Ohio Water Dev. Auth. Pure Water Rev.                             5.40%     6/1/2000        (1)      3,260    3,287
Ohio Water Dev. Auth. Rev. (Duquesne Light Co.)                   3.95%    1/19/2000        (2)      4,300    4,300
Ohio Water Dev. Auth. Rev. VRDO (Mead Corp.)                      3.60%    12/2/1999        LOC      2,820    2,820
Ohio Water Dev. Auth. Rev. VRDO (Timken Co. Project)              3.90%    12/8/1999        LOC      4,065    4,065
Solon OH BAN                                                      3.60%    6/15/2000                 1,750    1,753
Toledo OH City Services Special Assessment VRDO                   3.90%    12/2/1999        LOC     22,600   22,600
Univ. of Cincinnati OH BAN                                        3.14%     3/1/2000                 5,000    5,003
OUTSIDE OHIO:
Puerto Rico Govt. Dev. Bank CP                                    3.55%    12/9/1999                15,200   15,200
Puerto Rico Govt. Dev. Bank VRDO                                  3.60%    12/8/1999        (1)      5,500    5,500

- -------------------------------------------------------------------------------------------------------------------
TOTAL MUNICIPAL BONDS
         (Cost $440,029)                                                                                    440,029
- -------------------------------------------------------------------------------------------------------------------
OTHER ASSETS AND LIABILITIES (1.2%)
- -------------------------------------------------------------------------------------------------------------------
Other Assets--Note B                                                                                          6,190
Liabilities                                                                                                  (1,005)
                                                                                                          ---------
                                                                                                              5,185
- -------------------------------------------------------------------------------------------------------------------
NET ASSETS (100%)
- -------------------------------------------------------------------------------------------------------------------
Applicable to 445,220,834 outstanding $.001 par value shares of beneficial interest
         (unlimited authorization)                                                                         $445,214
===================================================================================================================
NET ASSET VALUE PER SHARE                                                                                     $1.00
===================================================================================================================
*See Note A in Notes to Financial Statements.
+Securities  exempt from  registration  under Rule 144A of the Securities Act of
1933.  These  securities may be sold in transactions  exempt from  registration,
normally to qualified buyers. At November 30, 1999, the aggregate value of these
securities was $15,000,000, representing 3.4% of net assets.
For key to abbreviations and other references, see page 20.

- -------------------------------------------------------------------------------------------------------------------
AT NOVEMBER 30, 1999, NET ASSETS CONSISTED OF:
- -------------------------------------------------------------------------------------------------------------------
                                                                                                    AMOUNT      PER
                                                                                                     (000)    SHARE
- -------------------------------------------------------------------------------------------------------------------
Paid in Capital                                                                                   $445,224    $1.00
Undistributed Net Investment Income                                                                     --       --
Accumulated Net Realized Losses                                                                        (10)      --
Unrealized Appreciation                                                                                 --       --
- -------------------------------------------------------------------------------------------------------------------
NET ASSETS                                                                                        $445,214    $1.00
===================================================================================================================
</TABLE>

                                       16
<PAGE>
<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------------------
<S>                                                         <C>       <C>       <C>          <C>     <C>

                                                                                            FACE    MARKET
OHIO INSURED LONG-TERM                                                 MATURITY           AMOUNT    VALUE*
TAX-EXEMPT FUND                                            COUPON          DATE            (000)     (000)
- ----------------------------------------------------------------------------------------------------------
MUNICIPAL BONDS (99.9%)
- ----------------------------------------------------------------------------------------------------------
ISSUER INSURED (87.9%)
Adams County OH School Dist. GO                             5.55%     12/1/2009 (1)          1,000   1,033
Akron Bath & Copley OH Joint Township Hosp. Dist. Rev.
(Akron Medical Center Project)                             5.375%      1/1/2017 (2)          3,000   2,847
Akron Bath & Copley OH Joint Township Hosp. Dist. Rev.
(Akron Medical Center Project)                              5.50%      1/1/2008 (2)          1,000   1,020
Aurora County OH School Dist. GO                            5.80%     12/1/2016 (3)          3,000   3,017
Barberton OH School Dist. GO                               5.125%     11/1/2022 (3)          3,000   2,697
Bedford Heights OH GO                                       5.65%     12/1/2014 (2)            500     510
Butler County OH Sewer System Rev.                          5.00%     12/1/2023 (2)          2,245   1,969
Butler County OH Sewer System Rev.                         5.375%     12/1/2015 (3)          1,730   1,680
Butler County OH Sewer System Rev.                          6.25%     12/1/2002 (2)(Prere.)  2,925   3,102
Butler County OH Transp. Improvement Dist. Rev.             6.00%      4/1/2011 (4)          4,000   4,191
Butler County OH Transp. Improvement Dist. Rev.             6.00%      4/1/2012 (4)          2,320   2,446
Canal Winchester OH Local School Dist. GO                   6.00%     12/1/2013 (3)          1,680   1,757
Canton OH GO                                               5.375%     12/1/2007 (2)          1,000   1,023
Canton OH GO (Water Works System)                           5.75%     12/1/2010 (2)          1,000   1,041
Canton OH GO (Water Works System)                           5.85%     12/1/2015 (2)          1,000   1,016
Clermont County OH Hosp. Fac. Rev. (Mercy Health System)    5.50%      9/1/2006 (2)          2,500   2,577
Cleveland-Cuyahoga County OH Port Auth. Rev.
(Rock & Roll Hall of Fame                                   5.40%     12/1/2015 (2)          2,000   1,948
Cleveland OH Airport System Rev.                            0.00%      1/1/2005 (1)          3,975   3,095
Cleveland OH Airport System Rev.                           5.125%      1/1/2022 (4)          3,000   2,634
Cleveland OH Airport System Rev.                            7.25%      1/1/2000 (1)(Prere.)    800     818
Cleveland OH GO                                            5.375%      9/1/2010 (2)          1,000   1,022
Cleveland OH GO                                            5.375%      9/1/2012 (2)          1,000   1,011
Cleveland OH GO                                             5.50%      8/1/2009 (1)          4,500   4,643
Cleveland OH GO                                             6.25%     10/1/2001 (1)(Prere.)  2,500   2,634
Cleveland OH Public Power System Rev.                       5.25%    11/15/2016 (1)          5,950   5,667
Cleveland OH Public Power System Rev.                       7.00%    11/15/2004 (1)(Prere.)  2,750   3,080
Cleveland OH School Dist. GO                                0.00%     12/1/2005 (3)            700     521
Cleveland OH School Dist. GO                                0.00%     12/1/2006 (3)            700     493
Cleveland OH School Dist. GO                                0.00%     12/1/2007 (3)            500     332
Cleveland OH School Dist. GO                                0.00%     12/1/2008 (3)            400     251
Cleveland OH School Dist. GO                               5.875%     12/1/2011 (3)          1,500   1,557
Cleveland OH Water Works Rev.                               5.00%      1/1/2023 (4)          3,000   2,641
Cleveland OH Water Works Rev.                               5.00%      1/1/2028 (4)          2,000   1,730
Cleveland OH Water Works Rev.                               5.50%      1/1/2013 (1)          3,805   3,862
Cleveland OH Water Works Rev.                               5.50%      1/1/2021 (1)          6,500   6,264
Cleveland OH Water Works Rev.                               6.25%      1/1/2002 (2)(Prere.)  4,305   4,543
Cleveland OH Water Works Rev.                               6.25%      1/1/2015 (2)            195     203
Columbus OH Muni. Airport Auth. Rev. (Port of Columbus)     5.00%      1/1/2028 (2)          3,000   2,575
Columbus OH School Dist. GO                                 7.00%     12/1/2000 (3)(Prere.)  1,750   1,836
Cuyahoga County OH Hosp. Rev. (Univ. Hosp. Health System)  5.375%     1/15/2009 (1)          3,500   3,542
Cuyahoga County OH Hosp. Rev. (Univ. Hosp. Health System)   5.50%     1/15/2019 (1)          7,545   7,168
Cuyahoga County OH Hosp. Rev. (W.O. Walker Center Inc.)     5.00%      1/1/2023 (2)          2,500   2,173
Defiance OH Waterworks System GO                            5.65%     12/1/2018 (2)          1,130   1,108
Dublin OH School Dist. GO                                   0.00%     12/1/2005 (3)          1,220     908
Dublin OH School Dist. GO                                   0.00%     12/1/2006 (3)          1,220     859
Fairfield County OH Hosp. Rev. (Lancaster-Fairfield Hosp.) 5.375%     6/15/2015 (1)          3,000   2,926
Forest Hills OH School Dist. GO                             6.00%     12/1/2007 (1)            750     804
Franklin County OH Convention Center Rev.                   0.00%     12/1/2007 (1)          4,355   2,892
Franklin County OH Convention Center Rev.                   7.00%     12/1/2000 (1)(Prere.)    675     708
Franklin County OH Hosp. Rev. (Riverside United Methodist)  7.25%     5/15/2000 (1)(Prere.)  2,800   2,896
Gallia County OH Hosp. Rev. (Holzer Medical Center Project 5.125%     10/1/2013 (2)          3,000   2,875
Greater Cleveland OH Regional Transp. Auth. GO              5.00%     12/1/2018 (3)          5,000   4,506
Greater Cleveland OH Regional Transp. Auth. GO             5.375%     12/1/2010 (3)          1,665   1,691
Greater Cleveland OH Regional Transp. Auth. GO             5.375%     12/1/2012 (3)          1,850   1,852
Greater Cleveland OH Regional Transp. Auth. GO             5.375%     12/1/2013 (3)          1,850   1,835

                                       17

<PAGE>


- ----------------------------------------------------------------------------------------------------------
                                                                                           FACE     MARKET
OHIO INSURED LONG-TERM                                              MATURITY             AMOUNT     VALUE*
TAX-EXEMPT FUND                                            COUPON       DATE              (000)      (000)
- ----------------------------------------------------------------------------------------------------------
MUNICIPAL BONDS (99.9%)
- ----------------------------------------------------------------------------------------------------------
Greater Cleveland OH Regional Transp. Auth. GO              5.60%    12/1/2011  (3)         5,505    5,658
Greater Cleveland OH Regional Transp. Auth. GO              5.65%    12/1/2006  (3)(Prere.) 1,000    1,057
Greene County OH Sewer System Rev.                         5.125%    12/1/2020  (1)         2,000    1,819
Hamilton County OH Hosp. Fac. Rev. (Children's Hosp.)       5.20%    5/15/2009  (1)         2,000    1,993
Hamilton County OH Hosp. Fac. Rev. (Children's Hosp.)      5.375%    5/15/2013  (1)         2,235    2,207
Hamilton County OH Hosp. Fac. Rev. VRDO

(Health Alliance of Greater Cincinnati)                     3.85%    12/8/1999  (1)         5,385    5,385
Hamilton County OH Sales Tax Rev. (Hamilton County
 Football Project)                                          4.75%    12/1/2027  (1)         1,500    1,241
Hamilton County OH Sales Tax Rev. (Hamilton County
 Football Project)                                          5.00%    12/1/2018  (1)         3,000    2,703
Hamilton County OH Sales Tax Rev. (Hamilton County
 Football Project)                                          5.00%    12/1/2027  (1)         8,850    7,651
Hamilton County OH Sales Tax Rev. (Hamilton County
 Football Project)                                          5.50%    12/1/2013  (1)         2,000    2,009
Hamilton County OH Sewer System Rev.                        5.45%    12/1/2009  (3)         3,250   3,351
Hamilton OH Waterworks Rev.                                 6.30%   10/15/2021  (1)         2,000    2,032
Hilliard County OH School Dist. GO                          5.75%    12/1/2019  (3)         2,000    1,979
Hilliard County OH School Dist. GO                          6.55%    12/1/2005  (3)           500      547
Lake County OH Hosp. Fac. Rev. (Lake Hosp. System Inc.)    5.375%    8/15/2015  (2)         2,900    2,803
Lakota OH Local School Dist. GO                             5.05%    12/1/2013  (3)         1,925    1,845
Lisbon OH School Dist. GO                                   6.25%    12/1/2017  (2)         1,000    1,037
Lorain County OH Hosp. Rev. (Catholic Healthcare Partners  5.625%     9/1/2014  (1)         3,290    3,291
Lorain County OH Hosp. Rev. (Catholic Healthcare Partners)  6.00%     9/1/2006  (1)         1,500    1,591
Lorain County OH Hosp. Rev. (Catholic Healthcare Partners)  6.00%     9/1/2008  (1)         1,250    1,326
Loveland OH City School Dist. GO                            3.20%    12/1/1999  (1)         1,000    1,000
Loveland OH City School Dist. GO                            5.25%    12/1/2014  (1)         1,230    1,190
Lucas County OH GO                                          6.95%    12/1/2000  (1)(Prere.) 2,700    2,831
Lucas County OH Hosp. Rev. (ProMedica Health Care)          5.75%   11/15/2009  (1)         3,000    3,121
Lucas County OH Hosp. Rev. (ProMedica Health Care)          5.75%   11/15/2014  (1)         6,000    6,058
Lucas County OH Hosp. Rev. (ProMedica Health Care)         5.625%   11/15/2015  (2)         2,500    2,475
Lucas County OH Hosp. Rev. (ProMedica Health Care)         5.625%   11/15/2017  (2)         2,075    2,026
Marietta OH City School Dist. GO                            5.75%    12/1/2007  (1)(Prere.) 1,250    1,328
Medina OH School Dist. GO                                   6.20%    12/1/2002  (3)(Prere.) 2,100    2,243
Mount Vernon OH Sewer System Rev.                           6.00%    12/1/2012  (2)           750      774
New Philadelphia OH School Dist. GO                         6.25%    12/1/2017  (2)         2,300    2,370
North Canton OH GO                                          5.90%    12/1/2004  (2)(Prere.  2,000    2,146
Northeast OH Regional Sewer Dist. Rev.                      5.60%   11/15/2013  (2)         1,500    1,506
Northeast OH Regional Sewer Dist. Rev.                      6.50%   11/15/2001  (2)(Prere.) 2,500    2,628
Northwest OH Local School Dist. GO                          5.15%    12/1/2022  (3)         2,095    1,891
Oak Hills OH Local School Dist. GO                          7.20%    12/1/2009  (1)         1,625    1,888
Ohio Air Quality Dev. Auth. PCR (Ohio Edison Project        7.10%     6/1/2018  (3)         1,000    1,032
Ohio Air Quality Dev. Auth. PCR (Ohio Edison Project        7.45%     3/1/2016  (3)           500      514
Ohio Building Auth. Rev. (Adult Correctional Fac.)          5.50%     4/1/2016  (2)         4,965    4,850
Ohio Building Auth. Rev. (Adult Correctional Fac.)          5.95%    10/1/2013  (1)         3,000    3,092
Ohio Higher Educ. Fac. Rev. (Oberlin College)               5.00%    10/1/2026  (3)         1,000      704
Ohio Higher Educ. Fac. Rev. (Univ. of Dayton)               6.60%    12/1/2017  (3)         2,200    2,367
Ohio Higher Educ. Fac. Rev. (Univ. of Dayton)               6.75%    12/1/2015  (3)         1,000    1,073
Ohio Higher Educ. Fac. Rev. (Xavier Univ.                   5.30%    5/15/2017  (1)         3,000    2,842
Ohio Higher Educ. Fac. Rev. (Xavier Univ.)                 5.375%    5/15/2022  (1)         7,000    6,567
Ohio Higher Educ. Fac. Rev. (Xavier Univ.)                  6.00%    5/15/2011  (1)         2,000    2,106
Ohio Turnpike Comm. Rev.                                    5.25%    2/15/2013  (3)         1,780    1,742
Ohio Turnpike Comm. Rev.                                    5.70%    2/15/2006  (1)(Prere.) 1,000    1,062
Ohio Univ. General Receipts Rev. (Athen                     5.25%    12/1/2019  (4)         4,000    3,710
Ohio Water Dev. Auth. Fresh Water Rev.                      5.25%    12/1/2012  (4)         2,990    2,959
Ohio Water Dev. Auth. Fresh Water Rev.                      5.90%    12/1/2015  (2)         3,250    3,301
Ohio Water Dev. Auth. Pollution Control Fac. Rev.          5.125%     6/1/2019  (1)         2,750    2,514
Ohio Water Dev. Auth. Pollution Control Fac. Rev.           5.50%     6/1/2011  (1)         2,300    2,348
Ohio Water Dev. Auth. Pollution Control Fac. Rev.           5.50%    12/1/2014  (1)         1,595    1,592
Ohio Water Dev. Auth. Pure Water Rev.                       5.50%    12/1/2011  (2)         1,000    1,011
Ohio Water Dev. Auth. Pure Water Rev.                       7.00%    12/1/2009  (2)(ETM)    1,500    1,671

                                       18

<PAGE>

                                                                                           FACE     MARKET
OHIO INSURED LONG-TERM                                              MATURITY             AMOUNT     VALUE*
TAX-EXEMPT FUND                                            COUPON       DATE              (000)      (000)
- ----------------------------------------------------------------------------------------------------------
MUNICIPAL BONDS (99.9%)
- ----------------------------------------------------------------------------------------------------------
Olmsted Falls OH School Dist. GO                            5.85%   12/15/2017  (3)         2,000    2,007
Olmsted Falls OH School Dist. GO                            6.85%   12/15/2004  (3)(Prere.)   565     630
Ottowa County OH GO                                         7.00%     9/1/2001  (2)(Prere.)   500      533
Perrysburg OH Exempted Village School Dist. GO              5.00%    12/1/2025  (4)         1,385    1,441
Pickerington OH Local School Dist. GO                       5.00%    12/1/2019  (2)         3,000    2,695
Pickerington OH Local School Dist. GO                       5.80%    12/1/2009  (3)           500     524
Revere OH School Dist. GO                                   6.00%    12/1/2016  (2)         3,850    3,908
Reynoldsburg OH School Dist. GO                             0.00%    12/1/2009  (3)         1,465      866
Reynoldsburg OH School Dist. GO                             0.00%    12/1/2010  (3)         1,465      814
Reynoldsburg OH School Dist. GO                             6.55%    12/1/2002  (3)(Prere.) 3,600    3,880
Richland County OH GO                                       5.40%    12/1/2015  (2)         1,120    1,095
Richland County OH GO                                       6.95%    12/1/2011  (2)           450      501
South-Western City School Dist. (Franklin &
 Pickway County OH)                                         4.75%    12/1/2026  (2)         1,750    1,449
Springboro OH Community City School Dist. GO                5.25%    12/1/2016  (2)         3,000    2,857
Summit County OH GO                                         6.90%     8/1/2001  (2)(Prere.) 2,650    2,811
Summit County OH GO                                         6.90%     8/1/2002  (2)(Prere.)   175      186
Summit County OH GO                                         6.90%     8/1/2003  (2)(Prere.) 2,425    2,618
Toledo OH Waterworks Rev.                                   5.25%   11/15/2013  (3)         2,000    1,956
Trumbull County OH Hosp. Rev. (Trumbull Memorial Hosp.)     6.25%   11/15/2003  (3)(Prere.) 2,000    2,107
Univ. of Akron Ohio General Receipts                        5.50%     1/1/2019  (3)         3,045    2,927
Univ. of Arkon Ohio General Receipts                        5.70%     1/1/2024  (3)         2,000    1,946
Univ. of Akron Ohio General Reciepts                        5.75%     1/1/2029  (3)         3,000    2,921
Wood County OH GO (Justice Center)                          5.95%    12/1/2007  (2)         1,750    1,831
Woodridge OH School Dist. GO                                6.00%    12/1/2019  (2)         1,000    1,010
Woodridge OH School Dist. GO                                6.80%    12/1/2014  (4)         2,195    1,297
Wooster OH School Dist. GO                                  0.00%    12/1/2010  (4)         2,265    1,259
Wooster OH School Dist. GO                                  0.00%    12/1/2011  (4)         2,315    1,211
Wooster OH School Dist. GO                                  6.50%    12/1/2002  (2)(Prere.) 2,500    2,691
Wyoming OH School Dist.                                     5.15%    12/1/2027  (3)         3,250    2,888
OUTSIDE OHIO:
Puerto Rico Govt. Dev. Bank VRDO                            3.60%    12/8/1999  (1)         3,300    3,300
Puerto Rico Public Building Auth. Rev.                      0.00%     7/1/2001  (3)           850      795
Puerto Rico Public Building Auth. Rev.                      5.00%     7/1/2027  (2)         1,500    1,319
                                                                                                 ---------
                                                                                                   333,252
                                                                                                 ---------
SECONDARY MARKET INSURED (1.6%)
Franklin County OH Hosp. Rev.
(Mount Carmel Health-Holy Cross Health System)              6.75%     6/1/2002  (1)(Prere.) 2,000    2,145
Ohio Higher Educ. Fac. Rev. (John Carroll Univ.)            5.75%     4/1/2019  (1)         4,000    3,958
                                                                                                 ---------
                                                                                                     6,103
                                                                                                 ---------

NONINSURED (10.4%)
Clermont County OH Hosp. Fac. Rev. VRDO
 (Mercy Health Systems)                                     3.90%    12/8/1999                100      100
Columbus OH GO                                              5.25%    5/15/2009              1,000    1,016
Cuyahoga County OH Econ. Dev. Rev. VRDO
 (Cleveland Orchestra)                                      3.60%    12/2/1999  LOC         1,000    1,000
Cuyahoga County OH Hosp. Rev. (Cleveland Clinic Foundation)5.125%     1/1/2029              1,250    1,076
Cuyahoga County OH Hosp. Rev. VRDO
 (Cleveland Clinic Foundation)                              3.90%    12/8/1999  LOC           300      300
Franklin County OH GO                                       5.00%    12/1/2017              3,780    3,449
Franklin County OH GO                                      5.375%    12/1/2020              9,255    8,759
Hamilton County OH Hosp. Fac. Rev. VRDO (Bethesda Hosp.     3.75%    12/2/1999  LOC           300      300
Ohio Air Quality Dev. Auth. VRDO
(Cincinnati Gas & Electric Co. Project)                     3.60%    12/2/1999  LOC         1,100    1,100
Ohio Air Quality Dev. Auth. VRDO
(Cincinnati Gas & Electric Co. Project)                     3.95%    12/2/1999  LOC         2,100    2,100
Ohio Air Quality Dev. Auth. VRDO (Mead Corp.)               3.60%    12/2/1999  LOC         1,300    1,300
Ohio GO                                                    7.625%     8/1/2010              3,510    4,242
Ohio Higher Educ. Fac. Rev. (Case Western Reserve Univ.)    6.50%    10/1/2020                250      271
Ohio Housing Finance Agency Mortgage Rev.                  5.025%     3/1/2021              3,000    2,953
Ohio State Univ. General Receipts Rev.                      5.75%    12/1/2013  +           1,000    1,028
Ohio State Univ. General Receipts Rev.                      5.75%    12/1/2014  +           1,000    1,018

                                       19
<PAGE>

- ----------------------------------------------------------------------------------------------------------
                                                                                           FACE     MARKET
OHIO INSURED LONG-TERM                                              MATURITY             AMOUNT     VALUE*
TAX-EXEMPT FUND                                            COUPON       DATE              (000)      (000)
- ----------------------------------------------------------------------------------------------------------
Ohio State Univ. General Receipts Rev. VRDO                 3.95%    12/8/1999              4,000    4,000
Rocky River OH City School Dist. GO                        5.375%    12/1/2017              2,200    2,118
Sycamore OH Community School Dist. GO                       5.00%    12/1/2023              4,000    3,509
                                                                                                 ---------
                                                                                                    39,639
                                                                                                 ---------
- ----------------------------------------------------------------------------------------------------------
TOTAL MUNICIPAL BONDS
         (Cost $385,456)                                                                           378,994
- ----------------------------------------------------------------------------------------------------------
OTHER ASSETS AND LIABILITIES (0.1%)
- ----------------------------------------------------------------------------------------------------------
Other Assets--Note B                                                                                 7,368
Liabilities                                                                                         (7,040)
                                                                                                 ---------
                                                                                                       328
- ----------------------------------------------------------------------------------------------------------
NET ASSETS (100%)
- ----------------------------------------------------------------------------------------------------------
Applicable to 33,951,072 outstanding $.001 par value shares of beneficial interest
         (unlimited authorization)                                                                $379,322
==========================================================================================================
NET ASSET VALUE PER SHARE                                                                           $11.17
==========================================================================================================
*See Note A in Notes to Financial Statements.
+Security  purchased on a when-issued  or delayed  delivery  basis for which the
fund has not taken delivery as of November 30, 1999.
For key to abbreviations and other references, see below.
- ----------------------------------------------------------------------------------------------------------
AT NOVEMBER 30, 1999, NET ASSETS CONSISTED OF:
- ----------------------------------------------------------------------------------------------------------
                                                                                           AMOUNT      PER
                                                                                            (000)    SHARE
- ----------------------------------------------------------------------------------------------------------
Paid in Capital                                                                          $386,383   $11.38
Undistributed Net Investment Income                                                            --       --
Overdistributed Net Realized Gains--Note E                                                   (599)    (.02)
Unrealized Depreciation--Note F                                                            (6,462)    (.19)
- ----------------------------------------------------------------------------------------------------------
NET ASSETS                                                                               $379,322   $11.17
==========================================================================================================
</TABLE>

KEY TO ABBREVIATIONS

BAN--Bond Anticipation Note.
COP--Certificate of Participation.
CP--Commercial Paper.
GO--General Obligation Bond.
PCR--Pollution Control Revenue Bond.
PUT--Put Option Obligation.
TAN--Tax Anticipation Note.
TOB--Tender Option Bond.
VRDO--Variable Rate Demand Obligation.
(ETM)--Escrowed to Maturity.
(Prere.)--Prerefunded.

Scheduled principal and interest payments are guaranteed by:
(1) MBIA (Municipal Bond Insurance Association).
(2) AMBAC (Ambac Assurance Corporation).
(3) FGIC (Financial Guaranty Insurance Company).
(4) FSA (Financial Security Assurance).

The insurance does not guarantee the market value of the municipal bonds.

LOC--Scheduled  principal and interest payments are guaranteed by bank letter of
credit.

                                       20
<PAGE>

STATEMENT OF OPERATIONS

This Statement shows interest  earned by each fund during the reporting  period,
and details the operating  expenses charged to the fund. These expenses directly
reduce the amount of  investment  income  available  to pay to  shareholders  as
tax-exempt  income  dividends.  This  Statement  also shows any Net Gain  (Loss)
realized  on the  sale of  investments,  and the  increase  or  decrease  in the
Unrealized  Appreciation  (Depreciation) on investments  during the period. If a
fund  invested  in futures  contracts  during the  period,  the results of these
investments are shown separately.
- --------------------------------------------------------------------------------
                                                                    OHIO INSURED
                                               OHIO TAX-EXEMPT         LONG-TERM
                                                  MONEY MARKET        TAX-EXEMPT
                                                          FUND              FUND
                                               ---------------------------------
                                                  YEAR ENDED NOVEMBER 30, 1999
                                               ---------------------------------
                                                       (000)               (000)
- -------------------------------------------------------------------------------
INVESTMENT INCOME

INCOME
   Interest                                         $12,191             $18,774
                                               ---------------------------------
       Total Income                                  12,191              18,774
                                               ---------------------------------
EXPENSES

   The Vanguard Group--Note B

       Investment Advisory Services                      47                  45
       Management and Administrative                    552                 548
       Marketing and Distribution                        85                  65
   Custodian Fees                                         6                   5
   Auditing Fees                                          7                   7
   Shareholders' Reports                                  9                  11
   Trustees' Fees and Expenses                            1
                                               ---------------------------------
       Total Expenses                                   707                 682
       Expenses Paid Indirectly--Note C                  (6)                 (5)
       Net Expenses                                     701                 677
- --------------------------------------------------------------------------------
NET INVESTMENT INCOME                                11,490              18,097
- --------------------------------------------------------------------------------
REALIZED NET GAIN (LOSS)
         Investment Securities Sold                      (6)               (385)
         Futures Contracts                               --                 529
- --------------------------------------------------------------------------------
REALIZED NET GAIN (LOSS)                                 (6)                144
- --------------------------------------------------------------------------------
CHANGE IN UNREALIZED APPRECIATION (DEPRECIATION)
         Investment Securities                           --             (26,099)
         Futures Contracts                               --                  47
- --------------------------------------------------------------------------------
CHANGE IN UNREALIZED APPRECIATION (DEPRECIATION)         --             (26,052)
- --------------------------------------------------------------------------------
NET INCREASE (DECREASE) IN NET ASSETS
 RESULTING FROM OPERATIONS                          $11,484            $ (7,811)
================================================================================

                                       21
<PAGE>

STATEMENT OF CHANGES IN NET ASSETS

This  Statement  shows how each fund's total net assets  changed  during the two
most recent reporting periods.  The Operations  section  summarizes  information
detailed in the Statement of Operations. Because the fund distributes its income
to shareholders  each day, the amounts of  Distributions--Net  Investment Income
generally equal the net income earned as shown under the Operations section. The
amounts of Distributions--Realized  Capital Gain may not match the capital gains
shown in the Operations section,  because  distributions are determined on a tax
basis and may be made in a period different from the one in which the gains were
realized on the financial  statements.  The Capital Share  Transactions  section
shows the amount shareholders  invested in the fund, either by purchasing shares
or by reinvesting  distributions,  and the amounts  redeemed.  The corresponding
numbers of Shares Issued and Redeemed are shown at the end of the Statement.
- --------------------------------------------------------------------------------

                                   OHIO TAX-EXEMPT        OHIO INSURED LONG-TERM
                                  MONEY MARKET FUND          TAX-EXEMPT FUND
                                --------------------     -----------------------
                                            YEAR ENDED NOVEMBER 30,
                                ------------------------------------------------
                                      1999          1998       1999        1998
                                     (000)         (000)      (000)        (000)
- --------------------------------------------------------------------------------
INCREASE (DECREASE) IN NET ASSETS
OPERATIONS

   Net Investment Income            11,490        10,252     18,097      14,239
   Realized Net Gain (Loss)             (6)           --        144         520
   Change in Unrealized
     Appreciation (Depreciation)        --            --    (26,052)      6,387
         Net Increase (Decrease)
         in Net Assets Resulting
         from Operations            11,484        10,252     (7,811)     21,146
DISTRIBUTIONS
         Net Investment Income     (11,490)      (10,252)   (18,097)    (14,239)
         Realized Capital Gain          --            --       (611)         --
                                ------------------------------------------------
           Total Distributions     (11,490)      (10,252)   (18,708)    (14,239)
CAPITAL SHARE TRANSACTIONS1
   Issued                          446,766       330,928    148,841      93,813
   Issued in Lieu of Cash
    Distributions                   10,486         9,257     13,289      10,084
   Redeemed                       (356,696)     (293,952)   (80,072)    (40,024)
         Net Increase from
           Capital Share
           Transactions            100,556        46,233     82,058      63,873
- --------------------------------------------------------------------------------
   Total Increase                  100,550        46,233     55,539      70,780
- --------------------------------------------------------------------------------
NET ASSETS
   Beginning of Year               344,664       298,431    323,783     253,003
                                ------------------------------------------------
   End of Year                    $445,214      $344,664   $379,322    $323,783
================================================================================
1Shares Issued (Redeemed)

   Issued                          446,766       330,928     12,743       7,874
   Issued in Lieu of Cash
     Distributions                  10,486         9,257      1,145         846
   Redeemed                       (356,696)     (293,952)    (6,884)     (3,365)
                                ------------------------------------------------
           Net Increase in Shares
            Outstanding            100,556        46,233      7,004       5,355
================================================================================

                                       22
<PAGE>
FINANCIAL HIGHLIGHTS

This table  summarizes  each  fund's  investment  results and  distributions  to
shareholders on a per-share  basis. It also presents the fund's Total Return and
shows net  investment  income and expenses as percentages of average net assets.
These data will help you assess:  the  variability  of the fund's net income and
total returns from year to year;  the relative  contributions  of net income and
capital gains to the fund's total return; how much it costs to operate the fund;
and the extent to which the fund tends to distribute  capital  gains.  The table
also  shows the  Portfolio  Turnover  Rate,  a measure of  trading  activity.  A
turnover  rate of 100% means that the  average  security is held in the fund for
one year.  Money market  funds are not  required to report a Portfolio  Turnover
Rate.
<TABLE>
<CAPTION>
<S>                                                                <C>    <C>      <C>     <C>      <C>


- ----------------------------------------------------------------------------------------------------------
                                                                      OHIO TAX-EXEMPT MONEY MARKET FUND
                                                                             YEAR ENDED NOVEMBER 30,
                                                                  --------------------------------------

FOR A SHARE OUTSTANDING THROUGHOUT EACH YEAR                       1999   1998     1997    1996     1995
- ---------------------------------------------------------------------------------------------------------
NET ASSET VALUE, BEGINNING OF YEAR                                $1.00  $1.00    $1.00   $1.00    $1.00
- ---------------------------------------------------------------------------------------------------------
INVESTMENT OPERATIONS
         Net Investment Income                                     .030   .033     .034    .034     .037
         Net Realized and Unrealized Gain (Loss) on Investments      --     --       --      --       --
                                                                  ---------------------------------------
                  Total from Investment Operations                 .030   .033     .034    .034     .037
                                                                  ---------------------------------------
DISTRIBUTIONS
         Dividends from Net Investment Income                     (.030) (.033)   (.034)  (.034)   (.037)
         Distributions from Realized Capital Gains                   --     --       --      --       --
                                                                  ---------------------------------------
                  Total Distributions                             (.030) (.033)   (.034)  (.034)   (.037)
- ----------------------------------------------------------------------------------------------------------
NET ASSET VALUE, END OF YEAR                                      $1.00  $1.00    $1.00   $1.00    $1.00
=========================================================================================================
TOTAL RETURN                                                      3.04%  3.37%    3.49%   3.42%    3.78%
=========================================================================================================
RATIOS/SUPPLEMENTAL DATA
         Net Assets, End of Year (Millions)                        $445   $345     $298    $254     $178
         Ratio of Total Expenses to Average Net Assets            0.18%  0.20%    0.19%   0.20%    0.21%
         Ratio of Net Investment Income to Average Net Assets     3.00%  3.30%    3.43%   3.36%    3.71%
=========================================================================================================
</TABLE>

                                       23
<PAGE>



<TABLE>
<CAPTION>
<S>
 FINANCIAL HIGHLIGHTS (CONTINUED)                                  <C>       <C>       <C>      <C>       <C>

                                                                     OHIO INSURED LONG-TERM TAX-EXEMPT FUND
                                                                             YEAR ENDED NOVEMBER 30,
                                                                ----------------------------------------------


                                                                ----------------------------------------------
FOR A SHARE OUTSTANDING THROUGHOUT EACH YEAR                       1999      1998      1997     1996      1995
- --------------------------------------------------------------------------------------------------------------
NET ASSET VALUE, BEGINNING OF YEAR                               $12.02    $11.72    $11.67   $11.63    $10.28
- --------------------------------------------------------------------------------------------------------------
    Net Investment Income                                          .582      .592      .598     .603      .610
    Net Realized and Unrealized Gain (Loss) on Investments        (.827)     .300      .110     .040     1.350
        Total from Investment Operations                          (.245)     .892      .708     .643     1.960
DISTRIBUTIONS
    Dividends from Net Investment Income                          (.582)    (.592)    (.598)   (.603)    (.610)
    Distributions from Realized Capital Gains                     (.023)       --     (.060       --        --
        Total Distributions                                       (.605)    (.592)    (.658)   (.603)    (.610)
- --------------------------------------------------------------------------------------------------------------
NET ASSET VALUE, END OF YEAR                                     $11.17    $12.02    $11.72   $11.67    $11.63
==============================================================================================================
TOTAL RETURN                                                     -2.13%     7.78%     6.30%    5.75%    19.45%
==============================================================================================================
RATIOS/SUPPLEMENTAL DATA
         Net Assets, End of Year (Millions)                        $379      $324      $253     $216      $197
         Ratio of Total Expenses to Average Net Assets            0.19%     0.20%     0.17%    0.20%     0.21%
         Ratio of Net Investment Income to Average Net Assets     5.00%     4.98%     5.17%    5.26%     5.45%
         Portfolio Turnover Rate                                     8%        8%       14%      17%        7%
==============================================================================================================
</TABLE>
                                       24
<PAGE>
NOTES TO FINANCIAL STATEMENTS

Vanguard Ohio Tax-Exempt  Funds comprise the Ohio  Tax-Exempt  Money Market Fund
and Ohio Insured  Long-Term  Tax-Exempt  Fund, each of which is registered under
the Investment Company Act of 1940 as a diversified open-end investment company,
or mutual fund. Each fund invests in debt instruments of municipal issuers whose
ability to meet their  obligations  may be affected by  economic  and  political
developments in the state of Ohio.

A. The following  significant  accounting policies conform to generally accepted
accounting  principles  for mutual  funds.  The funds  consistently  follow such
policies in preparing their financial statements.

         1.  SECURITY  VALUATION:   Tax-Exempt  Money  Market  Fund:  Investment
securities  are valued at  amortized  cost,  which  approximates  market  value.
Insured  Long-Term  Tax-Exempt  Fund:  Bonds,  and  temporary  cash  investments
acquired  more than 60 days to maturity,  are valued using the latest bid prices
or using  valuations  based on a matrix system (which  considers such factors as
security  prices,  yields,  maturities,  and  ratings),  both  as  furnished  by
independent  pricing  services.  Other temporary cash  investments are valued at
amortized cost,  which  approximates  market value.  Securities for which market
quotations  are not  available  are  valued  by  methods  deemed by the Board of
Trustees to represent fair value.

         2. FEDERAL INCOME TAXES:  Each fund intends to continue to qualify as a
regulated investment company and distribute all of its income.  Accordingly,  no
provision for federal income taxes is required in the financial statements.

         3. FUTURES  CONTRACTS:  The Insured  Long-Term  Tax-Exempt Fund may use
Municipal  Bond Index,  U.S.  Treasury  Bond,  and U.S.  Treasury  Note  futures
contracts,  with the  objectives of enhancing  returns,  managing  interest rate
risk,   maintaining   liquidity,   diversifying   credit  risk,  and  minimizing
transaction  costs. The fund may purchase or sell futures  contracts  instead of
bonds to take advantage of pricing  differentials  between the futures contracts
and the  underlying  bonds.  The fund may also seek to take  advantage  of price
differences  among bond  market  sectors by  simultaneously  buying  futures (or
bonds) of one market  sector and selling  futures (or bonds) of another  sector.
Futures  contracts may also be used to simulate a fully invested position in the
underlying  bonds while  maintaining a cash balance for  liquidity.  The primary
risks  associated  with the use of futures  contracts are imperfect  correlation
between  changes  in market  values of bonds  held by the fund and the prices of
futures contracts, and the possibility of an illiquid market.

         Futures  contracts are valued based upon their quoted daily  settlement
prices. The aggregate principal amounts of the contracts are not recorded in the
financial statements. Fluctuations in the value of the contracts are recorded in
the  Statement  of Net Assets as an asset  (liability)  and in the  Statement of
Operations as  unrealized  appreciation  (depreciation)  until the contracts are
closed, when they are recorded as realized futures gains (losses).

         4. DISTRIBUTIONS: Distributions from net investment income are declared
daily  and  paid  on the  first  business  day of the  following  month.  Annual
distributions  from  realized  capital  gains,  if  any,  are  recorded  on  the
ex-dividend date.

         5.  OTHER:   Security  transactions  are  accounted  for  on  the  date
securities are bought or sold.  Costs used to determine  realized gains (losses)
on the sale of investment  securities are those of the specific securities sold.
Premiums and original issue discounts are amortized and accreted,  respectively,
to interest income over the lives of the respective securities.

                                      25

<PAGE>

B.  The  Vanguard  Group  furnishes  at  cost  investment  advisory,   corporate
management,  administrative,  marketing, and distribution SERVICES. THE COSTS OF
SUCH SERVICES ARE ALLOCATED TO EACH FUND UNDER METHODS  APPROVED BY THE BOARD OF
Trustees.  Each fund has  committed  to provide up to 0.40% of its net assets in
capital  contributions  to  Vanguard.  At  November  30,  1999,  the  funds  had
contributed capital to Vanguard (included in Other Assets) of:
- --------------------------------------------------------------------------------
                       CAPITAL CONTRIBUTION   PERCENTAGE       PERCENTAGE OF
                             TO VANGUARD       OF FUND           VANGUARD'S
OHIO TAX-EXEMPT FUND           (000)          NET ASSETS       CAPITALIZATION
- --------------------------------------------------------------------------------
Money Market                   $88              0.02%              0.09%
Insured Long-Term               79               0.02              0.08
- --------------------------------------------------------------------------------

The funds' Trustees and officers are also Directors and officers of Vanguard.

C. The  funds'  custodian  bank has  agreed  to  reduce  its fees when the funds
maintain cash on deposit in their non-interest-bearing custody accounts. For the
year ended November 30, 1999, custodian fee offset arrangements reduced expenses
of the Tax-Exempt  Money Market Fund and Insured  Long-Term  Tax-Exempt  Fund by
$6,000 and $5,000, respectively.

D. During the year ended  November 30, 1999,  the Insured  Long-Term  Tax-Exempt
Fund purchased  $112,255,000  of investment  securities and sold  $26,102,000 of
investment securities, other than temporary cash investments.

E. Capital gains distributions are determined on a tax basis and may differ from
realized  capital gains for financial  reporting  purposes due to differences in
the timing of realization of gains.  The Insured  Long-Term  Tax-Exempt Fund had
realized losses totaling  $506,000 through November 30, 1999, which are deferred
for tax purposes and reduce the amount of unrealized  appreciation on investment
securities  for tax purposes  (see Note F). At November  30, 1999,  the fund had
available  capital  losses of $93,000 to offset future net capital gains through
November 30, 2007.

F. At November  30,  1999,  net  unrealized  depreciation  of Insured  Long-Term
Tax-Exempt  Fund  investment  securities  for federal  income tax  purposes  was
$6,968,000,  consisting of unrealized gains of $5,653,000 on securities that had
risen in value since their  purchase and  $12,621,000  in  unrealized  losses on
securities that had fallen in value since their purchase (see Note E).

                                       26

<PAGE>

REPORT OF INDEPENDENT ACCOUNTANTS

To the Shareholders and Trustees of
Vanguard Ohio Tax-Exempt Funds

In our  opinion,  the  accompanying  statements  of net assets  and the  related
statements  of  operations  and of  changes  in net  assets  and  the  financial
highlights present fairly, in all material  respects,  the financial position of
Ohio  Tax-Exempt  Money Market Fund and Ohio Insured  Long-Term  Tax-Exempt Fund
(constituting  Vanguard  Ohio  Tax-Exempt  Funds,  hereafter  referred to as the
"Funds") at November 30, 1999,  the results of each of their  operations for the
year then  ended,  the  changes  in each of their net assets for each of the two
years in the period then ended and the financial highlights for each of the five
years in the period then ended, in conformity with generally accepted accounting
principles.  These  financial  statements  and financial  highlights  (hereafter
referred to as  "financial  statements")  are the  responsibility  of the Funds'
management;  our  responsibility  is to express  an  opinion on these  financial
statements  based on our  audits.  We  conducted  our audits of these  financial
statements  in accordance  with  generally  accepted  auditing  standards  which
require that we plan and perform the audit to obtain reasonable  assurance about
whether the financial  statements  are free of material  misstatement.  An audit
includes  examining,  on a test  basis,  evidence  supporting  the  amounts  and
disclosures in the financial  statements,  assessing the  accounting  principles
used and  significant  estimates made by management,  and evaluating the overall
financial  statement  presentation.  We believe that our audits,  which included
confirmation  of  securities  at November  30, 1999 by  correspondence  with the
custodian, provide a reasonable basis for the opinion expressed above.

PricewaterhouseCoopers LLP

Thirty South Seventeenth Street
Philadelphia, Pennsylvania 19103

January 6, 2000
- --------------------------------------------------------------------------------
SPECIAL 1999 TAX INFORMATION (UNAUDITED) FOR VANGUARD OHIO TAX-EXEMPT FUNDS

This  information  for the fiscal  year ended  November  30,  1999,  is included
pursuant to provisions of the Internal Revenue Code.

     The Ohio Insured Long-Term  Tax-Exempt Fund distributed $611,000 as capital
gain dividends  (from net long-term  capital gains) to  shareholders in December
1998, all of which is designated as a 20% rate gain distribution.

     Each  fund  designates  100% of its  income  dividends  as  exempt-interest
dividends.
- --------------------------------------------------------------------------------

                                       27
<PAGE>

THE VANGUARD FAMILY OF FUNDS

STOCK FUNDS
- -----------------------------------------------------
500 Index Fund
Aggressive Growth Fund
Capital Opportunity Fund
Convertible Securities Fund
Emerging  Markets Stock Index Fund
Energy Fund Equity Income Fund
European Stock Index Fund
Explorer Fund Extended Market Index Fund*
Global Equity Fund
Gold and Precious  Metals Fund
Growth and Income Fund
Growth Index Fund*
Health Care Fund
Institutional  Index Fund*
International  Growth Fund
International  Value Fund
Mid-Cap  Index Fund*
Morgan  Growth Fund
Pacific  Stock Index Fund
PRIMECAP Fund
REIT Index Fund
Selected Value Fund
Small-Cap Growth Index Fund*
Small-Cap Index Fund*
Small-Cap  Value  Index  Fund*
Tax-Managed  Capital  Appreciation  Fund*
Tax-Managed Growth and Income Fund*
Tax-Managed  International Fund*
Tax-Managed Small-Cap  Fund*
Total  International  Stock Index Fund
Total Stock Market Index Fund*
U.S.  Growth Fund
Utilities  Income Fund
Value Index Fund*
Windsor  Fund
Windsor II Fund

BALANCED FUNDS
- -----------------------------------------------------
Asset Allocation Fund
Balanced Index Fund
Global Asset Allocation Fund
LifeStrategy Conservative Growth Fund
LifeStrategy Growth Fund
LifeStrategy Income Fund
LifeStrategy Moderate Growth Fund
STAR Fund
Tax-Managed Balanced Fund
Wellesley Income Fund
Wellington Fund

BOND FUNDS
- -----------------------------------------------------
Admiral Intermediate-Term  Treasury Fun
Admiral Long-Term Treasury Fund
Admiral Short-Term  Treasury  Fund
GNMA  Fund
High-Yield   Corporate  Fund
High-Yield Tax-Exempt Fund
Insured Long-Term Tax-Exempt Fun
Intermediate-Term  Bond Index Fund
Intermediate-Term   Corporate  Fund
Intermediate-Term   Tax-Exempt  Fund
Intermediate-Term  Treasury Fund
Limited-Term  Tax-Exempt  Fund
Long-Term Bond Index Fund
Long-Term Corporate Fund
Long-Term Tax-Exempt Fund
Long-Term Treasury Fund
Preferred Stock Fund
Short-Term Bond Index Fund
Short-Term  Corporate Fund*
Short-Term  Federal Fund
Short-Term  Tax-Exempt  Fund
Short-Term  Treasury Fund
State Tax-Exempt Bond Funds (California, Florida,
Massachusetts, New Jersey, New
York, Ohio, Pennsylvania)
Total Bond Market Index Fund*











MONEY MARKET FUNDS
- -----------------------------------------------------
Admiral Treasury Money Market Fund
Federal Money Market Fund
Prime Money Market Fund*
State Tax-Exempt Money Market Funds
(California, New Jersey, New York, Ohio, Pennsylvania)
Tax-Exempt Money Market Fund
Treasury Money Market Fund

VARIABLE ANNUITY PLAN
- -----------------------------------------------------
Balanced  Portfolio
Diversified  Value Portfolio
Equity Income Portfolio
Equity Index  Portfolio
Growth  Portfolio
High-Grade  Bond  Portfolio
High Yield Bond Portfolio
International Portfolio
Mid-Cap Index Portfolio
Money Market Portfolio
REIT  Index  Portfolio
Short-Term  Corporate  Portfolio
Small  Company  Growth Portfolio

*Offers Institutional Shares.

For information  about Vanguard funds and our variable  annuity plan,  including
charges and  expenses,  obtain a prospectus  from The Vanguard  Group,  P.O. Box
2600,  Valley Forge, PA 19482-2600.  Read it carefully before you invest or send
money.

                                       28
<PAGE>

THE PEOPLE WHO GOVERN YOUR FUND

The  Trustees of your mutual fund are there to see that the fund is operated and
managed in your best interests  since,  as a shareholder,  you are part owner of
the fund.  Your  fund  Trustees  also  serve on the  Board of  Directors  of The
Vanguard  Group,  which is owned by the  funds  and  exists  solely  to  provide
services to them on an at-cost basis.

         Seven of Vanguard's  nine board members are  independent,  meaning that
they have no affiliation with Vanguard or the funds they oversee, apart from the
sizable personal investments they have made as private  individuals.  They bring
distinguished  backgrounds  in business,  academia,  and public service to their
task of working with Vanguard officers to establish the policies and oversee the
activities of the funds.

         Among board members' responsibilities are selecting investment advisers
for the funds;  monitoring fund operations,  performance,  and costs;  reviewing
contracts;  nominating  and  selecting  new  Trustees/Directors;   and  electing
Vanguard officers.

         The  list  below  provides  a  brief   description  of  each  Trustee's
professional affiliations. Noted in parentheses is the year in which the Trustee
joined the Vanguard Board.

TRUSTEES

JOHN  C.  BOGLE  ?  (1967)   Founder,   Senior   Chairman  of  the  Board,   and
Director/Trustee  of The  Vanguard  Group,  Inc.,  and  each  of the  investment
companies in The Vanguard Group.

JOHN J. BRENNAN ? (1987) Chairman of  the  Board, Chief Executive  Officer,  and
Director/Trustee of The Vanguard Group, Inc., and each of the investment
companies in The Vanguard Group.

JOANN HEFFERNAN HEISEN ?(1998) Vice President,  Chief Information Officer, and a
member of the  Executive  Committee of Johnson & Johnson;  Director of Johnson &
JohnsonoMerck Consumer Pharmaceuticals Co., The Medical Center at Princeton, and
Women's Research and Education Institute.

BRUCE K.  MACLAURY ? (1990)  President  Emeritus of The  Brookings  Institution;
Director of  American  Express  Bank Ltd.,  The St. Paul  Companies,  Inc.,  and
National Steel Corp.

BURTON G. MALKIEL ? (1977)  Chemical  Bank  Chairman's  Professor of  Economics,
Princeton  University;  Director of Prudential  Insurance Co. of America,  Banco
Bilbao Gestinova,  Baker Fentress & Co., The Jeffrey Co., and Select Sector SPDR
Trust.

ALFRED M. RANKIN,  JR. ? (1993)  Chairman,  President,  Chief  Executive
Officer, and Director of NACCO Industries,  Inc.; Director of The BFGoodrich Co.

JOHN C. SAWHILL ? (1991)  President  and Chief  Executive  Officer of The Nature
Conservancy;  formerly,  Director  and  Senior  Partner  of  McKinsey  & Co. and
President  of New York  University;  Director of Pacific Gas and  Electric  Co.,
Procter & Gamble Co., NACCO  Industries,  and Newfield  Exploration Co.

JAMES O. WELCH, JR. ? (1971) Retired Chairman of Nabisco Brands,  Inc.;  retired
Vice Chairman and Director of RJR Nabisco;  Director of TECO Energy,  Inc.,  and
Kmart Corp. J.  Lawrence  Wilson ? (1985)  Retired  Chairman of Rohm & Haas Co.;
Director  of  Cummins  Engine  Co. and The Mead  Corp.;  Trustee  of  Vanderbilt
University.

OTHER FUND OFFICERS

RAYMOND J.  KLAPINSKY  v  Secretary;  Managing  Director  and  Secretary  of The
Vanguard  Group,  Inc.;  Secretary  of each of the  investment  companies in The
Vanguard Group.

THOMAS J. HIGGINS v Treasurer;  Principal of The Vanguard Group, Inc.; Treasurer
of each of the investment companies in The Vanguard Group.

VANGUARD MANAGING DIRECTORS

R. GREGORY BARTON v Legal Department.
ROBERT A. DISTEFANO v Information Technology.
JAMES H. GATELY v Individual Investor Group.
KATHLEEN C. GUBANICH v Human Resources.
IAN A. MACKINNON v Fixed Income Group.
F. WILLIAM MCNABB, III v Institutional Investor Group.
MICHAEL S. MILLER v Planning and Development.
RALPH K. PACKARD v Chief Financial Officer.
GEORGE U. SAUTER v Core Management Group.

<PAGE>


ABOUT OUR COVER

Our cover art,  depicting HMS Vanguard at sea, is a reproduction  of Leading the
Way, a 1984 work created and  copyrighted by noted naval artist Tom Freeman,  of
Forest Hill, Maryland.

[SHIP]
[THE VANGUARD GROUP LOGO]
Post Office Box 2600
Valley Forge, Pennsylvania 19482-2600

All  comparative  mutual fund data are from Lipper  Inc. or  Morningstar,  Inc.,
unless otherwise noted.

"Standard & Poor's(R),"  "S&P(R),"  "S&P  500(R),"  "Standard & Poor's 500," and
"500" are trademarks of The McGraw-Hill Companies, Inc.

Frank Russell Company is the owner of trademarks and copyrights  relating to the
Russell Indexes.  "Wilshire 4500" and "Wilshire 5000" are trademarks of Wilshire
Associates.

WORLD WIDE WEB
www.vanguard.com

FUND INFORMATION
1-800-662-7447

INDIVIDUAL ACCOUNT SERVICES
1-800-662-2739

INSTITUTIONAL INVESTOR SERVICES
1-800-523-1036

This report is intended for the fund's  shareholders.  It may not be distributed
to  prospective  investors  unless it is preceded or  accompanied by the current
fund prospectus.

Q960-01/19/2000
(C) 2000 The Vanguard Group, Inc.

All rights reserved.
Vanguard Marketing
Corporation, Distributor.



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