KEYSTONE TAX FREE FUND
N-30D, 1997-03-06
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PAGE 1 
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Keystone Tax Free Fund 
Seeks high current income, exempt from federal income taxes, while 
preserving capital by investing in high quality municipal bonds. 

Dear Shareholder: 

We are writing to report to you on the activities of Keystone Tax Free Fund 
for the twelve-month period which ended December 31, 1996. Following this 
letter, we have included a discussion with your Fund's manager 
discussing portfolio strategy. 

Performance 

For the twelve-month period, your Fund returned 3.15%. These results include 
price changes and reinvestment of dividends. The Lehman Municipal Bond 
Index--a widely recognized benchmark of municipal bond performance--returned 
4.43% for the same twelve-month period. 

  We were satisfied with your Fund's performance, which showed steady 
improvement in the second half of last year. 

  Municipal bond yields rose by less than 1/4% in 1996. However, this modest 
year-over-year increase masks the wide fluctuations that occurred during the 
past twelve months. 

  The municipal bond market experienced a period of adjustment in the first 
half of 1996. Interest rates reversed course quickly from the rally that had 
characterized much of the prior year, as investors responded to stronger than 
expected economic growth and anticipated rising inflation. The possibility of 
tax-reform and uncertainty regarding the national elections also caused 
municipal bond investors to exercise caution and push prices lower. 

  Clearer economic and political trends began to emerge by mid-year, causing 
the market's tone to improve. Although economic growth was confirmed to be 
moderate--stronger than many investors had originally expected--inflation 
remained well-contained. Investors also grew more comfortable with political 
agendas as the campaign season got underway, and tax-law changes became 
increasingly less of a possibility. The municipal bond market rebounded from 
its earlier lows to generate a positive performance in the second half of the 
year. 

Outlook 

We enter 1997 with a cautiously optimistic outlook that municipal bond prices 
will be relatively stable. We expect the economy to continue to grow at a 
moderate rate and inflation to remain well-contained. While we continually 
monitor the political environment, currently there appear to be no issues 
that would have the impact of last year's potential tax-law changes and the 
national elections. Although short periods of price fluctuations could 
occasionally occur, for the most part we look for interest rates to move 
within a narrow range. 

  Last year's municipal bond market performance also serves as a reminder that 
periods of adjustment are a natural part of the financial markets. As 
investors, we need to diversify our personal portfolios to help reduce the 
effects of temporary volatility. We also need to maintain a long-term 
perspective. Financial markets eventually stabilize; and total return builds 
over time. 

<PAGE> 

PAGE 2 
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Keystone Tax Free Fund 

  We appreciate your continued support of Keystone funds. If you have any 
questions or comments about your investment, please feel free to write to us. 

Sincerely, 

/s/ Albert H. Elfner, III 

Albert H. Elfner, III 
Chairman 
Keystone Investment Management Company 

/s/ George S. Bissell 

George S. Bissell 
Chairman of the Board 
Keystone Funds 
                                             [photo]              [photo] 
                                     Albert H. Elfner, III   George S. Bissell 

February 1997 

<PAGE> 

PAGE 3 
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                              A Discussion With 
                             Your Fund's Manager 

                                   [photo] 

               Betsy A. Hutchings is vice president and senior 
       portfolio manager at Keystone specializing in tax-free municipal 
      bonds. A professional with 17 years of investment experience, Ms. 
        Hutchings is the portfolio manager of Keystone Tax Free Fund. 

Q What does the Fund offer investors? 

A Keystone Tax Free Fund is designed for tax-sensitive investors who seek 
capital preservation and a high level of current income that is exempt from 
federal income tax. For investors in certain tax situations, a portion of 
income may be subject to the federal alternative minimum tax (AMT). The Fund 
offers professional management and portfolio diversification. We believe 
these are important attributes since many investors do not have the time or 
resources to monitor credit quality, the economy and interest rates. Further, 
we think that professional management and diversification can reduce credit 
risk and enhance price stability. 

Q How do you select securities for the Fund? 

A Our management team employs an intensive research process, paying careful 
attention to credit quality and financial stability. We structure the 
portfolio with bonds that meet our high credit standards. Our holdings 
typically have the characteristics that we believe are necessary for good 
performance in the current and anticipated interest rate environment. We 
emphasize diversification and focus on maximizing the Fund's income. 

Q What was the environment like for municipal bonds over the past twelve 
months? 

A Municipal bond rates rose modestly in 1996. The interest rate environment 
was volatile in the first half of the year and favorable in the second half 
of 1996. The economy grew faster than expected in the first six months of 
1996, causing concerns about future inflation. In addition to economic 
uncertainties, municipal bond investors prepared for the national elections 
and the possibility of tax-reform. 

  In the second half of last year, the uncertainties became resolved and 
municipal bonds staged an impressive turnaround. The economy was confirmed to 
be growing at a moderate pace. Inflation remained well-contained. As the 
campaign season progressed, investors grew more comfortable with political 
agendas; and tax-reform became increasingly less likely. 

  Other factors also helped shape the environment for municipal bonds. 
Although new issuance rose approximately 14% to $183 billion--its highest 
level since 1993 and demand from individuals was light, strong demand from 
insurance companies helped to create a stable balance in the supply/demand 
relationship. From a credit standpoint, upgrades exceeded downgrades and the 
yields of lower-rated bonds fell--pushing their prices higher--relative to 
higher-rated bonds. Municipal revenues were higher than past years and for 
the most part, state fund balances were healthy. 

Fund Profile 
Objective: Seeks high current income, exempt from federal income taxes, while 
preserving capital by investing in high quality municipal bonds. 
Inception Date: April 12, 1977 
Average Portfolio Quality: AA 
Total assets: $1.56 billion 

<PAGE> 

PAGE 4 
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Keystone Tax Free Fund 

Q How did you manage the Fund during this time? 

A We shortened the Fund's average maturity and swapped out of lower yielding 
issues into higher yielding issues that we considered to be undervalued. We 
later focused on bonds whose primary component in total return, we believed 
would be price appreciation, rather than income. These bonds had coupons that 
ranged from 5% to 5.50%, and had maturities of 15-20 years. Throughout the 
year we emphasized call protection. In fact, as of December 31, 1996, 
approximately one-third of the Fund's net assets were non-callable. 

  The Fund had a longer average maturity early in 1996, which had a negative 
effect on performance when interest rates became volatile. We shortened 
average maturity modestly as interest rates rose. This change, combined with 
the Fund's focus on bonds that emphasized price appreciation, resulted in the 
Fund's total return showing solid improvement throughout the rest of the 
year. The Fund posted a total return higher than that of the Lipper average 
for the fourth quarter. As of December 31, 1996, Keystone Tax Free Fund had 
an average maturity of just under 19 years. Average quality stood at AA. 

Q What is your outlook for the next six months? 

A We anticipate the overall economic and interest rate environment to be 
favorable for municipal bonds, but look for periods of volatility as we 
expect many investors to over-react to individual pieces of economic data. We 
expect the economy to continue on its path of moderate growth with low 
inflation. The political climate should also should be supportive. Voters 
have approved over $10 billion in new municipal bond issues for 1997 to 
improve infrastructures, particularly highways and schools. We believe new 
volume will increase at a rate between 8%-10% per year, over the next few 
years. 

  We will continue to emphasize bonds that we believe maximize price 
appreciation and will seek to capitalize on situations that are undervalued. 
Over the long-term, we believe this strategy can provide investors with solid 
total returns and an attractive level of income that is exempt from federal 
income tax. 

The Benefits of Tax Free Investing 

                       Federal Tax Bracket 
 ---------------   --------------------------- 
                       31%(1)   36%(2)   39.6%(3) 
 ---------------   ------    ------    ------- 
Tax Free Yield       Taxable Equivalent Yield 
 ---------------   --------------------------- 
5.0%                 7.25%    7.81%      8.28% 
6.0%                 8.70%    9.38%      9.93% 
7.0%                10.14%   10.94%     11.59% 

The equivalent yield for a tax free yield of 6.0% is 9.38% for an investor in 
the 36% tax bracket. In other words, a tax free yield of 6.0% is equal to a 
taxable yield of 9.38% if you are in the 36% federal tax bracket. 

(1) Single filers earning $53,501-$115,000; joint filers earning $89,151- 
    $140,000. 
(2) Single filers earning $115,001-$250,000; joint filers earning $140,001- 
    $250,000. 
(3) Single filers earning over $250,000; joint filers earning over $250,000. 

                                  [diamond] 
                      This column is intended to answer 
              questions about your Fund. If you have a question 
                  you would like answered, please write to: 
                 Evergreen Keystone Investment Services, Inc. 
                 Attn: Shareholder Communications, 22nd Floor 
            200 Berkeley Street, Boston, Massachusetts 02116-5034. 

<PAGE> 

PAGE 5 
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Your Fund's Performance 

Growth of an investment in 
Keystone Tax Free Fund 

        [mountain chart]

In Thousands 

          Initial        Reinvested 
          Investment     Distributions 

12/86     10,000         10,000
           9,152          9,986
12/88      9,253         11,074
           9,118         12,083
12/90      8,937         12,888
           9,129         14,280
12/92      9,095         15,358
           9,186         17,072
12/94      8,032         15,819
           8,891         18,447
12/96      8,722         19,027


A $10,000 investment in Keystone Tax Free Fund made on December 31, 1986 with 
all distributions reinvested was worth $19,027 on December 31, 1996. Past 
performance is no guarantee of future results. 

Twelve-Month Performance           as of December 31, 1996 

Total return*                                        3.15% 
Net asset value                       12/31/95      $7.86 
                                      12/31/96      $7.71 
Dividends                                           $0.39 
Capital gains                                        None 

* Before deduction of any contingent deferred sales charge (CDSC). 



Historical Record                  as of December 31, 1996 

                                        If you   If you did 
Cumulative total return               redeemed   not redeem 

1-year                                  0.21%        3.15% 
5-year                                 33.24%       33.24% 
10-year                                90.27%       90.27% 
Average annual total return 
1-year                                  0.21%        3.15% 
5-year                                  5.91%        5.91% 
10-year                                 6.64%        6.64% 


The "if you redeemed" returns reflect the deduction of the 3% CDSC for those 
investors who sold Fund shares after one calendar year. Investors who 
retained their fund investment earned the returns reported in the second 
column of the table. 

 The investment return and principal value will fluctuate so that your 
shares, when redeemed, may be worth more or less than the original cost. 

 You may exchange your shares for another Keystone fund by phone or in 
writing. You may also exchange funds using Keystone's Automated Response Line 
(KARL). The Fund reserves the right to change or terminate the exchange 
offer. 

<PAGE> 

PAGE 6 
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Keystone Tax Free Fund 

Growth of an Investment 

Comparison of change in value of a $10,000 investment in Keystone Tax Free 
Fund, the Lehman Municipal Bond Index and the Consumer Price Index. 

In Thousands                       December 31, 1986 through December 31, 1996 

         Fund Average 
     Annual Total Return 
- --------------------------- 
1 Year    5 Year    10 Year 
0.21%     5.91%     6.64% 

                [line chart]

                    Lehman Municipal    Consumer
                    Bond Index          Price Index
          Fund      (LMBI)              (CPI)
12/86     10,000    10,000              10,000
           9,986    10,150              10,441
12/88     11,074    11,179              10,903
          12,083    12,385              11,409
12/90     12,888    13,288              12,105
          14,280    14,901              12,476
12/92     15,358    16,215              12,836
          17,072    18,206              13,190
12/94     15,819    17,269              13,542
          18,447    20,285              13,886
12/96     19,027    21,183              14,348

Past performance is no guarantee of future results. The one-year return 
reflects the deduction of the Fund's 3% contingent deferred sales charge for 
shares held for at least one year. CPI is through 

This chart graphically compares your Fund's performance to certain investment 
indexes. It is the result of fund performance guidelines issued by the 
Securities and Exchange Commission. The intent is to provide investors with 
more information about their investment. 

Components of the Chart 

The chart is composed of three lines that represent the accumulated value of 
an initial $10,000 investment for the period indicated. The lines illustrate 
a hypothetical investment in: 

1. Keystone Tax Free Fund 

Your fund seeks current income, exempt from federal income taxes, while 
preserving capital by investing in high quality municipal bonds. The return 
is quoted after deducting contingent deferred sales charges (if applicable), 
fund expenses, and transaction costs and assumes reinvestment of all 
distributions. 

2. Lehman Municipal Bond Index (LMBI) 

The LMBI is a broad-based, unmanaged market index of securities issued by 
state and local governments. It represents the price change and coupon income 
of several thousand securities with various maturities and qualities. 
Securities are selected and compiled by Lehman Brothers, Inc. according to 
criteria that may be unrelated to your Fund's investment objective. 

3. Consumer Price Index (CPI) 

This index is a widely recognized measure of the cost of goods and services 
produced in the U.S. The index contains factors such as prices of services, 
housing, food, transportation and electricity which are compiled by the U.S. 
Bureau of Labor Statistics. The CPI is generally considered a valuable 
benchmark for investors who seek to outperform increases in the cost of 
living. 

  These indexes do not include transaction costs associated with buying and 
selling securities, and do not hold cash to meet redemptions. It would be 
difficult for most individual investors to duplicate these indexes. 

Understanding What the Chart Means 

The chart demonstrates your Fund's performance in relation to a well known 
investment index and to increases in the cost of living. It is important to 
understand what the chart shows and does not show. 

  This illustration is useful because it charts Fund and index performance 
over the same time frame and over a long period. Long-term performance is a 
more reliable and useful measure of performance than measurements of 
short-term returns or temporary swings in the market. Your financial adviser 
can help you evaluate fund performance in conjunction with the other 
important financial considerations such as safety, stability and consistency. 

<PAGE> 


PAGE 7 
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Limitations of the Chart 

 The chart, however, limits the evaluation of Fund performance in several 
ways. Because the measurement is based on total returns over an extended 
period of time, the comparison often favors those funds which emphasize 
capital appreciation when the market is rising. Likewise, when the market is 
declining, the comparison usually favors those funds which take less risk. 

Performance Can Be Distorted 

Funds which are more conservative in their orientation and which place an 
emphasis on capital preservation will tend to compare less favorably when the 
market is rising. In addition, funds which have income as one of their 
objectives also will tend to compare less favorably to relevant indexes. 

  Indexes may also reflect the performance of some securities which a fund may 
be prohibited from buying. A bond fund, for example, may be limited to 
investments in only high quality bonds, or a stock fund may only be able to 
buy stocks that have been traded on a stock exchange for a minimum number of 
years or of a certain company size. Indexes usually do not have the same 
investment restrictions as your fund. 

Indexes Do Not Include Costs of Investing 

The comparison is further limited in its utility because the index does not 
take into account any deductions for sales charges, transactions costs or 
other fund expenses. Your Fund's performance figures do reflect such 
deductions. Sales charges--whether up-front or deferred--pay for the cost of 
the investment advice of your financial adviser. Transaction costs pay for 
the costs of buying and selling securities for your Fund's portfolio. Fund 
expenses pay for the costs of investment management and various shareholder 
services. None of these costs are reflected in index total returns. The 
comparison is not completely realistic because an index cannot be duplicated 
by an investor--even an unmanaged index--without incurring some charges and 
expenses. 

One of Several MeasuresKeystone Tax Free Fund 

The chart is one of several tools you can use to understand your investment. 
It should be read in conjunction with the Fund's prospectus, and annual and 
semiannual reports. Also, your financial adviser, who understands your 
personal financial situation, can best explain the features of your Keystone 
fund and how it applies to your financial needs. 

Future Returns May Be Different 

Shareholders also should be mindful that the long-run perfomance of either 
the Fund or the indexes is not representative of what shareholders should 
expect to receive from their Fund investment in the future; it is presented 
to illustrate only past performance and is not a guarantee of future returns. 


<PAGE> 

PAGE 8 
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Keystone Tax Free Fund 

                                 Glossary of 
                              Mutual Fund Terms 

  MUTUAL FUND--A company which combines the investment money of many people 
whose financial goals are similar, and invests that money in a variety of 
securities. A mutual fund allows the smaller investor the benefits of 
diversification, professional management and constant supervision usually 
available only to large investors. 

  PORTFOLIO MANAGER--An investment professional who is responsible for 
managing a portfolio's assets prudently and making appropriate investment 
decisions, such as which securities to buy, hold and sell, based on the 
investment objectives of the portfolio. 

  STOCK--Equity or ownership interest in a corporation, which represents a 
claim on the corporation's assets and earnings. 

  BOND--Security issued by a government or corporation to those from whom it 
has borrowed money. A bond usually promises to pay interest income to the 
bondholder at regular intervals and to repay the entire amount borrowed at 
maturity date. 

  CONVERTIBLE SECURITY--A corporate security (usually preferred stock or 
bonds) that is exchangeable for a set number of another security type 
(usually common stocks) at a pre-stated price. 

  MONEY MARKET FUND--A mutual fund whose assets are invested in a diversified 
portfolio of short-term securities, including commercial paper, bankers' 
acceptances, certificates of deposit and other short-term instruments. The 
fund pays income which can fluctuate daily. Liquidity and safety of principal 
are primary objectives. 

  NET ASSET VALUE (NAV) PER SHARE--The value of one share of a mutual fund. 
The NAV per share is determined by subtracting a fund's total liabilities 
from its total assets, and dividing that amount by the number of fund shares 
outstanding. 

  DIVIDEND--A per share distribution of the income earned from the fund's 
portfolio holdings. When a dividend distribution is made, the fund's net 
asset value drops by the amount of the distribution because the distribution 
is no longer considered part of the fund's assets. 

  CAPITAL GAIN--The profit from the sale of securities, less any losses. 
Capital gains are paid to fund shareholders on a per share basis. When a 
capital gain distribution is made, the fund's net asset value drops by the 
amount of the distribution because the distribution is no longer considered 
part of the fund's assets. 

  YIELD--The annualized rate of income as measured against the current net 
asset value of fund shares. 

  TOTAL RETURN--The change in value of a fund investment over a specified 
period of time, taking into account the change in a fund's market price and 
the reinvestment of all fund distributions. 

  SHORT-TERM--An investment with a maturity of one year or less. 

  LONG-TERM--An investment with a maturity of greater than one year. 

  AVERAGE MATURITY--The average number of days until the notes, drafts, 
acceptances, bonds or other debt instruments in a portfolio become due and 
payable. 

  OFFERING PRICE--The offering price of a share of a mutual fund is the price 
at which the share is sold to the public. 

<PAGE> 

PAGE 9 
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SCHEDULE OF INVESTMENTS--December 31, 1996 

<TABLE>
<CAPTION>
                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
<S>                                                           <C>       <C>          <C>             <C>      
MUNICIPAL BONDS (98.0%) 
ALABAMA 
  Alabama Agricultural and Mechanic University (MBIA)         6.500%    11/01/2025   $ 2,035,000     $ 2,208,626 
  Alabama Housing Finance Authority, Single Family, 
    Collateralized Home Mortgage, Series D1                   6.000     10/01/2016     2,065,000       2,089,945 
  Mobile, Alabama, Industrial Development Board, Solid 
    Waste Disposal, Mobile Energy Services Company Project    6.950     01/01/2020     3,500,000       3,681,790 
ALASKA 
  Alaska Energy Authority, Utilities Revenue, Linked 
    Bulls/Bears Floaters (FGIC) (d)                           6.600     07/01/2015    15,000,000      16,346,550 
  Alaska State Housing Finance Corporation, Collateralized 
    Home Mortgage, Series A                                   8.000     12/01/2013       405,000         419,835 
  North Slope Borough, Alaska, General Obligation, Series 
    A (MBIA)                                                  5.900     06/30/2003     3,000,000       3,171,030 
  Valdez, Alaska, Marine Terminal Revenue, Union Alaska 
    Pipeline Company Project                                  6.200     05/01/2008     3,000,000       3,007,620 
ARIZONA 
  Central Arizona, Water Conservation District, Contract 
    Revenue, Central Arizona Project, Series A                5.500     11/01/2008     4,250,000       4,369,467 
  Central Arizona, Water Conservation District, Contract 
    Revenue, Central Arizona Project, Series A                5.500     11/01/2009    11,000,000      11,267,190 
  Chandler, Arizona, Water and Sewer Revenue (FGIC)           6.750     07/01/2006       850,000         920,193 
  Maricopa County, Arizona, Elementary School District 
    #008, Osborn Refunding (MBIA)                             7.500     07/01/2007     2,000,000       2,410,100 
  Maricopa County, Arizona, Elementary School District 
    #068, Series A (AMBAC)                                    6.750     07/01/2014     3,750,000       4,180,537 
  Maricopa County, Arizona, Unified School District (MBIA)    8.125     01/01/2010     6,000,000       6,918,060 
  Northern Arizona University, College and University 
    Revenue (FGIC)                                            6.300     06/01/2005     2,770,000       2,980,742 
  Pima County, Arizona, Industrial Development Authority, 
    Health Care Corporation Revenue (MBIA)                    8.000     07/01/2013       370,000         396,337 
  Pima County, Arizona, Unified School District, Tucson 
    Refunding (FGIC)                                          7.500     07/01/2003     2,030,000       2,356,769 
  Santa Cruz County, Arizona, Unified School District, 
    Capital Appreciation (AMBAC) (effective yield 5.95%) 
    (b)                                                       0.000     01/01/2008     1,100,000         621,115 
  Santa Cruz County, Arizona, Unified School District, 
    Capital Appreciation (AMBAC) (effective yield 5.95%) 
    (b)                                                       0.000     07/01/2008     1,100,000         605,187 
ARKANSAS 
  Arkansas State Development Finance Authority, Single 
    Family Mortgage Revenue Refunding                         8.000     08/15/2011     1,985,000       2,127,920 
CALIFORNIA 
  California Educational Facilities Authority, Stanford 
    University Project, Series H                              5.000     01/01/2015       250,000         234,938 
  California Health Facilities Financing, St. Francis 
    Medical Center, Series A                                  5.500     10/01/2009       200,000         207,158 
  California Housing Finance Agency, Revenue Bonds, Home 
    Mortgage, Series H                                        6.250     08/01/2027     2,000,000       2,019,520 

                                                                                            (continued on next page)

<PAGE> 

PAGE 10 
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Keystone Tax Free Fund

SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
CALIFORNIA (continued) 
  California State Department of Water Reserves, Series O     5.000%    12/01/2022   $ 6,360,000     $ 5,825,251 
  California State Public Works Board, Lease Department 
    Correctional State Prison, Series E                       5.500     06/01/2015     3,700,000       3,652,973 
  California State Public Works Board, Various California 
    University Projects, Series B                             5.500     06/01/2019       350,000         333,515 
  East Bay, California, Municipal Utility District, 
    Wastewater Treatment System Revenue (FGIC)                5.000     06/01/2026     3,500,000       3,213,175 
  Eden Township, California, Hospital District Revenue        7.400     11/01/2019     5,615,000       5,904,509 
  Los Angeles, California, Transportation Commission, 
    Series A (MBIA)                                           6.250     07/01/2013     6,800,000       7,139,184 
  Metropolitan Water District, Southern California 
    Waterworks Revenue, Series B                              4.750     07/01/2021     6,000,000       5,346,540 
  Oakland, California, Revenue Refunding, Series A (FGIC)     7.600     08/01/2021     4,265,000       4,565,427 
  San Francisco, California, City and County Airport 
    Commission, International Airport Revenue, Second 
    Series, Issue 12B (FGIC)                                  5.625     05/01/2021     5,000,000       4,970,300 
  Southern California Public Power Authority, Transmission 
    Project Revenue (FGIC) (effective yield 5.93%) (b)        0.000     07/01/2015    10,000,000       3,431,500 
  Walnut Valley, California, Unified School District, 
    Series A (MBIA)                                           6.000     08/01/2014       190,000         202,361 
COLORADO 
  Arapahoe County, Colorado, Single Family Mortgage 
    Revenue, Capital Appreciation, Series A (effective 
    yield 6.00%) (b)                                          0.000     09/01/2010     4,000,000       1,825,240 
  City and County of Denver, Colorado, Airport System, 
    Series A                                                  7.000     11/15/1999     2,000,000       2,120,980 
  City and County of Denver, Colorado, Airport System, 
    Series A                                                  7.500     11/15/2023     6,625,000       7,376,540 
  City and County of Denver, Colorado, Airport System, 
    Series A                                                  8.500     11/15/2023     7,750,000       8,909,943 
  City and County of Denver, Colorado, Airport System, 
    Series A                                                  8.750     11/15/2023    23,830,000      28,280,967 
  City and County of Denver, Colorado, Airport System, 
    Series A                                                  8.000     11/15/2025       525,000         594,142 
  City and County of Denver, Colorado, Airport System, 
    Series B                                                  7.250     11/15/2012     3,500,000       3,829,140 
  City and County of Denver, Colorado, Airport System, 
    Series C                                                  6.650     11/15/2005     5,980,000       6,362,840 
  City and County of Denver, Colorado, Airport System, 
    Series C                                                  5.600     11/15/2011     5,000,000       4,963,450 
  City and County of Denver, Colorado, Airport System, 
    Series C                                                  6.000     12/01/2025     5,000,000       5,019,400 
  City and County of Denver, Colorado, Airport System, 
    Series D                                                  7.750     11/15/2013     7,100,000       8,733,000 
  City and County of Denver, Colorado, Airport System, 
    Series D                                                  7.750     11/15/2021    12,250,000      13,593,825 
  Colorado Health Facilities Authority, Sisters Charity 
    Health Care, 
    Series A (MBIA)                                           6.250     05/15/2009     1,880,000       2,061,213 
  El Paso County, Colorado, School District #11, Colorado 
    Springs                                                   6.500     12/01/2012     2,310,000       2,588,817 
  El Paso County, Colorado, School District #11, Colorado 
    Springs                                                   7.100     12/01/2013     2,000,000       2,371,120 
  El Paso County, Colorado, School District #11, Colorado 
    Springs                                                   7.100     12/01/2016     1,000,000       1,190,880 
  Larimer County, Colorado, School District (MBIA)            7.000     12/15/2016     2,250,000       2,736,923 
CONNECTICUT 
  Connecticut State Special Tax Obligation, Series B          6.500     10/01/2012     1,600,000       1,786,256 
  Connecticut State Resources Recovery Authority, 
    Bridgeport Resco Company Project                          8.500     01/01/2000     1,375,000       1,424,692 

<PAGE> 

PAGE 11 
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SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
DELAWARE 
  Delaware State Health Facilities Authority, Medical 
    Center of Delaware (MBIA)                                 7.000%    10/01/2015   $ 1,600,000     $ 1,712,064 
  Delaware State Housing Authority Revenue, Residential 
    Mortgage, Series A                                        9.375     06/01/2012       120,000         120,334 
FLORIDA 
  Broward County, Florida, Professional Sports Facilities 
    Tax Revenue, Series A (MBIA)                              5.625     09/01/2028     2,500,000       2,477,075 
  Broward County, Florida, Resource Recovery, South 
    Project                                                   7.950     12/01/2008     8,400,000       9,238,572 
  City of Tarpon Springs Health Facilities Authority, 
    Florida, Hospital Refunding, Tarpon Springs Hospital 
    Foundation, Inc.,                                         8.750     05/01/2012       500,000         526,825 
  Dade County, Florida, General Obligation (FGIC)             5.125     10/01/2016     7,650,000       7,322,886 
  Dade County, Florida, Solid Waste System, Special 
    Obligation Revenue (AMBAC)                                5.250     10/01/2004     2,025,000       2,074,127 
  Escambia County, Florida, Pollution Control Revenue, 
    Champion International Corporation Project                6.400     09/01/2030     2,500,000       2,530,400 
  Florida Housing Finance Agency, GNMA Collateralized Home 
    Mortgage                                                  8.000     12/01/2020       640,000         673,856 
  Florida State, Bond Finance Department, Environmental 
    Preservation                                              5.250     07/01/2010     5,925,000       5,914,809 
  Florida State, Jacksonville Transportation Authority        9.200     01/01/2015     3,580,000       4,859,492 
  Hillsborough County, Florida, Housing Finance Agency, 
    Single Family Mortgage Revenue                            7.300     04/01/2022       495,000         511,167 
  Indian River County, Florida, Water and Sewer Revenue 
    (FGIC)                                                    5.250     09/01/2020     2,860,000       2,758,642 
  Jacksonville, Florida, Health Facilities Authority, New 
    Children's Hospital (MBIA)                                7.000     06/01/2021     1,800,000       1,971,036 
  Lakeland, Florida, Electric and Water Revenue               5.625     10/01/2036     4,000,000       3,942,600 
  Lee County, Florida, Hospital Board of Directors, 
    Hospital Revenue, Linked RIBs/SAVRs (d)                   6.350     03/26/2020    12,500,000      13,028,375 
  Lee County, Florida, Solid Waste System, Series B           7.000     10/01/2011       300,000         330,732 
  Martin County, Florida, Industrial Development 
    Authority, Indiantown Cogeneration Project--Series A      7.875     12/15/2025     9,000,000      10,260,180 
  Orlando-Orange County, Florida, Expressway Authority        8.250     07/01/2014     3,000,000       3,960,330 
  Orlando-Orange County, Florida, Expressway Authority 
    (FGIC)                                                    8.250     07/01/2015     2,960,000       3,918,803 
  Palm Beach County, Florida, Health Revenue, John F. 
    Kennedy Hospital                                          9.500     08/01/2013     2,985,000       3,859,665 
  Palm Beach County, Florida, Solid Waste Industrial 
    Development, Okeelanta Power Project                      6.700     02/15/2015     3,000,000       2,764,890 
  Palm Beach County, Florida, Solid Waste Industrial 
    Development, Okeelanta Power Project                      6.850     02/15/2021     7,500,000       6,964,125 
  Palm Beach County, Florida, Solid Waste, Osceola Power 
    Project, Series A                                         6.950     01/01/2022     7,500,000       7,042,575 
  St. Petersburg, Florida, Health Facilities Authority 
    (MBIA)                                                    7.000     12/01/2015     3,250,000       3,588,683 
  Sunrise, Florida, Utility Systems Revenue, Series A 
    (AMBAC)                                                   5.750     10/01/2026     9,000,000       9,026,640 
  Tampa, Florida, Allegheny Health Systems                    6.500     12/01/2023       500,000         550,155 
  Tampa, Florida, Guaranteed Entitlement, Series A            8.375     10/01/2008     3,145,000       3,367,760 
  Tampa, Florida, Subordinate Guaranteed Entitlement, 
    Series B (Pre-refunded)                                   8.500     10/01/2018     1,825,000       1,958,042 

                                                                                            (continued on next page)
<PAGE> 

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SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
GEORGIA 
  Forsyth County, Georgia, School District                    6.750%    07/01/2016   $ 3,000,000     $ 3,465,000 
  Georgia Municipal Electric Authority Power Revenue, 
    Series B                                                  6.375     01/01/2016     9,800,000      10,716,986 
  Georgia State, General Obligation, Series B                 6.800     03/01/2011    10,000,000      11,595,900 
  Georgia State, General Obligation, Series C                 5.250     04/01/2011    11,700,000      11,763,180 
  Georgia State, General Obligation, Series D                 6.700     08/01/2010     1,500,000       1,725,960 
  Metropolitan Atlanta Rapid Transit Authority, Georgia, 
    Sales Tax Revenue, Series P (AMBAC)                       6.250     07/01/2011     4,255,000       4,700,371 
HAWAII 
  Hawaii State Department of Budget and Finance, Special 
    Purpose Revenue, Hawaii Electric Company (MBIA)           7.375     12/01/2020     8,000,000       8,776,560 
IDAHO 
  Idaho Housing Finance Authority, Single Family Mortgage 
    Bonds, Series D-1                                         8.000     01/01/2020     1,110,000       1,182,827 
ILLINOIS 
  Chicago, Illinois, Gas Supply Revenue, People's Gas 
    Light and Coke Company, Series A                          8.100     05/01/2020    15,860,000      17,552,421 
  Cook County, Illinois, General Obligation, District 
    Number 508, Lease Certificates, Series C (MBIA)           7.700     12/01/2005     5,970,000       7,061,734 
  Illinois Development Finance Authority, Pollution 
    Control Revenue Refunding, Commonwealth Edison Company 
    Project, Series D                                         6.750     03/01/2015     4,000,000       4,379,280 
  Illinois State, Sales Tax, Series P                         6.500     06/15/2022     9,000,000      10,042,290 
  Kankakee, Illinois, Sewer Revenue (FGIC)                    6.875     05/01/2011     2,965,000       3,260,018 
  Metropolitan Fair and Exposition Authority, Illinois, 
    Series A                                                  5.000     06/01/2015     3,000,000       2,717,310 
  Metropolitan Pier and Exposition Authority, Illinois, 
    Dedicated State Tax Revenue, McCormick Place Expansion 
    Project (FGIC) (effective yield 6.70%) (b)                0.000     06/15/2015    19,440,000       6,736,349 
  Metropolitan Pier and Exposition Authority, Illinois, 
    Dedicated State Tax Revenue, McCormick Place Expansion 
    Project (MBIA) (effective yield 6.60%) (b)                0.000     06/15/2013     5,625,000       2,204,212 
  Metropolitan Pier and Exposition Authority, Illinois, 
    McCormick Place Expansion Project                         7.250     06/15/2005    10,180,000      11,670,352 
  Quincy, Illinois, Blessing Hospital Revenue                 6.000     11/15/2018     4,950,000       4,813,727 
INDIANA 
  Indianapolis, Indiana, Local Public Improvement Bond 
    Bank, Series 1992D                                        6.750     02/01/2020     2,000,000       2,142,600 
KANSAS 
  Burlington, Kansas, Pollution Control, Kansas Gas and 
    Electric Company (MBIA)                                   7.000     06/01/2031     2,000,000       2,202,580 
KENTUCKY 
  Carroll County, Kentucky, Kentucky Utility Company, 
    Series A                                                  7.450     09/15/2016     8,000,000       9,073,200 
  Jefferson County, Kentucky, Hospital Revenue, Linked 
    ACES/Inverse Floaters (MBIA) (d)                          6.435     10/23/2014     6,000,000       6,311,580 

<PAGE> 

PAGE 13 
- -------------------- 


SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
KENTUCKY (continued) 
  Kentucky Housing Corporation, Housing Revenue Bond, 
    Series C                                                  7.900%    01/01/2021   $ 4,610,000     $ 4,857,050 
  Trimble County, Kentucky, Pollution Control, Louisville 
    Gas and Electric Company                                  7.625     11/01/2020     2,725,000       3,009,735 
  Trimble County, Kentucky, Pollution Control, Louisville 
    Gas and Electric Company, Series A (Pre-refunded)         7.625     11/01/2020       545,000         612,275 
LOUISIANA 
  Louisiana Public Facilities Authority, Hospital Revenue, 
    Woman Hospital Foundation Project                         7.250     10/01/2022     1,750,000       1,869,000 
  New Orleans, Louisiana, Capital Appreciation (AMBAC) 
    (effective yield 5.77%) (b)                               0.000     09/01/2011     5,000,000       2,210,150 
  New Orleans, Louisiana, Capital Appreciation (AMBAC) 
    (effective yield 5.82%) (b)                               0.000     09/01/2012     4,700,000       1,944,108 
  New Orleans, Louisiana, Capital Appreciation (AMBAC) 
    (effective yield 6.05%) (b)                               0.000     09/01/2014     6,960,000       2,549,866 
  Orleans Parish, Louisiana, School Board (ETM)               9.050     02/01/2010     5,175,000       6,870,485 
  Orleans Parish, Louisiana, School Board, Refunding 
    Bonds, Series B                                           5.200     02/01/2014     3,000,000       2,893,530 
  Ouachita Parish, Louisiana, Louisiana Hospital Service 
    Revenue, Glenwood Regional Medical Center                 7.500     07/01/2021     2,000,000       2,265,280 
MAINE 
  Maine State Housing Authority, Mortgage Purchase, 
    Series A3                                                 7.800     11/15/2015     2,580,000       2,643,881 
  Regional Waste System, Maine, Solid Waste Resources 
    Recovery Revenue                                          8.150     07/01/2011     2,500,000       2,706,150 
MARYLAND 
  Maryland State Community Development Administration, 
    Multi-Family Housing                                      8.750     05/15/2012     3,345,000       3,363,732 
  Maryland State and Local Facilities Loan, 3rd Series        5.000     10/15/2010    11,250,000      11,055,938 
MASSACHUSETTS 
  Lawrence, Massachusetts, General Obligation (AMBAC)         6.250     02/15/2009       550,000         592,564 
  Massachusetts Bay Transportation Authority, Refunding, 
    General Transportation Systems, Series A                  7.000     03/01/2008     4,550,000       5,266,625 
  Massachusetts Bay Transportation Authority, General 
    Transportation Systems, Series A                          7.000     03/01/2007     5,000,000       5,775,650 
  Massachusetts Bay Transportation Authority, Series A        7.000     03/01/2011     6,110,000       7,105,808 
  Massachusetts Bay Transportation Authority, Series A        6.250     03/01/2012     7,600,000       8,309,232 
  Massachusetts Bay Transportation Authority, Series B        6.200     03/01/2016     2,125,000       2,315,506 
  Massachusetts Bay Transportation Authority, Series B        5.250     03/01/2020     4,500,000       4,302,315 
  Massachusetts Industrial Finance Agency, Harvard 
    Community Health Plan, Incorporated, Series B             8.125     10/01/2017    13,750,000      14,602,362 
  Massachusetts Industrial Finance Agency, Solid Waste 
    Disposal Revenue, Senior Lien, Massachusetts Recycling 
    Association, Series A                                     9.000     08/01/2016     8,000,000       4,000,000 
  Massachusetts Municipal Wholesale Electric, Power Supply 
    Systems Revenue, Series B                                 6.750     07/01/2008     6,050,000       6,465,393 
  Massachusetts State Consumer Loan, Series B (FGIC)          5.500     06/01/2012     6,385,000       6,438,762 

                                                                                            (continued on next page)
<PAGE> 

PAGE 14 
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SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
MASSACHUSETTS (continued) 
  Massachusetts State, General Obligation, Consolidated 
    Loan, Series C (FGIC)                                     6.600%    11/01/2008   $ 8,000,000     $ 8,952,960 
  Massachusetts State Health and Educational Facilities 
    Authority, Brigham & Women's Hospital (MBIA)              6.750     07/01/2024     2,000,000       2,159,400 
  Massachusetts State Health and Educational Facilities 
    Authority, Capital Asset Program (MBIA)                   7.300     10/01/2018     2,000,000       2,181,040 
  Massachusetts State Health and Educational Facilities 
    Authority, Massachusetts General Hospital, Series F 
    (AMBAC)                                                   6.250     07/01/2012     5,000,000       5,457,200 
  Massachusetts State Health and Educational Facilities 
    Authority, McLean Hospital Issue, Series C                6.500     07/01/2010       500,000         539,710 
  Massachusetts State Health and Educational Facilities 
    Authority, Milton Hospital, Series B                      7.250     07/01/2005       700,000         767,494 
  Massachusetts State Health and Educational Facilities 
    Authority, New England Deaconess Hospital                 6.875     04/01/2022       500,000         527,665 
  Massachusetts State Health and Educational Facilities 
    Authority, New England Deaconess Hospital (AMBAC)         6.875     04/01/2022     2,980,000       3,252,640 
  Massachusetts State, Water Pollution Abatement Trust, 
    Pooled Loan Program, Series 2                             6.125     02/01/2008        85,000          92,837 
  Massachusetts State Water Resources Authority, Series A     7.125     04/01/2000     1,500,000       1,620,480 
  Massachusetts State Water Resources Authority, Series A 
    (MBIA)                                                    6.000     08/01/2014     1,500,000       1,549,140 
  Massachusetts State Water Resources Authority, Series B     4.000     12/01/2018    19,870,000      15,353,748 
  Massachusetts State Water Resources Authority, Series B 
    (MBIA)                                                    5.000     12/01/2016       250,000         233,490 
MICHIGAN 
  Monroe County, Michigan, Economic Development 
    Corporation, Detroit Edison Company (FGIC)                6.950     09/01/2022     9,500,000      11,383,850 
  Okemos, Michigan, Public School District, Series I 
    (effective yield 7.35%) (b)                               0.000     05/01/2021    51,525,000      11,080,966 
  Romulus, Michigan, Community Schools, Capital 
    Appreciation, Series I (effective yield 8.02%) (b)        0.000     05/01/2017    39,490,000      11,206,472 
  West Ottawa, Michigan, Public School District, Capital 
    Appreciation (effective yield 7.55%) (b)                  0.000     05/01/2015    35,490,000      11,505,148 
MINNESOTA 
  Dakota County, Minnesota, Single Family Mortgage            8.100     09/01/2012     1,285,000       1,344,611 
  Minnesota State Housing Finance Agency, Single Family 
    Mortgage, Series D                                        8.000     01/01/2023     1,385,000       1,434,625 
MISSISSIPPI 
  Harrison County, Mississippi, Wastewater Treatment 
    Management                                                8.500     02/01/2013     1,000,000       1,352,510 
MISSOURI 
  Kansas City, Missouri, Municipal Assistance Corporation, 
    Refunding Leasehold, H Roe Bartle, Revenue Bonds, 
    Series A                                                  5.000     04/15/2020    11,500,000      10,663,720 
  Missouri State Health and Educational Facilities 
    Authority, Barnes Jewish Hospital (MBIA)                  5.150     05/15/2010     5,000,000       4,908,150 

<PAGE> 

PAGE 15 
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SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
MISSOURI (continued) 
  Missouri State Housing Development Commission, Mortgage 
    Revenue, Single Family, Series B                          6.450%    09/01/2027   $ 1,000,000     $ 1,018,750 
  University of Missouri, University Improvement Systems 
    Facilities                                                5.500     11/01/2023        25,000          24,693 
NEBRASKA 
  Nebraska Higher Education Loan Program                      6.450     06/01/2018     8,320,000       8,643,981 
NEVADA 
  Clark County, Nevada, School District, Series A (MBIA)      6.750     03/01/2007     3,000,000       3,245,370 
  Clark County, Nevada, Series A (AMBAC)                      7.500     06/01/2009     6,000,000       7,203,780 
NEW HAMPSHIRE 
  New Hampshire Higher Education & Health Facilities 
    Authority, Frisbie Memorial Hospital, Revenue Bonds       6.125     10/01/2013     8,155,000       8,136,325 
NEW JERSEY 
  Camden County, New Jersey, Municipal Utilities 
    Authority, Sewer Revenue                                  5.125     07/15/2017     4,650,000       4,343,890 
  Gloucester County, New Jersey Improvement Authority, 
    Solid Waste Resource Recovery Revenue, Gloucester 
    County Project A                                          8.125     07/01/2010     1,000,000       1,027,070 
  New Jersey Health Care Facilities Financing Authority, 
    Jersey Shore Medical Center (AMBAC)                       6.125     07/01/2012     1,000,000       1,036,460 
  New Jersey Health Care Facilities Financing Authority, 
    Kimball Medical Center, Series C                          8.000     07/01/2013     3,000,000       3,211,530 
  New Jersey Health Care Facilities Financing Authority, 
    St. Elizabeth's Hospital, Series B                        7.750     07/01/1998     1,200,000       1,227,876 
NEW MEXICO 
  Albuquerque, New Mexico, Joint Water and Sewer System 
    Revenue, Series A (FGIC) (effective yield 6.90%) (b)      0.000     07/01/2008     2,950,000       1,590,581 
  City of Albuquerque, New Mexico, Hospital System, 
    Series A (MBIA)                                           6.375     08/01/2007     1,500,000       1,613,190 
  New Mexico Educational Assistance Foundation, Series B      6.300     12/01/2004     2,225,000       2,401,687 
  University of New Mexico, University Revenues, 
    Subordinate Lien (MBIA)                                   5.375     06/01/2026     3,750,000       3,598,012 
NEW YORK 
  Battery Park City Authority, New York, Junior Bonds, 
    Series A (AMBAC)                                          5.500     11/01/2029     2,000,000       1,946,920 
  Metropolitan Transportation Authority, New York, 
    Dedicated Tax Fund, Series A (MBIA)                       5.500     04/01/2015     4,500,000       4,493,925 
  Metropolitan Transportation Authority, New York, 
    Dedicated Tax Fund, Series A (MBIA)                       5.250     04/01/2026    10,250,000       9,751,338 
  New York City, New York, City Municipal Water Finance 
    Authority, Water & Sewer System, Revenue Bonds, 
    Series B (MBIA)                                           5.750     06/15/2026    10,000,000      10,041,600 
  New York City, New York, City Municipal Water Finance 
    Authority, Water and Sewer System Revenue (FGIC)          7.000     06/15/2015     4,270,000       4,672,618 
  New York City, New York, City Municipal Water Finance 
    Authority, Water and Sewer System Revenue, Series B       5.875     06/15/2026     7,500,000       7,501,200 
  New York City, New York, General Obligation, Fiscal 
    1992, Series A                                            5.875     03/15/2011     6,000,000       5,881,620 

                                                                                            (continued on next page)
<PAGE> 

PAGE 16
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Keystone Tax Free Fund

SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
NEW YORK (continued) 
  New York City, New York, General Obligation, Fiscal 
    1992, Series A                                            7.750%    08/15/2014   $ 5,125,000     $ 5,885,038 
  New York City, New York, General Obligation, Prerefunded 
    Balance, Series A                                         7.750     08/15/2008     8,475,000       9,712,774 
  New York City, New York, General Obligation, Refunding, 
    Series A (FGIC)                                           5.750     08/01/2010       400,000         405,104 
  New York City, New York, General Obligation, Series E 
    (FGIC)                                                    6.000     08/01/2016     4,500,000       4,620,960 
  New York City, New York, General Obligation, Unrefunded 
    Balance, Series A                                         7.750     08/15/2008     1,525,000       1,705,880 
  New York City, New York, General Obligation, Unrefunded 
    Balance, Series A                                         7.750     08/15/2014       335,000         372,979 
  New York City, New York, Industrial Special Facility, 
    Terminal One Group Association Project                    6.000     01/01/2015     2,500,000       2,496,825 
  New York City, New York, Prerefunded, Series A              7.750     08/15/2015     7,980,000       9,163,434 
  New York State Care Facilities, New York Hospital, 
    Series A                                                  6.800     08/15/2024     3,800,000       4,181,976 
  New York State Dormitory Authority Revenue, City 
    University Educational Facilities                         6.000     07/01/2026     9,500,000       9,424,095 
  New York State Dormitory Authority Revenue, City 
    University Educational Facilities (FGIC)                  7.000     07/01/2009     3,780,000       4,447,019 
  New York State Dormitory Authority Revenue, City 
    University Educational Facilities (FGIC)                  5.375     07/01/2014     1,000,000         984,810 
  New York State Dormitory Authority Revenue, Mental 
    Health Facility (MBIA)                                    5.125     02/15/2021     7,535,000       7,064,213 
  New York State Dormitory Authority Revenue, State 
    University Educational Facilities, Refunding, Series B    7.500     05/15/2011    10,500,000      12,274,815 
  New York State Dormitory Authority Revenue, State 
    University Educational Facilities, Series B (FGIC)        5.250     05/15/2013     9,500,000       8,947,385 
  New York State Dormitory Authority Revenue, State 
    University Educational Facilities, Series B               5.250     05/15/2019     3,850,000       3,535,956 
  New York State Dormitory Authority Revenue, State 
    University Educational Facilities, Series C               7.375     05/15/2010     1,100,000       1,267,805 
  New York State Energy Research and Development 
    Authority, Consolidated Edison Project                    7.750     01/01/2024     7,400,000       7,721,678 
  New York State Energy Research and Development 
    Authority, Gas Facilities Revenue, Brooklyn Union Gas 
    Company Project, Series A                                 5.500     01/01/2021     1,000,000         977,880 
  New York State Environmental Facilities Corporation, 
    State Water Pollution Control (New York City Water 
    Finance Authority) Series E                               6.875     06/15/2010     5,000,000       5,489,450 
  New York State Local Government Assistance Corporation, 
    Series C                                                  5.500     04/01/2017     2,000,000       1,997,220 
  New York State Local Government Assistance Corporation, 
    Series D                                                  6.750     04/01/2021       900,000       1,005,462 
  New York State Medical Care Facilities, Finance Agency 
    Revenue (AMBAC)                                           6.375     11/15/2019     2,255,000       2,388,947 
  New York State Medical Care Facilities, Finance Agency 
    Revenue (FGIC)                                            6.375     08/15/2014     2,900,000       3,072,463 
  New York State Medical Care Facilities, Finance Agency 
    Revenue, Health Center Projects, Series A                 6.375     11/15/2019     1,250,000       1,311,275 

<PAGE> 

PAGE 17 
- -------------------- 


SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
NEW YORK (continued) 
  New York State Medical Care Facilities, Finance Agency 
    Revenue, New York Hospital, Series A                       6.750%   08/15/2014   $ 2,000,000     $ 2,194,560 
  New York State Medical Care Facilities, Finance Agency 
    Revenue, Series A                                          7.700    02/15/2009     5,300,000       5,986,880 
  New York State Mortgage Agency, Homeowner Mortgage, 
    Series 27                                                  6.900    04/01/2015     4,500,000       4,792,545 
  New York State Mortgage Agency, Series A                     6.875    04/01/2017     1,565,000       1,580,321 
  New York State Power Authority Revenue and General 
    Purpose Revenue                                            7.000    01/01/2018     1,125,000       1,301,479 
  New York State Urban Development Corporation Revenue, 
    Correctional Capital Facilities, Series 6                  5.375    01/01/2025     4,690,000       4,289,005 
  New York State Urban Development Corporation Revenue, 
    Correctional Facilities, Refunding, Series A               6.500    01/01/2010    15,920,000      17,052,549 
  New York State Urban Development Corporation Revenue, 
    Correctional Facilities, Series A                          6.500    01/01/2009       575,000         618,821 
  New York State Urban Development Corporation Revenue, 
    Correctional Facilities, Series A                          7.500    04/01/2011     9,500,000      10,764,165 
  New York, New York, Unrefunded Balance, Series A             7.750    08/15/2015       270,000         300,375 
  Niagara Falls, New York, Public Improvement (MBIA)           7.500    03/01/2014       300,000         369,879 
  Port Authority, New York and New Jersey, Consolidated 
    104th Series (AMBAC)                                       4.750    01/15/2026     3,000,000       2,632,500 
  Port Authority, New York and New Jersey, Special 
    Obligation Revenue                                         6.750    10/01/2011     4,500,000       4,641,120 
  Triborough Bridge and Tunnel Authority, New York, 
    General Purpose, Series X                                  6.625    01/01/2012    12,750,000      14,565,855 
OHIO 
  Adams County, Ohio Valley Local School District              7.000    12/01/2015     2,000,000       2,378,960 
  Cleveland, Ohio, Parking Facilities Revenue (MBIA)           5.500    09/15/2022     7,430,000       7,369,446 
  Cleveland, Ohio, Public Power Systems, First Mortgage, 
    Series A (MBIA)                                            7.000    11/15/2016     7,000,000       8,070,370 
  Cleveland, Ohio, Public Power Systems, First Mortgage, 
    Series A (MBIA)                                            7.000    11/15/2024     1,000,000       1,163,470 
  Columbus, Ohio, General Obligation                          12.375    02/15/2006     1,285,000       1,963,313 
  Montgomery County, Ohio, Hospital Revenue, Kettering 
    Medical Center (MBIA)                                      6.250    04/01/2020     1,500,000       1,642,440 
  Ohio State Building Authority, State Facilities, Adult 
    Correctional, Series A (AMBAC)                             5.500    04/01/2016     2,000,000       1,998,960 
  Ohio State Higher Educational Facility Commission (MBIA)     6.125    11/15/2017     1,000,000       1,055,870 
  Ohio State Housing Finance Agency, Single Family 
    Mortgage Revenue, Series C (GNMA)                          9.000    09/01/2018    10,000,000      11,120,500 
  Ohio State Turnpike Commission, Turnpike Revenue, 
    Series A (MBIA)                                            5.500    02/15/2026     5,000,000       4,914,950 
  Ohio State Water Development Authority (AMBAC)               9.375    12/01/2018        30,000          30,975 
OKLAHOMA 
  Oklahoma State Industrial Authority, Baptist Medical 
    Center                                                     7.000    08/15/2014     2,250,000       2,493,495 
OREGON 
  Oregon Health Sciences University, Revenue Bonds, 
    Series A                                                   5.250    07/01/2025     5,000,000       4,671,900 
  Western Generation Agency, Oregon, Wauna Cogeneration 
    Project, Series B (c)                                      7.400    01/01/2016     3,300,000       3,447,213 

                                                                                            (continued on next page)
<PAGE> 

PAGE 18 
- -------------------- 
Keystone Tax Free Fund

SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
PENNSYLVANIA 
  Allegheny County, Pennsylvania, Sewer Revenue Refunding 
    (FGIC) (effective yield 6.10%) (b)                        0.000%    06/01/2015    $2,500,000     $  866,700 
  Beaver County, Pennsylvania, Industrial Development 
    Authority, Ohio Edison Project, Series A                  7.750     09/01/2024        80,000         83,880 
  Beaver County, Pennsylvania, Ohio Edison (FGIC)             7.000     06/01/2021     4,390,000      4,736,371 
  Delaware County, Pennsylvania, Hospital Revenue, Crozier 
    Chester Medical Center (Pre-refunded)                     7.500     12/15/2020     2,545,000      2,875,366 
  Delaware County, Pennsylvania, Industrial Development 
    Authority                                                 7.375     04/01/2021       500,000        542,225 
  Delaware County, Pennsylvania, Industrial Development 
    Authority, Resource Recovery Project, Series A (LOC 
    Security Pacific)                                         8.100     12/01/2013     7,500,000      7,843,575 
  Lebanon County, Pennsylvania, Good Samaritan Hospital 
    Authority, Project Revenue                                6.000     11/15/2018     2,000,000      1,956,640 
  McKeesport, Pennsylvania, Hospital Authority Revenue, 
    McKeesport Hospital                                       6.500     07/01/2008       875,000        877,380 
  Montgomery County, Pennsylvania, Industrial Development 
    and Pollution Control, Philadelphia Electric Company      7.600     04/01/2021       900,000        965,151 
  North Penn, Pennsylvania, Water Authority (FGIC)            6.875     11/01/2019     2,500,000      2,860,700 
  Pennsylvania Economic Development Financing Authority, 
    Resources Recovery, Northampton Project (c)               6.400     01/01/2009     9,500,000      9,405,570 
  Pennsylvania Economic Development Financing Authority, 
    Resources Recovery, Northampton Project (c)               6.500     01/01/2013     4,000,000      3,954,680 
  Pennsylvania Economic Development Financing Authority, 
    Resources Recovery, Northampton Project (c)               6.600     01/01/2019     3,800,000      3,751,322 
  Pennsylvania Housing Finance Agency, Multi-Family, 
    Section 8                                                 8.200     07/01/2024     8,000,000      8,547,120 
  Pennsylvania Housing Finance Agency, Residential 
    Development, Section 8, Series A                          7.600     07/01/2013     5,545,000      5,936,532 
  Pennsylvania Housing Finance Agency, Single Family 
    Mortgage, Series P                                        8.000     04/01/2016     3,000,000      3,081,390 
  Pennsylvania Housing Finance Agency, Single Family 
    Mortgage, Series T                                        7.750     10/01/2009     4,000,000      4,185,920 
  Pennsylvania Housing Finance Agency, Single Family 
    Mortgage, Series V                                        7.800     04/01/2016     3,950,000      4,097,177 
  Pennsylvania Intergovernmental Cooperative Authority, 
    Philadelphia Funding (FGIC)                               6.750     06/15/2021     1,910,000      2,158,854 
  Pennsylvania State Higher Educational Facilities 
    Authority, Allegheny General Hospital, Series A           7.125     09/01/2007     4,000,000      4,355,040 
  Pennsylvania State Higher Educational Facilities 
    Authority, Thomas Jefferson University, Series A          6.625     08/15/2009       150,000        163,605 
  Pennsylvania State Industrial Development Authority         7.000     01/01/2006       500,000        573,780 
  Philadelphia, Pennsylvania, Hospital and Higher 
    Education Facilities, Albert Einstein Medical Center      7.625     04/01/2011     2,350,000      2,490,459 
  Philadelphia, Pennsylvania, Hospital and Higher 
    Education Facilities, Albert Einstein Medical Center      7.000     10/01/2021     3,000,000      3,181,260 
  Philadelphia, Pennsylvania, Hospital and Higher 
    Education Facilities, Community College, Series B 
    (MBIA)                                                    6.500     05/01/2007       280,000        309,117 

<PAGE> 

PAGE 19 
- -------------------- 


SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
PENNSYLVANIA (continued) 
  Philadelphia, Pennsylvania, Municipal Development 
    Authority, Criminal Justice Center, Series A (MBIA)        7.100%   11/15/2006   $ 4,095,000     $ 4,575,466 
  Philadelphia, Pennsylvania, Water and Wastewater, Linked 
    Bull/Bear Forward BPO (FGIC) (d)                          10.000    06/15/2005    10,000,000      13,293,600 
  Philadelphia, Pennsylvania, Water and Wastewater (MBIA)      6.250    08/01/2012     1,750,000       1,906,887 
  Pittsburgh, Pennsylvania, Urban Redevelopment Authority, 
    Multi-Family Housing Mortgage, 1985 Series A               9.250    12/01/2027     3,175,000       3,307,842 
  Sayre, Pennsylvania, Health Care Facilities Authority, 
    Guthrie Healthcare, Series A                               7.100    03/01/2017     6,350,000       6,849,872 
  Westmoreland County, Pennsylvania, Municipal Authority, 
    Capital Appreciation, Series C (effective yield 5.69%) 
    (b)                                                        0.000    08/15/2015     5,000,000       1,738,050 
PUERTO RICO 
  Puerto Rico Commonwealth Aquaduct and Sewer Authority 
    Revenue Bond                                               5.000    07/01/2019     6,000,000       5,463,780 
  Puerto Rico Commonwealth Highway and Transportation 
    Authority Revenue, Series Y (FSA)                          5.250    07/01/2015       500,000         487,810 
  Puerto Rico Commonwealth, General Obligation, Linked BPO 
    (MBIA) (d)                                                 7.000    07/01/2010    13,300,000      15,519,105 
  Puerto Rico Commonwealth, General Obligation, Linked BPO 
    (AMBAC) (d)                                                7.000    07/01/2010     5,000,000       5,834,250 
  Puerto Rico Commonwealth, General Obligation, Refunding      6.450    07/01/2017     3,000,000       3,206,790 
  Puerto Rico Electric Power Authority, Refunding, 
    Series S                                                   7.000    07/01/2007     2,000,000       2,270,040 
  Puerto Rico Electric Power Authority, Series Y (MBIA)        6.500    07/01/2006     4,000,000       4,509,760 
  Puerto Rico Industrial, Tourist, Educational, Medical, 
    Environmental Control Facilities Finance Authority 
    (MBIA)                                                     6.250    07/01/2024     1,500,000       1,578,945 
  Puerto Rico Industrial, Tourist, Educational, Medical, 
    Environmental Control Facilities Finance Authority         5.500    08/01/2024     1,000,000         879,320 
  Puerto Rico Public Buildings Authority, Guaranteed 
    Public Education 
    and Health Facilities, Series M                            5.700    07/01/2009     1,800,000       1,857,888 
  Puerto Rico Public Buildings Authority, Guaranteed 
    Public Education and Health Facilities, Series M, Step 
    Bond (effective yield 5.74%) (b)                           3.750    07/01/2016     6,250,000       5,779,875 
RHODE ISLAND 
  Rhode Island State Health and Educational Building 
    Corporation, Hospital Financing Revenue, Roger 
    Williams General Hospital                                  9.500    07/01/2016     5,710,000       5,819,575 
SOUTH CAROLINA 
  South Carolina State Ports Authority, Ports Revenue 
    (AMBAC)                                                    6.750    07/01/2021     9,000,000       9,604,980 
  South Carolina State Public Services Authority, Fixed 
    Option Bonds (MBIA)                                        5.342    06/30/2006    10,400,000      10,508,160 
TENNESSEE 
  Bristol, Tennessee, Health and Education Authority, 
    Bristol Memorial Hospital (FGIC)                           6.750    09/01/2010     4,200,000       4,820,676 
  Knox County, Tennessee, Health and Educational 
    Facilities, Fort Sanders Hospital Alliance, Series B 
    (MBIA)                                                     7.250    01/01/2010     7,000,000       8,253,630 
  Knox County, Tennessee, Health and Educational 
    Facilities, Fort Sanders Hospital Alliance, Series C 
    (MBIA)                                                     5.250    01/01/2015     3,500,000       3,373,195 

                                                                                            (continued on next page)
<PAGE> 

PAGE 20 
- -------------------- 
Keystone Tax Free Fund

SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
TENNESSEE (continued) 
  Metro Government, Nashville & Davidson Counties, 
    Tennessee, Step Bond (FGIC) (effective yield 4.26%) 
    (b)                                                       0.000%    01/01/2012   $ 9,000,000     $ 9,716,220 
  Tennessee Housing Development Authority, Home Ownership 
    Program, Issue H                                          7.825     07/01/2015     5,655,000       5,782,860 
TEXAS 
  Alliance Airport Authority Income, Texas, Federal 
    Express Corporation Project                               6.375     04/01/2021    14,500,000      14,525,375 
  Austin, Texas, Utility Systems Capital Appreciation 
    (AMBAC) (effective yield 6.80%) (b)                       0.000     11/15/2011    12,000,000       5,221,200 
  Bexar, Texas, Metropolitan Water District Waterworks 
    Systems, Prerefunded (AMBAC)                              6.625     05/01/2014     1,825,000       2,026,133 
  Bexar, Texas, Metropolitan Water District Waterworks 
    Systems, Unrefunded Balance (AMBAC)                       6.625     05/01/2014        25,000          26,839 
  Brazos River Authority, Texas Revenue Refunding, Houston 
    Light and Power Company, Project C                        8.100     05/01/2019     8,500,000       9,061,935 
  Brownsville, Texas, Utility System Revenue (MBIA)           6.250     09/01/2014     2,400,000       2,632,848 
  Cypress-Fairbanks, Texas, Independent School District, 
    Capital Appreciation, Series A (effective yield 6.03%) 
    (b)                                                       0.000     02/15/2013     6,675,000       2,707,981 
  Fort Bend County, Texas, Levee Improvement (MBIA)           6.900     09/01/2020     1,165,000       1,277,224 
  Fort Bend County, Texas, Levee Improvement District # 11 
    (MBIA)                                                    6.900     09/01/2018     1,245,000       1,364,931 
  Fort Bend County, Texas, Levee Improvement District # 11 
    (MBIA)                                                    6.900     09/01/2019     1,000,000       1,093,040 
  Harris County, Texas, Flood Control District (effective 
    yield 7.20%) (b)                                          0.000     10/01/2006     7,000,000       3,798,200 
  Harris County, Texas, Health Facilities Development 
    Corporation                                               6.600     06/01/2014     5,000,000       5,225,900 
  Harris County, Texas, Health Facilities Development 
    Corporation, Hermann Hospital Project (MBIA)              6.375     10/01/2017     2,480,000       2,623,344 
  Harris County, Texas, Health Facilities, Memorial 
    Hospital System                                           7.125     06/01/2015     2,525,000       2,714,956 
  Harris County, Texas, Senior Lien, Toll Road, Series A 
    (MBIA)                                                    6.375     08/15/2024     4,000,000       4,307,080 
  Harris County, Texas, Toll Road                             7.000     08/15/2010     3,000,000       3,504,660 
  Houston, Texas, Airport System Revenue, Senior Lien         8.200     07/01/2017     4,565,000       4,885,189 
  Houston, Texas, General Obligation                          7.000     03/01/2008    15,000,000      17,460,000 
  Houston, Texas, Hotel Occupancy Tax, Refunding, Senior 
    Lien, Revenue Bonds                                       5.500     07/01/2015     3,000,000       2,982,420 
  Houston, Texas, Water and Sewer System Revenue, 
    Refunding, Junior Lien, Series C (effective yield 
    6.85%) (b)                                                0.000     12/01/2010     2,700,000       1,257,930 
  Houston, Texas, Water and Sewer System Revenue, Series C 
    (effective yield 6.90%) (b)                               0.000     12/01/2011    13,000,000       5,699,980 
  Lower Colorado River Authority, Texas, Series B (AMBAC) 
    (effective yield 7.05%) (b)                               0.000     01/01/2005     2,135,000       1,436,492 
  Northwest Texas, Independent School District, Capital 
    Appreciation (AMBAC) (effective yield 7.28%) (b)          0.000     08/15/2010     3,690,000       1,744,853 
  Rio Grande Valley, Texas, Health Facilities Corporation, 
    Hospital Revenue, Baptist Medical Center Project 
    (MBIA)                                                    8.000     08/01/2017     1,085,000       1,159,355 

<PAGE> 

PAGE 21 
- -------------------- 


SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
TEXAS (continued) 
  Tarrant County, Texas, Health Facilities Development 
    Revenue, Harris Methodist Health System, Series A 
    (AMBAC)                                                    5.125%   09/01/2018   $ 5,000,000     $ 4,638,300 
  Tarrant County, Texas, Housing Finance Corporation, 
    Series A (MBIA) (effective yield 11.00%) (b)               0.000    09/15/2016     6,415,000       2,010,397 
  Texas Housing Agency, Residential Development, Series D      8.400    01/01/2021     4,085,000       4,260,369 
  Texas Housing Agency, Single Family Mortgage                 8.200    03/01/2016     2,525,000       2,590,423 
  Texas Municipal Power Agency, Capital Appreciation 
    (effective yield 9.62%) (b)                                0.000    09/01/2008     4,500,000       2,426,670 
  Texas Municipal Power Agency (effective yield 9.13%) (b)     0.000    09/01/2006     4,455,000       2,721,426 
  Texas Municipal Power Agency, Refunding Bonds (MBIA)         5.250    09/01/2012       175,000         170,933 
  Texas Municipal Power Agency, Revenue Bonds                  6.100    09/01/2009       130,000         140,574 
  Texas State, Linked RIBs/SAVRs (d)                           6.200    09/30/2011     5,000,000       5,377,350 
  Titus County, Texas, Water District #1, Southwest 
    Electric Power                                             8.200    08/01/2011     9,000,000      10,296,090 
  Tomball, Texas, Hospital Authority, Tomball Regional 
    Hospital                                                   6.125    07/01/2023    11,000,000      10,698,270 
  University of Texas, University Revenues, Prerefunded 
    Balance, Series B                                          6.750    08/15/2013       705,000         781,796 
  University of Texas, University Revenues, Unrefunded 
    Balance, Series B                                          6.750    08/15/2013     1,475,000       1,604,240 
  Waller, Texas, General Obligation, Independent School 
    District                                                   5.250    02/15/2021     3,450,000       3,278,086 
UTAH 
  Intermountain Power Agency, Utah, Power Supply, Series B    10.375    07/01/2011     3,000,000       3,593,820 
  Intermountain Power Agency, Utah, Power Supply, Series C 
    (effective yield 21.29%) (b)                               0.000    07/01/2020     6,500,000       1,033,240 
  Intermountain Power Agency, Utah, Power Supply, Series D     8.375    07/01/2012     3,020,000       3,151,189 
  Intermountain Power Agency, Utah, Power Supply, 
    Series G, Step Bond (effective yield 7.65%) (b)            0.000    07/01/2012    24,350,000      24,311,040 
  Murray City, Utah, Hospital Revenue, Health Services 
    Incorporated (MBIA)                                        4.750    05/15/2020     4,145,000       3,605,611 
  Utah State Housing Finance Agency, Single Family 
    Mortgage, Series C 2                                       7.950    07/01/2010       325,000         344,058 
VERMONT 
  Vermont Housing Finance Agency, Single Family, Series 1      8.150    05/01/2025     1,485,000       1,566,526 
VIRGINIA 
  Fairfax County, Virginia, Industrial Development 
    Authority                                                  5.000    08/15/2023     9,355,000       8,463,375 
  Fredericksburg, Virginia, Industrial Development 
    Authority, Hospital Facilities Revenue, Medicorp 
    Health System Obligation (AMBAC)                           5.250    06/15/2023     3,500,000       3,309,075 
  Hampton Roads, Virginia, Regional Jail Authority, 
    Regional Jail Facilities Revenue, Series A (MBIA)          5.625    07/01/2016     5,850,000       5,904,288 
  Pittsylvania County, Virginia, Industrial Development 
    Authority, Series A (c)                                    7.450    01/01/2009     2,000,000       2,089,560 
  Virginia State Housing Development Authority, 
    Residential Mortgage, Series B (effective yield 
    10.62%) (b)                                                0.000    09/01/2014       790,000         126,866 
  Virginia State Transportation Board Revenue, North 
    Virginia Transportation District, Series A                 5.125    05/15/2016     2,600,000       2,493,270 
  Winchester, Virginia, Industrial Development Hospital 
    Revenue, Winchester Medical Center (AMBAC)                 6.150    01/01/2015     2,300,000       2,170,303 

                                                                                            (continued on next page)
<PAGE> 

PAGE 22 
- -------------------- 
Keystone Tax Free Fund

SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
VIRGINIA (continued) 
  Winchester, Virginia, Industrial Development Hospital 
    Revenue, Winchester Medical Center (AMBAC)                6.300%    01/01/2015   $ 3,200,000   $    3,033,024 
WASHINGTON 
  Tacoma, Washington, Electric Systems Revenue, Linked 
    RIBs/SAVRs (AMBAC) (d)                                    6.514     01/02/2015    12,000,000       12,747,480 
  Washington Public Power Supply System, Nuclear Project 
    #3 (effective yield 10.09%) (b)                           0.000     07/01/2012     4,000,000        1,642,680 
  Washington State General Obligation, Series A               5.375     07/01/2021    10,000,000        9,664,000 
  Washington State General Obligation, Series B               5.500     05/01/2018    14,000,000       13,946,240 
  Washington State Health Care Facilities Authority, 
    Multi-Care Medical Center of Tacoma (FGIC)                7.875     08/15/2011     1,300,000        1,393,132 
WISCONSIN 
  Wisconsin Health and Education Facilities Authority, 
    Bellin Memorial Hospital, Incorporated (Pre-refunded)     7.625     04/01/2019     5,000,000        5,452,500 
  Wisconsin Housing and Economic Development Authority, 
    Home Ownership                                            8.000     03/01/2021     1,195,000        1,248,883 
  Wisconsin State, General Obligation, Series 2               5.125     11/01/2011     5,000,000        4,938,500 
WYOMING 
  Wyoming Community Development Authority, Housing 
    Revenue, Series 5                                         6.250     06/01/2027    10,000,000       10,021,300 
  Wyoming Community Development Authority, Single Family 
    Mortgage, Series B                                        8.125     06/01/2021     2,610,000        2,737,759 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
TOTAL MUNICIPAL BONDS (Cost--$1,448,532,894)                                                        1,527,775,935 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
TEMPORARY TAX-EXEMPT INVESTMENTS (1.0%) 
  California Health Facilities Financing Authority 
    Revenue, St. Joseph Health, Series A (a)                  5.000     07/01/2013       295,000          295,000 
  Dade County, Florida, Water & Sewer System Revenue 
    (FGIC) (a)                                                4.000     10/05/2022     2,235,000        2,235,000 
  Los Angeles County, California, Pension, Series C (a)       3.900     06/30/2007       975,000          975,000 
  Massachusetts State Health and Educational Facilities 
    Authority Revenue, Capital Assets Program, Series D 
    (MBIA) (a)                                                4.900     01/01/2035     2,240,000        2,240,000 
  Missouri State Health and Educational Facilities 
    Authority Revenue, Christian Health Services, Series B 
    (a)                                                       4.050     12/01/2019     1,635,000        1,635,000 
  New York City, New York, General Obligation, Series B, 
    Subseries B3 (a)                                          5.000     08/15/2004       160,000          160,000 
  New York City, New York, General Obligation, Subseries 
    A8 (a)                                                    5.000     06/15/2024         5,000            5,000 
  Peninsula Ports Authority, Virginia, Ports Authority 
    Revenue (a)                                               5.000     12/01/2005     2,000,000        2,000,000 
  Perry County, Mississippi, Pollution Control Revenue, 
    Leaf River Forest Project (a)                             5.000     03/01/2002     2,000,000        2,000,000 
  Sayre, Pennsylvania, Health Care Facilities Authority 
    Revenue, Series K (AMBAC) (a)                             4.000     12/01/2020     1,495,000        1,495,000 
  Uinta County, Wyoming, Pollution Control Revenue, 
    Chevron USA Incorporated Project (a)                      5.000     08/15/2020     1,000,000        1,000,000 

<PAGE> 

PAGE 23 
- --------------------


SCHEDULE OF INVESTMENTS--December 31, 1996 

                                                              Coupon     Maturity     Principal        Market 
                                                               Rate        Date         Amount          Value 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
TEMPORARY TAX-EXEMPT INVESTMENTS (continued) 
  Washington State Health Care Facilities Authority 
    Revenue, Sisters of Providence, Series D (a)              5.000%    10/01/2005     $850,000    $      850,000 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
TOTAL TEMPORARY TAX-EXEMPT INVESTMENTS (Cost--$14,890,000)                                             14,890,000 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
TOTAL INVESTMENTS (Cost--$1,463,422,894) (e)                                                        1,542,665,935 
OTHER ASSETS AND LIABILITIES--NET (1.0%)                                                               15,219,857 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
NET ASSETS (100.0%)                                                                                $1,557,885,792 
- ----------------------------------------------------------    ------    ----------    ----------   -------------- 
</TABLE>

(a) Security is a variable or floating rate instrument with periodic demand 
    features. The Fund is entitled to full payment of principal and accrued 
    interest upon surrendering the security to the issuing agent. 
(b) Effective yield (calculated at date of purchase) is the annual yield at 
    which the bond accretes until its maturity date. 
(c) Securities that may be resold to "qualified institutional buyers" under 
    Rule 144A or securities offered pursuant to Section 4(2) of the 
    Securities Act of 1933, as mended. These securities have been determined 
    to be liquid under guidelines established by the Board of Trustees. 
(d) At the discretion of the portfolio manager, these securities may be 
    separated into securities with interest or principal payments that are 
    linked to another rate or index and therefore would be considered 
    derivative securities (see Note 1). 
(e) The cost of investments for federal income tax purposes amounted to 
    $1,463,520,567. Gross unrealized appreciation and unrealized depreciation 
    of investments, based on identified tax cost, at December 31, 1996 are as 
    follows: 

Gross unrealized appreciation      $86,747,523 
Gross unrealized depreciation       (7,602,155) 
                                  ------------- 
Net unrealized appreciation        $79,145,368 
                                  ------------- 

Legend of Portfolio Abbreviations: 
AMBAC--American Municipal Bond Assurance Corp. 
ETM--Escrowed to Maturity 
FGIC--Federal Guaranty Insurance Co. 
FSA--Financial Security Assurance 
GNMA--Government National Mortgage Association 
LOC--Line of Credit 
MBIA--Municipal Bond Investors Assurance Corp. 
BPO--Bond Payment Obligation 
SAVRs--Select Auction Variable Rate Securities 
RIBs--Residual Interest Bonds 
ACES--Auction Rate Securities 

See Notes to Financial Statements. 

<PAGE> 

PAGE 24 
- -------------------- 
Keystone Tax Free Fund 

FINANCIAL HIGHLIGHTS 
(For a share outstanding throughout each year) 

<TABLE>
<CAPTION>
                                                               Year Ended December 31, 
                                       1996         1995         1994         1993         1992          1991 
 ================================    =========    =========    =========    =========    =========   =========== 
<S>                                 <C>          <C>          <C>          <C>          <C>           <C>        
Net asset value beginning of 
  year                              $     7.86   $     7.10   $     8.12   $     8.04   $     8.07    $     7.90 
 --------------------------------      -------      -------      -------      -------      -------     --------- 
Income from investment 
  operations: 
Net investment income                     0.41         0.41         0.37         0.39         0.46          0.46 
Net realized and unrealized gain 
  (loss) on investments and 
  closed futures contracts               (0.17)        0.74        (0.96)        0.48         0.12          0.36 
 --------------------------------      -------      -------      -------      -------      -------     --------- 
Total from investment operations          0.24         1.15        (0.59)        0.87         0.58          0.82 
 --------------------------------      -------      -------      -------      -------      -------     --------- 
Less distributions from: 
Net investment income                    (0.39)       (0.39)       (0.37)       (0.39)       (0.46)        (0.46) 
In excess of net investment 
  income                                  0.00         0.00        (0.06)       (0.06)       (0.04)        (0.07) 
Net realized gain on investments          0.00         0.00         0.00        (0.33)       (0.11)        (0.12) 
In excess of net realized gain 
  on investments                          0.00         0.00         0.00        (0.01)        0.00          0.00 
 --------------------------------      -------      -------      -------      -------      -------     --------- 
Total distributions                      (0.39)       (0.39)       (0.43)       (0.79)       (0.61)        (0.65) 
 --------------------------------      -------      -------      -------      -------      -------     --------- 
Net asset value end of year         $     7.71   $     7.86   $     7.10   $     8.12   $     8.04    $     8.07 
 ================================      =======      =======      =======      =======      =======     ========= 
Total Return (b)                          3.15%       16.61%       (7.34%)      11.15%        7.55%        10.80% 
 ================================      =======      =======      =======      =======      =======     ========= 
Ratios/supplemental data 
Ratios to average net assets: 
 Total expenses                           0.87%(c)     0.95%(c)     1.55%        1.66%        1.38%         1.75% 
 Net investment income                    5.34%        5.41%        4.92%        4.72%        5.71%         5.78% 
Portfolio turnover rate                     69%          56%          84%          76%          78%           77% 
 --------------------------------      -------      -------      -------      -------      -------     --------- 
Net assets end of year 
  (thousands)                       $1,557,886   $1,204,468   $1,197,727   $1,548,503   $1,453,199    $1,146,185 
 ================================      =======      =======      =======      =======      =======     ========= 
</TABLE>

<TABLE>
<CAPTION>
                                                  Year Ended December 31, 
                                     1990 (a)       1989         1988          1987 
 ================================    =========    =========    =========   =========== 
<S>                                 <C>           <C>          <C>           <C>
Net asset value beginning of 
  year                              $     8.06    $   8.18     $   8.09      $   8.85 
 --------------------------------      -------      -------      -------     --------- 
Income from investment 
  operations: 
Net investment income                     0.52        0.57         0.55          0.56 
Net realized and unrealized gain 
  (loss) on investments and 
  closed futures contracts               (0.01)       0.15         0.30         (0.58) 
 --------------------------------      -------      -------      -------     --------- 
Total from investment operations          0.51        0.72         0.85         (0.02) 
 --------------------------------      -------      -------      -------     --------- 
Less distributions from: 
Net investment income                    (0.52)      (0.60)       (0.63)        (0.64) 
In excess of net investment 
  income                                 (0.03)       0.00         0.00          0.00 
Net realized gain on investments         (0.12)      (0.24)       (0.13)        (0.10) 
In excess of net realized gain 
  on investments                          0.00        0.00         0.00          0.00 
 --------------------------------      -------      -------      -------     --------- 
Total distributions                      (0.67)      (0.84)       (0.76)        (0.74) 
 --------------------------------      -------      -------      -------     --------- 
Net asset value end of year         $     7.90    $   8.06     $   8.18      $   8.09 
 ================================      =======      =======      =======     ========= 
Total Return (b)                          6.66%       9.11%       10.89%        (0.14%) 
 ================================      =======      =======      =======     ========= 
Ratios/supplemental data 
Ratios to average net assets: 
 Total expenses                           1.18%       1.23%        1.79%         1.70% 
 Net investment income                    6.54%       6.94%        6.74%         6.80% 
Portfolio turnover rate                     64%         69%          61%           43% 
 --------------------------------      -------      -------      -------     --------- 
Net assets end of year 
  (thousands)                       $1,060,826    $901,912     $903,132      $894,768 
 ================================      =======      =======      =======     ========= 
</TABLE>

(a) Calculation based on average shares outstanding. 

(b) Excluding applicable sales charges. 

(c) Ratio of total expenses to average net assets includes indirectly paid 
    expenses. Excluding indirectly paid expenses, the expense ratio would 
    have been 0.86% and 0.94% for the years ended December 31, 1996 and 1995, 
    respectively. 

See Notes to Financial Statements. 

<PAGE> 

PAGE 25 
- -------------------- 

STATEMENT OF ASSETS AND LIABILITIES 
December 31, 1996 

Assets (Note 2) 
  Investments at market value 
    (identified cost--$1,463,422,894)                  $1,542,665,935 
  Receivable for: 
   Investments sold                                         3,000,875 
   Fund shares sold                                           161,661 
   Interest                                                25,970,285 
  Other assets                                                166,675 
- -------------------------------------------------        ---------- 
    Total assets                                        1,571,965,431 
- -------------------------------------------------        ---------- 
Liabilities (Note 2) 
  Payable for: 
   Investments purchased                                    4,919,751 
   Fund shares redeemed                                     2,049,565 
   Distributions to shareholders                            6,333,173 
  Accrued Trustees' fees and expenses                           3,006 
  Other accrued expenses                                      774,144 
- -------------------------------------------------        ---------- 
    Total liabilities                                      14,079,639 
- -------------------------------------------------        ---------- 
Net assets                                             $1,557,885,792 
- -------------------------------------------------        ---------- 
Net assets represented by 
  Paid-in capital                                      $1,489,589,329 
  Undistributed net investment income                       2,957,507 
  Accumulated net realized loss on investments and 
    closed futures contracts                              (13,904,085) 
  Net unrealized appreciation on investments               79,243,041 
- -------------------------------------------------        ---------- 
    Total net assets                                   $1,557,885,792 
- -------------------------------------------------        ---------- 
Net asset value per share (Note 2) 
  Net asset value of $1,557,885,792 / 201,937,602 
    outstanding shares of beneficial interest          $         7.71 
=================================================        ========== 



STATEMENT OF OPERATIONS 
Year Ended December 31, 1996 

Investment income 
  Interest                                                 $ 97,670,668 
- ------------------------------------       ---------        ---------- 
Expenses (Notes 4, 5 and 6) 
  Investment management fee               $  6,642,609 
  Distribution Plan expenses                 4,706,968 
  Transfer agent fees                        1,591,303 
  Other administrative service fees            666,547 
  Trustees' fees and expenses                   48,506 
  Reimburseable accounting expenses             19,501 
- ------------------------------------       ---------        ---------- 
   Total expenses                           13,675,434 
  Less: Expenses paid indirectly              (172,145) 
- ------------------------------------       ---------        ---------- 
  Net expenses                                               13,503,289 
- ------------------------------------       ---------        ---------- 
  Net investment income                                      84,167,379 
- ------------------------------------       ---------        ---------- 
Net realized and unrealized loss on 
 investments (Note 3) 
  Net realized gain on investments          15,476,735 
  Net change in unrealized 
    appreciation or depreciation on 
    investments (Note 7)                   (48,955,108) 
- ------------------------------------       ---------        ---------- 
  Net realized and unrealized loss on 
    investments                                             (33,478,373) 
- ------------------------------------       ---------        ---------- 
  Net increase in net assets resulting 
    from operations                                        $ 50,689,006 
====================================       =========        ========== 


See Notes to Financial Statements. 

<PAGE> 

PAGE 26 
- -------------------- 
Keystone Tax Free Fund 

STATEMENTS OF CHANGES IN NET ASSETS 

<TABLE>
<CAPTION>
                                                                                Year Ended December 31, 
                                                                               1996                1995 
=====================================================================   ================    ================== 
<S>                                                                       <C>                 <C>
Operations 
  Net investment income                                                   $   84,167,379      $   65,921,672 
  Net realized gain on investments and closed futures contracts               15,476,735           8,930,765 
  Net change in unrealized appreciation or depreciation on 
    investments                                                              (48,955,108)        113,250,664 
- -------------------------------------------------------------------        ------------        -------------- 
   Net increase in net assets resulting from operations                       50,689,006         188,103,101 
- -------------------------------------------------------------------        ------------        -------------- 
Distributions to shareholders from net investment income (Note 1)            (79,617,449)        (63,827,615) 
- -------------------------------------------------------------------        ------------        -------------- 
Capital share transactions (Notes 2 and 7) 
  Shares issued in connection with the acquisition of Keystone 
   Tax Exempt Trust                                                          658,278,376                   0 
  Proceeds from shares sold                                                  107,614,922         133,114,586 
  Payment for shares redeemed                                               (424,558,360)       (283,907,474) 
  Net asset value of shares issued in reinvestment of dividends and 
    distributions                                                             41,011,255          33,258,548 
- -------------------------------------------------------------------        ------------        -------------- 
  Net increase (decrease) in net assets resulting from capital share 
    transactions                                                             382,346,193        (117,534,340) 
- -------------------------------------------------------------------        ------------        -------------- 
   Total increase in net assets                                              353,417,750           6,741,146 
Net assets 
  Beginning of year                                                        1,204,468,042       1,197,726,896 
- -------------------------------------------------------------------        ------------        -------------- 
  End of year [including undistributed net investment income 
    (accumulated distributions in excess of net investment income) 
    as follows: 1996--$2,957,507 and 1995--($1,663,086)]                  $1,557,885,792      $1,204,468,042 
===================================================================        ============        ============== 
</TABLE>

See Notes to Financial Statements. 

<PAGE> 

PAGE 27 
- -------------------- 

NOTES TO FINANCIAL STATEMENTS 

1. Significant Accounting Policies 

Keystone Tax Free Fund (the "Fund") is a Massachusetts business trust for 
which Keystone Investment Management Company ("Keystone") is the Investment 
Adviser and Manager. Keystone was formerly a wholly-owned subsidiary of 
Keystone Investments, Inc. ("KII") and is currently a subsidiary of First 
Union Keystone, Inc. First Union Keystone, Inc. is a wholly-owned subsidiary 
of First Union National Bank of North Carolina which in turn is a 
wholly-owned subsidiary of First Union Corporation ("First Union"). The Fund 
is registered under the Investment Company Act of 1940, as amended (the "1940 
Act"), as a diversified, open-end investment company. The Fund's investment 
objective is to provide shareholders with the highest possible current 
income, exempt from federal income taxes, while preserving capital by 
investing in high quality municipal bonds. 

  The following is a summary of significant accounting policies consistently 
followed by the Fund in the preparation of its financial statements. The 
policies are in conformity with generally accepted accounting principles, 
which require management to make estimates and assumptions that affect 
amounts reported herein. Although actual results could differ from these 
estimates, any such differences are expected to be immaterial to the net 
assets of the Fund. 

A. Valuation of Securities 

Tax-exempt bonds are valued at prices provided by an independent pricing 
service. In determining value for normal institutional-size transactions, the 
pricing service uses methods based on market transactions for comparable 
securities and various relationships between securities which are generally 
recognized by institutional traders. Securities for which valuations are not 
available from an independent pricing service (including restricted 
securities) are valued at fair value as determined in good faith according to 
procedures established by the Board of Trustees. 

  Short-term investments with remaining maturities of 60 days or less are 
carried at amortized cost, which approximates market value. Short-term 
securities with greater than 60 days to maturity are valued at market value. 

B. Futures Contracts 

In order to gain exposure to or protect against changes in security values, 
the Fund may buy and sell futures contracts. 

  The initial margin deposited with a broker when entering into a futures 
transaction is subsequently adjusted by daily payments or receipts as the 
value of the contract changes. Such changes are recorded as unrealized gains 
or losses. Realized gains or losses are recognized on closing the contract. 

  Risks of entering into futures contracts include (i) the possibility of an 
illiquid market for the contract, (ii) the possibility that a change in the 
value of the contract may not correlate with changes in the value of the 
underlying instrument or index, and (iii) the credit risk that the other 
party will not fulfill their obligations under the contract. Futures 
contracts also involve elements of market risk in excess of the amount 
reflected in the statement of assets and liabilities. 

C. Derivative Securities 

The Fund may invest in derivative securities. A derivative security is any 
investment that derives its value from an underlying security, asset or 
market index. Greater market fluctuations may result if these securities are 
leveraged. The Fund invests in these 

<PAGE> 

PAGE 28 
- -------------------- 
Keystone Tax Free Fund 

types of securities as it is consistent with its investment objectives. 

D. Security Transactions and Investment Income 

Securities transactions are accounted for no later than one business day 
after the trade date. Realized gains and losses are computed on the 
identified cost basis. Interest income is recorded on the accrual basis and 
includes amortization of discounts and premiums. 

E. Federal Income Taxes 

The Fund has qualified and intends to qualify in the future as a regulated 
investment company under the Internal Revenue Code of 1986, as amended (the 
"Code"). Thus, the Fund is relieved of any federal income tax liability by 
distributing all of its net taxable investment income and net taxable capital 
gains, if any, to its shareholders. The Fund also intends to avoid excise tax 
liability by making the required distributions under the Code. Accordingly, 
no provision for federal income taxes is required. 

F. Distributions 

The Fund declares dividends from net investment income daily and distributes 
such dividends monthly. The Fund distributes net capital gains, if any, at 
least, annually. Distributions to shareholders are recorded at the close of 
business on the ex-dividend date. 

  Income and capital gains distributions to shareholders are determined in 
accordance with income tax regulations, which may differ from generally 
accepted accounting principles. These differences are primarily due to 
differing treatment of market discount on securities. 

2. Capital Share Transactions 

The Fund's Declaration of Trust authorizes the issuance of an unlimited 
number of shares of beneficial interest with no par value. Transactions in 
shares of the Fund were as follows: 

                                         Year ended December 31, 
                                          1996            1995 
 =================================    ============   ============== 
Shares issued in connection with 
  the acquisition of Keystone Tax 
  Exempt Trust (Note 7)                84,656,452          -0- 
Shares sold                            14,063,760       17,669,831 
Shares redeemed                       (55,439,349)     (37,618,182) 
Shares issued in reinvestment of 
dividends and distributions             5,361,695        4,437,352 
 ---------------------------------    ------------   -------------- 
Net increase (decrease)                48,642,558      (15,510,999) 
 =================================    ============   ============== 

3. Securities Transactions 

Cost of purchases and proceeds from sales of investment securities (excluding 
short-term securities and U.S. government securities) for the year ended 
December 31, 1996 were $1,379,241,478 and $1,041,052,842, respectively. 

  As of December 31, 1996, the Fund has a capital loss carryover for federal 
income tax purposes of approximately $13,723,000 which expires as follows: 
$10,370,000--2002 and $3,353,000--2003. 

4. Distribution Plans 

The Fund bears some of the costs of selling its shares under a Distribution 
Plan adopted pursuant to Rule 12b-1 under the 1940 Act. Under the 
Distribution Plan, the Fund pays its principal underwriter amounts which are 
calculated and paid monthly. 

  Prior to December 11, 1996, Evergreen Keystone Investment Services, Inc. 
(formerly, Keystone Investment Distributors Company) ("EKIS"), a wholly-owned 
subsidiary of Keystone, served as the Fund's principal underwriter. On 
December 11, 1996, the Fund entered into a principal underwriting agreement 
with Evergreen Keystone Distributor, Inc. (formerly, Evergreen Funds 
Distributor, Inc.) ("EKD"), a wholly-owned subsidiary of 

<PAGE> 

PAGE 29 
- -------------------- 

BISYS Group Inc. At that time, EKD replaced EKIS as the Fund's principal 
underwriter. 

  Under the Distribution Plan, the Fund pays a distribution fee which may not 
exceed 1.00% of the Fund's average daily net assets, of which 0.75% is used 
to pay distribution expenses and 0.25% may be used to pay shareholder service 
fees. 

  During the year ended December 31, 1996, the Fund received $696,350 in 
contingent deferred sales charges. Contingent deferred sales charges paid by 
redeeming shareholders may be paid to EKIS and/or EKD. 

  The Distribution Plan may be terminated at any time by vote of the 
Independent Trustees or by vote of a majority of the outstanding voting 
shares. However, after the termination of the Distribution Plan, and subject 
to the discretion of the Independent Trustees, payments to EKIS and/or EKD 
may continue as compensation for services which had been earned while the 
Distribution Plan was in effect. 

  EKD intends, but is not obligated, to continue to pay distribution costs 
that exceed the current annual payments from the Fund. EKD intends to seek 
full payment of such distribution costs from the Fund at such time in the 
future as, and to the extent that, payment thereof by the Fund would be 
within permitted limits. 

5. Investment Management Agreement and Other Affiliated Transactions 

Under an investment advisory agreement dated December 11, 1996, Keystone 
serves as the Investment Adviser and Manager to the Fund. Keystone provides 
the Fund with investment advisory and management services. In return, 
Keystone is paid a management fee, computed and paid daily, at an annual rate 
of 2.00% of the Fund's gross investment income plus an amount determined by 
applying percentage rates starting at 0.50% and declining as net assets 
increase to 0.25% per annum, to the average daily net asset value of the 
Fund. 

  Prior to December 11, 1996, Keystone Management, Inc. ("KMI"), a 
wholly-owned subsidiary of Keystone, served as Investment Manager to the Fund 
and provided investment management and administrative services. Under an 
investment advisory agreement between KMI and Keystone, Keystone served as 
the Investment Adviser and provided investment advisory and management 
services to the Fund. In return for its services, Keystone received an annual 
fee equal to 85% of the management fee received by KMI. 

  In providing or obtaining additional operating services, facilities and 
supplies to the Fund, KMI had incurred administrative expenses of $666,547 
which consisted of $533,237 for custodian fees, $18,769 for audit and legal 
and $114,541 for printing, registration, insurance and other miscellaneous 
expenses. KMI has been reimbursed for these expenses by the Fund. 

  During the year ended December 31, 1996, the Fund paid or accrued $19,501 to 
Keystone for certain accounting services. 

  Officers of the Fund and affiliated Trustees receive no compensation 
directly from the Fund. 

6. Expense Offset Arrangement 

The Fund has entered into an expense offset arrangement with its custodian. 
For the year ended December 31, 1996, the Fund incurred total custody fees of 
$533,237 and received a credit of $172,145 pursuant to this expense offset 
arrangement, resulting in a net custody expense of $361,092. The assets 
deposited with the custodian under this expense offset arrangement could have 
been invested in income-producing assets. 

7. Fund Reorganization 

On February 29, 1996, the Fund acquired the net assets of Keystone Tax Exempt 
Trust in exchange for 

<PAGE> 

PAGE 30 
- -------------------- 
Keystone Tax Free Fund 

shares of the Fund pursuant to a plan of reorganization approved by the 
shareholders of Keystone Tax Exempt Trust on February 29, 1996. The 
acquisition was accomplished by a tax-free exchange of shares of the Fund for 
the net assets of Keystone Tax Exempt Trust. The net assets of Keystone Tax 
Exempt Trust on that date, including $40,609,975 of unrealized appreciation 
on investments, were combined with the Fund. The aggregate net assets of the 
Fund and Tax Exempt Trust immediately before the acquisition were 
$1,142,691,716 and $658,278,376, respectively. The net assets of the Fund 
immediately after the acquisition were $1,800,970,092. 

<PAGE> 

PAGE 31 
- -------------------- 

INDEPENDENT AUDITORS' REPORT 

The Trustees and Shareholders 
Keystone Tax Free Fund 

We have audited the accompanying statement of assets and liabilities of 
Keystone Tax Free Fund, including the schedule of investments, as of December 
31, 1996, and the related statement of operations for the year then ended, 
the statements of changes in net assets for each of the years in the two-year 
period then ended and the financial highlights for each of the years in the 
ten-year period then ended. These financial statements and financial 
highlights are the responsibility of the Fund's management. Our 
responsibility is to express an opinion on these financial statements and 
financial highlights based on our audits. 

We conducted our audits in accordance with generally accepted auditing 
standards. Those standards require that we plan and perform the audit to 
obtain reasonable assurance about whether the financial statements and 
financial highlights are free of material misstatement. An audit includes 
examining, on a test basis, evidence supporting the amounts and disclosures 
in the financial statements. Our procedures included confirmation of 
securities owned as of December 31, 1996 by correspondence with the custodian 
and brokers. An audit also includes assessing the accounting principles used 
and significant estimates made by management, as well as evaluating the 
overall financial statement presentation. We believe that our audits provide 
a reasonable basis for our opinion. 

In our opinion, the financial statements and financial highlights referred to 
above present fairly, in all material respects, the financial position of 
Keystone Tax Free Fund, as of December 31, 1996 the results of its operations 
for the year then ended, the changes in its net assets for each of the years 
in the two-year period then ended, and the financial highlights for each of 
the years in the ten-year period then ended in conformity with generally 
accepted accounting principles. 

                                                         KPMG Peat Marwick LLP 

Boston, Massachusetts 
January 31, 1997 

<PAGE> 

PAGE 32 
- -------------------- 
Keystone Tax Free Fund 

FEDERAL TAX STATUS-FISCAL 1996 DISTRIBUTIONS 
(Unaudited) 

The per share distributions paid to you for fiscal 1996, whether taken in 
shares or cash, are as follows: 

     Income Dividends 
 Tax-exempt       Taxable 
- ------------    ----------- 
    $0.39          $0.00 
============    =========== 

In January 1997 complete information on calendar year 1996 distributions was 
forwarded to you to assist in completing your 1996 federal income tax return. 

<PAGE> 

PAGE 33 
- -------------------- 

Additional Information 
(Unaudited) 

Shareholders of the Fund considered and acted upon the proposals listed below 
at a special meeting of shareholders held Monday, December 9, 1996. In 
addition, next to each proposal are the results of that vote. 

1. To elect the following Trustees: 

                                Affirmative     Withheld 
============================     ===========   =========== 
Frederick Amling                144,022,770     4,053,136 
Laurence B. Ashkin              143,990,875     4,085,031 
Charles A. Austin III           144,085,020     3,990,886 
Foster Bam                      143,983,688     4,092,218 
George S. Bissell               143,979,383     4,096,523 
Edwin D. Campbell               144,015,759     4,060,147 
Charles F. Chapin               144,037,486     4,038,420 
K. Dun Gifford                  144,088,419     3,987,487 
James S. Howell                 143,983,258     4,092,648 
Leroy Keith, Jr.                144,096,560     3,979,346 
F. Ray Keyser, Jr.              143,988,564     4,087,342 
Gerald M. McDonell              144,031,045     4,044,861 
Thomas L. McVerry               144,024,241     4,051,665 
William Walt Pettit             144,010,323     4,065,583 
David M Richardson              144,101,685     3,974,221 
Russell A. Salton, III M.D.     144,092,464     3,983,442 
Michael S. Scofield             144,026,816     4,049,090 
Richard J. Shima                144,066,939     4,008,967 
Andrew J. Simons                144,068,774     4,007,132 

2. To approve an Investment Advisory and Management Agreement between the 
   Fund and Keystone Investment Management Company. 

Affirmative      139,291,841 
Against            3,308,095 
Abstain            5,475,971 

<PAGE> 

PAGE 34 
- -------------------- 
Keystone Tax Free Fund 

                             Keystone's Services 
                               for Shareholders 

    KEYSTONE AUTOMATED RESPONSE LINE (KARL)--Receive up-to-date account 
information on your balance, last transaction and recent Fund distribution. 
You may also process transactions such as investments, redemptions and 
exchanges using a touch-tone telephone as well as receive quotes on price, 
yield, and total return of your Keystone Fund. Call toll-free, 
1-800-346-3858. 

   EASY ACCESS TO INFORMATION ON YOUR ACCOUNT--Information about your 
Keystone account is available 24 hours a day through KARL. To speak with a 
Shareholder Services representative about your account, call toll-free 
1-800-343-2898 between 8:00 A.M. and 6:00 P.M. Eastern time. Retirement Plan 
investors should call 1-800-247-4075. 

   ADDITIONS TO YOUR ACCOUNT--You can buy additional shares for your account 
at any time, with no minimum additional investment. 

   REINVESTMENT OF DISTRIBUTIONS--You can compound the return on your 
investment by automatically reinvesting your Fund's distributions at net 
asset value with no sales charge. 

   EXCHANGE PRIVILEGE--You may move your money among funds in the same 
Keystone family quickly and easily for a nominal service fee. KARL gives you 
the added ability to move your money any time of day, any day of the week. 
Keystone offers a variety of funds with different investment objectives for 
your changing investment needs. 

   ELECTRONIC FUNDS TRANSFER (EFT)--Referred to as the "paper-less 
transaction," EFT allows you to take advantage of a variety of preauthorized 
account transactions, including automatic monthly investments and systematic 
monthly or quarterly withdrawals. EFT is a quick, safe and accurate way to 
move money between your bank account and your Keystone account. 

   CHECK WRITING--Shareholders of Keystone Liquid Trust may exercise the 
check writing privilege to draw from their accounts. 

   EASY REDEMPTION--KARL makes redemption services available to you 24 hours 
a day, every day of the year. The amount you receive may be more or less than 
your original account value depending on the value of fund shares at time of 
redemption. 

   RETIREMENT PLANS--Keystone offers a full range of retirement plans, 
including IRA, SEP-IRA, profit sharing, money purchase, and defined 
contribution plans. For more information, please call Retirement Plan 
Services, toll-free at 1-800-247-4075. 

   Keystone is committed to providing you with quality, responsive account 
service. We will do our best to assist you and your financial adviser in 
carrying out your investment plans. 

<PAGE> 

                      THIS PAGE INTENTIONALLY LEFT BLANK 

<PAGE> 
[wrap cover]
                                    KEYSTONE
                                FAMILY OF FUNDS

                                    [diamond]

                              Balanced Fund (K-1)
                          Diversified Bond Fund (B-2)
                          Growth and Income Fund (S-1)
                          High Income Bond Fund (B-4)
                            International Fund Inc.
                                  Liquid Trust
                           Mid-Cap Growth Fund (S-3)
                         Precious Metals Holdings, Inc.
                            Quality Bond Fund (B-1)
                        Small Company Growth Fund (S-4)
                          Strategic Growth Fund (K-2)
                                 Tax Free Fund


This report was prepared primarily for the information of the Fund's
shareholders. It is authorized for distribution if preceded or accompanied by
the Fund's current prospectus. The prospectus contains important information
about the Fund including fees and expenses. Read it carefully before you invest
or send money. For a free prospectus on other Evergreen Keystone funds, contact
your financial adviser or call Evergreen Keystone.

[GRAPHIC] Evergreen Keystone Logo

P.O. Box 2121
Boston, Massachusetts 02106-2121

KTF-R-2/97
48M             [recycle symbol]

KEYSTONE

[GRAPHIC] U.S. flag

TAX FREE
FUND

[GRAPHIC] Evergreen Keystone Logo

ANNUAL REPORT
DECEMBER 31, 1996



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