VAN KAMPEN AMERICAN CAPITAL PENNSYLVANIA TAX FREE INCOME FUN
N-30D, 1996-08-28
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<PAGE>   1
 
- ---------------------------------------------------------------
                    TABLE OF CONTENTS
 
<TABLE>
<S>                                              <C>
Letter to Shareholders...........................   1
Performance Results..............................   3
Portfolio Highlights.............................   4
Portfolio Management Review......................   5
Portfolio of Investments.........................   7
Statement of Assets and Liabilities..............  14
Statement of Operations..........................  15
Statement of Changes in Net Assets...............  16
Financial Highlights.............................  17
Notes to Financial Statements....................  20
</TABLE>
 
PATF SAR 8/96
<PAGE>   2
 
                             LETTER TO SHAREHOLDERS
                                               [PHOTO OF MCDONNELL & POWELL
                                                DENNIS J. MCDONNELL AND DON G.
                                                            POWELL]
 
August 1, 1996
 
Dear Shareholder,
    As you may be aware, an agreement
was reached in late June for VK/AC
Holding, Inc., the parent company of
Van Kampen American Capital, Inc., to
be acquired by the Morgan Stanley
Group Inc. While this announcement
may appear commonplace in an
ever-changing financial industry, we
believe it represents an exciting
opportunity for shareholders of our
investment products.
    With Morgan Stanley's global
leadership in investment banking and
asset management and Van Kampen American Capital's reputation for competitive
long-term performance and superior investor services, together we will offer a
broader range of investment opportunities and expertise.
    The new ownership will not affect our commitment to pursuing excellence in
all aspects of our business. And, we expect very little change in the way your
mutual fund account is maintained and serviced.
    A proxy will be mailed to you shortly explaining the acquisition and asking
for your vote of approval. Please read it carefully and return your response for
inclusion in the shareholder vote. We value our relationship with you and look
forward to communicating more details of this transaction, which is anticipated
to be completed in November.
 
ECONOMIC REVIEW AND OUTLOOK
    The economy demonstrated an acceleration in growth during the six-month
reporting period. After a nominal 0.3 percent growth rate in the last quarter of
1995, GDP (the nation's gross domestic product) rose by 2.0 percent in this
year's first quarter. And, as anticipated, the economy grew by 4.2 percent in
the second quarter, partly reflecting a recovery from the effects of labor
strikes earlier in the year and extreme weather conditions across the country.
Upward momentum has been assisted by consumer spending, as indicated by a 5.6
percent rise in retail sales in the first five months of this year versus the
comparable 1995 period.
    In the manufacturing sector, economic reports, such as the National
Association of Purchasing Managers Index, suggested a continued rebound in
production from last winter's lower levels. In June, this index reached its
highest level since early 1995. Strong levels of exports and a replenishing of
inventories have helped support this momentum.
    Surprisingly healthy economic activity led to concerns that inflation may
rise and the Federal Reserve Board might tighten monetary policy. Inflation
remains modest, however, with consumer prices rising at about a 3 percent annual
rate over the past year. Meanwhile, the closely watched "core" Consumer Price
Index, which excludes volatile food and energy components, has risen year over
year at rates between 2.7 and 3.0 percent per year, with mid-1996 readings at a
moderate 2.7 percent. In general, recent reports have suggested an upward creep
in labor-related costs, while indicating that prices of many commodities have
begun to decline.
 
                                                           Continued on page two
 
                                        1
<PAGE>   3
 
    We anticipate that reasonably strong economic growth will continue during
the balance of 1996, albeit at more moderate rates than the second quarter's
swift pace. While we expect rates of inflation to remain near current levels,
the Fed may begin to lean toward greater restraint in its monetary policy in the
coming months. That suggests an upward bias for short-term interest rates and
for yields on long-term bonds to remain steady at current levels. In particular,
we expect 10-year Treasury yields to trade within a range of 5.7 and 6.3
percent, particularly when compared to taxable investments.
 
MUNICIPAL MARKET REVIEW AND OUTLOOK
    We witnessed significant movement in municipal bond yields during the first
six months of 1996. Early in the period, the Fed lowered rates in order to
energize the economy, and bond prices increased. By late February, however, the
markets became concerned that the Fed could reverse its strategy direction and
raise rates. As a result, yields, as measured by the Bond Buyer 40 Municipal
Bond Index, rose from 5.6 percent to 6.0 percent during the period.
    We believe market conditions for municipal bonds are poised for improvement
in the second half of 1996. Three major factors contribute to our optimism:
- -   Near-term concerns about the implementation of a major tax reform have
     faded. In early 1996, the municipal market was wary of the growing
     political momentum for tax reform, which could have eroded the value of the
     market's tax-exempt status. However, the momentum slowed substantially and
     now appears to be on the back burner until after the 1996 presidential
     election. This has added stability to the market.
- -   For high-income households, tax-exempt bonds provide an attractive after-tax
     alternative. Municipal bond yields have elevated to a point where taxable
     equivalent yields range between 8.5 and 10 percent for investors in the 31
     percent tax bracket or higher.
- -   Recent volatility in the equity markets coupled with rising interest rates
     are leading individual investors, as well as institutions, to reexamine
     their allocation of assets. In general, this translates into an increased
     emphasis on fixed-income, which should lend support to the municipal
     market.
    Looking ahead, inflation fears and concerns about economic growth may
continue to influence the municipal bond market and fund performance results.
Nevertheless, we are optimistic that tax-exempt securities will produce
attractive results for investors during the remainder of 1996.
    Additional details about your Fund, including a question and answer section
with your portfolio management team, is provided in this report. We appreciate
your continued confidence in your investment with Van Kampen American Capital.
Sincerely,
 
Don G. Powell
Don G. Powell
Chairman
Van Kampen American Capital
Investment Advisory Corp.
Dennis J. Mcdonnell
Dennis J. McDonnell
President
Van Kampen American Capital
Investment Advisory Corp.
 
                                        2
<PAGE>   4
 
             PERFORMANCE RESULTS FOR THE PERIOD ENDED JUNE 30, 1996
 
                          VAN KAMPEN AMERICAN CAPITAL
                       PENNSYLVANIA TAX FREE INCOME FUND
 
<TABLE>
<CAPTION>
                                         A SHARES    B SHARES    C SHARES
<S>                                      <C>         <C>         <C>
 TOTAL RETURNS
Six-month total return based on
  NAV(1)..............................     (1.21%)     (1.58%)     (1.58%)
Six-month total return(2).............     (5.88%)     (5.43%)     (2.55%)
One-year total return(2)..............      1.60%       1.81%       4.81%
Five-year average annual total
  return(2)...........................      6.71%         N/A         N/A
Life-of-Fund average annual total
  return(2)...........................      8.24%       3.48%       3.32%
Commencement date.....................   05/01/87    05/01/93    08/13/93
 DISTRIBUTION RATES AND YIELD
Distribution rate(3)..................      5.09%       4.57%       4.57%
Taxable equivalent distribution
  rate(4).............................      8.18%       7.35%       7.35%
SEC Yield(5)..........................      4.83%       4.31%       4.31%
</TABLE>
 
N/A = Not Applicable
 
(1)Assumes reinvestment of all distributions for the period and does not include
payment of the maximum sales charge (4.75% for A shares) or contingent deferred
sales charge for early withdrawal (4% for B shares and 1% for C shares).
 
(2)Standardized total return. Assumes reinvestment of all distributions for the
period and includes payment of the maximum sales charge (A shares) or contingent
deferred sales charge for early withdrawal (B and C shares).
 
(3)Distribution rate represents the monthly annualized distributions of the Fund
at the end of the period and not the earnings of the Fund.
 
(4)Taxable equivalent calculations reflect a combined federal and state income
tax rate of 37.8%, which takes into consideration the deductibility of
individual state taxes paid.
 
(5)SEC Yield is a standardized calculation prescribed by the Securities and
Exchange Commission for determining the amount of net income a portfolio should
theoretically generate for the 30-day period ending June 30, 1996. Had certain
expenses of the Fund not been assumed by VKAC, the SEC Yield would have been
4.82%, 4.30% and 4.30% for Classes A, B and C, respectively, and the total
returns would have been lower.
 
A portion of the interest income may be taxable for those investors subject to
the federal alternative minimum tax (AMT).
 
See the Fund Performance section of the current prospectus. Past performance
does not guarantee future results. Investment return and net asset value will
fluctuate with market conditions. Fund shares, when redeemed, may be worth more
or less than their original cost.
 
                                        3
<PAGE>   5
 
                              PORTFOLIO HIGHLIGHTS
 
         VAN KAMPEN AMERICAN CAPITAL PENNSYLVANIA TAX FREE INCOME FUND
 TOP TEN HOLDINGS AS OF JUNE 30, 1996
 
<TABLE>
<CAPTION>
                                                  PERCENTAGE OF FUND'S
                                                  LONG-TERM INVESTMENTS
<S>                                               <C>
Berks County, PA ..............................   2.5%
PA Economic Development Financial Authority
  Resource Recovery Revenue Northampton
  Generating ..................................   1.7%
Beaver County, PA Industrial Development
  Authority Pollution Control Revenue OH Edison
  Project .....................................   1.7%
Lycoming County, PA Authority Hospital Revenue
  Divine Providence Hospital ..................   1.7%
Cumberland County, PA Municipal Authority
  College Revenue Messiah College Project .....   1.7%
PA State Higher Educational Facility Authority
  Health Services Revenue Allegheny DE
  Valley ......................................   1.7%
Harrisburg, PA Parking Authority Revenue
  Guaranteed ..................................   1.7%
Lehigh County, PA General Purpose Authority
  Revenue Muhlenberg Hospital .................   1.6%
PA Housing Finance Agency .....................   1.5%
PA State Certificates of Participation ........   1.5%
</TABLE>
 
 CREDIT QUALITY
<TABLE>
<CAPTION>
            AS OF JUNE 30, 1996
<S>  <C>         <C>      <C>
  
 
/ /  AAA.......  54.2%
  
  
/ /  AA........   8.5%
  
  
/ /  A.........   8.8%
  
  
/ /  BBB.......  15.2%                        [PIE CHART]  
  
  
/ /  BB........   3.7%
  
  
/ /  B.........   0.5%
  
 
/ /  Non-Rated...  9.1%   Pie Chart
 
<CAPTION>
          AS OF DECEMBER 31, 1995
<S>  <C>         <C>      <C>
  
  
/ /  AAA.......  49.1%
  
  
/ /  AA........   7.2%
  
  
/ /  A.........  14.6%                        [PIE CHART]  
  
  
/ /  BBB.......  18.7%
  
  
/ /  BB........   3.9%
  
  
/ /  Non-Rated...  6.5%   Pie Chart
</TABLE>
 
Based on credit quality ratings issued by Standard & Poor's. For securities not
rated by Standard & Poor's, the Moody's rating is used.
 TOP FIVE PORTFOLIO HOLDINGS BY SECTOR
<TABLE>
<CAPTION>
 AS OF JUNE 30, 1996
<S>                      <C>
Health Care ..........   24.2%
Public Education .....   10.1%
Water and Sewer ......    9.5%
Public Building ......    8.2%
Higher Education .....    7.7%
 
<CAPTION>
  AS OF DECEMBER 31,
         1995
<S>                      <C>
Health Care ..........   28.2%
Water and Sewer ......   10.4%
Industrial Revenue ...    9.8%
Public Education .....    7.3%
Public Building ......    7.0%
</TABLE>
 
 DURATION
 
<TABLE>
<CAPTION>
            AS OF JUNE 30, 1996          AS OF DECEMBER 31, 1995
<S>         <C>                          <C>
Duration         8.23 years                     7.75 years
</TABLE>
 
                                        4
<PAGE>   6
 
                          PORTFOLIO MANAGEMENT REVIEW
         VAN KAMPEN AMERICAN CAPITAL PENNSYLVANIA TAX FREE INCOME FUND
 
We recently spoke with the management team of the Van Kampen American Capital
Pennsylvania Tax Free Income Fund about the key events and economic forces that
shaped the markets during the first half of the Fund's fiscal year. The team
includes Dennis Pietrzak, portfolio manager, and Peter W. Hegel, executive vice
president for fixed-income investments. The following excerpts reflect their
views on the Fund's performance during the six-month period ended June 30, 1996.
 
   Q
      WHAT EVENTS OR MARKET CONDITIONS HAD THE GREATEST IMPACT ON THE FUND
      DURING THE FIRST HALF OF THIS YEAR?
   A
      Early in the year, indicators pointing to a stronger, expanding economy
      sparked concern over inflation and expectations that the Federal Reserve
      Board would increase short-term interest rates in order to keep the
economy from overheating. The prospect of higher rates was a concern to the
market, which responded by trading toward lower prices and higher yields.
    On the other hand, municipal market concerns that major tax reform proposals
would gain acceptance--and potentially erode the tax-exempt status associated
with municipals--eased in the first half of 1996. So, even though bond prices
generally declined, they did so to a lesser extent in the municipal market.
 
   Q
      HOW WAS THE FUND'S PORTFOLIO STRUCTURED IN LIGHT OF
      THESE CONDITIONS?
   A
      Our focus has been on securities in the 15-year maturity range, which we
      felt offered the best relative value on a risk and return basis.
    In terms of supply, the Pennsylvania municipal market is heavily skewed
toward the healthcare and education sectors, so the Fund has a fairly large
concentration in these areas. To provide more balance, we have reduced the
Fund's exposure to the healthcare sector from over 28 percent of the Fund's
total assets at the beginning of the reporting period to over 24 percent on June
30, 1996. We have also increased our holdings in education. Please refer to page
four for Fund portfolio highlights.
 
   Q
      HOW DID THE FUND PERFORM DURING THE PERIOD?
   A
      The Fund's total return (Class A shares at net asset value) over the
      six-month period ended June 30, 1996, was -1.21 percent(1). In comparison,
      the market in general, as represented by the Lehman Brothers Municipal
Bond Index, was -0.45 percent for the same period. Longer term, the Fund
generated a one-year total return of 6.65 percent(1) (Class A shares at net
asset value) through June 30, 1996. The Lehman Index is a broad-based, unmanaged
index of municipal bonds and does not reflect any commissions or fees that would
be paid by an investor purchasing the securities it represents. Please refer to
the chart on page three for additional Fund performance results.
 
                                        5
<PAGE>   7
 
    From an income perspective, the Fund's Class A shares ended the period with
an annualized dividend of $0.912 per share. The Fund's Board of Trustees
approved a reduction in the monthly dividend from $.0760 to $.0745 per
share (Class A shares), effective July 1, 1996. Based upon this reduced
dividend level, the Fund continues to provide a respectable level of tax-exempt
income with a distribution rate of 4.99 percent based on the maximum offering
price as of June 30, 1996--the equivalent of a 8.02 percent taxable
distribution rate for investors in the 37.8 percent combined federal and state
income tax bracket.
 
   Q
      WHAT IS YOUR OUTLOOK FOR THE MARKET IN THE MONTHS AHEAD?
   A
      We expect to see continued low inflation, and the economy is likely to
      grow at a more moderate pace than the second quarter's swift pace. After
      sharp increases in the first half of 1996, we expect yields to remain in a
trading range around current levels.
    The Pennsylvania economy is generally sound, though, as mentioned earlier,
is heavily influenced by the healthcare industry. Changes in the economic
environment for hospitals and other providers--such as reimbursement trends or
distribution of services--could have an impact on the market. We could see an
increase in mergers and acquisitions, which might lessen the supply of bonds in
this sector. Because the Fund's portfolio has a large exposure to healthcare
issues, we will continue to monitor this industry closely for any developments.
    We expect to see an increase in the supply of investment-grade municipal
bonds due to the resurgence of Philadelphia. The city could not issue debt six
or seven years ago because of budget problems. Now, with financial conditions in
better order, they are coming to the market as higher-rated securities. Going
forward, we will be looking at these new issues as possible acquisitions.
 
Peter W. Hegel
 
Peter W. Hegel
Executive Vice President
Fixed Income Investments
 
Dennis Pietrzak
 
Dennis Pietrzak
Portfolio Manager
 
                                              Please see footnotes on page three
 
                                        6
<PAGE>   8
 
                            PORTFOLIO OF INVESTMENTS
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
 Par
Amount
(000)                      Description                    Coupon    Maturity   Market Value
   ------------------------------------------------------------------------------------
<C>      <S>                                              <C>       <C>        <C>
         MUNICIPAL BONDS
         PENNSYLVANIA  98.4%
$3,050   Albert Gallatin, PA Area Sch Dist Ser A (MBIA
         Insd)...........................................  6.300%    09/01/24  $ 3,140,859
 3,500   Allegheny Cnty, PA Arpt Rev Gtr Pittsburgh Intl
         Arpt Ser B (FSA Insd)...........................  6.625     01/01/22    3,644,585
   500   Allegheny Cnty, PA Arpt Rev Gtr Pittsburgh Intl
         Arpt Ser C (MBIA Insd)..........................  8.250     01/01/16      533,020
 1,625   Allegheny Cnty, PA C-34 Conv Cap Apprec (d)..... 0/8.625    02/15/04    1,734,525
 1,000   Allegheny Cnty, PA Higher Edl Bldg Auth Univ Rev
         (AMBAC Insd)....................................  6.500     03/01/11    1,103,440
 1,495   Allegheny Cnty, PA Hosp Dev Auth Rev Hosp South
         Hills Hlth Sys A (MBIA Insd)....................  5.500     05/01/10    1,470,019
 2,500   Allegheny Cnty, PA Hosp Dev Auth Rev Hlth Cent
         Presbyterian Univ Ser A (MBIA Insd).............  6.000     11/01/12    2,537,225
 2,500   Allegheny Cnty, PA Hosp Dev Auth Rev Hlth Cent
         Presbyterian Univ Ser A (MBIA Insd).............  6.250     11/01/23    2,523,800
 2,140   Allegheny Cnty, PA Hosp Dev Auth Rev Hlth Fac
         Allegheny Vly Sch...............................  7.750     02/01/15    2,165,937
   265   Allegheny Cnty, PA Hosp Dev Auth Rev Mercy Hosp
         Pittsburgh Rfdg.................................  7.375     04/01/15      270,186
   975   Allegheny Cnty, PA Indl Dev Auth Med Cent Rev
         Presbyterian Med Cent Rfdg (FHA Gtd)............  6.750     02/01/26      999,619
 2,500   Allegheny Cnty, PA Indl Dev Auth Rev
         Environmental Impt Ser A Rfdg...................  6.700     12/01/20    2,534,150
 2,345   Allegheny Cnty, PA Residential Fin Auth Mtg Rev
         1983 Ser B......................................      *     10/01/15      309,306
 1,950   Allegheny Cnty, PA Residential Fin Auth Mtg Rev
         Single Family Ser Z (GNMA Collateralized).......  6.875     05/01/26    2,016,085
 2,380   Allegheny Cnty, PA San Auth Swr Rev (FGIC
         Insd)...........................................      *     12/01/10    1,042,678
 1,365   Allegheny Cnty, PA San Auth Swr Rev (FGIC
         Insd)...........................................      *     12/01/11      560,879
 2,350   Allegheny Cnty, PA San Auth Swr Rev (FGIC
         Insd)...........................................      *     12/01/13      846,000
 2,835   Allegheny Cnty, PA San Auth Swr Rev (FGIC
         Insd)...........................................      *     12/01/14      962,454
 2,000   Beaver Cnty, PA Hosp Auth Rev Med Cent Beaver,
         PA Inc Ser A (AMBAC Insd).......................  6.250     07/01/22    2,023,180
 4,500   Beaver Cnty, PA Indl Dev Auth Pollutn Ctl Rev OH
         Edison Proj Ser A Rfdg..........................  7.750     09/01/24    4,745,115
 3,195   Bellefonte, PA Area Sch Dist (MBIA Insd)........  5.400     05/15/20    2,997,357
 1,600   Bensalem Twp, PA Sch Dist (FGIC Insd) (b).......  5.875     07/15/16    1,602,352
 6,000   Berks Cnty, PA (Inverse Fltg) (FGIC Insd).......  8.730     11/10/20    6,945,000
 2,000   Berks Cnty, PA Muni Auth Rev Highlands at
         Wyomissing
         Proj B..........................................  6.875     10/01/17    2,081,380
 1,000   Berks Cnty, PA Muni Auth Rev Phoebe Berks
         Village Inc Proj Rfdg...........................  7.500     05/15/13    1,006,830
</TABLE>
 
                                               See Notes to Financial Statements
 
                                        7
<PAGE>   9
 
                      PORTFOLIO OF INVESTMENTS (CONTINUED)
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
 Par
Amount
(000)                      Description                    Coupon    Maturity   Market Value
   ------------------------------------------------------------------------------------
<C>      <S>                                              <C>       <C>        <C>
         PENNSYLVANIA (CONTINUED)
$1,000   Berks Cnty, PA Muni Auth Rev Phoebe Berks
         Village Inc Proj Rfdg...........................  7.700%    05/15/22  $   986,630
1,975    Boyertown, PA Area Sch Dist (AMBAC Insd)........  5.250     02/01/17    1,828,554
1,500    Bradford Cnty, PA Indl Dev Auth Solid Waste Disp
         Rev Intl Paper Co Proj..........................  6.600     03/01/19    1,549,725
  500    Bucks Cnty, PA Wtr & Swr Auth Rev Neshaminy
         Interceptor Sys (Prerefunded @ 12/01/98) (FGIC
         Insd)...........................................  7.500     12/01/13      537,105
1,000    Cambria Cnty, PA Hosp Dev Auth Hosp Rev
         Conemaugh Vly Mem Hosp Ser B Rfdg (Prerefunded @
         07/01/98).......................................  8.875     07/01/18    1,106,200
1,000    Cambria Cnty, PA Indl Dev Auth Pollutn Ctl Rev
         Bethlehem Steel Corp Proj Rfdg..................  7.500     09/01/15    1,024,340
1,000    Cambria Cnty, PA Indl Dev Auth Res Recovery Rev
         Cambria Cogen Proj Ser F........................  7.750     09/01/19    1,048,970
  835    Canon McMillan Sch Dist PA (AMBAC Insd).........      *     02/01/13      315,647
  575    Canon McMillan Sch Dist PA (AMBAC Insd).........      *     02/01/14      204,982
1,000    Canon McMillan Sch Dist PA (AMBAC Insd).........      *     02/01/15      336,190
1,685    Central Greene, PA Sch Dist Ser AA Rfdg (AMBAC
         Insd)...........................................  5.250     02/15/24    1,541,809
1,000    Chester Cnty, PA Hlth & Edl Fac Auth Hlth Sys
         Rev (AMBAC Insd)................................  5.650     05/15/20      940,150
1,880    Chester Cnty, PA Hlth & Edl The Chester Cnty
         Hosp (MBIA Insd) (b)............................  5.625     07/01/08    1,897,973
1,985    Chester Cnty, PA Hlth & Edl The Chester Cnty
         Hosp (MBIA Insd) (b)............................  5.625     07/01/09    1,984,980
1,675    Chester Cnty, PA Hlth & Edl The Chester Cnty
         Hosp (MBIA Insd) (b)............................  5.625     07/01/10    1,666,977
   90    Chester Cnty, PA Hosp Auth Rev Brandywine
         Hosp............................................  7.000     07/01/10       93,069
  760    Chichester Sch District PA Ser 1989 (MBIA
         Insd)...........................................      *     06/01/01      599,762
  860    Chichester Sch District PA Ser 1989 (MBIA
         Insd)...........................................      *     06/01/02      640,717
  975    Clarion Cnty, PA Hosp Auth Hosp Rev Clarion Hosp
         Proj............................................  8.500     07/01/13    1,053,565
1,000    Clarion Cnty, PA Hosp Auth Hosp Rev Clarion Hosp
         Proj............................................  8.500     07/01/21    1,078,380
1,130    Clearfield Cnty, PA Indl Dev Auth Coml Dev Rev
         First Mtg Kmart Corp Ser A Rfdg.................  7.200     07/01/07    1,091,795
5,000    Cumberland Cnty, PA Muni Auth College Rev
         Messiah College Proj (AMBAC Insd)...............  5.125     10/01/15    4,635,750
2,230    Cumberland Cnty, PA Muni Auth Rev First Mtg
         Carlisle Hosp & Hlth............................  6.800     11/15/23    2,205,202
2,000    Delaware Cnty, PA Auth Hosp Rev Crozer Chester
         Med Cent Ser A, B & C (Prerefunded @ 12/15/00)
         (MBIA Insd).....................................  7.500     12/15/20    2,256,900
2,475    Delaware Cnty, PA Auth Rev Elwyn Inc Proj.......  8.350     06/01/15    2,697,106
1,500    Delaware Cnty, PA Auth Rev First Mtg Riddle
         Village Proj....................................  9.250     06/01/22    1,622,760
3,000    Delaware River Port Auth PA & NJ Rev (FGIC
         Insd)...........................................  5.400     01/01/15    2,876,370
</TABLE>
 
                                               See Notes to Financial Statements
 
                                        8
<PAGE>   10
 
                      PORTFOLIO OF INVESTMENTS (CONTINUED)
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
 Par
Amount
(000)                      Description                    Coupon    Maturity   Market Value
   ------------------------------------------------------------------------------------
<C>      <S>                                              <C>       <C>        <C>
         PENNSYLVANIA (CONTINUED)
$2,000   Erie Cnty, PA Hosp Auth Rev Saint Vincent Hlth
         Cent Proj Ser A (MBIA Insd).....................  6.375%    07/01/22  $ 2,058,000
 2,140   Greene Cnty, PA Unlimited Tax (Prerefunded @
         08/01/00).......................................  8.500     08/01/10    2,420,575
 5,000   Harrisburg, PA Pkg Auth Rev Gtd Ser H Rfdg
         (AMBAC Insd)....................................  5.125     08/01/16    4,588,450
 1,045   Harrisburg, PA Wtr & Swr Auth Swr Rev Second Ser
         Rfdg (FGIC Insd)................................      *     10/15/08      527,955
 1,840   Hollidaysburg, PA Area Sch Dist (MBIA Insd)
         (c).............................................      *     10/15/11      761,631
 1,840   Hollidaysburg, PA Area Sch Dist (MBIA Insd)
         (c).............................................      *     10/15/12      713,294
 1,840   Hollidaysburg, PA Area Sch Dist (MBIA Insd)
         (c).............................................      *     10/15/13      667,368
 1,840   Hollidaysburg, PA Area Sch Dist (MBIA Insd).....      *     10/15/14      629,372
 1,000   Hollidaysburg, PA Area Sch Dist (MBIA Insd).....      *     10/15/15      322,570
 1,840   Hollidaysburg, PA Area Sch Dist (MBIA Insd).....      *     10/15/16      554,245
 1,260   Lackawanna Cnty, PA Multi-Purp Stadium Auth
         Stadium Rev Gtd (Prerefunded @ 08/15/98)........  8.625     08/15/07    1,379,813
 1,000   Lancaster Cnty, PA Solid Waste Mgmt Auth Res
         Recovery Sys Rev Ser A..........................  8.375     12/15/04    1,053,730
 2,000   Lancaster Cnty, PA Solid Waste Mgmt Auth Res
         Recovery Sys Rev Ser A (c)......................  8.500     12/15/10    2,122,240
 2,000   Lehigh Cnty, PA Genl Purp Auth Cedar Crest Coll
         Rfdg............................................  6.700     04/01/26    1,980,620
 4,100   Lehigh Cnty, PA Genl Purp Auth Rev Muhlenberg
         Hosp Ser A Rfdg.................................  8.100     07/15/10    4,398,890
 1,000   Lehigh Cnty, PA Indl Dev Auth Pollutn Ctl Rev PA
         Pwr & Lt Co Proj Ser A Rfdg (MBIA Insd).........  6.400     11/01/21    1,034,130
 3,820   Lower Providence Township PA Swr Auth Swr Rev
         Gtd (MBIA Insd).................................  5.250     05/01/22    3,499,578
 2,000   Lycoming Cnty, PA Auth Hosp Lease Rev Divine
         Providence Sisters Ser A........................  6.500     07/01/22    2,139,580
 2,500   Lycoming Cnty, PA Auth Hosp Lease Rev Divine
         Providence Sisters Ser A (Prerefunded @
         07/01/00) (c)...................................  7.750     07/01/16    2,791,325
   400   Lycoming Cnty, PA Auth Hosp Lease Rev
         Williamsport Hosp Ser B (Prerefunded @ 11/01/96)
         (AMBAC Insd)....................................  7.000     11/01/15      412,408
 5,000   Lycoming Cnty, PA Auth Hosp Rev Divine
         Providence Hosp Rfdg (Connie Lee Insd)..........  5.250     11/15/15    4,646,350
 1,000   McKean Cnty, PA Hosp Auth Hosp Rev Bradford Hosp
         Proj (Crossover Rfdg @ 10/01/00)................  8.875     10/01/20    1,162,220
   750   McKeesport, PA Indl Dev Auth Rev The Kroger Corp
         Allegheny Cnty Rfdg.............................  8.650     06/01/11      831,937
 3,000   Monroeville, PA Hosp Auth Hosp Rev Forbes Hlth
         Sys Rfdg........................................  6.250     10/01/15    2,914,710
   500   Montgomery Cnty, PA Higher Edl & Hlth Auth Hosp
         Rev Suburban Genl Hosp Bonds (AMBAC Insd).......  7.250     05/01/16      521,225
</TABLE>
 
                                               See Notes to Financial Statements
 
                                        9
<PAGE>   11
 
                      PORTFOLIO OF INVESTMENTS (CONTINUED)
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
 Par
Amount
(000)                      Description                    Coupon    Maturity   Market Value
   ------------------------------------------------------------------------------------
<C>      <S>                                              <C>       <C>        <C>
         PENNSYLVANIA (CONTINUED)
$ 415    Montgomery Cnty, PA Higher Edl & Hlth Auth
         Nursing Home Rev Delco Sys Svcs Proj A..........  9.875%    11/01/18  $   421,416
2,500    Montgomery Cnty, PA Indl Dev Auth Rev Pollutn
         Ctl Philadelphia Elec Co Ser A Rfdg.............  7.600     04/01/21    2,668,925
3,000    Montgomery Cnty, PA Indl Dev Auth Rev Res
         Recovery (c)....................................  7.500     01/01/12    3,193,050
1,500    Moon Twp, PA Muni Auth Wtr & Swr Rev Rfdg (MBIA
         Insd)...........................................  5.500     12/01/19    1,430,670
4,225    New Kensington Arnold, PA Sch Dist Rdfg (AMBAC
         Insd)...........................................  5.375     05/15/26    3,928,870
1,000    North Penn, PA Wtr Auth Wtr Rev (FGIC Insd).....  6.875     11/01/19    1,130,590
1,500    North Penn, PA Wtr Auth Wtr Rev (FGIC Insd).....  6.200     11/01/22    1,526,805
1,000    Northampton Cnty, PA Indl Dev Auth Rev Moravian
         Hall Square Proj Rfdg (Prerefunded @
         06/01/99).......................................  7.450     06/01/14    1,098,240
2,500    Northampton Cnty, PA Indl Dev Auth Rev Pollutn
         Ctl Bethlehem Steel Rfdg........................  7.550     06/01/17    2,579,500
1,000    Northeastern PA Hosp & Edl Auth College Rev Gtd
         Luzerne Cnty Cmnty College (AMBAC Insd).........  6.625     08/15/15    1,061,230
2,343    Oil City, PA Towne Tower Proj...................  6.750     05/01/20    2,397,733
3,000    Penn Manor Sch Dist PA (FGIC Insd)..............  5.200     06/01/16    2,777,160
2,000    Pennsylvania Econ Dev Fin Auth Exempt Fac Rev
         MacMillan Ltd Partnership Proj..................  7.600     12/01/20    2,197,620
3,000    Pennsylvania Econ Dev Fin Auth Recycling Rev
         Ponderosa Fibres Proj Ser A.....................  9.250     01/01/22    2,908,320
1,500    Pennsylvania Econ Dev Fin Auth Res Recovery Rev
         Colver Proj Ser D...............................  7.050     12/01/10    1,569,750
5,000    Pennsylvania Econ Dev Fin Auth Res Recovery Rev
         Northampton Generating Ser A....................  6.600     01/01/19    4,768,450
4,000    Pennsylvania Hsg Fin Agy (Inverse Fltg)......... 10.023     10/03/23    4,215,000
1,000    Pennsylvania Hsg Fin Agy Rental Hsg Rfdg
         (FNMA Collateralized)...........................  6.500     07/01/23    1,028,220
2,500    Pennsylvania Hsg Fin Agy Single Family Mtg Ser
         37b (b).........................................  5.600     10/01/25    2,279,575
1,000    Pennsylvania Hsg Fin Agy Single Family Mtg Ser
         40..............................................  6.900     04/01/25    1,041,630
2,500    Pennsylvania Hsg Fin Agy Single Family Mtg Ser
         42..............................................  6.850     04/01/25    2,597,625
1,365    Pennsylvania Hsg Fin Agy Single Family Mtg Ser
         47..............................................  6.750     10/01/09    1,477,066
1,455    Pennsylvania Hsg Fin Agy Single Family Mtg Ser
         47..............................................  6.750     10/01/10    1,572,957
1,980    Pennsylvania Infrastructure Invt Auth Rev
         Pennvest Subser B (MBIA Insd)...................  6.000     09/01/06    2,086,960
  850    Pennsylvania Infrastructure Invt Auth Rev
         Pennvest Subser B...............................  6.800     09/01/10      915,322
2,000    Pennsylvania Intergvtl Coop Auth Spl Tax Rev
         (FGIC Insd).....................................  5.500     06/15/16    1,926,100
2,000    Pennsylvania Intergvtl Coop Auth Spl Tax Rev
         City of Philadelphia Funding Pgm (MBIA Insd)....  5.600     06/15/15    1,948,700
4,000    Pennsylvania St Ctfs Partn (FSA Insd)...........  6.250     05/01/16    4,080,880
</TABLE>
 
                                               See Notes to Financial Statements
 
                                       10
<PAGE>   12
 
                      PORTFOLIO OF INVESTMENTS (CONTINUED)
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
 Par
Amount
(000)                      Description                    Coupon    Maturity   Market Value
   ------------------------------------------------------------------------------------
<C>      <S>                                              <C>       <C>        <C>
         PENNSYLVANIA (CONTINUED)
$2,000   Pennsylvania St Higher Edl Assistance Agy
         Student Ln Rev Rfdg (Inverse Fltg) (AMBAC
         Insd)...........................................  9.622%    09/01/26  $ 2,187,500
 2,500   Pennsylvania St Higher Edl Assistance Agy
         Student Ln Rev Ser B (Inverse Fltg) (MBIA
         Insd)........................................... 11.033     03/01/20    2,840,625
 4,000   Pennsylvania St Higher Edl Assistance Agy
         Student Ln Rev Ser C (AMBAC Insd)...............  6.400     03/01/22    4,005,840
    60   Pennsylvania St Higher Edl Fac Auth College &
         Univ Rev Drexel Univ First Ser (MBIA Insd)......  7.700     05/01/12       61,379
   105   Pennsylvania St Higher Edl Fac Auth College &
         Univ Rev Trustees Univ Ser A....................  6.625     01/01/17      106,548
 2,000   Pennsylvania St Higher Edl Fac Auth Hlth Svcs
         Rev Allegheny Delaware Vly Oblig A (MBIA
         Insd)...........................................  5.000     11/15/06    1,933,860
 4,595   Pennsylvania St Higher Edl Fac Auth Hlth Svcs
         Rev Allegheny Delaware Vly Oblig A (MBIA
         Insd)...........................................  5.600     11/15/10    4,601,433
 3,950   Pennsylvania St Higher Edl Fac Auth Rev Drexel
         Univ Rfdg.......................................  6.375     05/01/17    3,986,735
 1,000   Pennsylvania St Higher Edl Fac Auth Rev Med
         College PA Ser A (Prerefunded @ 03/01/99).......  8.375     03/01/11    1,113,350
   650   Pennsylvania St Higher Edl Fac Auth Rev Med
         College PA Ser A (Prerefunded @ 03/01/99).......  7.500     03/01/14      697,977
 1,250   Philadelphia, PA Auth for Indl Dev Coml Dev
         Philadelphia Arpt Rev Rfdg......................  7.750     12/01/17    1,302,775
 2,000   Philadelphia, PA Auth for Indl Dev Rev Long Term
         Care............................................  8.000     01/01/24    2,078,580
 3,000   Philadelphia, PA Gas Wks Rev Fourteenth Ser (FSA
         Insd)...........................................  6.250     07/01/08    3,161,400
   250   Philadelphia, PA Hosp & Higher Edl Fac Auth Hosp
         Rev Albert Einstein Med Cent....................  7.000     10/01/21      260,405
 2,800   Philadelphia, PA Hosp & Higher Edl Fac Auth Hosp
         Rev Chestnut Hill Hosp..........................  6.500     11/15/22    2,820,384
 2,000   Philadelphia, PA Hosp & Higher Edl Fac Auth Hosp
         Rev Frankford Hosp Ser A........................  6.000     06/01/14    1,941,200
 3,500   Philadelphia, PA Hosp & Higher Edl Fac Auth Hosp
         Rev Frankford Hosp Ser A........................  6.000     06/01/23    3,331,895
 4,000   Philadelphia, PA Hosp & Higher Edl Fac Auth Hosp
         Rev Friends Hosp................................  6.200     05/01/11    3,864,280
 4,000   Philadelphia, PA Hosp & Higher Edl Fac Auth Hosp
         Rev Temple Univ Hosp Ser A......................  6.625     11/15/23    4,035,720
 1,500   Philadelphia, PA Muni Auth Rev Muni Svcs Bldg
         Lease Cap Apprec (FSA Insd).....................      *     03/15/08      782,775
 3,750   Philadelphia, PA Muni Auth Rev Muni Svcs Bldg
         Lease Cap Apprec (FSA Insd).....................      *     03/15/11    1,605,337
 3,775   Philadelphia, PA Muni Auth Rev Muni Svcs Bldg
         Lease Cap Apprec (FSA Insd).....................      *     03/15/12    1,513,888
</TABLE>
 
                                               See Notes to Financial Statements
 
                                       11
<PAGE>   13
 
                      PORTFOLIO OF INVESTMENTS (CONTINUED)
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
 Par
Amount
(000)                      Description                    Coupon    Maturity   Market Value
   ------------------------------------------------------------------------------------
<C>      <S>                                              <C>       <C>        <C>
         PENNSYLVANIA (CONTINUED)
$4,500   Philadelphia, PA Muni Auth Rev Muni Svcs Bldg
         Lease Cap Apprec (FSA Insd).....................      *     03/15/13  $ 1,688,940
   220   Philadelphia, PA Muni Auth Rev Rfdg (Prerefunded
         @ 04/01/98) (FGIC Insd).........................  7.800%    04/01/18      237,574
 2,155   Philadelphia, PA Muni Auth Rev Rfdg (Prerefunded
         @ 04/01/00) (FGIC Insd).........................  7.800     04/01/18    2,367,828
 1,800   Philadelphia, PA Wtr & Swr Rev Sixteenth Ser
         (Prerefunded @ 08/01/01)........................  7.500     08/01/10    2,050,218
 2,000   Philadelphia, PA Wtr & Wastewtr Rev (FGIC
         Insd)...........................................  5.650     06/15/12    1,948,700
 2,000   Philadelphia, PA Wtr & Wastewtr Rev Rfdg (MBIA
         Insd)...........................................  5.625     06/15/08    2,036,580
 1,425   Pittsburgh, PA Sch Dist Ser B (AMBAC Insd)......      *     08/01/08      728,204
 4,070   Pittsburgh, PA Sch Dist Ser B (AMBAC Insd)......      *     08/01/09    1,942,611
 1,470   Pittsburgh, PA Urban Redev Auth Mtg Rev Ser
         C-1.............................................  6.800     10/01/25    1,502,840
   960   Pittsburgh, PA Urban Redev Auth Single Family
         Mtg Rev Ser A (GNMA Collateralized).............  8.000     12/01/20    1,013,386
 2,000   Pittsburgh, PA Wtr & Swr Auth Wtr & Swr Sys Rev
         Ser A Rfdg (FGIC Insd)..........................      *     09/01/06    1,170,720
 1,000   Pittsburgh, PA Wtr & Swr Auth Wtr & Swr Sys Rev
         Ser A Rfdg (FGIC Insd)..........................      *     09/01/07      548,330
 1,500   Pittsburgh, PA Wtr & Swr Auth Wtr & Swr Sys Rev
         Ser A Rfdg (FGIC Insd)..........................      *     09/01/08      769,335
   250   Scranton-Lackawanna, PA Hlth & Welfare Auth Rev
         Cmnty Med Cent Proj (BIGI Insd).................  7.875     07/01/10      269,673
 2,650   Sharon, PA Regl Hlth Sys Auth Hosp Rev Sharon
         Regl Hlth Sys Proj A Rfdg.......................  6.875     12/01/09    2,753,535
   355   Somerset Cnty, PA Indl Dev Auth Coml Dev Rev
         First Mtg Kmart Corp Ser A Rfdg.................  7.200     04/01/07      337,271
 1,250   State Pub Sch Bldg Auth PA College Rev Reading
         Area College Cap Proj A (MBIA Insd).............  5.100     02/15/14    1,156,700
 2,180   State Pub Sch Bldg Auth PA Sch Rev Burgettstown
         Sch Dist Ser D (MBIA Insd)......................  6.500     02/01/14    2,294,755
 2,725   Upper Merion, PA Muni Util Auth Swr Rev Gtd.....  6.000     08/15/16    2,777,729
 1,500   Washington Cnty, PA Auth Lease Rev Muni Fac Pool
         Cap Ser C Subser C-1D (Prerefunded @ 06/15/00)
         (AMBAC Insd)....................................  7.450     12/15/18    1,686,105
 2,935   West Shore, PA Area Auth Hlth Cent Rev United
         Methodist Homes Aging Inc (Prerefunded @
         06/01/01).......................................  7.400     06/01/16    3,315,669
   350   Westmoreland Cnty, PA Indl Dev Auth Rev Citizens
         Genl Hosp Proj A Rfdg...........................  8.250     07/01/13      363,804
                                                                               ------------
                                                                               273,772,562
                                                                               ------------
</TABLE>
 
                                               See Notes to Financial Statements
 
                                       12
<PAGE>   14
 
                      PORTFOLIO OF INVESTMENTS (CONTINUED)
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
 Par
Amount
(000)                      Description                    Coupon    Maturity   Market Value
   ------------------------------------------------------------------------------------
<C>      <S>                                              <C>       <C>        <C>
         GUAM  1.0%
$2,750   Guam Govt Ser A.................................  5.750%    09/01/04  $  2,691,948
                                                                               ------------
         PUERTO RICO  0.1%
   205   Puerto Rico Comwlth Pub Impt Rfdg A.............  7.125     07/01/02       213,081
                                                                               ------------
TOTAL LONG-TERM INVESTMENTS  99.5%
  (Cost $262,647,990) (a)....................................................   276,677,591
SHORT-TERM INVESTMENTS AT AMORTIZED COST  1.8%...............................     5,000,000
LIABILITIES IN EXCESS OF OTHER ASSETS  (1.3%)................................    (3,488,461)
                                                                               ------------ 
NET ASSETS  100%.............................................................  $278,189,130
                                                                               ============
</TABLE>
 
*Zero coupon bond
 
(a) At June 30, 1996, cost for federal income tax purposes is $262,647,990; the
    aggregate gross unrealized appreciation is $14,716,036 and the aggregate
    gross unrealized depreciation is $1,018,492, resulting in net unrealized
    appreciation including open futures transactions of $13,697,544.
 
(b) Securities purchased on a when issued or delayed delivery basis.
 
(c) Assets segregated as collateral for when issued or delayed delivery purchase
    commitments and open futures transactions.
 
(d) Currently is a zero coupon bond which will convert to a coupon paying bond
    at a predetermined date.
 
                                               See Notes to Financial Statements
 
                                       13
<PAGE>   15
 
                      STATEMENT OF ASSETS AND LIABILITIES
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                                       <C>
ASSETS:
Investments, at Market Value (Cost $262,647,990) (Note 1)...............  $276,677,591
Short-Term Investments (Note 1).........................................     5,000,000
Cash....................................................................     3,127,773
Receivables:
  Interest..............................................................     4,074,861
  Fund Shares Sold......................................................       308,575
  Securities Sold.......................................................        25,000
Other...................................................................         8,036
                                                                          ------------
      Total Assets......................................................   289,221,836
                                                                          ------------
LIABILITIES:
Payables:
  Securities Purchased..................................................     9,346,640
  Income Distributions..................................................       497,615
  Fund Shares Repurchased...............................................       435,239
  Distributor and Affiliates (Notes 2 and 6)............................       304,032
  Investment Advisory Fee (Note 2)......................................       135,582
  Variation Margin on Futures (Note 5)..................................       112,500
Accrued Expenses........................................................       135,047
Deferred Compensation and Retirement Plans (Note 2).....................        66,051
                                                                          ------------
      Total Liabilities.................................................    11,032,706
                                                                          ------------
NET ASSETS..............................................................  $278,189,130
                                                                          ============
NET ASSETS CONSIST OF:
Paid in Surplus (Note 3)................................................  $270,808,484
Net Unrealized Appreciation on Securities...............................    13,697,544
Accumulated Distributions in Excess of Net Investment Income (Note 1)...        (4,133)
Accumulated Net Realized Loss on Securities.............................    (6,312,765)
                                                                          ------------
NET ASSETS..............................................................  $278,189,130
                                                                          ============
MAXIMUM OFFERING PRICE PER SHARE:
  Class A Shares:
    Net asset value and redemption price per share (Based on net assets
    of $227,306,110 and 13,317,832 shares of beneficial interest issued
    and outstanding) (Note 3)...........................................  $      17.07
    Maximum sales charge (4.75%* of offering price).....................           .85
                                                                          ------------
    Maximum offering price to public....................................  $      17.92
                                                                          ============
  Class B Shares:
    Net asset value and offering price per share (Based on net assets of
    $47,494,003 and 2,783,571 shares of beneficial interest issued and
    outstanding) (Note 3)...............................................  $      17.06
                                                                          ============
  Class C Shares:
    Net asset value and offering price per share (Based on net assets of
    $3,389,017 and 198,655 shares of beneficial interest issued and
    outstanding) (Note 3)...............................................  $      17.06
                                                                          ============
</TABLE>
 
*On sales of $100,000 or more, the sales charge will be reduced.
 
                                               See Notes to Financial Statements
 
                                       14
<PAGE>   16
 
                            STATEMENT OF OPERATIONS
 
               For the Six Months Ended June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                                       <C>
INVESTMENT INCOME:
Interest................................................................  $  8,835,450
                                                                          ------------
EXPENSES:
Investment Advisory Fee (Note 2)........................................       824,107
Distribution (12b-1) and Service Fees (Allocated to Classes A, B and C
  of $277,959, $236,228 and $16,482, respectively) (Note 6).............       530,669
Shareholder Services (Note 2)...........................................       174,231
Custody (Note 1)........................................................        69,629
Trustees Fees and Expenses (Note 2).....................................        16,905
Legal (Note 2)..........................................................        14,560
Other...................................................................       120,656
                                                                          ------------
    Total Expenses......................................................     1,750,757
    Less: Expenses Reimbursed...........................................         4,987
        Earnings Credits on Cash Balances (Note 1)......................         3,700
                                                                          ------------
    Net Expenses........................................................     1,742,070
                                                                          ------------
NET INVESTMENT INCOME...................................................  $  7,093,380
                                                                          ============
REALIZED AND UNREALIZED GAIN/LOSS ON SECURITIES:
Realized Gain/Loss on Securities:
  Investments...........................................................  $   (857,566)
  Options...............................................................      (102,594)
  Futures...............................................................       292,007
                                                                          ------------
Net Realized Loss on Securities.........................................      (668,153)
                                                                          ------------
Unrealized Appreciation/Depreciation on Securities:
  Beginning of the Period...............................................    23,582,229
                                                                          ------------
  End of the Period:
    Investments.........................................................    14,029,601
    Futures.............................................................      (332,057)
                                                                          ------------
                                                                            13,697,544
                                                                          ------------
Net Unrealized Depreciation on Securities During the Period.............    (9,884,685)
                                                                          ------------
NET REALIZED AND UNREALIZED LOSS ON SECURITIES..........................  $(10,552,838)
                                                                          ============
NET DECREASE IN NET ASSETS FROM OPERATIONS..............................  $ (3,459,458)
                                                                          ============
</TABLE>
 
                                               See Notes to Financial Statements
 
                                       15
<PAGE>   17
 
                       STATEMENT OF CHANGES IN NET ASSETS
 
                   For the Six Months Ended June 30, 1996 and
                  the Year Ended December 31, 1995 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                      Six Months Ended      Year Ended
                                                       June 30, 1996     December 31, 1995
- ------------------------------------------------------------------------------------------
<S>                                                   <C>                <C>
FROM INVESTMENT ACTIVITIES:
Operations:
Net Investment Income.................................     $  7,093,380       $ 14,192,265
Net Realized Gain/Loss on Securities..................         (668,153)        (5,635,081)
Net Unrealized Appreciation/Depreciation on Securities
  During the Period...................................       (9,884,685)        31,028,321
                                                           ------------       ------------
Change in Net Assets from Operations..................       (3,459,458)        39,585,505
                                                           ------------       ------------
Distributions from Net Investment Income..............       (7,090,090)       (14,259,564)
Distributions in Excess of Net Investment Income (Note
  1)..................................................              -0-             (7,423)
                                                           ------------       ------------
Distributions from and in Excess of Net Investment
  Income*.............................................       (7,090,090)       (14,266,987)
                                                           ------------       ------------
NET CHANGE IN NET ASSETS FROM INVESTMENT ACTIVITIES...      (10,549,548)        25,318,518
                                                           ------------       ------------
FROM CAPITAL TRANSACTIONS (NOTE 3):
Proceeds from Shares Sold.............................       26,433,819         27,514,827
Net Asset Value of Shares Issued Through Dividend
  Reinvestment........................................        4,226,950          8,632,984
Cost of Shares Repurchased............................      (18,791,991)       (27,500,706)
                                                           ------------       ------------
NET CHANGE IN NET ASSETS FROM CAPITAL TRANSACTIONS....       11,868,778          8,647,105
                                                           ------------       ------------
TOTAL INCREASE IN NET ASSETS..........................        1,319,230         33,965,623
NET ASSETS:
Beginning of the Period...............................      276,869,900        242,904,277
                                                           ------------       ------------
End of the Period (Including undistributed net
  investment income of $(4,133) and $(7,423),
  respectively).......................................     $278,189,130       $276,869,900
                                                           ============       ============
</TABLE>
 
<TABLE>
<CAPTION>
                                             Six Months Ended      Year Ended
         *Distributions by Class              June 30, 1996     December 31, 1995
         ------------------------------------------------------------------------
         <S>                                 <C>                <C>
         Distributions from and in Excess of Net Investment Income:
         Class A Shares......................     $(5,944,011)       $(12,063,809)
         Class B Shares......................      (1,071,222)         (2,062,857)
         Class C Shares......................         (74,857)           (140,285)
         Class D Shares......................              --                 (36)
                                                  -----------        ------------
                                                  $(7,090,090)       $(14,266,987)
                                                  ===========        ============
</TABLE>
 
                                               See Notes to Financial Statements
 
                                       16
<PAGE>   18
 
                              FINANCIAL HIGHLIGHTS
 
 The following schedule presents financial highlights for one share of the Fund
           outstanding throughout the periods indicated. (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                             Year Ended December 31
                                Six Months Ended    ----------------------------------------
         Class A Shares          June 30, 1996       1995       1994       1993       1992
<S>                             <C>                 <C>        <C>        <C>        <C>
- --------------------------------------------------------------------------------------------
Net Asset Value, Beginning
  of the Period.................          $17.737   $16.081    $18.062    $16.899    $16.373
                                          -------   -------    -------    -------    -------
Net Investment Income...........             .456      .946       .965      1.027      1.074
Net Realized and Unrealized
  Gain/Loss on Securities.......            (.669)    1.660     (1.985)     1.164       .525
                                          -------   -------    -------    -------    -------
Total from Investment
  Operations....................            (.213)    2.606     (1.020)     2.191      1.599
                                          -------   -------    -------    -------    -------
Less Distributions from and in
  Excess of Net Investment
  Income (Note 1)...............             .456      .950       .961      1.028      1.073
                                          -------   -------    -------    -------    -------
Net Asset Value, End of the
  Period........................          $17.068   $17.737    $16.081    $18.062    $16.899
                                          =======   =======    =======    =======    =======
Total Return* (a)...............           (1.21%)**  16.62%    (5.72%)    13.25%     10.09%
Net Assets at End of the Period
  (In millions).................           $227.3    $226.7     $203.2     $221.7     $153.8
Ratio of Expenses to Average Net
  Assets* (b)...................            1.13%     1.00%       .90%       .71%       .72%
Ratio of Net Investment Income
  to Average Net Assets*........            5.30%     5.57%      5.73%      5.80%      6.41%
Portfolio Turnover..............              32%**     28%         8%         1%        10%
*If certain expenses had not been assumed by VKAC, total return would have been lower and
  the ratios would have been as follows:
Ratio of Expenses to Average Net
  Assets (b)....................            1.14%     1.14%      1.17%      1.09%      1.17%
Ratio of Net Investment Income
  to Average Net Assets.........            5.30%     5.42%      5.46%      5.41%      5.95%
</TABLE>
 
**  Non-Annualized
 
(a) Total return is based upon net asset value which does not include payment of
    the maximum sales charge or contingent deferred sales charge.
 
(b) Beginning with the year ended December 31, 1995, the Ratios of Expenses to
    Average Net Assets are based upon expense amounts which do not reflect
    credits earned, if any, on overnight cash balances. (Note 1)
 
                                               See Notes to Financial Statements
 
                                       17
<PAGE>   19
 
                        FINANCIAL HIGHLIGHTS (CONTINUED)
 
       The following schedule presents financial highlights for one share
     of the Fund outstanding throughout the periods indicated. (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                            Six Months                                    May 1, 1993
                              Ended       Year Ended     Year Ended    (Commencement of
                             June 30,    December 31,   December 31,   Distribution) to
      Class B Shares           1996          1995           1994       December 31, 1993
<S>                         <C>          <C>            <C>            <C>
- ----------------------------------------------------------------------------------------
Net Asset Value,
  Beginning of the
  Period...................    $17.731        $16.080        $18.055             $17.460
                               -------        -------        -------             -------
Net Investment Income......       .391           .819           .841                .586
Net Realized and Unrealized
  Gain/Loss on
  Securities...............      (.670)         1.659         (1.985)               .603
                               -------        -------        -------             -------
Total from Investment                                                             
  Operations...............      (.279)         2.478         (1.144)              1.189
Less Distributions from and
  in Excess of Net
  Investment Income (Note
  1).......................       .390           .827           .831                .594
                               -------        -------        -------             -------
Net Asset Value,
  End of the Period........    $17.062        $17.731        $16.080             $18.055
                               =======        =======        =======             =======
Total Return* (a)..........     (1.58%)**       15.72%        (6.39%)              6.81%**
Net Assets at End of the
  Period (In millions).....      $47.5          $46.8          $37.6               $27.7
Ratio of Expenses to
  Average
  Net Assets* (b)..........      1.89%          1.75%          1.64%               1.48%
Ratio of Net Investment
  Income to Average Net
  Assets*..................      4.54%          4.81%          4.98%               4.47%
Portfolio Turnover.........        32%**          28%             8%                  1%
*If certain expenses had not been assumed by VKAC, total return would have been lower
  and the ratios would have been as follows:
Ratio of Expenses to
  Average Net Assets (b)...      1.89%          1.89%          1.90%               1.82%
Ratio of Net Investment
  Income to Average Net
  Assets...................      4.54%          4.66%          4.71%               4.13%
</TABLE>
 
 ** Non-Annualized
 
(a) Total return is based upon net asset value which does not include payment of
    the maximum sales charge or contingent deferred sales charge.
 
(b) Beginning with the year ended December 31, 1995, the Ratios of Expenses to
    Average Net Assets are based upon expense amounts which do not reflect
    credits earned, if any, on overnight cash balances. (Note 1)
 
                                               See Notes to Financial Statements
 
                                       18
<PAGE>   20
 
                        FINANCIAL HIGHLIGHTS (CONTINUED)
 
       The following schedule presents financial highlights for one share
     of the Fund outstanding throughout the periods indicated. (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                            Six Months                                  August 13, 1993
                              Ended       Year Ended     Year Ended    (Commencement of
                             June 30,    December 31,   December 31,   Distribution) to
      Class C Shares           1996          1995           1994       December 31, 1993
<S>                         <C>          <C>            <C>            <C>
- ----------------------------------------------------------------------------------------
Net Asset Value,
  Beginning of the
  Period...................    $17.729        $16.079        $18.045             $17.850
                               -------        -------        -------             -------
Net Investment Income......       .391           .812           .850                .325
Net Realized and Unrealized
  Gain/Loss on
  Securities...............      (.670)         1.665         (1.985)               .208
                               -------        -------        -------             -------
Total from Investment
  Operations...............      (.279)         2.477         (1.135)               .533
Less Distributions from and
  in
  Excess of Net Investment
  Income (Note 1)..........       .390           .827           .831                .338
                               -------        -------        -------             -------
Net Asset Value,
  End of the Period........    $17.060        $17.729        $16.079             $18.045
                               =======        =======        =======             =======
Total Return* (a)..........     (1.58%)**       15.72%        (6.34%)              2.98%**
Net Assets at End of the
  Period
  (In millions)............    $   3.4        $   3.4        $   2.2             $   2.1
Ratio of Expenses to
  Average
  Net Assets* (b)..........      1.89%          1.75%          1.63%               1.54%
Ratio of Net Investment
  Income to Average Net
  Assets*..................      4.55%          4.76%          4.97%               4.08%
Portfolio Turnover.........        32%**          28%             8%                  1%
*If certain expenses had not been assumed by VKAC, total return would have been lower
  and the ratios would have been as follows:
Ratio of Expenses to
  Average Net Assets (b)...      1.89%          1.90%          1.90%               1.89%
Ratio of Net Investment
  Income to Average Net
  Assets...................      4.55%          4.61%          4.70%               3.73%
</TABLE>
 
 ** Non-Annualized
 
(a) Total return is based upon the net asset value which does not include
    payment of the maximum sales charge or contingent deferred sales charge.
 
(b) Beginning with the year ended December 31, 1995, the Ratios of Expenses to
    Average Net Assets are based upon expense amounts which do not reflect
    credits earned, if any, on overnight cash balances. (Note 1)
 
                                               See Notes to Financial Statements
 
                                       19
<PAGE>   21
 
                         NOTES TO FINANCIAL STATEMENTS
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
1. SIGNIFICANT ACCOUNTING POLICIES
 
Van Kampen American Capital Pennsylvania Tax Free Income Fund (the "Fund") is
organized as a Pennsylvania trust and is registered as a non-diversified
open-end management investment company under the Investment Company Act of 1940,
as amended. The Fund's investment objective is to provide Pennsylvania investors
a high level of current income exempt from federal and Pennsylvania state income
taxes and, where possible under local law, local income and personal property
taxes, through investment primarily in a varied portfolio of medium and lower
grade municipal securities. The Fund commenced investment operations on May 1,
1987. The distribution of the Fund's Class B and Class C shares commenced on May
1, 1993, and August 13, 1993, respectively. On May 2, 1995, all Class D
shareholders redeemed their shares and the class was eliminated. The Fund will
no longer offer Class D shares.
 
    The following is a summary of significant accounting policies consistently
followed by the Fund in the preparation of its financial statements. The
preparation of financial statements in conformity with generally accepted
accounting principles requires management to make estimates and assumptions that
affect the reported amounts of assets and liabilities and disclosure of
contingent assets and liabilities at the date of the financial statements and
the reported amounts of revenues and expenses during the reporting period.
Actual results could differ from those estimates.
 
A. SECURITY VALUATION--Investments are stated at value using market quotations
or, if such valuations are not available, estimates obtained from yield data
relating to instruments or securities with similar characteristics in accordance
with procedures established in good faith by the Board of Trustees. Short-term
securities with remaining maturities of less than 60 days are valued at
amortized cost.
 
B. SECURITY TRANSACTIONS--Security transactions are recorded on a trade date
basis. Realized gains and losses are determined on an identified cost basis. The
Fund may purchase and sell securities on a "when issued" or "delayed delivery"
basis, with settlement to occur at a later date. The value of the security so
purchased is subject to market fluctuations during this period. The Fund will
maintain, in a segregated account with its custodian, assets having an aggregate
value at least equal to the amount of the when issued or delayed delivery
purchase commitments until payment is made.
 
                                       20
<PAGE>   22
 
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
C. INVESTMENT INCOME--Interest income is recorded on an accrual basis. Bond
premium and original issue discount are amortized over the expected life of each
applicable security.
 
D. FEDERAL INCOME TAXES--It is the Fund's policy to comply with the requirements
of the Internal Revenue Code applicable to regulated investment companies and to
distribute substantially all of its taxable income, if any, to its shareholders.
Therefore, no provision for federal income taxes is required.
 
    The Fund intends to utilize provisions of the federal income tax laws which
allow it to carry a realized capital loss forward for eight years following the
year of loss and offset such losses against any future realized capital gains.
At December 31, 1995, the Fund had an accumulated capital loss carryforward for
tax purposes of $5,644,612, of which $9,531 and $5,635,081 will expire on
December 31, 2001 and 2003, respectively. Net realized gains or losses may
differ for financial and tax reporting purposes primarily as a result of post
October 31 losses which are not recognized for tax purposes until the first day
of the following fiscal year.
 
E. DISTRIBUTION OF INCOME AND GAINS--The Fund declares daily and pays monthly
dividends from net investment income. Net realized gains, if any, are
distributed annually. Distributions from net realized gains for book purposes
may include short-term capital gains, which are included as ordinary income for
tax purposes. Due to inherent differences in the recognition of certain expenses
under generally accepted accounting principles and federal income tax purposes,
the amount of distributable net investment income may differ between book and
federal income tax purposes for a particular period. These differences are
temporary in nature, but may result in book basis distribution in excess of net
investment income for certain periods.
 
F. EXPENSE REDUCTIONS--During the six months ended June 30, 1996, the Fund's
custody fee was reduced by $3,700 as a result of credits earned on overnight
cash balances.
 
                                       21
<PAGE>   23
 
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
2. INVESTMENT ADVISORY AGREEMENT AND OTHER TRANSACTIONS WITH AFFILIATES
 
Under the terms of the Fund's Investment Advisory Agreement, Van Kampen American
Capital Investment Advisory Corp. (the "Adviser") will provide facilities and
investment advice to the Fund for an annual fee payable monthly as follows:
 
<TABLE>
<CAPTION>
                   AVERAGE NET ASSETS                      % PER ANNUM
- ----------------------------------------------------------------------
<S>                                                        <C>
First $500 million......................................    .600 of 1%
Over $500 million.......................................    .500 of 1%
</TABLE>
 
    Certain legal expenses are paid to Skadden, Arps, Slate, Meagher & Flom,
counsel to the Fund, of which a trustee of the Fund is an affiliated person.
 
    For the six months ended June 30, 1996, the Fund recognized expenses of
approximately $19,100 representing Van Kampen American Capital Distributors,
Inc.'s or its affiliates' (collectively "VKAC") cost of providing accounting,
cash management and legal services to the Fund.
 
    ACCESS Investor Services, Inc. ("ACCESS"), an affiliate of the Adviser,
serves as the shareholder servicing agent for the Fund. For the six months ended
June 30, 1996, the Fund recognized expenses of approximately $131,500,
representing ACCESS' cost of providing transfer agency and shareholder services
plus a profit.
 
    Additionally, for the six months ended June 30, 1996, the Fund reimbursed
VKAC approximately $39,400 related to the cost of consolidating the VKAC
open-end fund complex. The reimbursement represents savings realized by the Fund
as a result of the consolidation.
 
    Certain officers and trustees of the Fund are also officers and directors of
VKAC. The Fund does not compensate its officers or trustees who are officers of
VKAC.
 
    The Fund has implemented deferred compensation and retirement plans for its
trustees. Under the deferred compensation plan, trustees may elect to defer all
or a portion of their compensation to a later date. The retirement plan covers
those trustees who are not officers of VKAC.
 
    At June 30, 1996, VKAC owned 100 shares each of Classes B and C.
 
3. CAPITAL TRANSACTIONS
The Fund has outstanding three classes of common shares, Classes A, B and C.
There are an unlimited number of shares of each class without par value
authorized. At June 30, 1996, paid in surplus aggregated $218,461,637,
$48,831,257 and $3,515,590 for
 
                                       22
<PAGE>   24
 
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
Classes A, B and C, respectively. For the six months ended June 30, 1996,
transactions were as follows:
 
<TABLE>
<CAPTION>
                                                SHARES          VALUE
<S>                                           <C>            <C>
- -------------------------------------------------------------------------
Sales:
  Class A..................................    1,251,429     $ 21,541,594
  Class B..................................      265,456        4,625,543
  Class C..................................       15,605          266,682
                                              ----------     ------------
Total Sales................................    1,532,490     $ 26,433,819
                                              ==========     =============
Dividend Reinvestment:
  Class A..................................      205,286     $  3,544,453
  Class B..................................       36,483          629,556
  Class C..................................        3,067           52,941
                                              ----------     ------------
Total Dividend Reinvestment................      244,836     $  4,226,950
                                              ==========     =============
Repurchases:
  Class A..................................     (918,842)    $(15,870,994)
  Class B..................................     (157,605)      (2,717,664)
  Class C..................................      (11,713)        (203,333)
                                              ----------     ------------
Total Repurchases..........................   (1,088,160)    $(18,791,991)
                                              ==========     =============
</TABLE>
 
                                       23
<PAGE>   25
 
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
    At December 31, 1995, paid in surplus aggregated $209,246,584, $46,293,822
and $3,399,300 for Classes A, B and C, respectively. For the year ended December
31, 1995, transactions were as follows:
 
<TABLE>
<CAPTION>
                                                SHARES          VALUE
<S>                                           <C>            <C>
- -------------------------------------------------------------------------
Sales:
  Class A..................................    1,119,488     $ 19,063,890
  Class B..................................      432,811        7,360,052
  Class C..................................       64,263        1,090,885
  Class D..................................          -0-              -0-
                                              ----------     ------------
Total Sales................................    1,616,562     $ 27,514,827
                                              ==========     =============
Dividend Reinvestment:
  Class A..................................      429,117     $  7,328,175
  Class B..................................       70,444        1,203,406
  Class C..................................        5,929          101,400
  Class D..................................          -0-                3
                                              ----------     ------------
Total Dividend Reinvestment................      505,490     $  8,632,984
                                              ==========     =============
Repurchases:
  Class A..................................   (1,402,145)    $(23,853,016)
  Class B..................................     (200,582)      (3,410,196)
  Class C..................................      (13,519)        (235,564)
  Class D..................................         (112)          (1,930)
                                              ----------     ------------
Total Repurchases..........................   (1,616,358)    $(27,500,706)
                                              ==========     =============
</TABLE>
 
    Class B and C shares are offered without a front end sales charge, but are
subject to a contingent deferred sales charge (CDSC). The CDSC will be imposed
on most redemptions made within six years of the purchase for Class B and one
year of the purchase for Class C as detailed in the following schedule. The
Class B and C shares bear
 
                                       24
<PAGE>   26
 
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
the expense of their respective deferred sales arrangements, including higher
distribution and service fees and incremental transfer agency costs.
 
<TABLE>
<CAPTION>
                                                 CONTINGENT DEFERRED
                                                    SALES CHARGE
            YEAR OF REDEMPTION                CLASS B        CLASS C
<S>                                           <C>          <C>
- -----------------------------------------------------------------------
First......................................      4.00%            1.00%
Second.....................................      3.75%             None
Third......................................      3.50%             None
Fourth.....................................      2.50%             None
Fifth......................................      1.50%             None
Sixth......................................      1.00%             None
Seventh and Thereafter.....................       None             None
</TABLE>
 
    For the six months ended June 30, 1996, VKAC, as Distributor for the Fund,
received commissions on sales of the Fund's Class A shares of approximately
$45,100 and CDSC on redeemed shares of approximately $57,600. Sales charges do
not represent expenses of the Fund.
 
4. INVESTMENT TRANSACTIONS
During the period, the cost of purchases and proceeds from sales of investments,
excluding short-term investments were $102,635,023 and $88,425,608,
respectively.
 
5. DERIVATIVE FINANCIAL INSTRUMENTS
A derivative financial instrument in very general terms refers to a security
whose value is "derived" from the value of an underlying asset, reference rate
or index.
 
    The Fund has a variety of reasons to use derivative instruments, such as to
attempt to protect the Fund against possible changes in the market value of its
portfolio and to manage the portfolio's effective yield, maturity and duration.
All of the Fund's portfolio holdings, including derivative instruments, are
marked to market each day with the change in value reflected in the unrealized
appreciation/depreciation on investments. Upon disposition, a realized gain or
loss is recognized accordingly.
 
    Summarized below are the specific types of derivative financial instruments
used by the Fund.
 
A. OPTION CONTRACTS--An option contract gives the buyer the right, but not the
obligation to buy (call) or sell (put) an underlying item at a fixed exercise
price during a
 
                                       25
<PAGE>   27
 
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
specified period. These contracts are generally used by the Fund to manage the
portfolio's effective maturity and duration.
 
    Transactions in options for the six months ended June 30, 1996 were as
follows:
 
<TABLE>
<CAPTION>
                                                   CONTRACTS     PREMIUM
<S>                                                <C>          <C>
- -------------------------------------------------------------------------
Outstanding at December 31, 1995................         -0-          -0-
Options Written and Purchased (Net).............         175     (102,585)
Options Expired (Net)...........................        (175)     102,585
                                                        ----     --------
Outstanding at June 30, 1996....................         -0-          -0-
                                                        ====     ========
</TABLE>
 
B. FUTURES CONTRACTS--A futures contract is an agreement involving the delivery
of a particular asset on a specified future date at an agreed upon price. The
Fund generally invests in futures on U.S. Treasury Bonds and the Municipal Bond
Index and typically closes the contract prior to the delivery date. These
contracts are generally used to manage the portfolio's effective maturity and
duration.
 
    Upon entering into futures contracts, the Fund maintains, in a segregated
account with its custodian, securities with a value equal to its obligation
under the futures contracts. During the period the futures contract is open,
payments are received from or made to the broker based upon changes in the value
of the contract (the variation margin). Upon the closing settlement of a
contract, gains or losses are realized. The cost of securities acquired through
delivery under a contract is adjusted by the unrealized gain or loss on the
contract.
 
    Transactions in futures contracts, each with a par value of $100,000, for
the six months ended June 30, 1996, were as follows:
 
<TABLE>
<CAPTION>
                                                             CONTRACTS
<S>                                                          <C>
- ----------------------------------------------------------------------
Outstanding at December 31, 1995..........................           0
Futures Opened............................................         450
Futures Closed............................................        (350)
                                                                  ----
Outstanding at June 30, 1996..............................         100
                                                                  ====
</TABLE>
 
                                       26
<PAGE>   28
 
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
                           June 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------
 
    The futures contracts outstanding as of June 30, 1996, and the description
and unrealized depreciation are as follows:
 
<TABLE>
<CAPTION>
                                                              UNREALIZED
                                                CONTRACTS    DEPRECIATION
<S>                                             <C>          <C>
- -------------------------------------------------------------------------
U.S. Treasury Long Bond Future
  Sept. 1996--Sells to Open..................         100        $332,057
                                                                 ========
</TABLE>
 
C. INVERSE FLOATING SECURITY--These instruments, which are identified in the
portfolio of investments, have a coupon which is inversely indexed to a
short-term floating interest rate multiplied by a specified factor. As the
floating rate rises, the coupon is reduced. Conversely, as the floating rate
declines, the coupon is increased. The price of these securities may be more
volatile than the price of a comparable fixed rate security. These instruments
are typically used by the Fund to enhance the yield of the portfolio.
 
6. DISTRIBUTION AND SERVICE PLANS
The Fund and its shareholders have adopted a distribution plan pursuant to Rule
12b-1 under the Investment Company Act of 1940 and a service plan (collectively
the "Plans"). The Plans govern payments for the distribution of the Fund's
shares, ongoing shareholder services and maintenance of shareholder accounts.
 
    Annual fees under the Plans of up to .25% of Class A shares and 1.00% each
of Class B and Class C shares are accrued daily. Included in these fees for the
six months ended June 30, 1996, are payments to VKAC of approximately $188,900.
 
                                       27
<PAGE>   29
 
                FUNDS DISTRIBUTED BY VAN KAMPEN AMERICAN CAPITAL
 
GLOBAL AND
INTERNATIONAL
   Global Equity Fund
   Global Government Securities Fund
   Global Managed Assets Fund
   Short-Term Global Income Fund
   Strategic Income Fund
 
EQUITY
Growth
   Aggressive Growth Fund
   Emerging Growth Fund
   Enterprise Fund
   Pace Fund
Growth & Income
   Balanced Fund
   Comstock Fund
   Equity Income Fund
   Growth and Income Fund
   Harbor Fund
   Real Estate Securities Fund
   Utility Fund
 
FIXED INCOME
   Corporate Bond Fund
   Government Securities Fund
   High Income Corporate Bond Fund
   High Yield Fund
   Limited Maturity Government Fund
   Prime Rate Income Trust
   Reserve Fund
   U.S. Government Fund
   U.S. Government Trust for Income
 
TAX-FREE
   California Insured Tax Free Fund
   Florida Insured Tax Free
     Income Fund
   High Yield Municipal Fund
   Insured Tax Free Income Fund
   Intermediate Term Municipal
     Income Fund
   Municipal Income Fund
   New Jersey Tax Free Income Fund
   New York Tax Free Income Fund
   Pennsylvania Tax Free Income Fund
   Tax Free High Income Fund
   Tax Free Money Fund
   Texas Tax Free Income Fund
 
THE GOVETT FUNDS
   Emerging Markets Fund
   Global Income Fund
   International Equity Fund
   Latin America Fund
   Pacific Strategy Fund
   Smaller Companies Fund
 
   Ask your investment representative for a prospectus containing more complete
   information, including sales charges and expenses. Please read it carefully
   before you invest or send money. Or call us direct at 1-800-341-2911 weekdays
   from 7:00 a.m. to 7:00 p.m. Central time.
 
                                       28
<PAGE>   30
 
         VAN KAMPEN AMERICAN CAPITAL PENNSYLVANIA TAX FREE INCOME FUND
 
BOARD OF TRUSTEES
 
J. MILES BRANAGAN
 
LINDA HUTTON HEAGY
 
ROGER HILSMAN
 
R. CRAIG KENNEDY
 
DENNIS J. MCDONNELL*
 
DONALD C. MILLER - Co-Chairman
 
JACK E. NELSON
 
DON G. POWELL*
 
JEROME L. ROBINSON
 
FERNANDO SISTO - Co-Chairman
 
WAYNE W. WHALEN*
 
WILLIAM S. WOODSIDE
 
OFFICERS
 
DON G. POWELL*
President and Chief Executive Officer
 
DENNIS J. MCDONNELL*
Executive Vice President
 
RONALD A. NYBERG*
Vice President and Secretary
 
EDWARD C. WOOD, III*
Vice President and Chief Financial Officer
 
CURTIS W. MORELL*
Vice President and Chief Accounting Officer
 
JOHN L. SULLIVAN*
Treasurer
 
TANYA M. LODEN*
Controller
 
WILLIAM N. BROWN*
 
PETER W. HEGEL*
 
ROBERT C. PECK, JR.*
 
ALAN T. SACHTLEBEN*
 
PAUL R. WOLKENBERG*
Vice Presidents
INVESTMENT ADVISER
 
VAN KAMPEN AMERICAN CAPITAL
INVESTMENT ADVISORY CORP.
One Parkview Plaza
Oakbrook Terrace, Illinois 60181
 
DISTRIBUTOR
 
VAN KAMPEN AMERICAN CAPITAL
DISTRIBUTORS, INC.
One Parkview Plaza
Oakbrook Terrace, Illinois 60181
 
SHAREHOLDER SERVICING AGENT
 
ACCESS INVESTOR
SERVICES, INC.
P.O. Box 418256
Kansas City, Missouri 64141-9256
 
CUSTODIAN
 
STATE STREET BANK
AND TRUST COMPANY
225 Franklin Street
P.O. Box 1713
Boston, Massachusetts 02105
 
LEGAL COUNSEL
 
SKADDEN, ARPS, SLATE,
MEAGHER & FLOM
333 West Wacker Drive
Chicago, Illinois 60606
 
INDEPENDENT ACCOUNTANTS
 
KPMG PEAT MARWICK LLP
Peat Marwick Plaza
303 East Wacker Drive
 
Chicago, Illinois 60601
 
* "Interested" persons of the Fund, as defined in the
  Investment Company Act of 1940.
(C) Van Kampen American Capital Distributors, Inc., 1996
    All rights reserved.
 
SM denotes a service mark of
   Van Kampen American Capital Distributors, Inc.
 
This report is submitted for the general information of the shareholders of the
Fund. It is not authorized for distribution to prospective investors unless it
has been preceded or is accompanied by an effective prospectus of the Fund which
contains additional information on how to purchase shares, the sales charge, and
other pertinent data.
 
                                       29


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