HANCOCK JOHN TAX FREE BOND FUND
485B24E, 1996-04-30
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                                                       REGISTRATION NO. 33-32246
                                                       REGISTRATION NO. 811-5968

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   FORM N-1A
                                   ---------
                          REGISTRATION STATEMENT UNDER
                           THE SECURITIES ACT OF 1933       [X]
                          PRE-EFFECTIVE AMENDMENT NO.       [ ]
                         POST-EFFECTIVE AMENDMENT NO. 9     [X]
                                     AND/OR
                          REGISTRATION STATEMENT UNDER      [X]
                       THE INVESTMENT COMPANY ACT OF 1940
                                AMENDMENT NO. 13
                           (check appropriate boxes)
                           -------------------------
                        JOHN HANCOCK TAX-FREE BOND FUND
               (Exact Name of Registrant as Specified in Charter)
                             101 HUNTINGTON AVENUE
                        BOSTON, MASSACHUSETTS 02199-7603
                    (Address of Principal Executive Offices)
               REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE
                                 (617) 375-1700
                                 --------------
                                Thomas H. Drohan
                          Vice President and Secretary
                          JOHN HANCOCK ADVISERS, INC.
                             101 HUNTINGTON AVENUE
                        BOSTON, MASSACHUSETTS 02199-7603
                    (Name and Address of Agent for Service)
                    ---------------------------------------

It is proposed that this filing will become effective (check appropriate box)
[ ]  immediately upon filing pursuant to paragraph (b)
[X]  on May 1, 1996 pursuant to paragraph (b)
[ ]  60 days after filing pursuant to paragraph (a)
[ ]  on (date) pursuant to paragraph (a) of Rule (485 or 486)

CALCULATION OF REGISTRATION FEES UNDER THE SECURITIES ACT OF 1933
<TABLE>
<CAPTION>
=================================================================================================================
                                                    PROPOSED MAXIMUM      PROPOSED AGGREGATE
TITLE OF SECURITIES           AMOUNT OF SHARES       OFFERING PRICE             MAXIMUM             AMOUNT OF
  BEING REGISTERED            BEING REGISTERED         PER SHARE**          OFFERING PRICE       REGISTRATION FEE
- -----------------------------------------------------------------------------------------------------------------
<S>                           <C>                      <C>                  <C>                  <C>
Shares of Capital Stock ....     Indefinite                N/A                    N/A                   N/A                   
- -----------------------------------------------------------------------------------------------------------------
Shares of Capital Stock ....     1,375,931               $10.71                 $290,000               $100+
=================================================================================================================
</TABLE>
*    Registrant  continues  its  election of register  an  indefinite  number of
     shares of its capital  stock  pursuant  to Rule 24f-2 under the  Investment
     Company Act of 1940, as amended.

**   Registrant  elects to  calculate  the  maximum  aggrtegate  offering  price
     pursuant to Rule 24c-2.  3,630,113  shares were redeemed  during the fiscal
     year ended  December 31, 1994,  2,281,259  shares were used for  reductions
     pursuant  to  Paragraph  (c) of  24f-2  during  the  current  fiscal  year.
     1,375,931  shares is the amount of redeemed  shares used for  reduction  in
     this  Amendment.  Pursuant to Rule 457(c) under the Securities Act of 1933,
     the  maximum  offering  price of $10.71 per share on April 19,  1995 is the
     price used as the basis for calculating the registration  fee. While no fee
     is  required  for the  1,348,854  shares,  the  Registrant  has  elected to
     register,  for $100, an additional $290,000 of shares (approximately 27,077
     shares at $10.71 per share).

+    For both National Series and Global Series.

PURSUANT TO RULE 24F-2 UNDER THE INVESTMENT COMPANY ACT OF 1940,  REGISTRANT HAS
REGISTERED AN INDEFINITE  NUMBER OF SECURITIES UNDER THE SECURITIES ACT OF 1933.
THE  REGISTRANT  FILED THE NOTICE  REQUIRED  BY RULE  24F-2 FOR ITS MOST  RECENT
FISCAL YEAR ON OR ABOUT FEBRUARY 26, 1996.
<PAGE>


<PAGE>
                        JOHN HANCOCK TAX-FREE BOND FUND
 

                               __________________
   
                             CROSS-REFERENCE SHEET

<TABLE>
<CAPTION>

Form N-1A
 Item  
Part A            Caption                                 Prospectus
- ------            -------                                 ----------
<S>               <C>                                     <C>

1...              Cover Page                              Cover Page
2...              Synopsis/Summary of Fund                Expense Information; The Fund's Expenses;
                  Expenses                                Share Price
3...              Condensed Financial                     The Fund's Financial Highlights
                  Information
4...              General Description                     Investment Objective and Policies;
                  of Registrant                           Organization and Management of the Fund
5...              Management of the Fund                  Organization and Management of the Fund;
                                                          The Fund's Expenses; Back Cover Page
6...              Capital Stock and                       Organization and Management of the Fund;
                  Other Securities                        Dividends and Taxes; How to Buy Shares; How to
                                                          Redeem Shares; Additional Services and
                                                          Programs
7...              Purchase of Securities                  How To Buy Shares; Share Price; Additional
                  Being Offered                           Services and Programs; Alternative Purchase
                                                          Arrangements; The Fund's Expenses; Back
                                                          Cover Page
8...              Redemption or Repurchase                How To Redeem Shares
9...              Pending Legal Proceedings               Not applicable


Part B            Caption                                 Statement of Additional Information
- ------            -------                                 -----------------------------------

10...             Cover Page                              Cover Page
11...             Table of Contents                       Table of Contents
12...             General Information                     The Fund and its Management
                  and History
13...             Investment Objectives                   Investment Objective and Policies;
                  and Policies                            Investment Practices; Investment Restrictions;
                                                          Special Investment Techniques
14...             Management of the Fund                  The Fund and its Management; Trustees
                                                          and Officers of the Fund
15...             Control Persons and                     The Fund and its Management
                  Principal Holders of
                  Securities




                                       ii

<PAGE>

16...             Investment Advisory and                 The Fund and its Management
                  Other Services
17...             Brokerage Allocation                    Portfolio Transactions and
                                                          Brokerage
18...             Capital Stock and                       Additional Information
                  Other Securities
19...             Purchase, Redemption and                Purchase of Shares; Determination
                  Pricing of Securities                   of Net Asset Value; Shareholder
                  Being Offered                           Services; Redemption and Repurchase of Shares
20...             Tax Status                              Dividends, Distributions and Tax Status
21...             Underwriters                            Purchase of Shares-Distributors
22...             Calculation of                          Additional Information Performance Information
                  Performance Data
23...             Financial Statements                    Financial Statements

</TABLE>

Part C                        Other Information

     Information  required  to be  included  in Part C is set  forth  under  the
appropriate Item, so numbered, in Part C to this Registration Statement.





                                      iii

<PAGE>

 
JOHN HANCOCK
 
TAX-FREE
BOND FUND
CLASS A AND CLASS B SHARES
PROSPECTUS
MAY 1, 1996
 
- --------------------------------------------------------------------------------
TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                                         Page
                                                                                         ----
<S>                                                                                      <C>
Expense Information...................................................................     2
The Fund's Financial Highlights.......................................................     3
Investment Objective and Policies.....................................................     5
Organization and Management of the Fund...............................................     8
Alternative Purchase Arrangements.....................................................     9
The Fund's Expenses...................................................................    10
Dividends and Taxes...................................................................    11
Performance...........................................................................    12
How to Buy Shares.....................................................................    14
Share Price...........................................................................    15
How to Redeem Shares..................................................................    21
Additional Services and Programs......................................................    24
Investments, Techniques and Risk Factors..............................................    27
</TABLE>
 
  This Prospectus sets forth the information about John Hancock Tax-Free Bond
Fund (the "Fund"), a diversified fund, that you should know before investing.
Please read and retain it for future reference.
  Additional information about the Fund has been filed with the Securities and
Exchange Commission (the "SEC"). You can obtain a copy of the Fund's Statement
of Additional Information, dated May 1, 1996 and incorporated by reference into
this Prospectus, free of charge by writing or telephoning: John Hancock Investor
Services Corporation, P.O. Box 9116, Boston, Massachusetts 02205-9116,
1-800-225-5291 (1-800-554-6713 TDD).
  SHARES OF THE FUND ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR
ENDORSED BY, ANY BANK, AND THE SHARES ARE NOT FEDERALLY INSURED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD OR ANY OTHER GOVERNMENT
AGENCY.
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.

<PAGE>
 
EXPENSE INFORMATION
  The purpose of the following information is to help you to understand the
various fees and expenses you will bear, directly or indirectly, when you
purchase Fund shares. The operating expenses included in the table and
hypothetical example below are based on actual fees and expenses for the Class A
and Class B shares of the Fund's fiscal year ended December 31, 1995 adjusted to
reflect current fees and expenses. Actual fees and expenses may be greater or
less than those indicated.
 
<TABLE>
<CAPTION>
                                                                                                   CLASS A             CLASS B
                                                                                                   SHARES              SHARES
                                                                                                   -------             -------
<S>                                                                                                <C>                 <C>
SHAREHOLDER TRANSACTION EXPENSES
Maximum sales charge imposed on purchase (as a percentage of offering price)....................     4.50%              None
Maximum sales charge imposed on reinvested dividends............................................    None                None
Maximum deferred sales charge...................................................................    None*                5.00%
Redemption fee+.................................................................................    None                None
Exchange fee....................................................................................    None                None
ANNUAL FUND OPERATING EXPENSES (As a percentage of average net assets)
Management fee..................................................................................     0.55%               0.55%
12b-1 fee***++..................................................................................     0.25%               1.00%
Other expenses**................................................................................     0.27%               0.27%
Total Fund operating expenses****...............................................................     1.07%               1.82%
</TABLE>
 
- ---------------
 
   * No sales charge is payable at the time of purchase on investments in Class
     A shares of $1 million or more, but for these investments a contingent
     deferred sales charge may be imposed, as described below under the caption
     "Share Price," in the event of certain redemption transactions within one
     year of purchase.
  ** Other Expenses include transfer agent, legal, audit, custody and other
     expenses.
 *** The amount of the 12b-1 fee for Class B Shares used to cover service
     expenses will be up to 0.25% of the Fund's average net assets, and the
     remaining portion will be used to cover distribution expenses.
**** Until December 23, 1996, John Hancock Advisers has agreed to limit total
     fund operating expense to 0.85% for Class A shares and 1.60% for Class B
     shares.
   + Redemption by wire fee (currently $4.00) not included.
  ++ The Trustees of the Fund have voted to recommend that the Class A
     shareholders of the Fund approve at a shareholder meeting scheduled to be
     held on June 26, 1996 an increase in the 12b-1 fee from 0.15% of average
     daily net assets to 0.25% effective December 23, 1996. Also effective
     December 23, 1996, the 12b-1 fee on Class B shares will be increased from
     0.90% of average daily net assets to 1.00%. Prior to the increase of the
     12b-1 fee for Class A and Class B shares, the total Fund operating expenses
     for Class A and Class B shares should be approximately 0.97% and 1.72% of
     average daily net assets, respectively.
 
<TABLE>
<CAPTION>
                                  EXAMPLE:                                      1 YEAR       3 YEARS       5 YEARS       10 YEARS
                                                                                ------       -------       -------       --------
<S>                                                                             <C>          <C>           <C>           <C>
You would pay the following expenses for the indicated period of years on a
  hypothetical $1,000 investment, assuming 5% annual return:
Class A Shares...............................................................    $ 55          $78          $ 101          $170
Class B Shares
    -- Assuming complete redemption at end of period.........................    $ 68          $87          $ 119          $194
    -- Assuming no redemption................................................    $ 18          $57          $  99          $194
</TABLE>
 
(This example should not be considered a representation of past or future
expenses. Actual expenses may be greater or lesser than those shown.)
  The Fund's payment of a distribution fee may result in a long-term shareholder
indirectly paying more than the economic equivalent of the maximum front-end
sales charge permitted under the National Association of Securities Dealers,
Inc.'s Rules of Fair Practice.
  The management and 12b-1 fees referred to above are more fully explained in
this Prospectus under the caption "The Fund's Expenses" and in the Statement of
Additional Information under the captions "Investment Advisory and Other
Services" and "Purchase of Shares."
 
                                        2

<PAGE>
 
THE FUND'S FINANCIAL HIGHLIGHTS
  The following table of financial highlights has been audited by Ernst & Young
LLP, the Fund's independent auditors, whose unqualified report is included in
the Statement of Additional Information. Further information about the
performance of the Fund is contained in the Fund's Annual Report to Shareholders
which may be obtained free of charge by writing or telephoning John Hancock
Investor Services Corporation ("Investor Services"), at the address or telephone
number listed on the front page of this Prospectus.
  Selected data for each class of shares outstanding throughout each period is
as follows:
 
<TABLE>
<CAPTION>
                                                                                                              FOR THE PERIOD
                                                                                                              JANUARY 5, 1990
                                                                   YEAR ENDED DECEMBER 31,                     (COMMENCEMENT
                                                     ---------------------------------------------------      OF OPERATIONS)
                                                      1995      1994(e)      1993       1992       1991    TO DECEMBER 31, 1990
                                                     ------     -------     ------     ------     ------   ---------------------
<S>                                                  <C>        <C>         <C>        <C>        <C>      <C>
CLASS A
PER SHARE OPERATING PERFORMANCE
Net Asset Value, Beginning of Period...............  $ 9.39     $10.96      $10.47     $10.24      $9.90           $10.00(b)
Net Investment Income..............................    0.57(d)    0.58        0.62       0.67       0.69             0.71
Net Realized and Unrealized Gain (Loss) on
  Investments......................................    1.28      (1.58 )      0.93       0.42       0.72            (0.13)
                                                     ------     ------      ------     ------     ------           ------
Total from Investment Operations...................    1.85      (1.00 )      1.55       1.09       1.41             0.58
LESS DISTRIBUTIONS
Dividends from Net Investment Income...............   (0.57)     (0.57 )     (0.62)     (0.68)     (0.68)           (0.68)
Distributions from Net Realized Gains on
  Investments Sold.................................    --         --         (0.44)     (0.18)     (0.39)        --
                                                     ------     ------      ------     ------     ------           ------
Total Distributions................................   (0.57)     (0.57 )     (1.06)     (0.86)     (1.07)           (0.68)
                                                     ------     ------      ------     ------     ------           ------
Net Asset Value, End of Period.....................  $10.67     $ 9.39      $10.96     $10.47     $10.24           $ 9.90
                                                     ======     ======      ======     ======     ======           ======
Total Investment Return at Net Asset Value.........   20.20%     (9.28 )%    15.15%     10.97%     14.78%            6.04%(c)
Total Adjusted Investment Return at Net Asset
  Value(a).........................................   20.08%     (9.39 )%    14.98%     10.67%     14.40%            5.18%(c)
RATIOS AND SUPPLEMENTAL DATA
Net Assets, End of Period (000's omitted)..........  $118,797   $114,539    $136,521   $99,523    $73,393         $45,437
Ratio of Expenses to Average Net Assets............    0.85%      0.85%       0.78%      0.66%      0.60%            0.40%*
Ratio of Adjusted Expenses to Average Net
  Assets(a)........................................    0.97%      0.96%       0.95%      0.96%      0.98%            1.26%*
Ratio of Net Investment Income to Average Net
  Assets...........................................    5.67%      5.72%       5.57%      6.46%      6.86%            7.17%*
Ratio of Adjusted Net Investment Income to
  Average Net Assets(a)............................    5.55%      5.61%       5.40%      6.16%      6.48%            6.31%*
Portfolio Turnover Rate............................     113%       107%        116%        79%       123%              64%
</TABLE>
 
- ---------------
 
  * On an annualized basis.
 
(a) On an unreimbursed basis.
 
(b) Initial price to commence operations.
 
(c) Not annualized.
 
(d) On average month end shares outstanding.
 
(e) On December 22, 1994, John Hancock Advisers, Inc. became the investment
adviser of the Fund.
 
                                        3

<PAGE>
 
<TABLE>
<CAPTION>
                                                                                             YEAR ENDED DECEMBER 31,
                                                                                     ----------------------------------------
                                                                                      1995      1994(E)      1993       1992
                                                                                     ------     -------     ------     ------
<S>                                                                                  <C>        <C>         <C>        <C>
CLASS B
PER SHARE OPERATING PERFORMANCE
Net Asset Value, Beginning of Period...............................................  $ 9.38     $10.96      $10.47     $10.24
Net Investment Income..............................................................    0.50(d)    0.50        0.54       0.59(d)
Net Realized and Unrealized Gain (Loss) on Investments.............................    1.28      (1.58 )      0.93       0.42
                                                                                     ------     ------      ------     ------
Total from Investment Operations...................................................    1.78      (1.08 )      1.47       1.01
LESS DISTRIBUTIONS
Dividends from Net Investment Income...............................................   (0.49)     (0.50 )     (0.54)     (0.60)
Distributions from Net Realized Gains on Investments Sold..........................    --         --         (0.44)     (0.18)
                                                                                     ------     ------      ------     ------
Total Distributions................................................................   (0.49)     (0.50 )     (0.98)     (0.78)
                                                                                     ------     ------      ------     ------
Net Asset Value, End of Period.....................................................  $10.67     $ 9.38      $10.96     $10.47
                                                                                     ======     ======      ======     ======
Total Investment Return at Net Asset Value.........................................   19.41%    (10.05 )%    14.30%     10.15%
Total Adjusted Investment Return at Net Asset Value(a).............................   19.29%    (10.16 )%    14.13%      9.85%
RATIOS AND SUPPLEMENTAL DATA
Net Assets, End of Period (000's Omitted)..........................................  $76,824    $70,243     $56,384    $18,272
Ratio of Expenses to Average Net Assets............................................    1.60%      1.60%       1.53%      1.43%
Ratio of Adjusted Expenses to Average Net Assets(a)................................    1.72%      1.71%       1.70%      1.73%
Ratio of Net Investment Income to Average Net Assets...............................    4.90%      4.97%       4.66%      5.57%
Ratio of Adjusted Net Investment Income to Average Net Assets(a)...................    4.78%      4.86%       4.49%      5.27%
Portfolio Turnover Rate............................................................     113%       107%        116%        79%
</TABLE>
 
- ---------------
 
  * On an annualized basis.
 
(a) On an unreimbursed basis.
 
(b) Initial price to commence operations.
 
(c) Not annualized.
 
(d) On average month end shares outstanding.
 
(e) On December 22, 1994, John Hancock Advisers, Inc. became the investment
adviser of the Fund.
 
                                        4

<PAGE>
 
INVESTMENT OBJECTIVE AND POLICIES
The Fund's investment objective is to obtain as high a level of interest income
exempt from federal income taxes as is consistent with preservation of capital.
The Fund seeks to achieve its objective by investing primarily in municipal
bonds, notes and commercial paper, the interest on which is exempt from federal
income taxes ("Municipal Obligations"). Municipal Obligations include debt
obligations issued by or on behalf of states, territories and possessions of the
United States; the District of Columbia; and the political subdivisions,
agencies or instrumentalities thereof.
 
- -------------------------------------------------------------------------------
                   THE FUND SEEKS TO PROVIDE INCOME EXEMPT
                   FROM FEDERAL INCOME TAX.
- -------------------------------------------------------------------------------
 
Under normal market conditions, at least 80% of the Fund's total assets will be
invested in Municipal Obligations. At least 65% of the Fund's assets will
normally be invested in municipal bonds. Pending the investment of Fund assets
in Municipal Obligations and to meet redemption requests, the Fund may invest up
to 20% of its total assets in private activity bonds (the interest on which may
be treated as a tax preference item under the Federal alternative minimum tax)
and in certain taxable money market securities, including: obligations issued or
guaranteed by the U.S. government, its agencies, instrumentalities or
authorities; corporate debt securities; commercial paper; certificates of
deposit of domestic banks with assets of $1 billion or more; and repurchase
agreements secured by U.S. Government securities.
 
When John Hancock Advisers, Inc. (the "Adviser") determines that unfavorable
investment conditions warrant a temporary defensive position, the Fund may
invest more than 20% of its assets in taxable money market securities rated in
the three highest ratings as determined by Moody's Investors Services, Inc.
("Moody's"), Standard & Poor's Ratings Group ("S&P") or Fitch Investors Service
("Fitch") or, if unrated, determined by the Adviser to be of comparable quality.
See the Statement of Additional Information for a description of those ratings.
 
Municipal bonds generally are classified as either general obligation bonds or
revenue bonds. General obligation bonds are backed by the credit of an issuer
having taxing power and are payable from the issuer's general unrestricted
revenues. Their payment may depend on an appropriation of the issuer's
legislative body. Revenue bonds, by contrast, are payable only from the revenues
derived from a particular project, facility or a specific revenue source. They
are not generally payable from the unrestricted revenues of the issuer.
Municipal notes include tax anticipation notes, bond anticipation notes, revenue
anticipation notes and project notes. Municipal commercial paper obligations are
unsecured promissory notes issued by municipalities to meet short-term credit
needs.
 
- -------------------------------------------------------------------------------
                   THE FUND'S INVESTMENT IN MUNICIPAL
                   OBLIGATIONS INCLUDES MUNICIPAL BONDS,
                   MUNICIPAL NOTES AND MUNICIPAL COMMERCIAL
                   PAPER.
- -------------------------------------------------------------------------------
 
The Fund may invest less than 35% of its assets in municipal bonds, including
private activity bonds, and municipal notes rated at the time of purchase Ba or
B by Moody's, BB or B by S&P or Fitch or, if not rated, determined by the
Adviser to be of comparable credit quality. Municipal commercial paper must be
rated at least Prime-2 by Moody's or A-1+ by S&P. The Fund may retain Municipal
Obligations
 
- -------------------------------------------------------------------------------
                   THE FUND INVESTS IN MUNICIPAL OBLIGATIONS.
- -------------------------------------------------------------------------------
 
                                        5

<PAGE>
whose ratings are downgraded below permissible ratings until the
Adviser determines that disposing of such Obligations is in the best interest of
the Fund.

Municipal bonds and notes rated BBB or Baa are considered to have some
speculative characteristics and can pose special risks involving the ability of
the issuer to make payment of principal and interest to a greater extent than
higher rated securities. Municipal bonds and notes rated BB, B, Ba, or B are
considered speculative and are generally referred to as junk bonds. While
generally providing greater income than investments in higher quality
securities, these instruments involve greater risk of principal and income loss,
including the possibility of default. These instruments may have greater price
volatility, especially during periods of economic uncertainty or change. Bonds
rated B are currently meeting debt services requirements but provide a limited
margin of safety and are vulnerable to default in the event of adverse business,
financial or economic conditions. In addition, the market for these instruments
may be less liquid than the market for higher rated securities. Therefore, the
adviser's judgment at times play a greater role in the performance and valuation
of the Fund's investments in these instruments. See Appendix A to the Statement
of Additional Information for additional discussion of the ratings assigned to
Municipal Obligations.
 
The Adviser will purchase municipal bonds rated BBB, BB or B or Baa, Ba or B
where, based upon price, yield and its assessment of quality, investment in such
bonds is determined to be consistent with the Fund's objective of preservation
of capital. The Adviser will evaluate and monitor the quality of all
investments, including bonds rated BBB, BB or B or Baa, Ba or B, and will
dispose of such bonds necessary to assure that the Fund's overall portfolio is
constituted in manner consistent with the goal of preservation of capital. To
the extent that the Fund's investments in municipal bonds rated BBB, BB or B or
Baa, Ba or B includes obligations believed to be consistent with the goal of
preserving capital, such bonds may not provide yields as high as those of other
obligations having such ratings and the differential in yields between such
bonds and obligations with higher quality ratings may not be as significant as
might otherwise be generally available.
 
Because there is no restriction on the maturities of the Municipal Obligations
in which the Fund may invest, the Fund's average portfolio maturity is not
subject to any limit. Generally, the longer the average portfolio maturity, the
greater will be the impact of fluctuations in interest rates on the values of
the Fund's assets and on the net asset value per share.
 
- -------------------------------------------------------------------------------
                   THERE IS NO RESTRICTION ON THE MATURITIES
                   OF THE FUND'S MUNICIPAL OBLIGATIONS.
- -------------------------------------------------------------------------------
 
The Fund may write (sell) covered call and put options on debt securities in
which it may invest and on indices composed of debt securities in which it may
invest. The Fund may purchase call and put options on these securities and
indices. The Fund may also write straddles, which are combinations of put and
call options on the same security. The Fund may buy and sell interest rate and
municipal bond index futures contracts and options on such futures contracts to
hedge against changes in securities prices and interest rates.
 
- -------------------------------------------------------------------------------
                   THE FUND MAY EMPLOY CERTAIN INVESTMENT
                   STRATEGIES TO HELP ACHIEVE ITS INVESTMENT
                   OBJECTIVE.
- -------------------------------------------------------------------------------
 
                                        6

<PAGE>
 
The Fund may invest in variable rate and floating rate obligations, including
inverse floating rate obligations, on which the interest rate is adjusted at
predesignated periodic intervals or when there is a change in the market rate
of interest on which the interest rate payable on the obligation is met is
based.
 
Options, futures contracts and variable and floating rate instruments are
generally considered to be "derivative" instruments because they derive their
value from the performance of an underlying asset, index or other economic
benchmark. See "Investments, Techniques and Risk Factors" for additional
discussion of derivative instruments.
 
The Fund will not concentrate in any one industry (governmental issuers are not
considered to be part of any "industry"). While the Fund may invest more than
25% of its total assets in industrial development or pollution control bonds,
it may not invest more than 25% of its assets in industrial development or
pollution control bonds which are dependent, directly or indirectly, on the
revenues or credit of private entities in any one industry.
 
The Fund may purchase tax exempt participation interests and municipal lease
obligations, may lend its portfolio securities, enter into repurchase
agreements, purchase restricted and illiquid securities and purchase securities
on a when-issued or forward commitment basis.
 
See "Investments, Techniques and Risk Factors" for more information about the
Fund's investments.
 
The Fund has adopted certain investment restrictions which are enumerated in
detail in the Statement of Additional Information where they are classified as
fundamental or nonfundamental. Those restrictions designated as fundamental may
not be changed without shareholder approval. The Fund's investment objective
and its policy to invest (under normal market conditions) 80% of its assets in
Municipal Obligations are fundamental and may not be changed without the
approval of the Fund's shareholders. The Fund's other investment policies and
its nonfundamental restrictions, however, may be changed by a vote of the
Trustees without shareholder approval. Notwithstanding the Fund's fundamental
investment restriction prohibiting investments in other investment companies,
the Fund may, pursuant to an order granted by the SEC, invest in other
investment companies in connection with a deferred compensation plan for the
non-interested trustees of the John Hancock Group of Funds. There can be no
assurance that the Fund will achieve its investment objective.
 
- -------------------------------------------------------------------------------
                   THE FUND FOLLOWS CERTAIN POLICIES WHICH
                   MAY HELP TO REDUCE INVESTMENT RISK.
- -------------------------------------------------------------------------------
 
RISK FACTORS.  An investment in the Fund is intended for long-term investors
who can accept the risks associated with investing primarily in fixed-income
securities. The Fund's investments will be subject to market fluctuation and
other risks inherent in all securities. The yield, return and price volatility
of the Fund depend on the type and quality of its investments as well as market
and other factors. In addition, the Fund's potential investments and management
techniques may entail specific risks. For additional information about risks
associated with an investment in the Fund, see "Investments, Techniques and
Risk Factors."
 
                                        7

<PAGE>
 
When choosing brokerage firms to carry out the Fund's transactions, the Adviser
gives primary consideration to execution at the most favorable prices, taking
into account the broker's professional ability and quality service.
Consideration may also be given to the broker's sales of Fund shares. Pursuant
to procedures determined by the Trustees, the Adviser may place securities
transactions with brokers affiliated with the Adviser. These brokers include
Tucker Anthony Incorporated, Sutro & Company, Inc. and John Hancock
Distributors, Inc., which are indirectly owned by the John Hancock Mutual Life
Insurance Company (the "Life Company"), which in turn indirectly owns the
Adviser.
 
- -------------------------------------------------------------------------------
                   BROKERS ARE CHOSEN ON BEST PRICE AND
                   EXECUTION.
- -------------------------------------------------------------------------------
 
ORGANIZATION AND MANAGEMENT OF THE FUND
The Fund is a diversified open-end management investment company organized as a
Massachusetts business trust in 1989. The Fund reserves the right to create and
issue a number of series of shares, or funds or classes thereof, which are
separately managed and have different investment objectives. The Trustees have
authorized the issuance of two classes of the Fund, designated as Class A and
Class B. The shares of each class represent an interest in the same portfolio of
investments of the Fund. Each class has equal rights as to voting, redemption,
dividends and liquidation. However, each class bears different distribution and
transfer agent fees and other expenses. Also, Class A and Class B shareholders
have exclusive voting rights with respect to their distribution plans.
 
- -------------------------------------------------------------------------------
                   THE TRUSTEES ELECT OFFICERS AND RETAIN THE
                   INVESTMENT ADVISER WHO IS RESPONSIBLE FOR
                   THE DAY-TO-DAY OPERATIONS OF THE FUND,
                   SUBJECT TO THE TRUSTEES' POLICIES AND
                   SUPERVISION.
- -------------------------------------------------------------------------------
 
The Fund is not required to and does not intend to hold annual meetings of
shareholders, although special meetings may be held for such purposes as
electing or removing Trustees, changing fundamental policies or approving a
management contract. The Fund, under certain circumstances, will assist in
shareholder communications with other shareholders.
 
The Adviser was organized in 1968 and is a wholly-owned indirect subsidiary of
the Life Company, a financial services company. The Adviser provides the Fund,
and other investment companies in the John Hancock group of funds, with
investment research and portfolio management services. John Hancock Funds
distributes shares for all of the John Hancock mutual funds through Selling
Brokers. Certain Fund officers are also officers of the Adviser and John Hancock
Funds.
 
- -------------------------------------------------------------------------------
                   JOHN HANCOCK ADVISERS, INC. ADVISES
                   INVESTMENT COMPANIES HAVING A TOTAL ASSET
                   VALUE OF MORE THAN $16 BILLION.
- -------------------------------------------------------------------------------
 
Thomas C. Goggins is Senior Vice President of the Adviser and is responsible for
the day-to-day management of the Fund. Mr. Goggins heads up John Hancock's team
of municipal portfolio managers and analysts. He joined the Adviser in 1995.
Prior to that date, Mr. Goggins was a municipal bond portfolio manager at Putnam
Investments and Transamerica Investment Services, Inc.
 
In order to avoid conflicts with portfolio trades for the Fund, the Adviser and
the Fund have adopted extensive restrictions on personal securities trading by
personnel of the Adviser and its affiliates. Some of these restrictions are:
preclearance for all personal trades and a ban on the purchase of initial public
offerings, as well as contributions to specified charities of profits on
securities held for less than 91 days. These restrictions are a continuation of
the basic principle that the interests of the Fund and its shareholders come
first.
 
                                        8

<PAGE>
 
ALTERNATIVE PURCHASE ARRANGEMENTS
You can purchase shares of the Fund at a price equal to their net asset value
per share plus a sales charge. At your election, this charge may be imposed
either at the time of the purchase (see "Initial Sales Charge Alternative,"
Class A Shares) or on a contingent deferred basis (the "Contingent Deferred
Sales Charge Alternative," Class B Shares). If you do not specify on your
account application the class of shares you are purchasing, it will be assumed
that you are investing in Class A shares.
 
- -------------------------------------------------------------------------------
                   AN ALTERNATIVE PURCHASE PLAN ALLOWS YOU TO
                   CHOOSE THE METHOD OF PAYMENT THAT IS BEST
                   FOR YOU.
- -------------------------------------------------------------------------------
 
CLASS A SHARES.  If you elect to purchase Class A shares, you will incur an
initial sales charge unless the amount you purchase is $1 million or more. If
you purchase $1 million or more of Class A shares, you will not be subject to an
initial sales charge, but you will incur a sales charge if you redeem your
shares within one year of purchase. Class A shares are subject to ongoing
distribution and service fees at a combined annual rate of up to 0.25% of the
Fund's average daily net assets attributable to the Class A shares. Certain
purchases of Class A shares qualify for reduced initial sales charges. See
"Share Price -- Qualifying for a Reduced Sales Charge."
 
- -------------------------------------------------------------------------------
                   INVESTMENTS IN CLASS A SHARES ARE SUBJECT
                   TO AN INITIAL SALES CHARGE.
- -------------------------------------------------------------------------------
 
CLASS B SHARES.  You will not incur a sales charge when you purchase Class B
shares, but the shares are subject to a sales charge if you redeem them within
six years of purchase (the "contingent deferred sales charge" or the "CDSC").
Class B shares are subject to ongoing distribution and service fees at a
combined annual rate of up to 1.00% of the Fund's average daily net assets
attributable to the Class B shares. Investing in Class B shares permits all of
your dollars to work from the time you make your investment, but the higher
ongoing distribution fee will cause these shares to have higher expenses than
Class A shares. To the extent that any dividends are paid by the Fund, these
higher expenses will also result in lower dividends than those paid on Class A
shares.
 
- -------------------------------------------------------------------------------
                   INVESTMENTS IN CLASS B SHARES ARE SUBJECT
                   TO A CONTINGENT DEFERRED SALES CHARGE.
- -------------------------------------------------------------------------------
 
Class B shares are not available for full-service defined contribution plans
administered by Investor Services or the Life Company that had more than 100
eligible employees at the inception of the Fund account.
 
FACTORS TO CONSIDER IN CHOOSING AN ALTERNATIVE.  The alternative purchase
arrangement allows you to choose the most beneficial way to buy shares, given
the amount of your purchase, the length of time you expect to hold your shares
and other circumstances. You should consider whether, during the anticipated
life of your Fund investment, the CDSC and accumulated fees on Class B shares
would be less than the initial sales charge and accumulated fees on Class A
shares purchased at the same time, and to what extent this differential would be
offset by the Class A shares' lower expenses. To help you make this
determination, the table under the caption "Expense Information" on the inside
cover page of this Prospectus shows examples of the charges applicable to each
class of shares. Class A shares will normally be more beneficial if you qualify
for reduced sales charges. See "Share Price--Qualifying for a Reduced Sales
Charge."
 
- -------------------------------------------------------------------------------
                   YOU SHOULD CONSIDER WHICH CLASS OF SHARES
                   WOULD BE MORE BENEFICIAL TO YOU.
- -------------------------------------------------------------------------------
 
Class A shares are subject to lower distribution fees and, accordingly, pay
correspondingly higher dividends per share, to the extent any dividends are
paid.
 
                                        9

<PAGE>
 
However, because initial sales charges are deducted at the time of purchase, you
would not have all of your funds invested initially and, therefore, would
initially own fewer shares. If you do not qualify for reduced initial sales
charges and expect to maintain your investment for an extended period of time,
you might consider purchasing Class A shares. This is because the accumulated
distribution and service charges on Class B shares may exceed the initial sales
charge and accumulated distribution and service charges on Class A shares during
the life of your investment.
 
Alternatively, you might determine that it is more advantageous to purchase
Class B shares to have all of your funds invested initially. However, you will
be subject to higher distribution and service fees and, for a six-year period, a
CDSC.
 
In the case of Class A shares, the distribution expenses that John Hancock
Funds, Inc. ("John Hancock Funds") incurs in connection with the sale of the
shares will be paid from the proceeds of the initial sales charge and ongoing
distribution and service fees. In the case of Class B shares, the expenses will
be paid from the proceeds of the ongoing distribution and service fees, as well
as from the CDSC incurred upon redemption within six years of purchase. The
purpose and function of the Class B shares' CDSC and ongoing distribution and
service fees are the same as those of the Class A shares' initial sales charge
and ongoing distribution and service fees.
 
Dividends, if any, on Class A and Class B shares will be calculated in the same
manner, at the same time and on the same day. They will also be in the same
amount, except for differences resulting from each class bearing its own
distribution and service fees, shareholder meeting expenses. See "Dividends and
Taxes."
 
THE FUND'S EXPENSES
 
For managing its investment and business affairs, the Fund pays a fee to the
Adviser which for the 1995 fiscal year was 0.43% of the Fund's average daily net
assets.
 
The Class A and Class B shareholders have adopted distribution plans (each a
"Plan") pursuant to Rule 12b-1 under the Investment Company Act of 1940 (the
"1940 Act"). Under these Plans, the Fund will pay distribution and service fees
at an aggregate annual rate of up to 0.25% (0.15% until December 23, 1996) of
the Class A shares' average daily net assets and an aggregate annual rate of
1.00% of the Class B shares' average daily net assets. John Hancock Funds has
temporarily agreed to limit the distribution and services fees pursuant to the
Class B Plan to 0.90% until December 23, 1996 of average daily net assets. In
each case, up to 0.25% is for service expenses and the remaining amount is for
distribution expenses. The distribution fees will be used to reimburse John
Hancock Funds for its distribution expenses, including but not limited to: (i)
initial and ongoing sales compensation to Selling Brokers and others (including
affiliates of John Hancock Funds) engaged in the sale of Fund shares; (ii)
marketing, promotional and overhead expenses incurred in connection with the
distribution of Fund shares; (iii) unreimbursed distribution expenses under the
Fund's prior distribution plans;
 
- -------------------------------------------------------------------------------
                   THE FUND PAYS DISTRIBUTION AND SERVICE
                   FEES FOR MARKETING AND SALES-RELATED
                   SHAREHOLDER SERVICING.
- -------------------------------------------------------------------------------
 
                                       10

<PAGE>
(iv) distribution expenses incurred by other investment companies which sell all
or substantially all of its assets to, merge or otherwise engage in a
reorganization transaction with the Fund; and (v) with respect to Class B shares
only, interest expenses on unreimbursed distribution expenses. The service fees
will be used to compensate Selling Brokers and others for providing personal and
account maintenance services to shareholders. In the event John Hancock Funds is
not fully reimbursed for payments it makes or expenses it incurs under the Class
A Plan, these expenses will not be carried beyond one year from the date they
were incurred. Unreimbursed expenses under the Class B Plan will be carried
forward together with interest on the balance of these unreimbursed expenses.
For the fiscal year ended December 31, 1995, an aggregate of $3,009,557 of
distribution expenses or 4.0% of the average net assets of the Fund's Class B
shares was not reimbursed or recommended by John Hancock Funds through receipt
of deferred sales charges or Rule 12b-1 fees in prior periods.
 
Information on the Fund's total expenses is in the Financial Highlights section
of this Prospectus.
 
DIVIDENDS AND TAXES
 
DIVIDENDS.  The Fund generally declares dividends daily and distributes
dividends monthly, representing all or substantially all of its net investment
income. The Fund will distribute net realized long-term and short-term capital
gains, if any, annually before the close of the fiscal year (December 31).
 
- -------------------------------------------------------------------------------
                   THE FUND GENERALLY DECLARES DIVIDENDS
                   DAILY AND DISTRIBUTES THEM MONTHLY.
- -------------------------------------------------------------------------------
 
Dividends are reinvested in additional shares of your class unless you elect the
option to receive cash. If you elect the cash option and the U.S. Postal Service
cannot deliver your checks, your election will be converted to the reinvestment
option. Because of the higher expenses associated with Class B shares, any
dividends on these shares will be lower than those on the Class A shares. See
"Share Price."
 
TAXATION.  The Fund intends to meet certain federal tax requirements so that its
distributions of the tax-exempt interest it earns may be treated as
"exempt-interest dividends," which you are entitled to treat as tax-exempt
interest. That portion of exempt-interest dividends, if any, attributable to
interest on certain tax-exempt obligations that are "private activity bonds" may
increase certain shareholders' alternative minimum tax.
 
Shareholders receiving social security benefits and certain railroad retirement
benefits may be subject to Federal income tax on up to 85 percent of such
benefits as a result of receiving investment income, including tax-exempt income
(such as exempt-interest dividends) and other dividends paid by the Fund. Shares
of the Fund may not be an appropriate investment for persons who are
"substantial users" of facilities financed by industrial development or private
activity bonds, or persons related to "substantial users." Consult your tax
adviser if you think this may apply to you.
 
                                       11

<PAGE>
 
Dividends from the Fund's net taxable income, if any, including any market
discount included in the Fund's income, and from the Fund's net short-term
capital gains are taxable to you as ordinary income. Dividends from the Fund's
net long-term capital gains are taxable as long-term capital gain. These
dividends are taxable, whether received in cash or reinvested in additional
shares. Certain dividends may be paid by the Fund in January of a given year but
may be treated as if you received them the previous December.
 
The Fund has qualified and intends to continue to qualify as a regulated
investment company under Subchapter M of the Internal Revenue Code of 1986, as
amended (the "Code"). As a regulated investment company, the Fund will not be
subject to Federal income tax on any net investment income or net realized
capital gains distributed to its shareholders within the time period prescribed
by the Code. When you redeem (sell) or exchange shares, you may realize a
taxable gain or loss.
 
On the account application you must certify that your social security or other
tax payer identification number is correct and that you are not subject to
back-up withholding of Federal income tax. If you do not provide this
information or are otherwise subject to this withholding, the Fund may be
required to withhold 31% of your taxable dividends, and 31% of the proceeds of
redemptions or exchanges.
 
In addition to Federal taxes, you may be subject to state and local taxes with
respect to your investment in and distributions from the Fund. A state income
(and possibly local income and/or intangible property) tax exemption is
generally available to the extent the Fund's distributions are derived from
interest on (or, in the case of intangibles taxes, the value of its assets is
attributable to) certain U.S. Government obligations and/or tax-exempt municipal
obligations issued by or on behalf of the particular state or a political
subdivision thereof, provided in some states that certain thresholds for
holdings of these obligations and/or reporting requirements are satisfied. You
will receive tax information each year showing the percentage of the Fund's
exempt-interest dividends attributable to each state. You should consult your
tax adviser for specific advice.
 
PERFORMANCE
 
Yield reflects the Fund's rate of income on portfolio investments as a
percentage of its share price. Yield is computed by annualizing the result of
dividing the net investment income per share over a 30 day period by the maximum
offering price per share on the last day of that period. Yield is also
calculated according to accounting methods that are standardized for all stock
and bond funds. Because yield accounting methods differ from the methods used
for other accounting purposes, the fund's yield may not equal the income paid on
shares or the income reported in the Fund's financial statements. The Fund may
also utilize tax equivalent yields of its Class A and Class B shares computed in
the same manner, with adjustment for assumed Federal income tax rates. For a
comparison of yields on municipal securities and taxable securities, see the
Taxable Equivalent Yield Table in Appendix A.
 
- -------------------------------------------------------------------------------
                   THE FUND MAY ADVERTISE ITS YIELD AND TOTAL
                   RETURN.
- -------------------------------------------------------------------------------
 
                                       12

<PAGE>
 
The Fund's total return shows the overall dollar or percentage change in value
of a hypothetical investment in the Fund, assuming the reinvestment of all
dividends. Cumulative total return shows the Fund's performance over a period of
time. Average annual total return shows the cumulative return divided over the
number of years included in the period. Because average annual total return
tends to smooth out variations in the Fund's performance, you should recognize
that it is not the same as actual year-to-year results.
 
Both total return and yield calculations for Class A shares generally include
the effect of paying the maximum sales charge (except as shown in "The Fund's
Financial Highlights"). Investments at a lower sales charge would result in
higher performance figures. Total return and yield for Class B shares reflects
the deduction of the applicable CDSC imposed on a redemption of shares held for
the applicable period. All calculations assume that all dividends are reinvested
at net asset value on the reinvestment dates during the periods. The total
return and yield of Class A and Class B shares will be calculated separately
and, because each class is subject to different expenses, the total return may
differ with respect to that class for the same period. The relative performance
of the Class A and Class B shares will be affected by a variety of factors,
including the higher operating expenses attributable to the Class B shares,
whether the Fund's investment performance is better in the earlier or later
portions of the period measured and the level of net assets of the Classes
during the period. The Fund will include the total return of Class A and Class B
shares in any advertisement or promotional materials including Fund performance
data. The value of Fund shares, when redeemed, may be more or less than their
original cost. Both yield and total return are historical calculations, and are
not an indication of future performance. See "Factors to Consider in Choosing an
Alternative."
 
                                       13

<PAGE>
 
HOW TO BUY SHARES
- --------------------------------------------------------------------------------
 
<TABLE>
<S> <C>
    The minimum initial investment is $1,000 ($250 for group investments and
    retirement plans). Complete the Account Application attached to this Prospectus.
    Indicate whether you are purchasing Class A or Class B shares. If you do not
    specify which class of shares you are purchasing, Investor Services will assume
    that you are investing in Class A shares.
</TABLE>
 
- -------------------------------------------------------------------------------
                   OPENING AN ACCOUNT
- -------------------------------------------------------------------------------
 
<TABLE>
<S> <C>           <C>  <C>                                                            
- --------------------------------------------------------------------------------
    BY CHECK      1.   Make your check payable to John Hancock Investor Services
                       Corporation ("Investor Services"), P.O. Box 9115, Boston, MA
                       02205-9115.
                  2.   Deliver the completed application and check to your registered
                       representative, a broker with an agreement with John Hancock
                       Funds ("Selling Broker") or mail it directly to Investor
                       Services.
- --------------------------------------------------------------------------------
    BY WIRE       1.   Obtain an account number by contacting your registered
                       representative or Selling Broker, or by calling 1-800-225-5291.
                  2.   Instruct your bank to wire funds to:
                       First Signature Bank & Trust
                           John Hancock Deposit Account No. 900000260
                           ABA Routing No. 211475000
                           For credit to: John Hancock Tax-Free Bond Fund
                           (Class A or Class B shares)
                           Your Account Number
                           Name(s) under which account is registered
                  3.   Deliver the completed application to your registered
                       representative, Selling Broker or mail it directly to Investor
                       Services.
- --------------------------------------------------------------------------------
                   BUYING ADDITIONAL CLASS A AND CLASS B
                   SHARES
- -------------------------------------------------------------------------------
    MONTHLY       1.   Complete the "Automatic Investing" and "Bank Information"
    AUTOMATIC          sections on the Account Privileges Application designating a
    ACCUMULATION       bank account from which funds may be drawn.
 
    PROGRAM
    (MAAP)        2.   The amount you elect to invest will be withdrawn automatically
                       from your bank or credit union account.

    BY TELEPHONE  1.   Complete the "Invest-By-Phone" and "Bank Information" sections
                       on the Account Privileges Application designating a bank
                       account from which your funds may be drawn. Note that in order
                       to invest by phone, your account must be in a bank or credit
                       union that is a member of the Automated Clearing House system
                       (ACH).
                  2.   After your authorization form has been processed, you may
                       purchase additional Class A or Class B shares by calling
                       Investor Services toll-free 1-800-225-5291.
                  3.   Give the Investor Services representative the name(s) in which
                       your account is registered, the Fund name, the class of shares
                       you own, your account number, and the amount you wish to
                       invest.
                  4.   Your investment normally will be credited to your account the
                       business day following your phone request.
- --------------------------------------------------------------------------------
</TABLE>
 
                                       14

<PAGE>
 
- --------------------------------------------------------------------------------
                   BUYING ADDITIONAL
                   CLASS A AND CLASS B
                   SHARES (CONTINUED)
- -------------------------------------------------------------------------------
<TABLE>
<S> <C>           <C>  <C>                                                            <C>
    BY CHECK      1.   Either complete the detachable stub included on your account
                       statement or include a note with your investment listing the
                       name of the Fund, the class of shares you own, your account
                       number and the name(s) in which the account is registered.
 
- -------------------------------------------------------------------------------
 
                  2.   Make your check payable to John Hancock Investor Services
                       Corporation.
                  3.   Mail the account information and check to:
                        John Hancock Investor Services Corporation
                        P.O. Box 9115
                        Boston, MA 02205-9115
                        or deliver it to your registered representative or
                        Selling Broker.
- ---------------------------------------------------------------------------------
    BY WIRE       Instruct your bank to wire funds to:
                       First Signature Bank & Trust
                           John Hancock Deposit Account No. 900000260
                           ABA Routing No. 211475000
                           For credit to: John Hancock Tax Free-Bond Fund
                           (Class A or Class B shares)
                           Your Account Number
                           Name(s) under which account is registered
- ---------------------------------------------------------------------------------
    Other Requirements: All purchases must be made in U.S. dollars. Checks written on
    foreign banks will delay purchases until U.S. funds are received, and a collection
    charge may be imposed. Shares of the Fund are priced at the offering price based
    on the net asset value computed after Investor Services receives notification of
    the dollar equivalent from the Fund's custodian bank. Wire purchases normally take
    two or more hours to complete and, to be accepted the same day, must be received
    by 4:00 P.M., New York time. Your bank may charge a fee to wire funds. Telephone
    transactions are recorded to verify information. Certificates are not issued
    unless a request is made in writing to Investor Services.
- ---------------------------------------------------------------------------------
                   YOU WILL RECEIVE ACCOUNT STATEMENTS THAT
                   YOU SHOULD KEEP TO HELP WITH YOUR PERSONAL
                   RECORDKEEPING.
- -------------------------------------------------------------------------------
</TABLE>
 
You will receive a statement of your account after any transaction that affects
your share balance or registration (statements related to reinvestment of
dividends and automatic investment/withdrawal plans will be sent to you
quarterly). A tax information statement will be mailed to you by January 31 of
each year.
 
- -------------------------------------------------------------------------------
                   THE OFFERING PRICE OF YOUR SHARES IS THEIR
                   NET ASSET VALUE PLUS A SALES CHARGE, IF
                   APPLICABLE, WHICH WILL VARY WITH THE
                   PURCHASE ALTERNATIVE YOU CHOOSE.
- -------------------------------------------------------------------------------

SHARE PRICE
The net asset value per share ("NAV") is the value of one share. The NAV is
calculated by dividing the net assets of each class by the number of outstanding
shares of that class. The NAV of each class can differ. Securities in the Fund's
portfolio are valued on the basis of market quotations, valuations provided by
independent pricing services or, at fair value as determined in good faith
according to procedures approved by the Trustees. Short-term debt investments
maturing within 60 days are valued at amortized cost which the Board has
determined approximates market value. If quotations are not readily available,
assets are valued by a method that the Trustees believe accurately reflects fair
value.
 
- -------------------------------------------------------------------------------
 
The NAV is calculated once daily as of the close of regular trading on the New
York Stock Exchange (the "Exchange") (generally at 4:00 P.M., New York time) on
each day that the Exchange is open.
 
Shares of the Fund are sold at the offering price based on the NAV computed
after your investment request is received in good order by John Hancock Funds.
If you buy shares of the Fund through a Selling Broker, the Selling Broker must
receive
 
                                       15

<PAGE>
 
your investment before the close of regular trading on the Exchange and transmit
it to John Hancock Funds before its close of business to receive that day's
offering price.
 
INITIAL SALES CHARGE ALTERNATIVE -- CLASS A SHARES.  The offering price you pay
for Class A shares of the Fund equals the NAV plus a sales charge as follows:
 
<TABLE>
<CAPTION>
                                                           COMBINED
                                      SALES CHARGE AS    REALLOWANCE        REALLOWANCE TO
   AMOUNT INVESTED    SALES CHARGE AS A PERCENTAGE OF AND SERVICE FEE AS  SELLING BROKERS AS
   (INCLUDING SALES   A PERCENTAGE OF   THE AMOUNT     A PERCENTAGE OF      A PERCENTAGE OF
       CHARGE)        OFFERING PRICE     INVESTED     OFFERING PRICE(+)  THE OFFERING PRICE(*)
- ------------------------------------- --------------- ------------------ ---------------------
<S>                   <C>             <C>             <C>                <C>
Less than $100,000          4.50%           4.71%            4.00%                3.76%
$100,000 to $249,999        3.75%           3.90%            3.25%                3.01%
$250,000 to $499,999        3.00%           3.09%            2.50%                2.26%
$500,000 to $999,999        2.00%           2.04%            1.75%                1.51%
$1,000,000 and over         0.00%(**)       0.00%(**)       (***)                 0.00%(***)
</TABLE>
 
  (*) Upon notice to Selling Brokers with whom it has sales agreements, John
      Hancock Funds may reallow an amount up to the full applicable sales
      charge. A Selling Broker to whom substantially the entire sales charge is
      reallowed or who receives these incentives may be deemed to be an
      underwriter under the Securities Act of 1933.
 
 (**) No sales charge is payable at the time of purchase in Class A shares of $1
      million or more, but a CDSC may be imposed in the event of certain
      redemption transactions made within one year of purchase.
 
(***) John Hancock Funds may pay a commission and the first year's service fee
      (as described in (+) below) to Selling Brokers who initiate and are
      responsible for purchases of $1 million or more in aggregate as follows:
      1% on sales to $4,999,999, 0.50% on the next $5 million and 0.25% on
      amounts over $10 million.
 
  (+) At the time of sale, John Hancock Funds pays to Selling Brokers the first
      year's service fee in advance in an amount equal to 0.25% of the net
      assets invested in the Fund at the time of the sale. Thereafter, it pays
      the service fee periodically in arrears in an amount up to 0.25% of the
      Fund's average annual net assets. Selling Brokers receive the fee as
      compensation for providing personal and account maintenance services to
      shareholders.
 
Sales charges ARE NOT APPLIED to any dividends that are reinvested in additional
Class A shares of the Fund.
 
John Hancock Funds will pay certain affiliated Selling Brokers at an annual rate
of up to 0.05% of the daily net assets of accounts attributable to these
brokers.
 
Under certain circumstances described below, investors in Class A shares may be
entitled to pay reduced sales charges. See "Qualifying for a Reduced Sales
Charge."
 
CONTINGENT DEFERRED SALES CHARGE -- INVESTMENTS OF $1 MILLION OR MORE IN CLASS A
SHARES. Purchases of $1 million or more of Class A shares will be made at net
asset value with no initial sales charge, but if the shares are redeemed within
12 months after the end of the calendar month in which the purchase was made
 
                                       16

<PAGE>
 
(the CDSC period), a CDSC will be imposed. The rate of the CDSC will depend on
the amount invested as follows:
 
<TABLE>
<CAPTION>
                            AMOUNT INVESTED                             CDSC RATE
- ---------------------------------------------------------------------------------
<S>                                                                     <C>
$1 million to $4,999,999................................................    1.00%
Next $5 million to $9,999,999...........................................    0.50%
Amounts of $10 million and over.........................................    0.25%
</TABLE>
 
Existing full service clients of the Life Company who were group annuity
contract holders as of September 1, 1994 and participant directed defined
contribution plans with at least 100 eligible employees at the inception of the
Fund Account may purchase Class A shares with no initial sales charge. However,
if the shares are redeemed within 12 months after the end of the calendar year
in which the purchase was made, a CDSC will be imposed at the above rate.
 
The CDSC will be assessed on an amount equal to the lesser of the current market
value or the original purchase cost of the Class A shares that have been
redeemed. Accordingly, no CDSC will be imposed on increases in account value
above the initial purchase price, including any distributions which have been
reinvested in additional Class A shares.
 
In determining whether a CDSC applies to a redemption, the calculation will be
determined in a manner that results in the lowest possible rate being charged.
Therefore, it will be assumed that the redemption is first made from any shares
in your account that are not subject to the CDSC. The CDSC is waived on
redemptions in certain circumstances. See "Waiver of Contingent Deferred Sales
Charge" below.

- -------------------------------------------------------------------------------
                   YOU MAY QUALIFY FOR A
                   REDUCED SALES CHARGE ON
                   YOUR INVESTMENT IN
                   CLASS A SHARES.
- -------------------------------------------------------------------------------
 
QUALIFYING FOR A REDUCED SALES CHARGE.  If you invest more than $100,000 in
Class A shares of the Fund or a combination of John Hancock funds (except money
market funds), you may qualify for a reduced sales charge on your investments in
Class A shares through a LETTER OF INTENTION. You may also be able to use the
ACCUMULATION PRIVILEGE and the COMBINATION PRIVILEGE to take advantage of the
value of your previous investments in shares of the John Hancock funds in
meeting the breakpoints for a reduced sales charge. For the ACCUMULATION
PRIVILEGE and COMBINATION PRIVILEGE, the applicable sales charge will be based
on the total of:
 
 
1.  Your current purchase of Class A shares of the Fund;
 
2.  The net asset value (at the close of business on the previous day) of (a)
    all Class A shares of the Fund you hold, and (b) all Class A shares of any
    other John Hancock funds you hold; and
 
3.  The net asset value of all shares held by another shareholder eligible to
    combine his or her holdings with you into a single "purchase."
 
EXAMPLE:
If you hold Class A shares of a John Hancock fund with a net asset value of
$80,000 and, subsequently, invest $20,000 in Class A shares of the Fund, the
sales charge on this subsequent investment would be 3.75% and not 4.50%. This
 
                                       17

<PAGE>
- -------------------------------------------------------------------------------
                   CLASS A SHARES MAY BE AVAILABLE WITHOUT A
                   SALES CHARGE TO CERTAIN INDIVIDUALS AND
                   ORGANIZATIONS.
- -------------------------------------------------------------------------------
 
is the rate that would otherwise be applicable to investments of less than
$100,000. See "Initial Sales Charge alternative -- Class A Shares."
 
If you are in one of the following categories, you may purchase Class A shares
of the Fund without paying a sales charge:
 
- - A Trustee or officer of the Fund; a Director or officer of the Adviser and its
  affiliates or Selling Brokers; employees or sales representatives of any of
  the foregoing; retired officers, employees or Directors of any of the
  foregoing; a member of the immediate family of any of the foregoing; or any
  Fund, pension, profit sharing or other benefit plan for the individuals
  described above.
 
 
- - Any state, county, city or any instrumentality, department, authority, or
  agency of these entities that is prohibited by applicable investment laws from
  paying a sales charge or commission when it purchases shares of any registered
  investment management company.*
 
- - A bank, trust company, credit union, savings institution or other types of
  depository institution, its trust departments or common trust funds if it is
  purchasing $1 million or more for non-discretionary customers or accounts.*
 
- - A broker, dealer, financial planner, consultant or registered investment
  adviser that has entered into an agreement with John Hancock Funds providing
  specifically for the use of Fund shares in fee-based investment products or
  services made available to their clients.
 
- - A former participant in an employee benefit plan with John Hancock funds, when
  he or she withdraws from his or her plan and transfers any or all of his/her
  plan distributions directly to the Fund.
 
- - A member of an approved affinity group financial services plan.*
- ------------------
*For investments made under these provisions, John Hancock Funds may make a
payment out of its own resources to the Selling Broker in an amount not to
exceed 0.25% of the amount invested.
 
Class A shares of the Fund may be purchased without an initial sales charge in
connection with certain liquidation, merger or acquisition transactions
involving other investment companies or personal holding companies.
 
CONTINGENT DEFERRED SALES CHARGE ALTERNATIVE -- CLASS B SHARES.  Class B shares
are offered at net asset value per share without an initial sales charge so that
your entire investment will go to work at the time of purchase. However, Class B
shares redeemed within six years of purchase will be subject to a CDSC at the
rates set forth below. The charge will be assessed on an amount equal to the
lesser of the current market value or the original purchase cost of the shares
being redeemed. Accordingly, you will not be assessed a CDSC on increases in
account value above the initial purchase price, including shares derived from
dividend reinvestment.
 
In determining whether a CDSC applies to a redemption, the calculation will be
determined in a manner that results in the lowest possible rate being charged.
It will be assumed that your redemption comes first from shares you have held
 
                                       18

<PAGE>
 
beyond the six-year CDSC redemption period or those you acquired through
reinvestment of dividends and next from the shares you have held the longest
during the six-year period. The CDSC is waived on redemptions in certain
circumstances. See the discussion "Waiver of Contingent Deferred Sales Charges"
below.
 
EXAMPLE:
 
You have purchased 100 shares at $10 per share. The second year after your
purchase, your investment's net asset value per share has increased by $2 to
$12, and you have gained 10 additional shares through dividend reinvestment. If
you redeem 50 shares at this time, your CDSC will be calculated as follows:
 
<TABLE>
<S>                                                                         <C>
- - Proceeds of 50 shares redeemed at $12 per share                           $  600
- - Minus proceeds of 10 shares not subject to CDSC because they were
  acquired through dividend reinvestment (10 X $12)                           -120
- - Minus appreciation on remaining shares, also not subject to CDSC (40 X
  $2)                                                                         - 80
                                                                            ------
- - Amount subject to CDSC                                                    $  400
</TABLE>
 
Proceeds from the CDSC are paid to John Hancock Funds. John Hancock Funds uses
them to defray its expenses related to providing the Fund with distribution
services connected to the sale of Class B shares, such as compensating Selling
Brokers for selling these shares. The combination of the CDSC and the
distribution and service fees makes it possible for the Fund to sell Class B
shares without an initial sales charge.
 
The amount of the CDSC, if any, will vary depending on the number of years from
the time you purchase your Class B shares until the time you redeem them. Solely
for the purposes of determining the holding period, any payments you make during
the month will be aggregated and deemed to have been made on the last day of the
month.
 
<TABLE>
<CAPTION>
                     YEAR IN WHICH
                    CLASS B SHARES                       CONTINGENT DEFERRED SALES
                  REDEEMED FOLLOWING                     CHARGE AS A PERCENTAGE OF
                       PURCHASE                        DOLLAR AMOUNT SUBJECT TO CDSC
- ------------------------------------------------------------------------------------
<S>                                                    <C>
First                                                               5.0%
Second                                                              4.0%
Third                                                               3.0%
Fourth                                                              3.0%
Fifth                                                               2.0%
Sixth                                                               1.0%
Seventh and thereafter                                              None
</TABLE>
 
A commission equal to 3.75% of the amount invested and a first year's service
fee equal to 0.25% of the amount invested are paid to Selling Brokers. The
initial service fee is paid in advance at the time of sale for the provision of
personal and account maintenance services to shareholders during the twelve
months following the sale, and thereafter the service fee is paid in arrears.
 
                                       19

<PAGE>
 
- -------------------------------------------------------------------------------
                   UNDER CERTAIN CIRCUMSTANCES, THE CDSC
                   ON CLASS B AND CERTAIN
                   CLASS A SHARE REDEMPTIONS WILL BE WAIVED.
- -------------------------------------------------------------------------------
 
WAIVER OF CONTINGENT DEFERRED SALES CHARGES.  The CDSC will be waived on
redemptions of Class B shares and of Class A shares that are subject to a CDSC,
unless indicated otherwise, in these circumstances:
 
- - Redemptions of Class B shares made under Systematic Withdrawal Plan (see "How
  to Redeem Shares"), as long as your annual redemptions do not exceed 10% of
  your account value at the time you establish your Systematic Withdrawal Plan
  and 10% of the value of your subsequent investments (less redemptions) in that
  account at the time you notify Investor Services. This waiver does not apply
  to Systematic Withdrawal Plan redemptions of Class A shares that are subject
  to a CDSC.
 
- - Redemptions made to effect distributions from an Individual Retirement Account
  either before or after age 59 1/2, as long as the distributions are based on
  the life expectancy of the joint-and-last survivor life expectancy of you and
  your beneficiary. These distributions must be free from penalty under the
  Code.
 
- - Redemptions made to effect mandatory distributions under the Code after age
  70 1/2 from a tax-deferred retirement plan.
 
- - Redemptions made to effect distributions to participants or beneficiaries from
  certain employer-sponsored retirement plans including those qualified under
  Section 401(a) of the Code, custodial accounts under Section 403(b)(7) of the
  Code and deferred compensation plans under Section 457 of the Code. The waiver
  also applies to certain returns of excess contributions made to these plans.
  In all cases, the distributions must be free from penalty under the Code.
 
- - Redemptions due to death or disability.
 
- - Redemptions made under the Reinvestment Privilege, as described in "Additional
  Services and Programs" of this Prospectus.
 
- - Redemptions made pursuant to the Fund's right to liquidate your account if you
  have less than $100 invested in the Fund.
 
- - Redemptions made in connection with certain liquidation, merger or acquisition
  transactions involving other investment companies or personal holding
  companies.
 
- - Redemptions from certain IRA and retirement plans that purchased shares prior
  to October 1, 1992.
 
If you qualify for a CDSC waiver under one of these situations, you must notify
Investor Services either directly or through your Selling Broker at the time you
make your redemption. The waiver will be granted once Investor Services has
confirmed that you are entitled to the waiver.
 
CONVERSION OF CLASS B SHARES.  Your Class B shares and an appropriate portion of
reinvested dividends on those shares will be converted into Class A shares
automatically. This will occur no later than the month following eight years
after the shares were purchased, and will result in lower annual distribution
fees. If you exchanged Class B shares into this Fund from another John Hancock
fund, the
 
                                       20

<PAGE>
 
calculation will be based on the time you purchased the shares in the original
fund. The Fund has been advised that the conversion of Class B shares to Class A
shares should not be taxable for Federal income tax purposes and should not
change your tax basis or tax holding period for the converted shares.
 
- -------------------------------------------------------------------------------
                   TO ASSURE ACCEPTANCE OF YOUR REDEMPTION
                   REQUEST, PLEASE FOLLOW THESE PROCEDURES.
- -------------------------------------------------------------------------------
 
HOW TO REDEEM SHARES
You may redeem all or a portion of your shares on any business day. Your shares
will be redeemed at the next NAV calculated after your redemption request is
received in good order by Investor Services, less any applicable CDSC. The Fund
may hold payment until it is reasonably satisfied that investments recently made
by check or Invest-by-Phone have been collected (which may take up to 10
calendar days).
 
Once your shares are redeemed, the Fund generally sends you payment on the next
business day. When you redeem your shares, you may realize a taxable gain or
loss depending usually on the difference between what you paid for them and what
you receive for them, subject to certain tax rules. Under unusual circumstances,
the Fund may suspend redemptions or postpone payment for up to three business
days or longer, as permitted by Federal securities laws.
 
                                       21

<PAGE>
 
- --------------------------------------------------------------------------------
 
<TABLE>
<S> <C>                  <C>                                                        <C>
    BY TELEPHONE         All Fund shareholders are eligible automatically for the
                         telephone redemption privilege. Call 1-800-225-5291, from
                         8:00 A.M. to 4:00 P.M. (New York time), Monday through
                         Friday, excluding days on which the Exchange is closed.
                         Investor Services employs the following procedures to
                         confirm that instructions received by telephone are
                         genuine. Your name, the account number, taxpayer
                         identification number applicable to the account and other
                         relevant information may be requested. In addition,
                         telephone instructions are recorded.
                         You may redeem up to $100,000 by telephone, but the address
                         on the account must not have changed for the last thirty
                         days. A check will be mailed to the exact name(s) and
                         address shown on the account.
                         If reasonable procedures, such as those described above,
                         are not followed, the Fund may be liable for any loss due
                         to unauthorized or fraudulent telephone instructions. In
                         all other cases, neither the Fund nor Investor Services
                         will be liable for any loss or expense for acting upon
                         telephone instructions made according to the telephone
                         transaction procedures mentioned above.
                         Telephone redemption is not available for IRAs or other
                         tax-qualified retirement plans or shares of the Fund that
                         are in certificated form.
                         During periods of extreme economic conditions or market
                         changes, telephone requests may be difficult to implement
                         due to a large volume of calls. During these times, you
                         should consider placing redemption requests in writing or
                         use EASI-Line. EASI-Line's telephone number is
                         1-800-338-8080.
- ---------------------------------------------------------------------------------
    BY WIRE              If you have a telephone redemption form on file with the
                         Fund, redemption proceeds of $1,000 or more can be wired on
                         the next business day to your designated bank account, and
                         a fee (currently $4.00) will be deducted. You may also use
                         electronic funds transfer to your assigned bank account,
                         and the funds are usually collectible after two business
                         days. Your bank may or may not charge a fee for this
                         service. Redemptions of less than $1,000 will be sent by
                         check or electronic funds transfer.
                         This feature may be elected by completing the "Telephone
                         Redemption" section on the Account Privileges Application
                         included with this Prospectus.
- ---------------------------------------------------------------------------------
    IN WRITING           Send a stock power or "letter of instruction" specifying
                         the name of the Fund, the dollar amount or the number of
                         shares to be redeemed, your name, class of shares, your
                         account number and the additional requirements listed below
                         that apply to your particular account.
- ---------------------------------------------------------------------------------
</TABLE>
 
                                       22

<PAGE>
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
          TYPE OF REGISTRATION                          REQUIREMENTS
          --------------------                          ------------
<S> <C>                                 <C> 
    Individual, Joint Tenants, Sole     A letter of instruction signed (with 
      Proprietorship, Custodial         titles where applicable) by all 
      (Uniform Gifts or Transfer to     persons authorized to sign for the 
      Minors Act), General Partners     account, exactly as it is registered 
                                        with the signature(s) guaranteed. 
    Corporation, Association            A letter of instruction and a corporate
                                        resolution, signed by person(s) 
                                        authorized to act on the account with 
                                        the signature(s) guaranteed.
    Trusts                              A letter of instruction signed by the
                                        trustee(s) with the signature(s) 
                                        guaranteed. (If the Trustee's name is 
                                        not registered on your account, also 
                                        provide a copy of the trust document, 
                                        certified within the last 60 days.
    If you do not fall into any of these registration categories, please call
    1-800-225-5291 for further instructions.
- --------------------------------------------------------------------------------
                   WHO MAY GUARANTEE YOUR SIGNATURE.
- -------------------------------------------------------------------------------
    A signature guarantee is a widely accepted way to protect you and the Fund
    by verifying the signature on your request. It may not be provided by a 
    notary public. If the net asset value of the shares redeemed is $100,000 
    or less, John Hancock Funds may guarantee the signature. The following 
    institutions may provide you with a signature guarantee, provided that the
    institution meets credit standards established by Investor Services: (i) a
    bank; (ii) a securities broker or dealer, including a government or 
    municipal securities broker or dealer, that is a member of a clearing 
    corporation or meets certain net capital requirements; (iii) a credit union
    having authority to issue signature guarantees; (iv) a savings and loan 
    association, a building and loan association, a cooperative bank, a federal 
    savings bank or association; or (v) a national securities exchange, a 
    registered securities exchange or a clearing agency.
 
- -------------------------------------------------------------------------------
                   ADDITIONAL INFORMATION ABOUT REDEMPTIONS.
- -------------------------------------------------------------------------------
    THROUGH YOUR BROKER.  Your broker may be able to initiate the redemption.
    Contact your broker for instructions.
 
- -------------------------------------------------------------------------------
 
- --------------------------------------------------------------------------------
    If you have certificates for your shares, you must submit them with your 
    stock power or a letter of instructions. Unless you specify to the contrary,
    any outstanding Class A shares will be redeemed before Class B shares. You
    may not redeem certificated shares by telephone.

    Due to the proportionately high cost of maintaining small accounts, the Fund
    reserves the right to redeem at net asset value all shares in an account 
    which holds less than $100 (except accounts under retirement plans) and to
    mail the proceeds to the shareholder, or the transfer agent may impose an 
    annual fee of $10.00. No account will be involuntarily redeemed or 
    additional fee imposed, if the value of the account is in excess of the 
    Fund's minimum initial investment or if the value of the account falls 
    below the required minimum as a result of market action. No CDSC will be 
    imposed on involuntary redemptions of shares. 

    Shareholders will be notified  before these redemptions are to be made
    or this fee is imposed, and will  have 30 days to purchase additional
    shares to bring their account balance  up to the required minimum. Unless
    the number of shares acquired by further purchases and dividend
    reinvestments, if any, exceeds the number of shares redeemed, repeated
    redemptions from a smaller account may eventually  trigger this policy.
- ---------------------------------------------------------------------------------
</TABLE>
 
                                       23

<PAGE>
 
- -------------------------------------------------------------------------------
                   YOU MAY EXCHANGE SHARES OF THE FUND ONLY
                   FOR SHARES OF THE SAME CLASS OF ANOTHER
                   JOHN HANCOCK FUND.
- -------------------------------------------------------------------------------
 
ADDITIONAL SERVICES AND PROGRAMS
 
EXCHANGE PRIVILEGE
 
If your investment objective changes, or if you wish to achieve further
diversification, John Hancock offers other funds with a wide range of investment
goals. Contact your registered representative or Selling Broker and request a
prospectus for the John Hancock funds that interest you. Read the prospectus
carefully before exchanging your shares. You can exchange shares of each class
of the Fund only for shares of the same class of another John Hancock fund. For
this purpose, John Hancock funds with only one class of shares will be treated
as Class A, whether or not they have been so designated.
 
Exchanges between funds with shares that are not subject to a CDSC are based on
their respective net asset values. No sales charge or transaction charge is
imposed. Class B shares of the Fund that are subject to a CDSC may be exchanged
into Class B shares of another John Hancock fund without incurring the CDSC;
however, these shares will be subject to the CDSC schedule of the shares
acquired (except that exchanges into John Hancock Short-Term Strategic Income
Fund, John Hancock Limited-Term Government Fund and John Hancock Intermediate
Maturity Government Fund will be subject to the initial fund's CDSC). For
purposes of computing the CDSC payable upon redemption of shares acquired in an
exchange, the holding period of the original shares is added to the holding
period of the shares acquired in an exchange. However, if you exchange Class B
shares purchased prior to January 1, 1994 for Class B shares of any other John
Hancock fund, you will continue to be subject to the CDSC schedule in effect on
your initial purchase date.
 
The Fund reserves the right to require you to keep previously exchanged shares
(and reinvested dividends) in the Fund for 90 days before you are permitted a
new exchange. The Fund may also terminate or alter the terms of the exchange
privilege, upon 60 days' notice to shareholders.
 
An exchange of shares is treated as a redemption of shares of one fund and the
purchase of shares of another for Federal income tax purposes. An exchange may
result in a taxable gain or loss.
 
When you make an exchange, your account registration in both the existing and
new account must be identical. The exchange privilege is available only in
states where the exchange can be made legally.
 
Under exchange agreements with John Hancock Funds, certain dealers, brokers and
investment advisers may exchange their clients' Fund shares, subject to the
terms of those agreements and John Hancock Funds' right to reject or suspend
those exchanges at any time. Because of the restrictions and procedures under
those agreements, the exchanges may be subject to timing limitations and other
restrictions that do not apply to exchanges requested by shareholders directly,
as described above.
 
Because Fund performance and shareholders can be hurt by excessive trading, the
Fund reserves the right to terminate the exchange privilege for any person or
group
 
                                       24

<PAGE>
 
that, in John Hancock Funds' judgment, is involved in a pattern of exchanges
that coincide with a "market timing" strategy that may disrupt the Fund's
ability to invest effectively according to its investment objective and
policies, or might otherwise affect the Fund and its shareholders adversely. The
Fund may also temporarily or permanently terminate the exchange privilege for
any person who makes seven or more exchanges out of the Fund per calendar year.
Accounts under common control or ownership will be aggregated for this purpose.
Although the Fund will attempt to give prior notice whenever it is reasonably
able to do so, it may impose these restrictions at any time.
 
BY TELEPHONE
 
1. When you complete the application for your initial purchase of Fund shares,
   you automatically authorize exchanges by telephone unless you check the box
   indicating that you do not wish to authorize telephone exchanges.
 
2. Call 1-800-225-5291. Have the account number of your current fund and the
   exact name in which it is registered available to give to the telephone
   representative.
 
3. Investor Services employs the following procedures to confirm that
   instructions received by telephone are genuine. Your name, the account
   number, taxpayer identification number applicable to the account and other
   relevant information may be requested. In addition, telephone instructions
   are recorded.
 
IN WRITING
 
1. In a letter, request an exchange and list the following:
 
   -- the name and class of the Fund whose shares you currently own
   -- your account number
   -- the name(s) in which the account is registered
   -- the name of the fund in which you wish your exchange to be invested
   -- the number of shares, all shares or dollar amount you wish to exchange
 
   Sign your request exactly as the account is registered.
 
2. Mail the request and information to:
 
   John Hancock Investor Services Corporation
   P.O. Box 9116
   Boston, Massachusetts 02205-9116
 
                                       25

<PAGE>
 
REINVESTMENT PRIVILEGE
1. You will not be subject to a sales charge on Class A shares that you reinvest
   in John Hancock funds that are otherwise subject to a sales charge, as long
   as you reinvest within 120 days from the redemption date. If you paid a CDSC
   upon a redemption, you may reinvest at net asset value in the same class of
   shares from which you redeemed within 120 days. Your account will be credited
   with the amount of the CDSC previously charged, and the reinvested shares
   will continue to be subject to a CDSC. The holding period of the shares
   acquired through reinvestment, for purposes of computing the CDSC payable
   upon a subsequent redemption, will include the holding period of the redeemed
   shares.
 
- -------------------------------------------------------------------------------
                   IF YOU REDEEM SHARES OF THE FUND, YOU MAY
                   BE ABLE TO REINVEST ALL OR PART OF THE
                   PROCEEDS IN SHARES OF THIS FUND OR ANOTHER
                   JOHN HANCOCK FUND WITHOUT PAYING AN
                   ADDITIONAL SALES CHARGE.
- -------------------------------------------------------------------------------
2. Any portion of your redemption may be reinvested in Fund shares or in shares
   of any of the other John Hancock funds, subject to the minimum investment
   limit of that fund.
3. To reinvest, you must notify Investor Services in writing. Include the Fund's
   name, the account number and class from which your shares were originally
   redeemed.
 
SYSTEMATIC WITHDRAWAL PLAN
1. You can elect the Systematic Withdrawal Plan at any time by completing the
   Account Privileges Application which is attached to this Prospectus. You can
   also obtain this application from your registered representative or by
   calling 1-800-225-5291.
2. To be eligible, you must have at least $5,000 in your account.
 
- -------------------------------------------------------------------------------
                   YOU CAN PAY ROUTINE BILLS FROM YOUR
                   ACCOUNT, OR MAKE PERIODIC DISBURSEMENTS OF
                   FUNDS FROM YOUR RETIREMENT ACCOUNT TO
                   COMPLY WITH IRS REGULATIONS.
- -------------------------------------------------------------------------------
3. Payments from your account can be made monthly, quarterly, semi-annually or
   annually or on a selected monthly basis to yourself or any other designated
   payee.
4. There is no limit on the number of payees you may authorize, but all payments
   must be made at the same time or intervals.
5. It is not advantageous to maintain a Systematic Withdrawal Plan concurrently
   with purchases of additional Class A or Class B shares, because you may be
   subject to initial sales charges on your purchases of Class A shares or to a
   CDSC on your redemptions of Class B shares. In addition, your redemptions are
   taxable events.
6. Redemptions will be discontinued if the U.S. Postal Service cannot deliver
   your checks or if deposits to a bank account are returned for any reason.
 
MONTHLY AUTOMATIC ACCUMULATION PROGRAM (MAAP)
1. You can authorize an investment to be withdrawn automatically each month from
   your bank, for investment in the Fund shares under the "Automatic Investing"
   and "Bank Information" sections of the Account Privileges Application.
 
- -------------------------------------------------------------------------------
                   YOU CAN MAKE AUTOMATIC INVESTMENTS AND
                   SIMPLIFY YOUR INVESTING.
- -------------------------------------------------------------------------------
 
                                       26

<PAGE>
 
2. You can also authorize automatic investment through payroll deduction by
   completing the "Direct Deposit Investing" section of the Account Privileges
   Application.
 
3. You can terminate your Monthly Automatic Accumulation Program plan at any
   time.
 
4. There is no charge to you for this program, and there is no cost to the Fund.
 
5. If you have payments withdrawn from a bank account and we are notified that
   the account has been closed, your withdrawals will be discontinued.
 
GROUP INVESTMENT PROGRAM
 
1. An individual account will be established for each participant, but the
   initial sales charge for Class A shares will be based on the aggregate dollar
   amount of all participants' investments. To determine how to qualify for this
   program, contact your registered representative or call 1-800-225-5291.
 
- -------------------------------------------------------------------------------
                   ORGANIZED GROUPS OF AT LEAST FOUR PERSONS
                   MAY ESTABLISH ACCOUNTS.
- -------------------------------------------------------------------------------
 
2. The initial aggregate investment of all participants in the group must be at
   least $250.
 
3. There is no additional charge for this program. There is no obligation to
   make investments beyond the minimum, and you may terminate the program at any
   time.
 
INVESTMENTS, TECHNIQUES AND RISK FACTORS

RESTRICTED AND ILLIQUID SECURITIES.  The Fund may invest up to 10% of its net
assets in illiquid investments, which include repurchase agreements maturing in
more than seven days, restricted securities and securities not readily
marketable. The Fund may also invest up to 10% of its assets in restricted
securities eligible for resale to certain institutional investors pursuant to
Rule 144A under the Securities Act of 1933. To the extent that the Fund's
holdings of participation interests, COPs and inverse floaters are determined to
be illiquid, such holdings will be subject to the 10% restriction on illiquid
investments.
 
LENDING OF SECURITIES AND REPURCHASE AGREEMENTS.  For the purpose of realizing
additional (taxable) income, the Fund may lend to broker-dealers portfolio
securities amounting to not more than 33% of its total assets taken at current
value or may enter into repurchase agreements. In a repurchase agreement, the
Fund buys a security subject to the right and obligation to sell it back to the
issuer at the same price plus accrued interest. These transactions must be fully
collateralized at all times. The Fund may reinvest any cash collateral in
short-term highly liquid debt securities. However, they may involve some credit
risk to the Fund if the other party should default on its obligation and the
Fund is delayed in or prevented from recovering the collateral. Securities
loaned by the Fund will remain subject to fluctuations of market value.
 
WHEN-ISSUED AND FORWARD COMMITMENT SECURITIES.  The Fund may purchase securities
on a forward or "when-issued" basis and may purchase or sell securities
 
                                       27

<PAGE>
 
on a forward commitment basis to hedge against anticipated changes in interest
rates and prices. When the Fund engages in such transactions, it relies on the
seller or the buyer, as the case may be, to consummate the transaction. Failure
to consummate the transaction may result in the Fund's losing the opportunity to
obtain an advantageous price and yield. If the Fund chooses to dispose of the
right to acquire a when-issued security prior to its acquisition or dispose of
its right to deliver or receive against a forward commitment, it can incur a
taxable gain or a loss.
 
SHORT TERM TRADING AND PORTFOLIO TURNOVER.  Short-term trading means the
purchase and subsequent sale of a security after it has been held for a
relatively brief period of time. Short term trading may have the effect of
increasing portfolio turnover and may increase net short-term capital gains,
distributions from which would be taxable to shareholders as ordinary income.
The Fund does not intend to invest for the purpose of seeking short-term
profits. The Fund's portfolio securities may be changed, however, without regard
to the holding period of these securities (subject to certain tax restrictions),
when the Adviser deems that this action will help achieve the Fund's objective
given a change in an issuer's operations or changes in general market
conditions. The Fund's portfolio turnover rate is set forth in the table under
the caption "Financial Highlights."
 
OPTIONS AND FUTURES TRANSACTIONS.  The Fund may buy and sell options contracts
on securities and debt security indices, interest rate and municipal bond index
futures contracts and options on such futures contracts. Options and futures
contracts are bought and sold to manage the Fund's exposure to changing interest
rates and security prices. Some options and futures strategies, including
selling futures, buying puts and writing calls, tend to hedge a Fund's
investment against price fluctuations. Other strategies, including buying
futures, writing puts, and buying calls, tend to increase market exposure.
Options and futures may be combined with each other or with forward contracts in
order to adjust the risk and return characteristics of the overall strategy. The
Fund may invest in options and futures based on debt securities and municipal
bond indices (securities indices).
 
Options and futures can be volatile investments and involve certain risks. If
the Adviser applies a hedge at an inappropriate time or judges market conditions
incorrectly, options and futures strategies may lower the Fund's return. The
Fund could also experience losses if the prices of its options and futures
positions were poorly correlated with its other investments, or if it could not
close out its positions because of an illiquid secondary market. Options and
futures do not pay interest, but may produce taxable capital gains or losses.
 
The Fund will not engage in a transaction in futures or options on futures if,
immediately thereafter, the sum of initial margin deposits and premiums required
to establish positions in futures contracts and options on futures would exceed
5% of the Fund's net assets. The loss incurred by the Fund investing in futures
contracts and in writing options on futures is potentially unlimited and may
exceed the amount of any premium received. The Fund's transactions in options
and futures contracts may be limited by the requirements of the Code for
qualification as a regulated investment company. See the Statement of Additional
Information
 
                                       28

<PAGE>
 
for further discussion of options and futures transactions, including tax
effects and investment risks.
 
MUNICIPAL LEASE OBLIGATIONS.  The Fund may purchase participation interests
which give the Fund an undivided pro rata interest in the tax exempt security.
For certain participation interests, the Fund will have the right to demand
payment, on a specified number of days' notice for all or any part of the Fund's
participation interest in the tax exempt security plus accrued interest.
Participation interests, which are determined to be not readily marketable, will
be considered illiquid for purposes of the Fund's 10% restriction on investment
in securities.
 
The Fund may also invest in Certificates of Participation ("COP's") which
provide participation interests in lease revenues. Each COP represents a
proportionate interest in or right to the lease-purchase payment made under
municipal lease obligations or installment sales contracts. Municipal lease
obligations are issued by a state or municipal financing authority to provide
funds for the construction of facilities (e.g., schools, dormitories, office
buildings or prisons) or the acquisition of equipment. Certain municipal lease
obligations may trade infrequently. Accordingly, COPs will be purchased and
monitored pursuant to analysis by the Adviser and reviewed according to
procedures by the Board of Trustees which consider various factors in
determining the liquidity risk. COPs will not be considered illiquid for
purposes of the Fund's 10% limitation on illiquid securities provided the
Adviser determines that there is a readily available market for such securities.
An investment in COPs is subject to the risk that a municipality may not
appropriate sufficient funds to meet payments on the underlying lease
obligation. See the Statement of Additional Information for additional
discussion of participation interests and municipal lease obligations.
 
DERIVATIVE INSTRUMENTS.  The Fund may purchase or enter into derivative
instruments to enhance return, to hedge against fluctuations in interest rates
or securities prices, to change the duration of the Fund's fixed income
portfolio or as a substitute for the purchase or sale of securities. The Fund's
investments in derivative securities may include certain floating rate and
indexed securities. The Fund's transactions in derivative contracts may include
the purchase or sale of futures contracts on securities or indices; options on
futures contracts; and options on securities or indices. All of the Funds'
transactions in derivative instruments involve a risk of loss or depreciation
due to unanticipated adverse changes in interest rates or securities prices. The
loss on derivative contracts may exceed the Fund's initial investment in these
contracts. In addition, the Fund may lose the entire premium paid for purchased
options that expire before they can be profitably exercised by the Fund. The
Fund may realize taxable income or gain from its transactions in derivative
contracts, distributions of which will be taxable to shareholders.
 
INDEXED SECURITIES.  The Fund may invest in indexed securities, including
floating rate securities that are subject to a maximum interest rate ("capped
floaters") and leveraged inverse floating rate securities ("inverse floaters")
(up to 10% of the Fund's total assets). The interest rate or, in some cases, the
principal payable at the maturity of an indexed security may change positively
or inversely in relation to
 
                                       29

<PAGE>
 
one or more interest rates, financial indices or other financial indicators
("reference prices"). An indexed security may be leveraged to the extent that
the magnitude of any change in the interest rate or principal payable on an
indexed security is a multiple of the change in the reference price. Thus,
indexed securities may decline in value due to adverse market changes in
interest rates or other reference prices.
 
RISKS ASSOCIATED WITH DERIVATIVE SECURITIES AND CONTRACTS.  The risks associated
with the Fund's transactions in derivative securities and contracts may include
some or all of the following:
Market Risk.  Investments in floating rate and indexed securities are subject to
the interest rate and other market risks described above. Entering into a
derivative contract involves a risk that the applicable market will move against
the Fund's position and that the Fund will incur a loss. For derivative
contracts other than purchased options, this loss may exceed the amount of the
initial investment made or the premium received by the Fund.
Leverage and Volatility Risk.  Derivative instruments may sometimes increase or
leverage the Fund's exposure to a particular market risk. Leverage enhances the
price volatility of derivative instruments held by the Fund. The Fund may
partially offset the leverage inherent in derivative contracts by maintaining a
segregated account consisting of cash and liquid, high grade debt securities, by
holding offsetting portfolio securities or contracts or by covering written
options.
Correlation Risk.  A Fund's success in using derivative instruments to hedge
portfolio assets depends on the degree of price correlation between the
derivative instrument and the hedged asset. Imperfect correlation may be caused
by several factors, including temporary price disparities among the trading
markets for the derivative instrument, the assets underlying the derivative
instrument and the Fund's portfolio assets.
Credit Risk.  Derivative securities and over-the-counter derivative contracts
involve a risk that the issuer or counterparty will fail to perform its
contractual obligations.
Liquidity and Valuation Risk.  Some derivative securities are not readily
marketable or may become illiquid under adverse market conditions. In addition,
during periods of extreme market volatility, a commodity or exchange may suspend
or limit trading in an exchange-traded derivative contract, which may make the
contract temporarily illiquid and difficult to price. The staff of the SEC takes
the position that certain over-the-counter options are subject to the Fund's 10%
limit on illiquid investments. The Fund's ability to terminate over-the-counter
derivative contracts may depend on the cooperation of the counterparties to such
contracts. For thinly traded derivative securities and contracts, the only
source of price quotations may be the selling dealer or counterparty.
 
                                       30

<PAGE>
 
                                   APPENDIX A
                               EQUIVALENT YIELDS:
                          TAX EXEMPT VS. TAXABLE YIELD
 
  The table below shows the effect of the tax status of municipal obligations on
the yield received by their holders under the regular federal income tax laws
that apply to 1996. It gives the approximate yield a taxable security must earn
at various income brackets to produce after-tax yields.
 
                         TAX-FREE YIELDS 1996 TAX TABLE
 
<TABLE>
<CAPTION>
                       JOINT RETURN                                                TAX-EXEMPT YIELD
                     ----------------      MARGINAL     ----------------------------------------------------------------------
 SINGLE RETURN                            INCOME TAX
- ----------------
                                             RATE
                                          ----------
          (TAXABLE INCOME)                                4%        5%        6%        7%         8%         9%         10%
- -------------------------------------
<S>                  <C>                  <C>           <C>       <C>       <C>       <C>        <C>        <C>        <C>
                                                        ---------------------------------------------------------------
$       0-24,000     $       0-40,100       15.0%        4.71%     5.88%     7.06%      8.24%      9.41%     10.59%     11.76%
$  24,001-58,150     $  40,101-96,900       28.0%        5.56%     6.94%     8.33%      9.72%     11.11%     12.50%     13.89%
$ 58,151-121,300     $ 96,901-147,700       31.0%        5.80%     7.25%     8.70%     10.14%     11.59%     13.04%     14.49%
$121,301-263,750     $147,701-263,750       36.0%        6.25%     7.81%     9.38%     10.94%     12.50%     14.06%     15.63%
   Over $263,750        Over $263,750       39.6%        6.62%     8.28%     9.93%     11.59%     13.25%     14.90%     16.56%
</TABLE>
 
It is assumed that an investor filing a single return is not a "head of
household," a "married individual filing a separate return," or a "surviving
spouse." The table does not take into account the effects of reductions in the
deductibility of itemized deductions or the phaseout of personal exemptions for
taxpayers with adjusted gross incomes in excess of specified amounts. Further,
the table does not attempt to show any alternative minimum tax consequences,
which will depend on each shareholder's particular tax situation and may vary
according to what portion, if any, of the Fund's exempt-interest dividends is
attributable to interest on certain private activity bonds for any particular
taxable year. No assurance can be given that the Fund will achieve any specific
tax-exempt yield or that all of its income distributions will be tax-exempt.
Distributions attributable to any taxable income or capital gains realized by
the Fund will not be tax-exempt.
 
The information set forth above is as of the date of this Prospectus. Subsequent
tax law changes could result in prospective or retroactive changes in the tax
brackets, tax rates, and tax-equivalent yields set forth above.
 
This table is for illustrative purposes only and is not intended to imply or
guarantee any particular yield from the John Hancock High Yield Tax-Free Fund.
While it is expected that a substantial portion of the interest income
distributed to the Fund's shareholders will be exempt from federal income taxes,
portions of such distributions from time to time may be subject to federal
income taxes.
 
                                       A-1

<PAGE>
 
                                   APPENDIX B
            DESCRIPTION OF BOND RATINGS AND FUND'S ASSET COMPOSITION
 
  The ratings of Moody's Investors Service, Inc. and Standard & Poor's Ratings
Group represent their opinions as to the quality of various debt instruments
they undertake to rate. It should be emphasized that ratings are not absolute
standards of quality. Consequently, debt instruments with the same maturity,
coupon and rating may have different yields while debt instruments of the same
maturity and coupon with different ratings may have the same yield.
 
MOODY'S INVESTORS SERVICE, INC.
  Aaa:  Bonds which are rated Aaa are judged to be of the best quality. They
carry the smallest degree of investment risk and are generally referred to as
"gilt edge." Interest payments are protected by a large or by an exceptionally
stable margin and principal is secure. While the various protective elements are
likely to change, such changes as can be visualized are most unlikely to impair
the fundamentally strong position of such issues.
 
  Aa:  Bonds which are rated Aa are judged to be of high quality by all
standards. Together with the Aaa group they comprise what are generally known as
high grade bonds. They are rated lower than the best bonds because margins of
protection may not be as large as in Aaa securities or fluctuations of
protective elements may be of greater amplitude or there may be other elements
present which make the long-term risks appear somewhat larger than in Aaa
securities.
 
  A:  Bonds which are rated A possess many favorable investment attributes and
are to be considered as upper medium grade obligations. Factors giving security
to principal and interest are considered adequate but elements may be present
which suggest a susceptibility to impairment at some time in the future.
 
  Baa:  Bonds which are rated Baa are considered as medium grade obligations,
i.e., they are neither highly protected nor poorly secured. Interest payments
and principal security appear adequate for the present but certain protective
elements may be lacking or may be characteristically unreliable over any great
length of time. Such bonds lack outstanding investment characteristics and in
fact have speculative characteristics as well.
 
  Ba:  Bonds which are rated Ba are judged to have speculative elements; their
future cannot be considered as well assured. Often the protection of interest
and principal payments may be very moderate and thereby not well safeguarded
during both good and bad times over the future. Uncertainty of position
characterizes bonds in this class.
 
  B:  Bonds which are rated B generally lack the characteristics of desirable
investment. Assurance of interest and principal payments or of maintenance of
other terms of the contract over any long period of time may be small.
 
STANDARD & POOR'S RATINGS GROUP
  AAA:  Debt rated AAA has the highest level assigned by Standard & Poor's.
Capacity to pay interest and repay principal is extremely strong.
 
  AA:  Debt rated AA has a very strong capacity to pay interest and repay
principal and differs from the highest rated issues only in small degree.
 
                                       B-1

<PAGE>
 
  A:  Debt rated A has a strong capacity to pay interest and repay principal,
although it is somewhat more susceptible to the adverse effect of changes in
circumstances and economic conditions than debt in higher rated categories.
 
  BBB:  Debt rated BBB is regarded as having an adequate capacity to pay
interest and repay principal. Whereas it normally exhibits adequate protection
parameters, adverse economic conditions or changing circumstances are more
likely to lead to a weakened capacity to pay interest and repay principal for
debt in this category than in higher rated categories.
 
  BB, B:  Debt rated BB, B is regarded, on balance, as predominantly speculative
with respect to capacity to pay interest and repay principal in accordance with
the terms of the obligation. BB indicates the lowest degree of speculation.
While such debt will likely have some quality and protective characteristics,
these are outweighed by large uncertainties or major risk exposures to adverse
conditions.
 
QUALITY DISTRIBUTION
 
  The average weighted quality distribution of the securities in the portfolio
for the year ended December 31, 1995:
 
<TABLE>
<CAPTION>
                                                                       RATING
                                                           % OF       ASSIGNED       % OF      RATING ASSIGNED     % OF
SECURITY RATINGS                         AVERAGE VALUE   PORTFOLIO   BY ADVISER    PORTFOLIO     BY SERVICE*     PORTFOLIO
- ---------------------------------------  -------------   ---------   -----------   ---------   ---------------   ---------
<S>                                      <C>             <C>         <C>           <C>         <C>               <C>
AAA....................................  $  42,664,923      22.6%    $ 1,044,059      0.5%       $  41,620,864      22.1%
AA.....................................      9,121,111       4.8               0      0.0            9,121,111       4.8
A......................................     27,993,235      14.9               0      0.0           27,993,235      14.9
BBB....................................     96,254,876      51.1       7,931,388      4.2           88,323,488      46.9
BB.....................................      9,932,549       5.3       5,015,317      2.7            4,917,232       2.6
B......................................      1,647,488       0.9         467,552      0.3            1,179,936       0.6
                                         -------------   ---------   -----------      ---      ---------------   ---------
Debt Securities........................    187,614,182      99.6     $14,458,316      7.7%       $ 173,155,866      91.9%
Equity Securities......................              0       0.0
Short-Term Securities..................        833,750       0.4
                                         -------------   ---------
Total Portfolio........................    188,447,932     100.0%
Other Assets -- Net....................      3,098,296
                                         -------------
Net Assets.............................  $ 191,546,228
                                           ===========
</TABLE>
 
The ratings are described in the Statement of Additional Information.
*S&P, Moody's and Fitch's
 
                                                                             B-2

<PAGE>
 
JOHN HANCOCK
TAX-FREE BOND FUND
 
   INVESTMENT ADVISER
   John Hancock Advisers, Inc.
   101 Huntington Avenue
   Boston, Massachusetts 02199-7603
 
   PRINCIPAL DISTRIBUTOR
   John Hancock Funds, Inc.
   101 Huntington Avenue
   Boston, Massachusetts 02199-7603
 
   CUSTODIAN
   Investors Bank
    & Trust Company
   24 Federal Street
   Boston, Massachusetts 02110
 
   TRANSFER AGENT
   John Hancock Investor Services
   Corporation
   P.O. Box 9116
   Boston, Massachusetts 02205-9116
 
   INDEPENDENT AUDITORS
   Ernst & Young LLP
   200 Clarendon Street
   Boston, Massachusetts 02116
 
HOW TO OBTAIN INFORMATION
ABOUT THE FUND
 
For Service Information
For Telephone Exchange  call
1-800-225-5291
For Investment-by-Phone
For Telephone Redemption
 
For TDD  call 1-800-554-6713

JHD 5200P 5/96   (RECYCLE LOGO)   Printed on
Recycled Paper
 
                                         JOHN HANCOCK
                                         TAX-FREE BOND
                                         FUND
                                         CLASS A AND CLASS B SHARES
                                         PROSPECTUS
                                         MAY 1, 1996

                                         A MUTUAL FUND SEEKING
                                         TO OBTAIN AS
                                         HIGH LEVEL OF INTEREST
                                         INCOME EX-
                                         EMPT FROM FEDERAL
                                         INCOME TAXES AS
                                         IN CONSISTENT WITH
                                         PRESERVATION OF
                                         CAPITAL.
 
                                         101 HUNTINGTON AVENUE
                                         BOSTON, MASSACHUSETTS 02199-7603
                                         TELEPHONE 1-800-225-5291
<PAGE>



                         JOHN HANCOCK TAX-FREE BOND FUND

                           Class A and Class B Shares

                       Statement of Additional Information

                                   MAY 1, 1996

     This Statement of Additional  Information  provides  information about John
Hancock  Tax-Free  Bond (the  "Fund") in  addition  to the  information  that is
contained in the Fund's Class A and Class B Prospectus (the "Prospectus"), dated
May 1, 1996.

     This Statement of Additional Information is not a prospectus.  It should be
read in conjunction with the Prospectus, a copy of which can be obtained free of
charge by writing or telephoning:

                   John Hancock Investor Services Corporation
                                  P.O. Box 9116
                        Boston, Massachusetts 02205-5291
                                 1-800-225-5291

                                TABLE OF CONTENTS

Organization of the Fund.................................................     2
Investment Objective and Policies........................................     2
Certain Investment Practices.............................................     6
Investment Restrictions..................................................    11
Those Responsible for Management.........................................    13
Investment Advisory and Other Services...................................    22
Distribution Contract....................................................    25
Net Asset Value..........................................................    27
Initial Sales Charge On Class A Shares...................................    28
Deferred Sales Charge on Class B Shares..................................    30
Special Redemptions......................................................    30
Additional Services and Programs.........................................    31
Description of the Fund's Shares.........................................    32
Tax Status...............................................................    34
Calculation of Performance...............................................    38
Brokerage Allocation.....................................................    40
Transfer Agent Services..................................................    42
Custody of Portfolio.....................................................    42
Independent Auditors.....................................................    42
Appendix A...............................................................   A-1
Financial Statements.....................................................   F-1

<PAGE>

ORGANIZATION OF THE FUND
   
     The Fund is a diversified open-end management  investment company organized
as a business trust under the laws of The Commonwealth of  Massachusetts.  Prior
to the approval of John Hancock  Advisers,  Inc. (the  "Investment  Adviser") an
indirect  wholly-owned  subsidiary of John Hancock Mutual Life Insurance Company
(the "Life Company"),  a Massachusetts life insurance company chartered in 1862,
with national headquarters at John Hancock Place, Boston, Massachusetts,  as the
Fund's adviser  effective  December 22, 1994, the Fund was known as Transamerica
California Tax-Free Income Fund.
    

INVESTMENT OBJECTIVE AND POLICIES

     Investment   Objective.   As  discussed  under  "Investment  Objective  and
Policies" in the Prospectus,  the investment  objective of the Fund is to obtain
as high a level of income exempt from federal income taxes as is consistent with
preservation of capital.

     Description of Municipal Obligations.  In seeking to achieve its investment
objective,  the Fund invests in a variety of Municipal Obligations which consist
of Municipal Bonds, Municipal Notes and Municipal Commercial Paper, the interest
on which in the opinion of the bond issuer's counsel (not the Fund's counsel) is
exempt from federal income tax.

     Municipal  Bonds.  Municipal  bonds are issued to obtain  funds for various
public purposes  including the construction of a wide range of public facilities
such  as  airports,   highways,  bridges,  schools,  hospitals,   housing,  mass
transportation,  streets and water and sewer works.  Other  public  purposes for
which Municipal Bonds may be issued include refunding  outstanding  obligations,
obtaining  funds for general  operating  expenses and obtaining funds to lend to
other  public  institutions  and  facilities.  In  addition,  certain  types  of
industrial development bonds are issued by or on behalf of public authorities to
obtain funds for many types of local,  privately operated facilities.  Such debt
instruments are considered municipal obligations if the interest paid on them is
exempt from federal income tax. The payment of principal and interest by issuers
of certain  obligations  purchased by the Fund may be  guaranteed by a letter of
credit, note repurchase agreement,  insurance or other credit facility agreement
offered  by a bank or  other  financial  institution.  Such  guarantees  and the
creditworthiness  of guarantors will be considered by the Investment  Adviser in
determining  whether a Municipal  Obligation meets the Fund's investment quality
requirements. No assurance can be given that a municipality or guarantor will be
able to satisfy the payment of principal or interest on a municipal obligation.

     Municipal   Notes.   Municipal   Notes  are   short-term   obligations   of
municipalities,  generally  with a  maturity  ranging  from six  months to three
years.  The  principal  types  of such  Notes  include  tax,  bond  and  revenue
anticipation notes and project notes.

     Municipal  Commercial  Paper.  Municipal  Commercial  Paper is a short-term
obligation of a municipality,  generally issued at a discount with a maturity of
less than one year.  Such paper is likely to be issued to meet seasonal  working
capital needs of a municipality  or interim  


                                       2

<PAGE>

construction  financing.  Municipal  Commercial Paper is backed in many cases by
letters of credit,  lending  agreements,  note  repurchase  agreements  or other
credit facility agreements offered by banks and other institutions.

     Federal  tax  legislation  enacted in the  1980's  placed  substantial  new
restrictions  on the  issuance  of the bonds  described  above and in some cases
eliminated  the  ability  of  state  or local  governments  to  issue  Municipal
Obligations for some of the above purposes.  Such restrictions do not affect the
Federal  income tax  treatment  of Municipal  Obligations  in which the Fund may
invest which were issued prior to the effective dates of the provisions imposing
such restrictions.  The effect of these restrictions may be to reduce the volume
of newly issued Municipal Obligations.

     Issuers  of  Municipal   Obligations  are  subject  to  the  provisions  of
bankruptcy,  insolvency  and other laws  affecting  the rights and  remedies  of
creditors,  such as the Federal  Bankruptcy  Act, and laws, if any, which may be
enacted by  Congress  or state  legislatures  extending  the time for payment of
principal or interest,  or both, or imposing other  constraints upon enforcement
of such  obligations.  There  is  also  the  possibility  that  as a  result  of
litigation or other  conditions  the power or ability of any one or more issuers
to pay when due the principal of and interest on their Municipal Obligations may
be affected.

     The yields of  Municipal  Bonds depend upon,  among other  things,  general
money market conditions,  general conditions of the Municipal Bond market,  size
of a  particular  offering,  the  maturity of the  obligation  and rating of the
issue. The ratings of S&P, Moody's and Fitch represent their respective opinions
of the  quality of the  Municipal  Bonds they  undertake  to rate.  It should be
emphasized,  however,  that  ratings are general and not  absolute  standards of
quality. Consequently, Municipal Bonds with the same maturity, coupon and rating
may have  different  yields and Municipal  Bonds of the same maturity and coupon
with different ratings may have the same yield. See Appendix A for a description
of ratings.  Many  issuers of  securities  choose not to have their  obligations
rated.  Although  unrated  securities  eligible for purchase by the Fund must be
determined to be comparable in quality to securities  having  certain  specified
ratings,  the market  for  unrated  securities  may not be as broad as for rated
securities  since  many  investors  rely  on  rating  organizations  for  credit
appraisal.

     Variable or Floating  Rate  Obligations.  As  discussed  under  "Investment
Objective and Policies" in the  Prospectus,  certain of the obligations in which
the Fund may invest may be variable or floating  rate  obligations  on which the
interest rate is adjusted at predesignated periodic intervals (variable rate) or
when there is a change in the market rate of interest on which the interest rate
payable on the obligation is met is based (floating rate).  Variable or floating
rate  obligations  may include a demand  feature which entitles the purchaser to
demand  prepayment of the principal amount prior to stated  maturity.  Also, the
issuer may have a  corresponding  right to prepay the principal  amount prior to
maturity. As with any other type of debt security, the marketability of variable
or  floating  rate  instruments  may vary  depending  upon a number of  factors,
including the type of issuer and the terms of the instruments. The Fund may also
invest in more recently developed floating rate instruments which are created by
dividing  a  municipal  security's  interest  rate  into  two or more  different
components.  Typically,  one component 


                                       3

<PAGE>

("floating  rate  component"  or  "FRC")  pays an  interest  rate  that is reset
periodically  through an auction  process or by  reference  to an interest  rate
index. A second component  ("inverse floating rate component" or "IFRC") pays an
interest  rate that varies  inversely  with changes to market rates of interest,
because  the  interest  paid to the IFRC  holders  is  generally  determined  by
subtracting a variable or floating rate from a predetermined  amount (i.e.,  the
difference  between the total  interest paid by the municipal  security and that
paid by the FRC). The Fund may purchase FRC's without  limitation.  Up to 10% of
the  Fund's  total  assets  may be  invested  in IFRC's in an attempt to protect
against a reduction in the income earned on the Fund's other  investments due to
a decline in interest rates.  The extent of increases and decreases in the value
of an IFRC generally will be greater than comparable  changes in the value of an
equal principal amount of a fixed-rate  municipal security having similar credit
quality, redemption provisions and maturity. To the extent that such instruments
are not readily marketable,  as determined by the Investment Adviser pursuant to
guidelines  adopted by the Board of Trustees,  they will be considered  illiquid
for  purposes  of  the  Fund's  10%  investment  restriction  on  investment  in
non-readily marketable securities.

     Participation  Interests. The Fund may purchase from financial institutions
tax exempt  participation  interests in tax exempt  securities.  A participation
interest gives the Fund an undivided  interest in the tax exempt security in the
proportion that the Fund's  participation  interest bears to the total amount of
the tax exempt security. For certain participation interests, the Fund will have
the right to demand payment,  on a specified number of days' notice,  for all or
any part of the Fund's  participation  interest in the tax exempt  security plus
accrued  interest.  Participation  interests,  which  are  determined  to be not
readily  marketable,  will be  considered as such for purposes of the Fund's 10%
investment   restriction  on  investment  in  non-readily   marketable  illiquid
securities.  The Fund may also invest in Certificates of  Participation  (COP's)
which  provide  participation  interests  in lease  revenues.  Each  Certificate
represents a proportionate  interest in or right to the  lease-purchase  payment
made  under  municipal  lease   obligations  or  installment   sales  contracts.
Typically,  municipal  lease  obligations  are  issued  by a state or  municipal
financing  authority to provide funds for the construction of facilities  (e.g.,
schools,  dormitories,  office  buildings  or  prisons)  or the  acquisition  of
equipment.  The  facilities  are  typically  used by the  state or  municipality
pursuant  to a  lease  with  a  financing  authority.  Certain  municipal  lease
obligations may trade infrequently.  Participation  interests in municipal lease
obligations  will not be  considered  illiquid  for  purposes  of the Fund's 10%
limitation on illiquid  securities  provided the Investment  Adviser  determines
that  there is a readily  available  market  for such  securities.  In  reaching
liquidity  decisions,  the Investment  Adviser will consider,  among others, the
following factors: (1) the frequency of trades and quotes for the security;  (2)
the number of dealers wishing to purchase or sell the security and the number of
other  potential  purchasers;  (3) dealer  undertakings  to make a market in the
security and (4) the nature of the  security  and the nature of the  marketplace
trades  (e.g.,  the time  needed  to  dispose  of the  security,  the  method of
soliciting  offers and the mechanics of the transfer.) With respect to municipal
lease obligations, the Investment Adviser also considers: (1) the willingness of
the municipality to continue,  annually or biannually,  to appropriate funds for
payment of the lease; (2) the general credit quality of the municipality and the
essentiality to the  municipality of the property  covered by the lease;  (3) an
analysis  of  factors  similar  to  that  performed  by  nationally   recognized
statistical rating organizations in evaluating the credit quality of a municipal
lease  obligation,  including  (i)  whether 


                                       4

<PAGE>

the lease can be canceled; (ii) if applicable,  what assurance there is that the
assets  represented by the lease can be sold; (iii) the strength of the lessee's
general  credit  (e.g.,  its  debt,   administrative,   economic  and  financial
characteristics);  (iv) the likelihood that the  municipality  will  discontinue
appropriating  funding for the leased property because the property is no longer
deemed essential to the operations of the municipality  (e.g., the potential for
an  event of  nonappropriation);  and (v) the  legal  recourse  in the  event of
failure to  appropriate;  and (4) any other  factors  unique to municipal  lease
obligations as determined by the Investment Adviser.

     Fund Characteristics and Other Policies.  The Fund may engage in short-term
trading  consistent  with its  investment  objective.  Securities may be sold in
anticipation  of a market  decline (a rise in interest  rates) or  purchased  in
anticipation  of a market rise (a decline in interest  rates).  In  addition,  a
security may be sold and another  security of  comparable  quality  purchased at
approximately  the same time to take  advantage of what the  Investment  Adviser
believes to be a temporary  disparity in the normal yield  relationship  between
the two securities.  These yield  disparities may occur for reasons not directly
related to the investment  quality of particular  issues or the general movement
of  interest  rates,  such as changes in the  overall  demand for, or supply of,
various types of tax-exempt securities.

     In  general,  purchases  and  sales  may  also be made to  restructure  the
portfolio in terms of average maturity, quality, coupon yield or diversification
for any one or more of the following  purposes:  (a) to increase income,  (b) to
improve portfolio quality, (c) to minimize capital depreciation,  (d) to realize
gains or losses,  or (e) for such other reasons as the Investment  Adviser deems
relevant in light of economic market conditions.

     The  Fund  is a  "diversified"  management  investment  company  under  the
Investment Company Act of 1940 (the "Act").  This means that with respect to 75%
of its  total  assets:  (1) the Fund may not  invest  more  than 5% of its total
assets in the securities of any one issuer other than U.S. government securities
and securities of other  investment  companies and (2) the Fund may not own more
than 10% of the  outstanding  voting  securities of any one issuer.  In applying
these  limitations,  a guarantee of a security will not be considered a security
of the guarantor, provided that the value of all securities issued or guaranteed
by that  guarantor,  and owned by the Fund,  does not exceed 10% of Fund's total
assets.  Since Municipal  Obligations  ordinarily  purchased by the Fund are not
voting securities (notwithstanding the 75% limitation described above), there is
generally no limit on the percentage of a single issuer's  obligations which the
Fund may own so long as it does not invest  more than 5% of its total  assets in
the  securities of that issuer.  Consequently,  the Fund may invest in a greater
percentage  of the  outstanding  securities  of a single  issuer  than  would an
investment company which invests in voting securities. In determining the issuer
of  a  security,   each  state  and  each  political   subdivision  agency,  and
instrumentality of each state and each multi-state agency of which such state is
a member is a separate  issuer.  Where  securities are backed only by assets and
revenues of a particular instrumentality,  facility or subdivision,  such entity
is considered the issuer.


                                       5
<PAGE>

CERTAIN INVESTMENT PRACTICES

     When-Issued  and  Forward  Commitment  Securities.  The Fund  may  purchase
securities on a when-issued or forward commitment basis. "When-issued" refers to
securities  whose terms are available and for which a market  exists,  but which
have not been  issued.  The Fund will engage in  when-issued  transactions  with
respect to  securities  purchased  for its  portfolio in order to obtain what is
considered to be an advantageous price and yield at the time of the transaction.
For when-issued transactions,  no payment is made until delivery is due, often a
month or more after the purchase. In a forward commitment transaction,  the Fund
contracts  to  purchase  securities  for a fixed  price at a future  date beyond
customary settlement time.

     When the Fund engages in forward  commitment and when-issued  transactions,
it relies on the seller to consummate the transaction. The failure of the issuer
or seller to  consummate  the  transaction  may  result in the Fund  losing  the
opportunity  to obtain a price  and yield  considered  to be  advantageous.  The
purchase  of  securities  on a  when-issued  and forward  commitment  basis also
involves a risk of loss if the value of the  security to be  purchased  declines
prior to the settlement date.

     On the date the Fund enters into an agreement to purchase  securities  on a
when-issued or forward  commitment  basis, the Fund will segregate in a separate
account cash or liquid,  high grade debt securities equal in value to the Fund's
commitment.  These assets will be valued daily at market, and additional cash or
securities will be segregated in a separate account to the extent that the total
value of the assets in the account  declines below the amount of the when-issued
commitments. Alternatively, the Fund may enter into offsetting contracts for the
forward sale of other securities that it owns.

     Repurchase  Agreements.  The Fund may enter into repurchase  agreements.  A
repurchase agreement is a contract under which the Fund would acquire a security
for a relatively  short period  (generally  not more than 7 days) subject to the
obligation of the seller to repurchase and the Fund to resell such security at a
fixed time and price (representing the Fund's cost plus interest). The Fund will
enter into  repurchase  agreements only with member banks of the Federal Reserve
System and with securities  dealers.  The Investment  Adviser will  continuously
monitor  the  creditworthiness  of the  parties  with whom the Fund  enters into
repurchase  agreements.  The Fund has established a procedure providing that the
securities serving as collateral for each repurchase agreement must be delivered
to the Fund's  custodian  either  physically or in book-entry  form and that the
collateral  must be  marked  to market  daily to  ensure  that  each  repurchase
agreement is fully  collateralized  at all times.  In the event of bankruptcy or
other default by a seller of a repurchase  agreement,  the Fund could experience
delays in liquidating  the underlying  securities and could  experience  losses,
including the possible decline in the value of the underlying  securities during
the  period  which  the Fund  seeks to  enforce  its  rights  thereto,  possible
subnormal levels of income and lack of access to income during this period,  and
the expense of enforcing its rights.


                                       6

<PAGE>

     The Fund is permitted  to engage in certain  hedging  techniques  involving
options and futures  transactions in order to reduce the effect of interest rate
movements affecting the market values of the investments held, or intended to be
purchased, by the Fund.

     Options On Debt  Securities.  The Fund may  purchase and write put and call
options on debt securities  which are traded on a national  securities  exchange
(an "Exchange") to protect its holdings in municipal bonds against a substantial
decline in market  value.  Securities  are  considered  related  if their  price
movements  generally  correlate to one  another.  The purchase of put options on
debt  securities  which are related to  securities  held in its  portfolio  will
enable  the  Fund  to  protect,  at  least  partially,  unrealized  gains  in an
appreciated security in its portfolio without actually selling the security.  In
addition,  the Fund may continue to receive  tax-exempt  interest  income on the
security.  However,  under certain  circumstances the Fund may not be treated as
the tax owner of a security held subject to a put option, in which case interest
with respect to such security would not be tax-exempt for the Fund. The purchase
of call  options  on debt  securities  may help to protect  against  substantial
increases  in prices of  securities  the Fund  intends to  purchase  pending its
ability to invest in such securities in an orderly manner.

     The Fund may sell put and call options it has previously  purchased,  which
could result in a net gain or loss  depending on whether the amount  realized on
the sale is more or less than the  premium and other  transaction  costs paid in
connection with the option which is sold.

     In  order  to  protect  partially  against  declines  in the  value  of its
portfolio securities, the Fund may sell (write) call options on debt securities.
A call option gives the  purchaser of such option in return for a premium  paid,
the right to buy,  and the seller has the  obligation  to sell,  the  underlying
security  at the  exercise  price if the option is  exercised  during the option
period.  The  writer  of the  call  option  who  receives  the  premium  has the
obligation  to sell the  underlying  security to the  purchaser  at the exercise
price  during the option  period if assigned an exercise  notice.  The Fund will
write call  options  only on a covered  basis,  which means that it will own the
underlying  security  subject  to a call  option at all times  during the option
period.  The exercise price of a call option may be below, equal to or above the
current  market  value of the  underlying  security  at the time the  option  is
written.

     During the option  period,  a covered call option writer may be assigned an
exercise  notice by the  broker/dealer  through  whom such call  option was sold
requiring the writer to deliver the underlying  security  against payment of the
exercise price.  This obligation is terminated upon the expiration of the option
period  or at such  earlier  point in time  when the  writer  effects  a closing
purchase transaction.

     Closing  purchase  transactions  will  ordinarily  be effected to realize a
profit on an  outstanding  call option,  to prevent an underlying  security from
being called,  in  conjunction  with the sale of the  underlying  security or to
enable the Fund to write another call option on the  underlying  security with a
different exercise price or different expiration date or both.

     The Fund will write cash  secured  put options in order to  facilitate  its
ability to purchase a security at a price lower than the current market price of
such  security.  The Fund will write put 


                                       7

<PAGE>

options  only on a "cash  secured"  basis  which means that if the Fund writes a
"put" it will  segregate  cash  obligations in the event the "put" is exercised.
"Puts" will only be written in furtherance of the basic investment objectives of
the Fund relating to the  acquisition  of tax exempt  securities and will not be
written with the primary  intent of generating  income from premiums paid to the
Fund in connection with the sale of the "put".

     The purchase and writing of put and call options  involves  certain  risks.
During the option period, the covered call writer has, in return for the premium
on the option,  given up the  opportunity to profit from a price increase in the
underlying  securities above the exercise price,  but, as long as its obligation
as a writer  continues,  has retained the risk of loss in the event the price of
the underlying security declines. A secured put writer assumes the risk that the
underlying  security will fall below the exercise price in which case the writer
could be  required  to purchase  the  security  at a higher  price than the then
current  market price of the  security.  In either  instance,  the writer has no
control  over the time when it may be required to fulfill  its  obligation  as a
writer of the option.  Once an option writer has received an exercise notice, it
cannot  effect  a  closing  purchase  transaction  in  order  to  terminate  its
obligation under the option and must deliver the underlying  securities,  in the
case of a call, or acquire the contract securities, in the case of a put, at the
exercise price.  If a put or call option  purchased by the Fund is not sold when
it has  remaining  value,  and if the market  price of the  underlying  security
remains  equal to or greater than the exercise  price,  in the case of a put, or
equal to or less than the exercise  price,  in the case of a call, the Fund will
lose its entire investment in the option.  Also, where a put or a call option on
a particular security is purchased to hedge against price movements in a related
security,  the  price of the put or call  option  may move more or less than the
price of the related security.

The Fund will not invest in a put or a call  option if as a result the amount of
premiums paid for such options then outstanding, when added to the premiums paid
for financial and index futures and put and call options on such futures,  would
exceed 10% of the Fund's total assets.

     Futures Contracts and Related Options.  The Fund may engage in the purchase
and sale of interest rate futures contracts ("financial futures") and tax-exempt
bond index futures  contracts  ("index futures") and the purchase and writing of
put and call options thereon, as well as put and call options on tax-exempt bond
indexes (if and when they are  traded)  only as a hedge  against  changes in the
general level of interest rates in accordance with strategies more  specifically
described below.

     The purchase of a financial futures contract  obligates the buyer to accept
and pay for the specific type of debt  security  called for in the contract at a
specified  future  time and at a  specified  price.  The Fund  would  purchase a
financial  futures  contract  when it is not fully  invested in  long-term  debt
securities  but wishes to defer its  purchases for a time until it can invest in
such  securities in an orderly  manner or because  short-term  yields are higher
than long-term  yields.  Such purchases would enable the Fund to earn the income
on a short-term  security while at the same time minimizing the effect of all or
part of an increase in the market price of the long-term debt security which the
Fund  intends to purchase in the  future.  A rise in the price of the  long-term
debt  security  prior to its  purchase  either  would  generally be offset by an
increase in the value 


                                       8

<PAGE>

of the futures  contract  purchased by the Fund or avoids by taking  delivery of
the debt securities under the futures contract.

     The sale of a financial  futures  contract  obligates the seller to deliver
the  specific  type of debt  security  called for in the contract at a specified
future time and at a specified  price.  The Fund would sell a financial  futures
contract  in order to  continue  to receive  the income  from a  long-term  debt
security,  while endeavoring to avoid part or all of the decline in market value
of that  security  which would  accompany  an increase  in  interest  rates.  If
interest rates did rise, a decline in the value of the debt security held by the
Fund would be  substantially  offset by an  increase in the value of the futures
contract sold by the Fund.  While the Fund could sell a long-term  debt security
and invest in a short-term security, ordinarily the Fund would give up income on
its investment, since long-term rates normally exceed short-term rates.

     In  addition,  the Fund may  purchase  and  write put and call  options  on
financial  futures contracts which are traded on an Exchange or a Board of Trade
and enter into closing transactions with respect to such options to terminate an
existing position. Options on financial futures contracts are similar to options
on securities except that a put option on a financial futures contract gives the
purchaser the right in return for the premium paid to assume a short position in
a financial  futures contract and a call option on a financial  futures contract
gives the  purchaser  the right in return for the premium  paid to assume a long
position in a financial futures contract.

The Fund anticipates  purchasing and selling  tax-exempt bond index futures as a
hedge  against  changes in the market  value of the tax  exempt  bonds  which it
holds. A tax-exempt  bond index  fluctuates with changes in the market values of
the  tax-exempt  bonds  included  in the  index.  An index  future  has  similar
characteristics  to a financial  future  except that  settlement is made through
delivery  of cash rather than the  underlying  securities.  The sale of an index
future  obligates the seller to deliver at settlement an amount of cash equal to
a specified dollar amount multiplied by the difference  between the value of the
index at the  close of the last  trading  day of the  contract  and the price at
which the future was originally written.

     The Fund may also  purchase  and write put and call  options on  tax-exempt
bond  indexes  (if and when such  options  are  traded)  and enter into  closing
transactions  with  respect  to such  options.  An option on an index  future is
similar to an option on a debt security except that an option on an index future
gives the  holder the right to assume a position  in an index  future.  The Fund
will use options on futures contracts and options on tax-exempt bond indexes (if
and when they are traded) in  connection  with  hedging  strategies.  Generally,
these strategies would be employed under the same market conditions in which the
Fund would use put and call options on debt securities.

     The Fund may hedge up to the full value of its portfolio through the use of
options  and  futures.  At the time the Fund  purchases a futures  contract,  an
amount of cash or U.S. Government  securities at least equal to the market value
of the futures  contract  will be  deposited  in a  segregated  account with the
Fund's  Custodian to  collateralize  the  position and thereby  insure that such
futures  contract is  unleveraged.  The Fund may not  purchase  or sell  futures
contracts  or  purchase  or write  related  put or call  options if  immediately
thereafter  the sum of the  amount of 


                                       9

<PAGE>

margin deposits on the Fund's existing futures and related options positions and
the  amount  of  premiums  paid for  related  options  (measured  at the time of
investment) would exceed 5% of the Fund's total assets.

     While the Fund's hedging  transactions may protect the Fund against adverse
movements in the general level of interest rates, such  transactions  could also
preclude the  opportunity  to benefit from  favorable  movements in the level of
interest rates. Due to the imperfect correlation between movements in the prices
of futures contracts and movements in the prices of the related securities being
hedged,  the  price of a  futures  contract  may move more than or less than the
price of the securities being hedged. There is an increased likelihood that this
will occur  when a  tax-exempt  security  is hedged by a futures  contract  on a
taxable security. Options on futures contracts are generally subject to the same
risks applicable to all option transactions.  In addition, the Fund's ability to
use this technique will depend in part on the  development  and maintenance of a
liquid secondary market for such options. For a discussion of the inherent risks
involved with futures  contracts  and options  thereon,  see "Risks  Relating to
Transactions in Futures Contracts and Related Options" below.

     The Fund's policies  permitting the purchase and sale of futures  contracts
and the purchase and writing of related put or call options for hedging purposes
only may not be changed without the approval of shareholders  holding a majority
of the  Fund's  outstanding  voting  securities.  The  Board  of  Directors  may
authorize  procedures,  including  numerical  limitations,  with  regard to such
transactions in furtherance of the Fund investment  objectives.  Such procedures
are not deemed to be  fundamental  and may be  changed by the Board of  Trustees
without the vote of the Fund's shareholders.

     Risks Relating to  Transactions in Futures  Contracts and Related  Options.
Positions in futures contracts may be closed out only on an exchange or board of
trade which  provides a market for such  futures.  Although  the Fund intends to
purchase or sell  futures  contracts  only on exchanges or boards of trade where
there appears to be an active market, there is no assurance that a liquid market
on an  exchange or board of trade will exist for any  particular  contract or at
any particular  time. In the event a liquid market does not exist, it may not be
possible  to  close a  futures  position,  and in the  event  of  adverse  price
movements, the Fund would continue to be required to make daily cash payments of
maintenance margin. In addition,  limitations imposed by an exchange or board of
trade on which futures  contracts are traded may compel or prevent the Fund from
closing out a contract which may result in reduced gain or increased loss to the
Fund. The absence of a liquid market in futures  contracts  might cause the Fund
to make or take delivery of the  underlying  securities at a time when it may be
disadvantageous  to do so. The  purchase  of put  options  on futures  contracts
involves  less  potential  dollar risk to the Fund than an  investment  of equal
amount in futures contracts, since the premium is the maximum amount of risk the
purchaser of the option  assumes.  The entire  amount of the premium paid for an
option can be lost by the purchaser, but no more than that amount.


                                       10
<PAGE>

INVESTMENT RESTRICTIONS

     The Fund has adopted certain fundamental  investment  restrictions upon its
investments as set forth below which may not be changed  without the approval of
the holders of a majority of the outstanding  shares of the Fund. A majority for
this purpose means:  (a) more than 50% of the outstanding  shares of the Fund or
(b) 67% or more of the shares  represented  at a meeting  where more than 50% of
the outstanding  shares of the Fund are  represented,  whichever is less.  Under
these restrictions, the Fund may not:

     1.   Borrow  money  except  from  banks for  temporary  or  emergency  (not
          leveraging)  purposes,  including the meeting of  redemption  requests
          that might otherwise  require the untimely  disposition of securities,
          in an  amount  up to 15% of the  value  of  the  Fund's  total  assets
          (including the amount borrowed) valued at market less liabilities (not
          including the amount  borrowed) at the time the  borrowings  was made.
          While borrowing exceed 5% of the value of the Fund's total assets, the
          Fund will not purchase any  additional  securities.  Interest  paid on
          borrowing will reduce the Fund's net investment income.

     2.   Pledge, hypothecate, mortgage or otherwise encumber its assets, except
          in an amount up to 10% of the  value of its total  assets  but only to
          secure  borrowing  for  temporary or  emergency  purposes or as may be
          necessary in connection with maintaining collateral in connection with
          writing  put and call  options or making  initial  margin  deposits in
          connection  with the  purchase  or sale of  financial  futures,  index
          futures contracts and related options.

     3.   With respect to 75% of its total assets,  purchase  securities  (other
          than obligations issued or guaranteed by the United States government,
          its  agencies  of  instrumentalities  and  shares of other  investment
          companies)  of any  issuer if the  purchase  would  cause  immediately
          thereafter  more  than 5% of the  value  of the  Fund's  total  assets
          invested in the  securities  of such issuer or the Fund would own more
          than 10% of the outstanding voting securities of such issuer.

     4.   Make loans to others,  except  through the purchase of  obligations in
          which  the  Fund is  authorized  to  invest,  entering  in  repurchase
          agreements and lending portfolio securities in an amount not exceeding
          one third of its total assets.

     5.   Purchase  illiquid   securities,   including   securities  subject  to
          restrictions  on  disposition   under  the  Securities  Act  of  1933,
          repurchase agreements maturing in more than seven days, and securities
          which  do not  have  readily  available  market  quotations,  if  such
          purchase  would cause the Fund to have more than 10% of its net assets
          invested in such types of securities.

     6.   Purchase or retain the securities of any issuer, if those officers and
          Trustees of the Fund or the  Investment  Adviser who own  beneficially
          more than of 1% of 


                                       11

<PAGE>

          the  securities  of such  issuer,  together  own  more  than 5% of the
          securities of such issuer.

     7.   Write,  purchase or sell puts, calls or combinations  thereof,  except
          put and call options on debt  securities,  futures  contracts based on
          debt  securities,  indices of debt  securities  and futures  contracts
          based on indices of debt securities, sell securities on margin or make
          short sales of securities or maintain a short position,  unless at all
          times when a short  position  is open it owns an equal  amount of such
          securities or securities  convertible  into or  exchangeable,  without
          payment of any further consideration, for securities of the same issue
          as, and equal in amount to, the securities sold short,  and unless not
          more than 10% of the  Fund's net  assets  (taken at current  value) is
          held as collateral for such sales at any one time.

     8.   Underwrite the securities of other issuers, except insofar as the Fund
          may be  deemed an  underwriter  under  the  Securities  Act of 1933 in
          disposing of a portfolio security.

     9.   Purchase or sell real estate, real estate investment trust securities,
          commodities or commodity contracts, except commodities and commodities
          contracts  which  are  necessary  to  enable  the  Fund to  engage  in
          permitted  futures and options  transactions  necessary  to  implement
          hedging  strategies,  or oil and gas interests.  This limitation shall
          not prevent the Fund from investing in municipal securities secured by
          real  estate or  interests  in real  estate  or  holding  real  estate
          acquired as a result of owning such municipal securities.

     10.  Invest in common stock or in securities of other investment companies,
          except that securities of investment companies may be acquired as part
          of a merger,  consolidation  or  acquisition  of  assets  and units of
          registered unit investment  trusts whose assets consist  substantially
          of tax-exempt  securities  may be acquired to the extent  permitted by
          Section 12 of the Act or applicable rules.

     11.  Invest more than 25% of its assets in the  securities  of "issuers" in
          any single industry; provided that there shall be no limitation on the
          purchase of  obligations  issued or  guaranteed  by the United  States
          Government,  its  agencies  or  instrumentalities  or by any  state or
          political  subdivision  thereof.  For purposes of this limitation when
          the assets and revenues of an agency,  authority,  instrumentality  or
          other political  subdivision are separate from those of the government
          creating  the  issuing  entity  and a security  is backed  only by the
          assets and  revenues of the entity,  the entity  would be deemed to be
          the  sole  issuer  of  the  security.  Similarly,  in the  case  of an
          industrial  development  or pollution  control  bond,  if that bond is
          backed only by the assets and  revenues of the  nongovernmental  user,
          then such  nongovernmental user would be deemed to be the sole issuer.
          If,  however,  in either case,  the creating  government or some other
          entity  guarantees a security,  such a guarantee would be considered a
          separate  security and would be treated as an issue of such government
          or other entity  unless 


                                       12

<PAGE>

          all securities  issued or guaranteed by the government or other entity
          owned by the Fund does not exceed 10% of the Fund's total assets.

     12.  Invest more than 5% of its total assets in  securities  of any issuers
          if the party  responsible for payment,  together with any predecessor,
          has  been  in  operation  for  less  than  three  years  (except  U.S.
          government and agency obligations and obligations backed by the faith,
          credit and taxing power of any person  authorized  to issue tax exempt
          securities).

     13.  Issue any senior securities,  except insofar as the Fund may be deemed
          to have  issued a  senior  security  by:  entering  into a  repurchase
          agreement;  purchasing securities in a when-issued or delayed delivery
          basis;   purchasing  or  selling  any  options  or  financial  futures
          contract;  borrowing  money or lending  securities in accordance  with
          applicable investment restrictions.

     In order to comply with certain  state  regulatory  policies,  the Fund has
adopted a non-  fundamental  policy  prohibiting  the purchase of warrants.  The
Fund's Board of Trustees has approved the following  non-fundamental  investment
policy  pursuant  to  an  order  of  the  SEC:  Notwithstanding  any  investment
restriction to the contrary,  the Fund may, in connection  with the John Hancock
Group of Funds Deferred  Compensation  Plan for Independent  Trustees/Directors,
purchase securities of other investment  companies within the John Hancock Group
of Funds provided  that, as a result,  (i) no more than 10% of the Fund's assets
would be invested in securities  of all other  investment  companies,  (ii) such
purchase  would  not  result in more  than 3% of the  total  outstanding  voting
securities of any one such  investment  company being held by the Fund and (iii)
no more  than  5% of the  Fund's  assets  would  be  invested  in any  one  such
investment company.


                                       13
<PAGE>

THOSE RESPONSIBLE FOR MANAGEMENT

     The business of the Fund is managed by its Trustees' who elect officers who
are  responsible  for the  day-to-day  operations  of the Fund  and who  execute
policies formulated by the Trustees. Several of the officers and Trustees of the
Fund are also officers and Directors of the Adviser or officers and directors of
John Hancock Funds, Inc. (" John Hancock Funds") .

     Set forth below is the  principal  occupation or employment of the Trustees
and principal officers of the Fund during the past five years.

<TABLE>
<CAPTION>

                                        Positions Held                Principal Occupation(s)
Name and Address                        With the Company              During the Past Five Years
- ----------------                        ----------------              --------------------------
<S>                                     <C>                           <C>
Edward J.  Boudreau,  Jr.*              Chairman  and  Chief          Chairman and Chief Executive        
101  Huntington  Avenue                 Executive  Officer  (1,2)     Officer, the Adviser and The       
Boston,  MA 02199                                                     Berkeley Financial Group ("Berkeley
                                                                      Group"); Chairman, NM Capital      
                                                                      Management, Inc. ("NM Capital");   
                                                                      John Hancock Advisers International
                                                                      Limited ("Advisers International");
                                                                      John Hancock Funds, Inc., ("John   
                                                                      Hancock Funds"), John Hancock      
                                                                      Investor Services Corporation      
                                                                      ("Investor Services") and Sovereign
                                                                      Asset Management Corporation       
                                                                      ("SAMCorp") (herein after the      
                                                                      Adviser, The Berkeley Group, NM    
                                                                      Capital, Advisers International,   
                                                                      John Hancock Funds, Investor       
                                                                      Services and SAMCorp collectively  
                                                                      referred to as the "Affiliated     
                                                                      Companies"); Chairman, First       
                                                                      Signature Bank & Trust; Director,  
                                                                      John Hancock Freedom Securities    
                                                                      Corp., John Hancock Capital Corp., 
                                                                      New England/Canada Business        
                                                                      Council; Member, Investment Company
                                                                      Institute Board of Governors;      
                                                                      Director, Asia Strategic Growth    
                                                                      Fund, Inc.; Trustee, Museum of     
                                                                      Science; President, the Adviser    
                                                                      (until July 1992); Chairman, John  
                                                                      Hancock Distributors, Inc.         
                                                                      ("Distributors") (until April      
                                                                      1994).                             
</TABLE>
                                             
- ----------
*    An "interested person" of the Company as such term is defined in the
     Investment Company Act of 1940, as amended ("The Investment Company Act").
(1)  Member of the Executive Committee. Under the Company's charter, the
     Executive Committee may generally exercise most of the powers of the Board
     of Trustees.
(2)  A member of the Investment Committee of the Adviser. (3) Member of the
     Audit Committee and the Committee on Administration.


                                       14
<PAGE>

<TABLE>
<CAPTION>

   
                                        Positions Held                Principal Occupation(s)
Name and Address                        With the Company              During the Past Five Years
- ----------------                        ----------------              --------------------------
<S>                                     <C>                           <C>
James F.  Carlin                        Trustee(3)                    Chairman and CEO, Carlin            
233 West Central Street                                               Consolidated, Inc.                 
Natick, MA 01760                                                      (management/investments); Director,
                                                                      Arbella Mutual Insurance Company   
                                                                      (insurance), Consolidated Group    
                                                                      Trust (insurance administration),  
                                                                      Carlin Insurance Agency, Inc., West
                                                                      Insurance Agency, Inc. (until May, 
                                                                      1995) and Uno Restaurant Corp.;    
                                                                      Chairman, Massachusetts Board of   
                                                                      Higher Education; Receiver, the    
                                                                      City of Chelsea (until August,     
                                                                      1992).                             

William H.  Cunningham                  Trustee(3)                    Chancellor, University of Texas    
601 Colorado Street                                                   System and former President of the 
O'Henry Hall                                                          University of Texas, Austin, Texas;
Austin, TX 78701                                                      Lee Hage and Joseph D. Jamail      
                                                                      Regents Chair for Free Enterprise; 
                                                                      Director, LaQuinta Motor Inns, Inc.
                                                                      (hotel management company);        
                                                                      Director, Jefferson-Pilot          
                                                                      Corporation (diversified life      
                                                                      insurance company); LBJ Foundation 
                                                                      Board (education foundation); and  
                                                                      Advisory Director, Texas Commerce  
                                                                      Bank - Austin.                     

Charles F.  Fretz                       Trustee (3)                   Retired; Former Vice President and        
RD #5, Box 300B                                                       Director, Towers, Perrin, Foster &  
Clothier Springs Road                                                 Crosby, Inc. (international         
Malvern, PA  19355                                                    management consultants) (1952-1985).
                                                                      
</TABLE>
                                             
- ----------
*    An "interested person" of the Company as such term is defined in the
     Investment Company Act of 1940, as amended ("The Investment Company Act").
(1)  Member of the Executive Committee. Under the Company's charter, the
     Executive Committee may generally exercise most of the powers of the Board
     of Trustees.
(2)  A member of the Investment Committee of the Adviser. (3) Member of the
     Audit Committee and the Committee on Administration.


                                       15
<PAGE>

<TABLE>
<CAPTION>

   
                                        Positions Held                Principal Occupation(s)
Name and Address                        With the Company              During the Past Five Years
- ----------------                        ----------------              --------------------------
<S>                                     <C>                           <C>
Harold R.  Hiser, Jr.                   Trustee (3)                   Executive Vice President,      
123 Highland Avenue                                                   Schering-Plough Corporation    
Short Hills, NJ  07078                                                (pharmaceuticals)(until 1996); 
                                                                      Director, ReCapital Corporation
                                                                      (reinsurance)(until 1995).     

Anne C.  Hodsdon*                       Trustee and                   President and Chief Operating      
101 Huntington Avenue                   President (1)(2)              Officer, the Adviser; Executive    
Boston, MA  02199                                                     Vice President, the Adviser (until 
                                                                      December 1994); Senior Vice        
                                                                      President; the Adviser (until      
                                                                      December 1993); Vice President, the
                                                                      Adviser (until 1991).              

Charles L.  Ladner                      Trustee (3)                   Director, Energy North, Inc.         
UGI Corporation                                                       (public utility holding company)   
P.O.  Box 858                                                         (until 1992); Senior Vice President
Valley Forge, PA  19482                                               and Chief Financial Officer of UGI 
                                                                      Corp. Holding Company: public      
                                                                      utilities, LPGAS                   

Leo E.  Linbeck, Jr.                    Trustee(3)                    Chairman, President, Chief        
3810 W.  Alabama                                                      Executive Officer and Director,   
Houston, TX 77027                                                     Linbeck Corporation (a holding    
                                                                      company engaged in various phases 
                                                                      of the construction industry and  
                                                                      warehousing interests); Former    
                                                                      Chairman, Federal Reserve Bank of 
                                                                      Dallas (1992, 1993); Chairman of  
                                                                      the Board and Chief Executive     
                                                                      Officer, Linbeck Construction     
                                                                      Corporation; Director, PanEnergy  
                                                                      Corporation (a diversified energy 
                                                                      company); Daniel Industries, Inc. 
                                                                      (manufacturer of gas measuring    
                                                                      products and energy related       
                                                                      equipment); GeoQuest International
                                                                      Holdings Inc. (a geophysical      
                                                                      consulting firm)(1980-1995).      
                                                                      
</TABLE>
                                             
- ----------
*    An "interested person" of the Company as such term is defined in the
     Investment Company Act of 1940, as amended ("The Investment Company Act").
(1)  Member of the Executive Committee. Under the Company's charter, the
     Executive Committee may generally exercise most of the powers of the Board
     of Trustees.
(2)  A member of the Investment Committee of the Adviser. (3) Member of the
     Audit Committee and the Committee on Administration.


                                       16
<PAGE>

<TABLE>
<CAPTION>
                                        Positions Held                Principal Occupation(s)
Name and Address                        With the Company              During the Past Five Years
- ----------------                        ----------------              --------------------------
<S>                                     <C>                           <C>
Patricia P.  McCarter                   Trustee (3)                   Director and Secretary of The
1230 Brentford Road                                                   McCarter Corp. (machine      
Malvern, PA  19355                                                    manufacturer).               
                                                                      
Steven R.  Pruchansky                   Trustee (1,3)                 Director and President, Mast          
6920 Daniel Road                                                      Holdings, Inc.; (since 1991);     
Naples, FL  33942                                                     Director, First Signature Bank &  
                                                                      Trust Company (until August 1991);
                                                                      Director, Mast Realty Trust (1982-
                                                                      1994); President, Maxwell Building
                                                                      Corp. (until 1991).               

Richard S.  Scipione*                   Trustee (1)                   General Counsel, the Life Company;    
John Hancock Place                                                    Director, the Adviser, the         
P.O.  Box 111                                                         Affiliated Companies, John Hancock 
Boston, Massachusetts                                                 Distributors, Inc., JH Networking  
                                                                      Insurance Agency, Inc., John       
                                                                      Hancock Subsidiaries, Inc.,        
                                                                      SAMCorp, NM Capital and John       
                                                                      Hancock Property and Casualty      
                                                                      Insurance and its affiliates (until
                                                                      November, 1993); Trustee, The      
                                                                      Berkeley Group.                    
                                                                      
Norman H.  Smith                        Trustee (3)                   Retired. Lieutenant General, United       
243 Mt.  Oriole Lane                                                  States Marine Corps; Deputy Chief  
Linden, VA  22642                                                     of Staff for Manpower and Reserve  
                                                                      Affairs, Headquarters Marine Corps;
                                                                      Commanding General, III Marine     
                                                                      Expeditionary Force/3rd Marine     
                                                                      Division (retired 1991).           

</TABLE>                                      
- ----------
*    An "interested person" of the Company as such term is defined in the
     Investment Company Act of 1940, as amended ("The Investment Company Act").
(1)  Member of the Executive Committee. Under the Company's charter, the
     Executive Committee may generally exercise most of the powers of the Board
     of Trustees.
(2)  A member of the Investment Committee of the Adviser. (3) Member of the
     Audit Committee and the Committee on Administration.


                                       17
<PAGE>

<TABLE>
<CAPTION>
                                        Positions Held                Principal Occupation(s)
Name and Address                        With the Company              During the Past Five Years
- ----------------                        ----------------              --------------------------
<S>                                     <C>                           <C>
John P.  Toolan                         Trustee (3)                   Director, The Muni Bond Funds,     
13 Chadwell Place                                                     National Liquid Reserves, Inc., The
Morristown, NJ  07960                                                 Tax Free Money Fund, Inc. and      
                                                                      Vantage Money Market Funds (mutual 
                                                                      funds), and The Inefficient-Market 
                                                                      Fund, Inc. (closed-end investment  
                                                                      company; Chairman, Smith Barney    
                                                                      Trust Company (retired December,   
                                                                      1991); Director, Smith Barney,     
                                                                      Inc., Mutual Management Company and
                                                                      Smith Barney Advisers, Inc.        
                                                                      (investment advisers) (until       
                                                                      December 1991).                    

Robert G.  Freedman*                    Vice Chairman and Chief       Vice Chairman and Chief Investment
101 Huntington Avenue                   Investment Officer (2)        Officer, the Adviser; President,  
Boston, MA  02199                                                     the Adviser (until December 1994).

Thomas H.  Drohan*                      Senior Vice President and     Senior Vice President and Secretary 
101 Huntington Avenue                   Secretary                     of the Adviser.
Boston, MA  02199

James B.  Little*                       Senior Vice President and     Senior Vice President, the Adviser.
101 Huntington Avenue                   Chief Financial Officer
Boston, MA  02199

Susan S.  Newton*                       Vice President, Assistant     Vice President and Assistant Secretary, 
101 Huntington Avenue                   Secretary and Compliance      the Adviser.
Boston, MA  02199                       Officer

</TABLE>                                      
- ----------
*    An "interested person" of the Company as such term is defined in the
     Investment Company Act of 1940, as amended ("The Investment Company Act").
(1)  Member of the Executive Committee. Under the Company's charter, the
     Executive Committee may generally exercise most of the powers of the Board
     of Trustees.
(2)  A member of the Investment Committee of the Adviser. (3) Member of the
     Audit Committee and the Committee on Administration.


                                       18
<PAGE>

<TABLE>
<CAPTION>

   
                                        Positions Held                Principal Occupation(s)
Name and Address                        With the Company              During the Past Five Years
- ----------------                        ----------------              --------------------------
<S>                                     <C>                           <C>
John A.  Morin*                         Vice President                Vice President, the Adviser;    
101 Huntington Avenue                                                 Counsel, the Life Company (until
Boston, MA  02199                                                     1995)                           

James J.  Stokowski*                    Vice President and            Vice President, the Adviser.
101 Huntington Avenue                   Treasurer
Boston, MA  02199

</TABLE>
                                      
- ----------
*    An "interested person" of the Company as such term is defined in the
     Investment Company Act of 1940, as amended ("The Investment Company Act").
(1)  Member of the Executive Committee. Under the Company's charter, the
     Executive Committee may generally exercise most of the powers of the Board
     of Trustees.
(2)  A member of the Investment Committee of the Adviser. (3) Member of the
     Audit Committee and the Committee on Administration.

     All of the  officers  listed are  officers or  employees  of the Adviser or
affiliated  companies.  Some of the  Trustees  and officers may also be officers
and/or directors and/or trustees of one or more of the other funds for which the
Investment Adviser serves as investment adviser.

     As of March 13,  1996,  the  officers  and  Trustees of the Fund as a group
beneficially  owned less than 1% of the  outstanding  shares of the Fund.  As of
March 13, 1996,  Merrill Lynch Pierce  Fenner & Smith Inc.,  Trade House Account
Team B,  4800  Deerlake  Drive  East,  Jacksonville,  FL.  held  863,345  shares
representing  12.15% of the Funds Class B shares.  At such date, no person owned
of  record  or was  known by the Fund to own  beneficially  as much as 5% of the
outstanding shares of the Fund.

     As of December 22, 1994,  the Trustees have  established  an Advisory Board
which acts to  facilitate  a smooth  transition  of  management  over a two-year
period  (between  Transamerica  Fund  Management  Company  ("TFMC"),  the  prior
investment  adviser,  and the Investment  Adviser).  The members of the Advisory
Board  are  distinct  from the Board of  Trustees,  do not serve the Fund in any
other  capacity and are persons who have no power to determine  what  securities
are purchased or sold and behalf of the Fund.  Each member of the Advisory Board
may be contacted at 101 Huntington Avenue, Boston, Massachusetts 02199.

Members of the Advisory Board and their respective principal  occupations during
the past five years are as follows:

R. Trent Campbell,  President,  FMS, Inc.  (financial and management  services);
     former Chairman of the Board, Mosher Steel Company.


                                       19

<PAGE>

Mrs. Lloyd Bentsen,  Formerly  National  Democratic  Committeewoman  from Texas;
     co-founder,  Houston Parents' League;  former board member of various civic
     and cultural  organizations  in Houston,  including  the Houston  Symphony,
     Museum of Fine Arts and YWCA. Mrs.  Bentsen is presently  active in various
     civic and cultural  activities  in the  Washington,  D.C.  area,  including
     membership  on the Area  Board  for The  March of Dimes  and is a  National
     Trustee for the Botanic Gardens of Washington, D. C.

Thomas R. Powers,  Formerly Chairman of the Board, President and Chief Executive
     Officer, TFMC; Director,  West Central Advisory Board, Texas Commerce Bank;
     Trustee,  Memorial  Hospital  System;  Chairman  of the Board of Regents of
     Baylor  University;  Member,  Board of Governors,  National  Association of
     Securities Dealers, Inc.; Formerly, Chairman, Investment Company Institute;
     formerly, President, Houston Chapter of Financial Executive Institute.

Thomas B.  McDade,  Chairman and  Director,  TransTexas  Gas Company;  Director,
     Houston  Industries  and  Houston  Lighting  and Power  Company;  Director,
     TransAmerican Companies (natural gas producer and transportation);  Member,
     Board of Managers,  Harris County  Hospital  District;  Advisory  Director,
     Commercial State Bank, El Campo; Advisory Director,  First National Bank of
     Bryan;  Advisory Director,  Sterling  Bancshares;  Former Director and Vice
     Chairman,  Texas Commerce  Bancshares;  and Vice  Chairman,  Texas Commerce
     Bank.
   
     Compensation  of the Board of Trustees and Advisory  Board.  The  following
table provides  information  regarding the compensation paid by the Fund and the
other  investment  companies in the John Hancock Fund Complex to the Independent
Trustees  and the  Advisory  Board  members  for  their  services.  The  three a
non-Independent Trustees, Ms. Hodsdon, Messrs Boudreau and Scipione, and each of
the officers of the Funds are interested persons of the Investment Adviser,  are
compensated  by the Investment  Adviser or affiliated  companies and received no
compensation from the Funds for their services.
    

                                       20
<PAGE>

<TABLE>
<CAPTION>


                                               Pension or             Total Compensation
                            Aggregate          Retirement Benefits    from all Funds in
                            Compensation       Accrued as Part of     John Hancock Fund
Trustees                    from the Fund      the Fund's Expenses    Complex to Trustees**
- --------                    -------------      -------------------    ---------------------
<S>                            <C>                   <C>                    <C>     
James F.  Carlin               $ 1,572               $    0                 $ 60,700
William H.  Cunningham             704                2,950                   69,700
Charles F.  Fretz                  245                    0                   56,200
Harold R.  Hiser, Jr.                0                  121                   60,200
Charles L.  Ladner               1,967                    0                   60,700
Leo E.  Linbeck, Jr.             3,654                    0                   73,200
Patricia P.  McCarter            1,967                    0                   60,700
Steven R.  Pruchansky            2,033                    0                   62,700
Norman H.  Smith                 2,033                    0                   62,700
John P.  Toolan                      0                1,967                   60,700
                               -------               ------                 --------
Total                          $14,175               $5,038                 $627,500

</TABLE>

*    Compensation made pursuant to different  compensation  arrangements then in
     effect for the fiscal year ended December 31,1995.

**   The  total  compensation  paid by the  John  Hancock  Fund  Complex  to the
     Independent Trustees is $627,500 as of the calendar year ended December 31,
     1995.  All  Trustees/Directors  except  Messrs.  Cunningham and Linbeck are
     Trustees/Directors  of 33 funds in the John Hancock Fund  Complex.  Messrs.
     Cunningham and Linbeck are Trustees/Directors of 31 funds

<TABLE>
<CAPTION>

                                               Pension or             Total Compensation from
                            Aggregate          Retirement Benefits    all Funds in John Hancock
                            Compensation       Accrued as Part of     Fund Complex to Advisory
Advisory Board***           from the Fund      the Fund's Expenses    Board***
- -----------------           -------------      -------------------    --------
<S>                            <C>                   <C>                    <C>     
R.  Trent Campbell             $ 3,672               $    0                 $ 70,000
Mrs.  Lloyd Bentsen              3,783                    0                   63,000
Thomas R.  Powers                3,672                    0                   63,000
Thomas B.  McDade                3,672                    0                   63,000
                               -------               ------                 --------
TOTAL                          $14,799               $    0                 $259,000

</TABLE>

***  As of December 31, 1995


                                       21

<PAGE>

INVESTMENT ADVISORY AND OTHER SERVICES

As described in the Prospectus, the Fund receives its investment advice from the
Investment  Adviser.  Investors should refer to the Prospectus for a description
of certain information  concerning the investment  management contract.  Each of
the Trustees and principal officers of the Fund who is also an affiliated person
of the  Investment  Adviser is named above,  together with the capacity in which
such person is affiliated with the Fund and the Investment Adviser.

     The  Investment  Adviser,   located  at  101  Huntington  Avenue,   Boston,
Massachusetts 02199-7603, was organized in 1968 and has more than $16 billion in
assets under  management in its capacity as  investment  adviser to the Fund and
the other  mutual  funds and publicly  traded  investment  companies in the John
Hancock group of funds having a combined total of over  1,080,000  shareholders.
The Investment  Adviser is a wholly-owned  subsidiary of The Berkeley  Financial
Group, which is in turn a wholly-owned  subsidiary of John Hancock Subsidiaries,
Inc.,  which is in turn a  wholly-owned  subsidiary of John Hancock  Mutual Life
Insurance  Company (the "Life Company"),  one of the nation's oldest and largest
financial  services  companies.  With total assets under  management of over $80
billion,  the Life Company is one of the ten largest life insurance companies in
the  United  States,  and  carries  Standard & Poor's  and A.M.  Best's  highest
ratings. Founded in 1862, the Life Company has been serving clients for over 130
years.

     As  described  in the  Prospectus  under  the  caption,  "Organization  and
Management  of the Fund," the Fund has  entered  into an  investment  management
contract with the Investment Adviser.  Under the investment management contract,
the  Investment  Adviser  provides  the Fund  with (i) a  continuous  investment
program,  consistent with the Fund's stated  investment  objective and policies,
(ii) supervision of all aspects of the Fund's  operations  except those that are
delegated  to a  custodian,  transfer  agent  or  other  agent  and  (iii)  such
executive,  administrative and clerical personnel, officers and equipment as are
necessary for the conduct of its business. The Investment Advisor is responsible
for the management of the Fund's portfolio assets.

     No person other than the  Investment  Adviser,  its directors and employees
regularly  furnishes  advice to the Fund with respect to the desirability of the
Fund investing in, purchasing or selling securities.  The Investment Adviser may
from time to time receive statistical or other similar factual information,  and
information regarding general economic factors and trends, from the Life Company
and its affiliates.

     Under the terms of the  investment  management  contract with the Fund, the
Investment  Adviser provides the Fund with office space,  equipment and supplies
and other  facilities  and personnel  required for the business of the Fund. The
Investment  Adviser pays the  compensation  of all officers and employees of the
Fund and Trustees of the Fund affiliated with the Investment Adviser, the office
expenses of the Fund, including those of the Fund's Treasurer and Secretary, and
other  expenses  incurred  by the  Investment  Adviser  in  connection  with the
performance of its duties.  All expenses which are not specifically  paid by the
Investment  Adviser  and  which  are  incurred  in the  operation  of  the  Fund
including,  but not limited to, (i) the fees of the Trustees of the Fund who are
not  "interested  persons,"  as such  term  is  defined  in the  1940  Act  (the



                                       22

<PAGE>

"Independent  Trustees"),  (ii) the fees of the  members of the Fund's  Advisory
Board (described  above) and (iii) the continuous  public offering of the shares
of the Fund are borne by the Fund.

     As  provided  by the  investment  management  contract,  the Fund  pays the
Investment Adviser an investment management fee, which is accrued daily and paid
monthly in arrears,  equal on an annual  basis to a 0.55% of the Fund's  average
daily net asset value.

     The Investment  Adviser may voluntarily and temporarily reduce its advisory
fee or make other  arrangements  to limit the  Fund's  expenses  to a  specified
percentage of average daily net assets. The Investment Adviser retains the right
to re-impose the advisory fee and recover any other payments to the extent that,
at the end of any fiscal year, the Fund's annual expenses fall below this limit.

     In the event normal  operating  expenses of the Fund,  exclusive of certain
expenses  prescribed  by state law,  are in excess of any state  limit where the
Fund is registered to sell shares of beneficial interest, the fee payable to the
Investment  Adviser will be reduced to the extent required by law. At this time,
the most restrictive limit on expenses imposed by a state requires that expenses
charged to the Fund in any fiscal year not exceed 2.5% of the first  $30,000,000
of the Fund's average daily net asset value, 2% of the next $70,000,000 and 1.5%
of the  remaining  average  daily net asset value.  When  calculating  the limit
above, the Fund may exclude  interest,  brokerage  commissions and extraordinary
expenses.

     Pursuant to the investment  management contract,  the Investment Adviser is
not liable to the Fund or its  shareholders for any error of judgment or mistake
of law or for any loss  suffered by the Fund in  connection  with the matters to
which its contract  relates,  except a loss resulting from willful  misfeasance,
bad  faith or gross  negligence  on the part of the  Investment  Adviser  in the
performance of its duties or from its reckless  disregard of the obligations and
duties under the contract.

     The investment  management contract initially expires on December 22, 1996,
and will continue in effect from year to year thereafter if approved annually by
a vote of a majority of the Trustees of the Fund who are not interested  persons
of one or more of the  parties  to the  contract,  cast in  person  at a meeting
called for the purpose of voting on such  approval,  and by either a majority of
the  Trustees  or the  holders of a majority  of the Fund's  outstanding  voting
securities.  The  management  contract  may,  on 60  days'  written  notice,  be
terminated at any time without the payment of any penalty by the Fund by vote of
a majority of the outstanding  voting securities of the Fund, by the Trustees or
by the Investment Adviser.  The management contract terminates  automatically in
the event of its assignment.

     Securities  held by the Fund may also be held by other funds or  investment
advisory  clients for which the  Investment  Adviser or its  affiliates  provide
investment advice.  Because of different investment objectives or other factors,
a particular security may be bought for one or more funds or clients when one or
more are selling the same  security.  If  opportunities  for purchase or sale of
securities by the Investment Adviser or for other funds or clients for which the
Investment Adviser renders investment advice arise for consideration at or about
the  same  time,  transactions  


                                       23

<PAGE>

in such securities will be made,  insofar as feasible,  for the respective funds
or clients  in a manner  deemed  equitable  to all of them.  To the extent  that
transactions on behalf of more than one client of the Investment  Adviser or its
respective  affiliates may increase the demand for securities being purchased or
the supply of securities being sold, there may be an adverse effect on price.

     Under the investment  management contract,  the Fund may use the name "John
Hancock"  or any  name  derived  from or  similar  to it only for so long as the
investment  management  contract or any extension,  renewal or amendment thereof
remains in effect. If the Fund's investment  management contract is no longer in
effect,  the Fund (to the extent  that it  lawfully  can) will cease to use such
name or any other name indicating  that it is advised by or otherwise  connected
with the Investment  Adviser.  In addition,  the Investment  Adviser or the Life
Company may grant the non-exclusive  right to use the name "John Hancock" or any
similar name to any other  corporation  or entity,  including but not limited to
any investment  company of which the Life Company or any subsidiary or affiliate
thereof or any successor to the business of any subsidiary or affiliate  thereof
shall be the investment adviser.
   
     For the fiscal years ended December 31, 1993 and 1994 advisory fees payable
by the Fund to TFMC, the Fund's former investment adviser,  amounted to $888,791
and  $1,136,532,  respectively.  For the fiscal year ended  December  31,  1995,
advisory fees payable to the Fund's Adviser amounted to $1,048,120.  However,  a
portion of such fees were not imposed  pursuant to the voluntary fee and expense
assumption  and fee waiver  then in effect  (see "The  Fund's  Expenses"  in the
Prospectus).
    
     Administrative   Services   Agreement.   The   Fund   was  a  party  to  an
administrative services agreement with TFMC (the "Services Agreement"), pursuant
to which TFMC  performed  bookkeeping  and  accounting  services and  functions,
including preparing and maintaining various accounting books,  records and other
documents  and  keeping  such  general  ledgers  and  portfolio  accounts as are
reasonably  necessary  for  the  operation  of the  Fund.  Other  administrative
services  included  communications  in response  to  shareholder  inquiries  and
certain printing expenses of various financial reports. In addition,  such staff
and office space,  facilities and equipment was provided as necessary to provide
administrative  services  to the Fund.  The  Services  Agreement  was amended in
connection with the appointment of the Investment Adviser as adviser to the Fund
to  permit  services  under  the  Agreement  to be  provided  to the Fund by the
Investment  Adviser and its  affiliates.  The Services  Agreement was terminated
during the fiscal year 1995.

     For the fiscal years ended December 31, 1993 and 1994 the Fund paid to TFMC
(pursuant to the Services  Agreement)  $94,272 and  $116,742,  respectively,  of
which  $62,855  and  $81,515,  respectively,  was paid to TFMC and  $31,417  and
$35,227,  respectively,  were  paid for  certain  data  processing  and  pricing
information  services.  No fees  relating to the Services  Agreement was paid or
incurred during the fiscal year 1995.


                                       24
<PAGE>

DISTRIBUTION CONTRACT

     As discussed in the Prospectus,  the Fund's shares are sold on a continuous
basis at the public offering price. The Distributor,  a wholly-owned  subsidiary
of the Investment Adviser, has the exclusive right, pursuant to the Distribution
Agreement dated December 22, 1994 (the  "Distribution  Agreement"),  to purchase
shares  from  the  Fund at net  asset  value  for  resale  to the  public  or to
broker-dealers at the public offering price.  Upon notice to all  broker-dealers
("Selling Brokers") with whom it has sales agreements, the Distributor may allow
such  Selling  Brokers up to the full  applicable  sales charge  during  periods
specified in such  notice.  During these  periods,  such Selling  Brokers may be
deemed to be underwriters as that term is defined in the Securities Act of 1933.

     The Distribution Agreement was initially adopted by the affirmative vote of
the Fund's Board of Trustees  including  the vote a majority of Trustees who are
not parties to the  agreement or interested  persons of any such party,  cast in
person at a meeting called for such purpose.  The  Distribution  Agreement shall
continue in effect until  December 22, 1994 and from year to year if approved by
either the vote of the Fund's  shareholders  or the Board of Trustees  including
the vote of a majority  of  Trustees  who are not  parties to the  agreement  or
interest persons of any such party,  cast in person at a meeting called for such
purpose.  The  Distribution  Agreement may be  terminated  at any time,  without
penalty,  by either party upon sixty (60) days' written notice or by a vote of a
majority  of the  outstanding  voting  securities  of the  Fund  and  terminates
automatically in the case of an assignment by the Distributor.

     Total  underwriting  commissions for sales of the Fund's Class A Shares for
the fiscal  years ended  December  31,  1993,  1994 and 1995,  were  $1,224,810,
$149,847 and $158,248,  respectively.  Of such amounts $108,653 and $47,967 were
retained by the Fund's former distributor,  Transamerica Fund Distributors, Inc.
For the fiscal year end December 31, 1995,  underwriting  commissions of $74,621
were retained by the Fund's current distributor, John Hancock Funds.

     Distribution  Plan.  The  Board  of  Trustees,  including  the  Independent
Trustees of the Fund,  approved new  distribution  plans  pursuant to Rule 12b-1
under  the  1940 Act for  Class A Shares  ("Class  A Plan")  and  Class B Shares
("Class B Plan").  Such Plans were  approved  by a majority  of the  outstanding
shares of each  respective  class on December  16, 1994 and became  effective on
December 22, 1994.

     Under the Class A Plan, the distribution or services fee will not exceed an
annual rate of 0.15% of the average  daily net asset value of the Class A Shares
of the Fund  (determined in accordance with such Fund's  Prospectus as from time
to time in  effect).  The  Board  of  Trustees  has  voted to  recommend  to the
shareholders  that  the  distribution  and  service  fee on  Class A  Shares  be
increased to 0.25% of the average daily net asset value effective after December
22, 1996. Any expenses under the Class A Plan not reimbursed within 12 months of
being  presented to the Fund for repayment are forfeited and not carried over to
future years.  Under the Class B Plan,  the  distribution  or services fee to be
paid by the Fund will not exceed an annual  rate of 


                                       25

<PAGE>

1.00%  of the  average  daily  net  assets  of the  Class B  Shares  of the Fund
(determined  in accordance  with such Fund's  prospectus as from time to time in
effect);  provided that the portion of such fee used to cover  Service  Expenses
(described  below) shall not exceed an annual rate of 0.25% of the average daily
net asset value of the Class B Shares of the Fund. The Distributor has agreed to
limit  the  payment  of  expenses  pursuant  to the Class B Plan to 0.90% of the
average  daily net assets of the Class B Shares of the Fund until  December  23,
1996.  Under the Class B Plan,  the fee  covers  the  Distribution  and  Service
Expenses  (described below) and interest  expenses on unreimbursed  distribution
expenses. In accordance with generally accepted accounting principles,  the Fund
does not treat  distribution  fees in excess of 0.75% of the  Fund's  net assets
attributable  to Class B shares as a  liability  of the Fund and does not reduce
the  current  net assets of Class B by such  amount  although  the amount may be
payable in the future.

     Under the Plans,  expenditures  shall be  calculated  and accrued daily and
paid monthly or at such other intervals as the Trustees shall determine. The fee
may be spent by the  Distributor on Distribution  Expenses or Service  Expenses.
"Distribution Expenses" include any activities or expenses primarily intended to
result in the sale of shares of the relevant class of the Fund,  including,  but
not limited to: (i) initial and ongoing sales  compensation  payable out of such
fee as such  compensation is received by the Distributor or by Selling  Brokers,
(ii) direct out-of-pocket  expenses incurred in connection with the distribution
of shares,  including  expenses related to printing of prospectuses and reports;
(iii) preparation, printing and distribution of sales literature and advertising
material; (iv) an allocation of overhead and other branch office expenses of the
Distributor related to the distribution of Fund Shares (v) distribution expenses
that were incurred by the Fund's former  distributor  and not recovered  through
payments  under  the  Class A or Class B  former  plans or  through  receipt  of
contingent  deferred  sales  charges;  and  (vi) in the  event  that  any  other
investment  company (the "Acquired Fund") sells all or substantially  all of its
assets, merges or otherwise engages in a combination with the Fund, distribution
expenses originally incurred in connection with the distribution of the Acquired
Fund's shares.  Service Expenses under the Plans include payments made to, or on
account of, account executives of selected broker-dealers  (including affiliates
of the  Distributor)  and others who furnish  personal and  shareholder  account
maintenance services to shareholders of the relevant class of the Fund.

     During the fiscal year ended December 31, 1995, the Funds paid John Hancock
Funds the following  amounts of expenses with respect to the Class A and Class B
shares of the Fund:

<TABLE>
<CAPTION>

                                                                                  Interest,
                                     Printing and Mailing of                      Carrying or Other
                                     Prospectuses to New       Compensation to    Finance Charges
                     Advertising     Shareholders              Selling Brokers    Other
                     -----------     ------------              ---------------    -----
<S>                  <C>                    <C>                    <C>                <C>     
Class A shares       $13,395                $518                   $116,514           $      0

Class B shares       $17,054                $707                   $247,449           $338,251

</TABLE>
                                       26

<PAGE>

     Each of the Plans  provides that it will continue in effect only so long as
its continuance is approved at least annually by a majority of both the Trustees
and  the  Independent  Trustees.  Each  of the  Plans  provides  that  it may be
terminated (a) at any time by vote of a majority of the Trustees,  a majority of
the Independent  Trustees,  or a majority of the respective  Class'  outstanding
voting securities or (b) by the Distributor on 60 days' notice in writing to the
Fund. Each of the Plans further  provides that it may not be amended to increase
the maximum amount of the fees for the services  described  therein  without the
approval of a majority of the outstanding  shares of the class of the Fund which
has voting rights with respect to the Plan.  Each of the Plans  provides that no
material  amendment to the Plan will,  in any event,  be effective  unless it is
approved by a majority vote of the Trustees and the Independent  Trustees of the
Fund.  The  holders of Class A Shares and Class B Shares have  exclusive  voting
rights with respect to the Plan applicable to their  respective class of shares.
The Board of Trustees, including the Trustees who are not interested in the Fund
and have no direct or indirect  interest in the Plans,  has determined  that, in
their judgment, there is a reasonable likelihood that the Plans will benefit the
holders of the applicable class of shares of the Fund.

     Information  regarding  the  services  rendered  under  the  Plans  and the
Distribution Agreement and the amounts paid therefore by the respective Class of
the Fund are  provided to, and reviewed by, the Board of Trustees on a quarterly
basis. In its quarterly  review,  the Board of Trustees  considers the continued
appropriateness  of the Plans and the  Distribution  Agreement  and the level of
compensation provided therein.


NET ASSET VALUE

     For purposes of calculating the net asset value ("NAV") of a Fund's shares,
the following  procedures  are utilized  wherever  applicable.  Debt  investment
securities are valued on the basis of valuations furnished by a principal market
maker or a pricing  service,  both of which  generally  utilize  electronic data
processing  techniques to determine  valuations  for normal  institutional  size
trading units of debt securities without exclusive reliance upon quoted prices.

     Short-term debt investments  which have a remaining  maturity of 60 days or
less are generally valued at amortized cost which approximates  market value. If
market  quotations  are  not  readily  available  or if in  the  opinion  of the
Investment  Adviser any quotation or price is not  representative of true market
value,  the fair  value  of the  security  may be  determined  in good  faith in
accordance with procedures approved by the Trustees. The Fund will not price its
securities on the following national holidays:  New Year's Day; President's Day;
Good Friday;  Memorial Day;  Independence Day; Labor Day;  Thanksgiving Day; and
Christmas Day.


INITIAL SALES CHARGE ON CLASS A SHARES

     Shares of the Fund are  offered at a price  equal to their net asset  value
plus a sales charge which, at the option of the purchaser, may be imposed either
at the  time of  purchase  (the  "initial  sales  charge  alternative")  or on a
contingent  deferred  basis (the  "deferred  sales charge  


                                       27

<PAGE>

alternative").  Share  certificates  will not be issued unless  requested by the
shareholder in writing,  and then only will be issued for full shares. The Board
of  Trustees  reserves  the  right to change  or waive  the  minimum  investment
requirements and to reject any order to purchase shares  (including  purchase by
exchange)  when in the judgment of the  Investment  Adviser such rejection is in
the Fund's best interest.

     Initial  Sales charge on Class A Shares.  The sales  charges  applicable to
purchases of Class A Shares of the Fund are  described in the Fund's Class A and
Class B  Prospectus.  Methods of obtaining  reduced  sales  charges  referred to
generally in the  Prospectus are described in detail below.  In calculating  the
sales charge applicable to current purchases of Class A Shares,  the investor is
entitled to cumulate current purchases with the greater of the current value (at
offering  price) of the Class A Shares of the Fund,  or if Investor  Services is
notified by the  investor's  dealer or the investor at the time of the purchase,
the cost of the Class A Shares owned.

     Combined Purchases. In calculating the sales charge applicable to purchases
of Class A Shares made at one time,  the  purchases  will be combined if made by
(a) an  individual,  his or her  spouse and their  children  under the age of 21
purchasing  securities  for his or her  own  account,  (b) a  trustee  or  other
fiduciary  purchasing  for a single trust,  estate or fiduciary  account and (c)
certain groups of four or more  individuals  making use of salary  deductions or
similar  group  methods of payment  whose funds are combined for the purchase of
mutual fund shares.  Further  information  about combined  purchases,  including
certain  restrictions  on combined group  purchases,  is available from Investor
Services or a Selling Broker's representative.

     Without Sales  Charge.  As described in the Class A and Class B Prospectus,
Class A shares of the Fund may be sold without a sales charge to certain persons
described in the prospectus.

     Accumulation Privilege. Investors (including investors combining purchases)
who are already Class A Shareholders  may also obtain the benefit of the reduced
sales charge by taking into account not only the amount then being  invested but
also the  purchase  price or value of the  Class A Shares  already  held by such
person.

     Combination Privilege. Reduced sales charges (according to the schedule set
forth in the Class A and Class B  Prospectus)  also are available to an investor
based on the aggregate amount of his concurrent and prior investments in Class A
Shares of the Fund and  shares of all other John  Hancock  funds  which  carry a
sales charge.

     Letter  of  Intention.  The  reduced  sales  loads are also  applicable  to
investments  made over a  specified  period  pursuant  to a Letter of  Intention
(LOI), which should be read carefully prior to its execution by an investor. The
Fund offers two options  regarding the specified  period for making  investments
under the LOI. All investors have the option of making their  investments over a
period of thirteen  (13) months.  Investors  who are using the Fund as a funding
medium  for a  qualified  retirement  plan,  however,  may not  opt to make  the
necessary  investments  called  for by the LOI  over a  forty-eight  (48)  month
period. These qualified retirement plans include IRA'S, SEP, SARSEP, TSA, 401(k)
plans, TSA plans and 457 plans. Such an investment (including  


                                       28

<PAGE>

accumulations and  combinations)  must aggregate $50,000 or more invested during
the specified  period from the date of the LOI or from a date within ninety (90)
days prior thereto, upon written request to Investor Services.  The sales charge
applicable to all amounts invested under the LOI is computed as if the aggregate
amount intended to be invested had been invested immediately.  If such aggregate
amount is not actually  invested,  the  difference in the sales charge  actually
paid and the sales charge payable had the LOI not been in effect is due from the
investor.  However,  for the purchases  actually made with the specified  period
(either 13 or 48 months),  the sales charge  applicable  will not be higher than
that which would have been applied  (including  accumulations  and combinations)
had the LOI been for the amount actually invested.

     The LOI authorizes  Investor  Services to hold in escrow sufficient Class A
shares  (approximately  5%) of the aggregate to make up any  difference in sales
charges on the amount intended to be invested and the amount actually  invested,
until such investment is completed  within the specified  period,  at which time
the escrow shares will be released. If the total investment specified in the LOI
is not  completed,  the Class A shares  held in escrow may be  redeemed  and the
proceeds  used as required  to pay such sales  charges as may be due. By signing
the  LOI,   the   investor   authorizes   Investor   Services   to  act  as  his
attorney-in-fact  to redeem any escrowed shares and adjust the sales charge,  if
necessary.  A LOI does not  constitute  a binding  commitment  by an investor to
purchase, or by the Fund to sell, any additional shares and may be terminated at
any time.


DEFERRED SALES CHARGE ON CLASS B SHARES

     Contingent  Deferred  Sales  Charge.  Investments  in  Class B  shares  are
purchased at net asset value per share without the  imposition of a sales charge
so that the Fund will receive the full amount of the purchase  payment.  Class B
Shares  which are  redeemed  within six years of  purchase  will be subject to a
contingent  deferred sales charge ("CDSC") at the rates set forth in the Class A
and Class B Prospectus as a percentage of the dollar amount subject to the CDSC.
The charge  will be  assessed  on an amount  equal to the lesser of the  current
market value or the original purchase cost of the Class B Shares being redeemed.
Accordingly,  no CDSC will be imposed on  increases  in account  value above the
initial purchase prices,  including Class B Shares derived from  reinvestment of
dividends or capital gains distributions.

     The amount of the CDSC, if any, will vary  depending on the number of years
from the time of payment for the  purchase  of Class B Shares  until the time of
redemption  of such  shares.  Solely for purposes of  determining  the number of
years from the time of any payment for the  purchases  of shares,  all  payments
during a month will be  aggregated  and deemed to have been made on the last day
of the month.

     Proceeds from the CDSC are paid to the Distributor and are used in whole or
in  part  by the  Distributor  to  defray  its  expenses  related  to  providing
distribution-related  services  to the Fund in  connection  with the sale of the
Class B Shares,  such as the payment of  compensation  to select Selling Brokers
for selling Class B Shares. The combination of the CDSC and the distribution and
service  fees  facilitates  the  ability  of the Fund to sell the Class B Shares
without a sales charge 


                                       29

<PAGE>

being  deducted  at the  time  of the  purchase.  See the  Class  A and  Class B
Prospectus for additional information regarding the CDSC.


SPECIAL REDEMPTIONS

     Although  it is the Fund's  present  policy to make  payment of  redemption
proceeds in cash, if the Board of Trustees  determines  that a material  adverse
effect  would  otherwise  be  experienced  by  remaining  investors,  redemption
proceeds may be paid in whole or in part by a distribution in kind of securities
from  the  Fund  in  conformity  with  rules  of  the  Securities  and  Exchange
Commission,  valuing  such  securities  in the same  manner  they are  valued in
determining  NAV, and selecting  the  securities in such manner as the Board may
deem fair and equitable.  If such a  distribution  occurs,  investors  receiving
securities  and selling them before their  maturity  could receive less than the
redemption  value of such  securities  and, in  addition,  could  incur  certain
transaction  costs.  Such a redemption is not as liquid as a redemption  paid in
cash or federal  funds.  The Fund has elected to be governed by Rule 18f-1 under
the 1940 Act, pursuant to which the Fund is obligated to redeem shares solely in
cash up to the  lesser  of  $250,000  or 1% of the net  asset  value of the Fund
during any 90 day period for any one account.


ADDITIONAL SERVICES AND PROGRAM

     Exchange  Privilege.  As  described  more  fully in the Class A and Class B
Prospectus,  the Fund  permits  exchanges of shares of any class of the Fund for
shares of the same class in any other John Hancock fund offering that class.

     Systematic Withdrawal Plan. As described briefly in the Class A and Class B
Prospectus,  the Fund permits the establishment of a Systematic Withdrawal Plan.
Payments under this plan represent  proceeds arising from the redemption of Fund
shares.  Since the redemption  price of Fund shares may be more or less than the
shareholder's  cost,  depending upon the market value of the securities owned by
the Fund at the time of redemption,  the  distribution  of cash pursuant to this
plan may result in  realization  of gain or loss for purposes of Federal,  state
and  local  income  taxes.  The  maintenance  of a  Systematic  Withdrawal  Plan
concurrently  with purchases of additional Class A or Class B Shares of the Fund
could be  disadvantageous  to a shareholder  because of the initial sales charge
payable on such  purchases of Class A Shares and the CDSC imposed on redemptions
of Class B Shares and because  redemptions  are  taxable  events.  Therefore,  a
shareholder  should not  purchase  Fund shares at the same time as a  Systematic
Withdrawal  Plan is in  effect.  The  Fund  reserves  the  right  to  modify  or
discontinue the Systematic  Withdrawal Plan of any shareholder on 30 days' prior
written notice to such  shareholder,  or to discontinue the availability of such
plan in the future. The shareholder may terminate the plan at any time by giving
proper notice to Fund Services.

     Monthly Automatic Accumulation Program ("MAAP").  This program is explained
fully in the Fund's  Class A and Class B Prospectus  and the Account  Privileges
Application.  The program,  as it relates to  automatic  investment  checks,  is
subject to the following conditions;


                                       30

<PAGE>

     The investments will be drawn on or about the day of the month indicated.

     The  privilege  of  making   investments   through  the  Monthly  Automatic
Accumulation Program may be revoked by Investor Services without prior notice if
any investment is not honored by the shareholder's bank. The bank shall be under
no obligation to notify the shareholder as to the non-payment of any check.

     The  program  may be  discontinued  by the  shareholder  either by  calling
Investor  Services or upon written notice to Investor Services which is received
at least five (5) business days prior to the due date of any investment.

     Reinvestment  Privilege.  A  shareholder  who has redeemed Fund shares may,
within  120 days after the date of  redemption,  reinvest  without  payment of a
sales charge any part of the redemption  proceeds in shares of the same class of
the Fund or another John Hancock mutual fund,  subject to the minimum investment
limit in that fund.  The proceeds  from the  redemption of Class A Shares may be
reinvested at net asset value without paying a sales charge in Class A Shares of
the Fund or in Class A Shares of another John Hancock mutual fund. If a CDSC was
paid upon a  redemption,  a  shareholder  may reinvest  the  proceeds  from that
redemption at net asset value in  additional  shares of the class from which the
redemption was made. The shareholder's  account will be credited with the amount
of any CDSC charged upon the prior  redemption  and the new shares will continue
to be subject to the CDSC.  The holding  period of the shares  acquired  through
reinvestment  will, for purposes of computing the CDSC payable upon a subsequent
redemption,  include the holding  period of the  redeemed  shares.  The Fund may
modify or terminate the reinvestment privilege at any time.

     A  redemption  or  exchange  of Fund  shares is a taxable  transaction  for
Federal income tax purposes.  Even if the  reinvestment  privilege is exercised,
and any  gain or loss  realized  by a  shareholder  on the  redemption  or other
disposition  of Fund shares will be treated for tax purposes as described  under
the caption "Tax Status."


DESCRIPTION OF THE FUND'S SHARES

     Shares of the Fund.  Ownership of the Fund is represented  by  transferable
shares of beneficial interest.  The Declaration of Trust permits the Trustees to
create an unlimited number of series and classes of shares of the Fund and, with
respect  to each  series  and  class,  to issue an  unlimited  number of full or
fractional  shares and to divide or combine  the shares into a greater or lesser
number of shares without thereby changing the proportionate beneficial interests
of the Fund.

     Each  share  of each  series  or  class  of the  Fund  represents  an equal
proportionate  interest  with each other in that  series or class,  none  having
priority  or  preference  over  other  shares of the same  series or class.  The
interest of investors  in the various  series or classes of the Fund is separate
and distinct. All consideration received for the sales of shares of a particular
series or 


                                       31

<PAGE>

class of the Fund,  all assets in which such  consideration  is invested and all
income,  earnings and profits derived from such investments will be allocated to
and belong to that  series or class.  As such,  each such share is  entitled  to
dividends and  distributions  out of the net income  belonging to that series or
class as declared by the Board of Trustees.  Shares of the Fund have a par value
of $0.01 per share. The assets of each series are segregated on the Fund's books
and are  charged  with the  liabilities  of that  series and with a share of the
Fund's general  liabilities.  The Board of Trustees  determines those assets and
liabilities  deemed to be general  assets or  liabilities of the Fund, and these
items are allocated  among each series in  proportion to the relative  total net
assets of each series. In the unlikely event that the liabilities allocable to a
series  exceed the assets of that series,  all or a portion of such  liabilities
may have to be borne by the other series.

     Pursuant to the  Declaration  of Trust,  the  Trustees  may  authorize  the
creation of additional series of shares (the proceeds of which would be invested
in separate, independently managed portfolios) and additional classes within any
series  (which  would be used to  distinguish  among  the  rights  of  different
categories of shareholders,  as might be required by future regulations or other
unforeseen  circumstances).  As of the  date of  this  Statement  of  Additional
Information,  the Trustees have authorized the issuance of two classes of shares
of the Fund designated as Class A and Class B. Class A and Class B Shares of the
Fund represent an equal proportionate interest in the aggregate net asset values
attributable  to that  class of the Fund.  Holders of Class A Shares and Class B
Shares each have  certain  exclusive  voting  rights on matters  relating to the
Class A Plan and the Class B Plan,  respectively.  The different  classes of the
Fund may bear  different  expenses  relating to the cost of holding  shareholder
meetings necessitated by the exclusive voting rights of any class of shares.

     Dividends  paid by the Fund,  if any,  with respect to each class of shares
will be calculated in the same manner,  at the same time and on the same day and
will be in the same amount,  except for differences  caused by the fact that (i)
Class B Shares will pay higher distribution and service fees than Class A Shares
and (ii) each of Class A Shares and Class B Shares will bear any class  expenses
properly allocable to such class of shares,  subject to the conditions set forth
in a private letter ruling that the Fund has received from the Internal  Revenue
Service  relating to its multiple-  class  structure.  Similarly,  the net asset
value per share may vary depending  whether Class A Shares or Class B Shares are
purchased.

     Voting Rights. Shareholders are entitled to a full vote for each full share
held. The Trustees  themselves  have the power to alter the number and the terms
of office of Trustees, and they may at any time lengthen their own terms or make
their terms of unlimited  duration  (subject to certain removal  procedures) and
appoint their own successors,  provided that at all times at least a majority of
the  Trustees  have  been  elected  by   shareholders.   The  voting  rights  of
shareholders are not cumulative,  so that holders of more than 50 percent of the
shares voting can, if they choose, elect all Trustees being selected,  while the
holders of the remaining shares would be unable to elect any Trustees.  Although
the Fund need not hold annual  meetings of  shareholders,  the trustees may call
special  meetings  of  shareholders  for  action by  shareholder  vote as may be
required by the 1940 Act or the  Declaration  of Trust.  Also,  a  shareholder's
meeting  must be called if so  requested  in writing by the holders of record of
10% or more of the 


                                       32

<PAGE>

outstanding shares of the Fund. In addition,  the Trustees may be removed by the
action of the holders of record of two-thirds or more of the outstanding shares.

     Shareholder  Liability.  The Declaration of Trust provides that no Trustee,
officer,  employee  or  agent  of  the  Fund  is  liable  to  the  Fund  or to a
shareholder,  nor is any Trustee, officer, employee or agent liable to any third
persons in connection with the affairs of the Fund, except as such liability may
arise from his or its own bad faith,  willful  misfeasance,  gross negligence or
reckless  disregard of his duties. It also provides that all third persons shall
look  solely to the  Fund's  property  for  satisfaction  of claims  arising  in
connection  with the  affairs  of the  Fund.  With the  exceptions  stated,  the
Declaration  of Trust  provides  that a Trustee,  officer,  employee or agent is
entitled to be indemnified  against all liability in connection with the affairs
of the Fund.

     As a Massachusetts  business trust, the Fund is not required to issue share
certificates.  The Fund shall continue without limitation of time subject to the
provisions in the Declaration of Trust  concerning  termination by action of the
shareholders.

     Reports to  Shareholders.  Shareholders of the Fund will receive annual and
semi-annual reports showing diversification of investments, securities owned and
other information  regarding the Fund's activities.  The financial statements of
the Fund are audited at least once a year by the Fund's independent auditors.

     Registration  Statement.  This Statement of Additional  Information and the
Prospectus  do not  contain  all of the  information  set  forth  in the  Fund's
Registration  Statement filed with the Securities and Exchange  Commission.  The
complete Registration Statement may be obtained from the Securities and Exchange
Commission  upon payment of the fee  prescribed by the rules and  regulations of
the Commission.


TAX STATUS

     The Fund has qualified and elected to be treated as a "regulated investment
company"  under  Subchapter M of the Internal  Revenue Code of 1986,  as amended
(the "Code"),  and intends to continue to so qualify in the future.  As such and
by complying with the applicable provisions of the Code regarding the sources of
its income,  the timing of its  distributions,  and the  diversification  of its
assets,  the Fund will not be subject to  Federal  income tax on taxable  income
(including net short-term  and long-term  capital gains from the  disposition of
portfolio  securities or the right to when-issued  securities prior to issuance,
or from the lapse, exercise, delivery under or closing out of options or futures
contracts,  income from  repurchase  agreements  and other  taxable  securities,
income attributable to accrued market discount,  income from securities lending,
and a portion of the discount from certain  stripped  tax-exempt  obligations or
their  coupons)  which is  distributed  to  shareholders  at least  annually  in
accordance with the timing requirements of the Code.

     The Fund will be  subject  to a 4%  non-deductible  Federal  excise  tax on
certain amounts not distributed (and not treated as having been  distributed) on
a timely basis in accordance with


                                       33

<PAGE>

annual  minimum  distribution  requirements.   The  Fund  intends  under  normal
circumstances  to avoid liability for such tax by satisfying  such  distribution
requirements.

     Distributions  from the Fund's current or accumulated  earnings and profits
("E&P"),  as  computed  for  Federal  income  tax  purposes,  will be taxable as
described in the Fund's Prospectus  whether taken in shares or in cash.  Amounts
that are not  allowable as a deduction in computing  taxable  income,  including
expenses  associated  with earning  tax-exempt  interest  income,  do not reduce
current  E&P for this  purpose.  Distributions,  if any,  in  excess of E&P will
constitute a return of capital,  which will first reduce an investor's tax basis
in Fund  shares  and  thereafter  (after  such  basis is  reduced  to zero) will
generally  give  rise  to  capital  gains.   Shareholders  electing  to  receive
distributions  in the form of  additional  shares  will  have a cost  basis  for
Federal  income tax  purposes in each share so  received  equal to the amount of
cash they would have received had they elected to receive the  distributions  in
cash, divided by the number of shares received.

     The  Fund's   distributions   of  tax-exempt   interest   ("exempt-interest
dividends")  timely  designated as such will be treated as  tax-exempt  interest
under the Code,  provided  that the Fund  qualifies  as a  regulated  investment
company  and at least 50% of the value of its assets at the end of each  quarter
of its taxable  year is invested in  tax-exempt  obligations.  Shareholders  are
required  to  report  their  receipt  of  tax-exempt  interest,  including  such
distributions,  on their Federal  income tax returns.  The portion of the Fund's
distributions designated as exempt-interest dividends may differ from the actual
percentage that its tax-exempt  income  comprised of its total income during the
period of any  particular  shareholder's  investment.  The Fund  will  report to
shareholders the amount designated as exempt-interest dividends for each year.

     Interest  income from certain  types of  tax-exempt  bonds that are private
activity  bonds  in  which  the Fund may  invest  is  treated  as an item of tax
preference  for purposes of the Federal  alternative  minimum tax. To the extent
that the Fund invests in these types of tax-exempt  bonds,  shareholders will be
required to treat as an item of tax preference for Federal  alternative  minimum
purposes that part of the Fund's exempt-interest dividends which is derived from
interest on these  tax-exempt  bonds.  Exempt-interest  dividends  derived  from
interest income from all tax-exempt bonds may be included in corporate "adjusted
current  earnings"  for  purposes  of  computing  the  alternative  minimum  tax
liability, if any, of corporate shareholders of the Fund.

     The amount of the Fund's net  short-term and long-term  capital  gains,  if
any, in any given year will vary depending upon the Adviser's current investment
strategy and whether the Adviser  believes it to be in the best  interest of the
Fund to  dispose  of  portfolio  securities  or enter  into  options  or futures
transactions  that will  generate  capital  gains.  At the time of an investor's
purchase of Fund shares,  a portion of the purchase price is often  attributable
to  realized  or  unrealized  appreciation  in the  Fund's  portfolio  or,  less
frequently,   to  undistributed  taxable  income  of  the  Fund.   Consequently,
subsequent distributions from such appreciation or income may be taxable to such
investor even if the net asset value of the investor's shares is, as a result of
the  distributions,  reduced below the investor's cost for such shares,  and the
distributions in reality represent a return of a portion of the purchase price.


                                       34

<PAGE>

     Upon a  redemption  of shares of the Fund  (including  by  exercise  of the
exchange  privilege) a shareholder  may realize a taxable gain or loss depending
upon his basis in his shares.  Such gain or loss will be treated as capital gain
or loss if the shares are capital assets in the shareholder's  hands and will be
long-term or short-term, depending upon the shareholder's tax holding period for
the shares.  A sales charge paid in purchasing Class A shares of the Fund cannot
be taken into account for purposes of determining gain or loss on the redemption
or  exchange of such  shares  within 90 days after their  purchase to the extent
shares  of the Fund or  another  John  Hancock  Fund are  subsequently  acquired
without  payment of a sales  charge  pursuant  to the  reinvestment  or exchange
privilege. Such disregarded load will result in an increase in the shareholder's
tax basis in the shares  subsequently  acquired.  Also,  any loss  realized on a
redemption or exchange  will be disallowed to the extent the shares  disposed of
are replaced  with  identical or  substantially  identical  securities  within a
period of 61 days  beginning  30 days before and ending 30 days after the shares
are  disposed  of, such as pursuant  to an  election  to reinvest  dividends  in
additional  shares.  In such a case,  the basis of the shares  acquired  will be
adjusted to reflect the  disallowed  loss. Any loss realized upon the redemption
of shares with a tax holding  period of six months or less will be disallowed to
the extent of all  exempt-interest  dividends  paid with  respect to such shares
and, if not thus disallowed,  will be treated as a long-term capital loss to the
extent of any amounts treated as  distributions  of long-term  capital gain with
respect to such shares.

     Although its present  intention is to  distribute  all net  short-term  and
long-term  capital  gains,  if any,  the Fund  reserves  the right to retain and
reinvest all or any portion of its "net capital  gain," which is the excess,  as
computed for Federal income tax purposes, of net long-term capital gain over net
short-term  capital loss in any year. The Fund will not in any event  distribute
net  capital  gain  realized  in any year to the extent  that a capital  loss is
carried  forward from prior years  against such gain.  To the extent such excess
was retained  and not  exhausted  by the carry  forward of prior years'  capital
losses, it would be subject to Federal income tax in the hands of the Fund. Each
shareholder  would be treated for Federal income tax purposes as if the Fund had
distributed  to him on the last day of its  taxable  year his pro rata  share of
such  excess,  and he had paid his pro rata  share of the taxes paid by the Fund
and reinvested the remainder in the Fund.  Accordingly,  each shareholder  would
(a) include his pro rata share of such excess as  long-term  capital gain income
in his return for his taxable  year in which the last day of the Fund's  taxable
year falls,  (b) be  entitled  either to a tax credit on his return for, or to a
refund of, his pro rata share of the taxes paid by the Fund, and (c) be entitled
to increase the adjusted tax basis for his shares in the Fund by the  difference
between his pro rata share of such excess and his pro rata share of such taxes.

     For Federal income tax purposes,  the Fund is generally  permitted to carry
forward a net capital loss in any year to offset its net capital gains,  if any,
during the eight years following the year of the loss. To the extent  subsequent
net capital  gains are offset by such  losses,  they would not result in Federal
income tax liability to the Fund and, as noted above,  would not be  distributed
as such to  shareholders.  The  Fund  has  $12,505,428  of  capital  loss  carry
forwards,  $7,349,795  expires in 2002 and $5,155,633  expires in 2003 which are
available to offset future net capital gains.

     Interest on  indebtedness  incurred by a  shareholder  to purchase or carry
shares of the Fund will not be deductible for Federal income tax purposes to the
extent it is  deemed  related  to  


                                       35

<PAGE>

exempt-interest  dividends paid by the Fund.  Pursuant to published  guidelines,
the Internal Revenue Service may deem indebtedness to have been incurred for the
purpose of  purchasing  or carrying  shares of the Fund even though the borrowed
funds may not be directly traceable to the purchase of shares.

     Dividends paid by the Fund to its corporate  shareholders  will not qualify
for the corporate dividends received deduction in their hands.

     If the Fund  invests in zero coupon  securities  or, in general,  any other
securities  with original  issue  discount (or with market  discount if the Fund
elects to include  accrued market discount in income  currently),  the Fund must
accrue income on such investments prior to the receipt of the corresponding cash
payments.  However,  the  Fund  must  distribute,  at  least  annually,  all  or
substantially  all  of  its  net  income,  including  such  accrued  income,  to
shareholders  to qualify as a regulated  investment  company  under the Code and
avoid Federal income and excise taxes.  Therefore,  the Fund may have to dispose
of its portfolio  securities  under  disadvantageous  circumstances  to generate
cash,  or may  have to  leverage  itself  by  borrowing  the  cash,  to  satisfy
distribution requirements.

     Limitations imposed by the Code on regulated  investment companies like the
Fund  may  restrict  the  Fund's  ability  to enter  into  futures  and  options
transactions.

     Certain options and futures  transactions  undertaken by the Fund may cause
the Fund to  recognize  gains or losses  from  marking to market even though its
positions have not been sold or terminated and affect the character as long-term
or short-term and timing of some capital gains and losses  realized by the Fund.
Also,  certain of the Fund's  losses on its  transactions  involving  options or
futures contracts and/or offsetting  portfolio  positions may be deferred rather
than being taken into account  currently in calculating the Fund's gains.  These
transactions may therefore affect the amount, timing and character of the Fund's
distributions  to  shareholders.  Certain  of the  applicable  tax  rules may be
modified if the Fund is eligible  and chooses to make one or more of certain tax
elections that may be available. The Fund will take into account the special tax
rules (including consideration of available elections) applicable to options and
futures contracts in order to minimize any potential adverse tax consequences.

     The foregoing  discussion  relates solely to U.S. Federal income tax law as
applicable to U.S. persons (i.e.,  U.S.  citizens or residents and U.S. domestic
corporations,  partnerships,  trusts or estates)  subject to tax under such law.
The discussion does not address special tax rules  applicable to certain classes
of investors,  such as tax-exempt entities,  insurance companies,  and financial
institutions.  Dividends, capital gain distributions,  and ownership of or gains
realized on the  redemption  (including  an exchange) of Fund shares may also be
subject to state and local  taxes.  Shareholders  should  consult  their own tax
advisers as to the  Federal,  state or local tax  consequences  of  ownership of
shares  of, and  receipt of  distributions  from,  the Fund in their  particular
circumstances.

     Non-U.S. investors not engaged in a U.S. trade or business with which their
investment in the Fund is effectively  connected will be subject to U.S. Federal
income  tax  treatment  that is  


                                       36

<PAGE>

different  from  that  described  above.  These  investors  may  be  subject  to
nonresident  alien  withholding tax at the rate of 30% (or a lower rate under an
applicable  tax treaty) on amounts  treated as ordinary  dividends from the Fund
and,  unless an effective IRS Form W-8 or  authorized  substitute is on file, to
31%  backup  withholding  on certain  other  payments  from the Fund.  Non- U.S.
investors  should  consult their tax advisers  regarding  such treatment and the
application of foreign taxes to an investment in the Fund.

     The Fund is not  subject to  Massachusetts  corporate  excise or  franchise
taxes.  Provided that the Fund qualifies as a regulated investment company under
the Code, it will also not be required to pay any Massachusetts income tax.


CALCULATION OF PERFORMANCE

     For the 30-day period ended December 31, 1995, the annualized yields of the
Fund's Class A Shares and Class B Shares were 5.11% and 4.61%, respectively.

     As of December 31, 1995,  the average  annual total  returns of the Class A
Shares of the Fund for the one year  period  and since  inception  on January 5,
1990 were 14.79% and 8.39%, respectively 14.67% and 8.06%, respectively, without
taking into  account the expense  limitation  arrangements).  As of December 31,
1995,  the average annual returns for the Fund's Class B Shares for the one year
period  and since  inception  on  December  31,  1991  were  14.20%  and  7.24%,
respectively  14.30% and 7.07%,  respectively,  without  taking into account the
expense limitation arrangements).

     The Fund's  yield is computed by dividing net  investment  income per share
determined  for a 30-day period by the maximum  offering  price per share (which
includes the full sales charge) on the last day of the period,  according to the
following standard formula:


Yield  =       2   [ (a-b + 1 )6  -1]
                      ---
                      cd

Where:

          a=   dividends and interest earned during the period.

          b=   net expenses accrued during the period.

          c=   the average  daily number of fund shares  outstanding  during the
               period that would be entitled to receive dividends.

          d=   the  maximum  offering  price  per  share  on the last day of the
               period (NAV where applicable).


                                       37

<PAGE>

     The Fund may  advertise  a  tax-equivalent  yield,  which  is  computed  by
dividing  that portion of the yield of the Fund which is tax-exempt by one minus
a stated income tax rate and adding the product to that portion,  if any, of the
yield of the Fund that is not  tax-exempt.  The tax  equivalent  yields  for the
Fund's  Class A and Class B Shares at the  maximum  36% tax rate for the  30-day
period ended December 31, 1995 were 7.98% and 7.20%, respectively.

     The  Fund's  total  return  is  computed  by  finding  the  average  annual
compounded  rate of return over the 1-year,  5-year,  and 10-year  periods  that
would  equate  the  initial  amount  invested  to the  ending  redeemable  value
according to the following formula:

      n  ________
T=   \ / ERV/P -1

Where:

          P=   a hypothetical initial investment of $1,000.

          T=   average annual total return

          n=   number of years

          ERV= ending redeemable value of a hypothetical  $1,000 investment made
               at the beginning of the 1-year and life-of-fund periods.

     In the case of Class A Shares or Class B Shares,  this calculation  assumes
the maximum  sales charge is included in the initial  investment  or the CDSC is
applied  at the end of the  period.  This  calculation  also  assumes  that  all
dividends  and   distributions   are  reinvested  at  net  asset  value  on  the
reinvestment dates during the period.  The "distribution  rate" is determined by
annualizing the result of dividing the declared dividends of the Fund during the
period stated by the maximum offering price or net asset value at the end of the
period.

     In addition to average annual total returns,  the Fund may quote unaveraged
or  cumulative  total  returns  reflecting  the  simple  change  in  value of an
investment  over a stated  period.  Cumulative  total returns may be quoted as a
percentage or as a dollar amount, and may be calculated for a single investment,
a series of investments,  and/or a series of redemptions,  over any time period.
Total  returns may be quoted  with or without  taking the Fund's  maximum  sales
charge on Class A Shares or the CDSC on Class B Shares into  account.  Excluding
the Fund's  sales charge on Class A Shares and the CDSC on Class B Shares from a
total return calculation produces a higher total return figure.

     From time to time, in reports and promotional literature,  the Fund's yield
and total  return will be compared to indices of mutual  funds and bank  deposit
vehicles such as Lipper Analytical Services, Inc.'s "Lipper -- Fixed Income Fund
Performance  Analysis," a monthly  publication  which  tracks net assets,  total
return,  and yield on fixed income mutual funds in the United  States.  


                                       38

<PAGE>

Ibottson and  Associates,  CDA  Weisenberger  and F.C.  Towers are also used for
comparison purposes, as well a the Russell and Wilshire Indices.

     Performance   rankings  and  ratings  reported   periodically  in  national
financial publications such as MONEY Magazine,  FORBES,  BUSINESS WEEK, THE WALL
STREET JOURNAL,  MICROPAL, INC., MORNINGSTAR,  STANGER'S and BARRON'S, etc. will
also be utilized. The Fund's promotional and sales literature may make reference
to the Fund's  "beta." Beta is a reflection  of the  market-related  risk of the
Fund by showing how responsive the Fund is to the market.

     The  performance  of the  Fund  is not  fixed  or  guaranteed.  Performance
quotations should not be considered to be  representations of performance of the
Fund for any period in the future.  The performance of the Fund is a function of
many factors including its earnings,  expenses and number of outstanding shares.
Fluctuating  market  conditions;  purchases,  sales and  maturities of portfolio
securities;  sales and redemptions of shares of beneficial interest; and changes
in  operating  expenses  are all examples of items that can increase or decrease
the Fund's performance.


BROKERAGE ALLOCATION

     Decisions  concerning the purchase and sale of portfolio securities and the
allocation of brokerage  commissions are made by the Investment Adviser pursuant
to recommendations made by its investment committee,  which consists of officers
and directors of the Investment Adviser and affiliates and officers and Trustees
who are  interested  persons  of the Fund.  Orders  for  purchases  and sales of
securities  are  placed in a manner  which,  in the  opinion  of the  Investment
Adviser,  will offer the best price and  market for the  execution  of each such
transaction.  Purchases from underwriters of portfolio  securities may include a
commission  or  commissions  paid by the issuer and  transactions  with  dealers
serving as market makers reflect a "spread."  Investments in debt securities are
generally  traded on a net basis through dealers acting for their own account as
principals  and not as brokers;  no  brokerage  commissions  are payable on such
transactions.

     The  Fund's  primary  policy  is to  execute  all  purchases  and  sales of
portfolio  instruments  at  the  most  favorable  prices  consistent  with  best
execution,  considering all of the costs of the transaction  including brokerage
commissions.  This policy  governs the  selection of brokers and dealers and the
market in which a transaction is executed. Consistent with the foregoing primary
policy,  the  Rules of Fair  Practice  of the NASD and other  policies  that the
Trustees may determine,  the Investment  Adviser may consider sales of shares of
the Fund as a factor in the  selection of  broker-dealers  to execute the Fund's
portfolio transactions.

     To the extent  consistent with the foregoing,  the Fund will be governed in
the  selection  of  brokers  and  dealers,  and  the  negotiation  of  brokerage
commission  rates and dealer  spreads,  by the  reliability  and  quality of the
services, including primarily the availability and value of research information
and to a  lesser  extent  statistical  assistance  furnished  to the  Investment
Adviser  of  the  


                                       39

<PAGE>

Fund, and their value and expected  contribution to the performance of the Fund.
It is not  possible to place a dollar  value on  information  and services to be
received  from  brokers  and  dealers,  since  it is only  supplementary  to the
research efforts of the Investment Adviser.  The receipt of research information
is not expected to reduce  significantly the expenses of the Investment Adviser.
The research  information  and statistical  assistance  furnished by brokers and
dealers may benefit the Life Company or other advisory clients of the Investment
Adviser,  and  conversely,  brokerage  commissions  and  spreads  paid by  other
advisory  clients of the Investment  Adviser may result in research  information
and  statistical  assistance  beneficial  to the  Fund.  The Fund  will  make no
commitments to allocate portfolio  transactions upon any prescribed basis. While
the Fund's  officers  will be primarily  responsible  for the  allocation of the
Fund's brokerage  business,  their policies and practices in this regard must be
consistent  with the foregoing and will at all times be subject to review by the
Trustees.  For the fiscal  years ended  December  31,  1995,  1994 and 1993,  no
negotiated brokerage commissions were paid on portfolio transactions.

     As permitted by Section 28(e) of the  Securities  Exchange Act of 1934, the
Fund may pay to a broker which provides  brokerage and research  services to the
Fund an amount of disclosed commission in excess of the commission which another
broker would have  charged for  effecting  that  transaction.  This  practice is
subject  to a good  faith  determination  by the  Trustees  that  the  price  is
reasonable  in light of the services  provided and to policies that the Trustees
may adopt from time to time. During the fiscal year ended December 31, 1995, the
Fund  did not pay  commissions  as  compensation  to any  brokers  for  research
services  such as industry,  economic  and company  reviews and  evaluations  of
securities.

     The Investment Adviser's indirect parent, the Life Company, is the indirect
sole shareholder of Tucker Anthony Incorporated  ("Tucker Anthony") John Hancock
Distributors,  Inc.  ("John  Hancock  Distributors")  and Sutro & Company,  Inc.
("Sutro"),  which  are  broker-dealers   ("Affiliated  Brokers").   Pursuant  to
procedures  determined by the Trustees and  consistent  with the above policy of
obtaining best net results, the Fund may execute portfolio  transactions with or
through  Tucker  Anthony,  Sutro or John Hancock  Distributors.  During the year
ended  December 31, 1995,  the Fund did not execute any  portfolio  transactions
with then affiliated brokers.

     Any of the  Affiliated  Brokers  may act as broker for the Fund on exchange
transactions,  subject,  however,  to the  general  policy of the Fund set forth
above and the  procedures  adopted  by the  Trustees  pursuant  to the 1940 Act.
Commissions paid to an Affiliated  Broker must be at least as favorable as those
which the Trustees believe to be  contemporaneously  charged by other brokers in
connection with  comparable  transactions  involving  similar  securities  being
purchased or sold. A transaction  would not be placed with an Affiliated  Broker
if the  Fund  would  have to pay a  commission  rate  less  favorable  than  the
Affiliated Broker's  contemporaneous charges for comparable transactions for its
other most favored, but unaffiliated,  customers,  except for accounts for which
the Affiliated  Broker acts as a clearing broker for another brokerage firm, and
any customers of the Affiliated  Broker not comparable to the Fund as determined
by a majority of the Trustees who are not interested  persons (as defined in the
1940 Act) of the Fund, the Investment Adviser or the Affiliated Brokers. Because
the Investment Adviser, which is affiliated with the Affiliated Brokers, has, as
an  investment  adviser  to the  Fund,  the  obligation  to  provide  


                                       40

<PAGE>

investment management services,  which includes elements of research and related
investment  skills,  such  research  and related  skills will not be used by the
Affiliated Brokers as a basis for negotiating  commissions at a rate higher than
that determined in accordance with the above criteria.  The Fund will not effect
principal transactions with Affiliated Brokers.

     The Fund's portfolio turnover rates for the fiscal years ended December 31,
1994 and 1995 were 107% and 113%, respectively.


TRANSFER AGENT SERVICES

     John Hancock  Investor  Services  Corporation,  P.O. Box 9116,  Boston,  MA
02205-9116,  a wholly owned  indirect  subsidiary  of the Life  Company,  is the
transfer and dividend paying agent for the Fund. The Fund pays Investor Services
a monthly  transfer  agent  fee of $19 per  account  for the Class A Shares  and
$22.50 per account for the Class B Shares,  plus out-of-pocket  expenses.  These
expenses are  aggregated  and charged to the fund and allocated to each class on
the basis of the relative net asset values.


CUSTODY OF PORTFOLIO

     Portfolio securities of the Fund are held pursuant to a custodian agreement
between the Fund and Investors Bank & Trust Company, 24 Federal Street,  Boston,
Massachusetts  02110.  Under the  custodian  agreement,  Investors  Bank & Trust
Company performs custody, portfolio and fund accounting services.


INDEPENDENT AUDITORS

     Ernst & Young LLP, 200 Clarendon Street,  Boston,  Massachusetts 02116, has
been selected as the independent  auditors of the Fund. The financial statements
of the  Fund  included  in the  Prospectus  and  this  Statement  of  Additional
Information have been audited by Ernst & Young LLP for the periods  indicated in
their report thereon appearing  elsewhere  herein,  and are included in reliance
upon such report given upon the  authority of such firm as experts in accounting
and auditing.


                                       41
<PAGE>

                                   APPENDIX A

                             TAX EXEMPT BOND RATINGS

     Below is a  description  of the six  ratings  that may apply to the  Fund's
investments in Tax-Exempt Bonds.

Tax-Exempt Bond Ratings

     Moody's describes its six highest ratings for Tax-Exempt Bonds as follows:

     Bonds which are rated Aaa are judged to be of the best quality.  They carry
the smallest  degree of investment  risk and are generally  referred to as 'gilt
edge'.  Interest payments are protected by a large or by an exceptionally stable
margin and principal is secure. While the various protective elements are likely
to change,  such changes as can be  visualized  are most  unlikely to impair the
fundamentally strong position of such issues.

     Bonds which are rated Aa are judged to be of high quality by all standards.
Together with the Aaa group they comprise what are generally known as high grade
bonds.  They are rated lower than the best bonds  because  margins of protection
may not be as large as in Aaa securities or  fluctuation of protective  elements
may be of greater  amplitude or there may be other  elements  present which make
the long term risks appear somewhat larger than in Aaa securities.

     Bonds which are rated A possess many  favorable  investment  attributes and
are to be considered as upper medium grade obligations.  Factors giving security
to principal  and interest are  considered  adequate but elements may be present
which suggest a susceptibility to impairment some time in the future.

     Bonds which are rated Baa are considered as medium grade obligations; i.e.,
they are neither  highly  protected nor poorly  secured.  Interest  payments and
principal  security  appear  adequate  for the present  but  certain  protective
elements may be lacking or may be  characteristically  unreliable over any great
length of time. Such bonds lack outstanding  investment  characteristics  and in
fact have speculative characteristics as well.

     Bonds  which are rated Ba are judged to have  speculative  elements;  their
future cannot be considered  as well assured.  Often the  protection of interest
and  principal  payments may be very  moderate and thereby not well  safeguarded
during  both  good  and bad  times  over the  future.  Uncertainty  of  position
characterizes bonds in this class.

     Bonds  which are rated B  generally  lack  characteristics  of a  desirable
investment.  Assurance of interest and principal  payments or of  maintenance of
other terms of the contract over any long period of time may be small.


                                      A-1
<PAGE>

     The six highest  ratings of Standard & Poor's for Tax-Exempt  Bonds are AAA
(Prime), AA (High Grade), A (Good Grade), BBB (Medium Grade), BB and B:

     AAA  This is the  highest  rating  assigned  by Standard & Poor's to a debt
          obligation and indicates an extremely strong capacity to pay principal
          and interest.

     AA   Bonds rated AA also qualify as high-quality debt obligations. Capacity
          to pay principal  and interest is very strong,  and in the majority of
          instances they differ from AAA issues only in small degree.

     A    Bonds rated A have a strong  capacity to pay  principal  and interest,
          although they are somewhat more  susceptible to the adverse effects of
          changes in circumstances and economic conditions.

     BBB  Bonds rated BBB are  regarded  as having an  adequate  capacity to pay
          principal  and  interest.  Whereas they  normally  exhibit  protection
          parameters,  adverse economic conditions or changing circumstances are
          more  likely  to lead to a  weakened  capacity  to pay  principal  and
          interest for bonds in this category than for bonds in the A category.

     BB   Debt rated BB has less near-term  vulnerability  to default than other
          speculative issues.  However, it faces major ongoing  uncertainties or
          exposure to adverse business,  financial, or economic conditions which
          could  lead  to  inadequate  capacity  to  meet  timely  interest  and
          principal  payments.  The BB  rating  category  is also  used for debt
          subordinated to senior debt that is assigned an actual or implied BBB-
          rating.

     B    Debt rated B has a greater  vulnerability to default but currently has
          the  capacity to meet  interest  payments  and  principal  repayments.
          Adverse business, financial, or economic conditions will likely impair
          capacity or  willingness  to pay interest and repay  principal.  The B
          rating category is also used for debt subordinated to senior debt that
          is assigned an actual or implied BB or BB- rating.


Fitch describes its ratings for Tax-Exempt Bonds as follows:

     AAA  Bonds  considered  to be  investment  grade and of the highest  credit
          quality.  The  obligor  has an  exceptionally  strong  ability  to pay
          interest  and repay  principal,  which is  unlikely  to be affected by
          reasonably foreseeable events.


                                      A-2
<PAGE>

     AA   Bonds  considered  to be  investment  grade  and of very  high  credit
          quality.  The obligor's ability to pay interest and repay principal is
          very  strong,  although  not  quite as strong  as bonds  rated  "AAA".
          Because  bonds  rated  in  the  "AAA"  and  "AA"  categories  are  not
          significantly  vulnerable to foresee future  developments,  short-term
          debt of these issuers is generally rated F-1+.

     A    Bonds  considered to be investment  grade and of high credit  quality.
          The  obligor's   ability  to  pay  interest  and  repay  principal  is
          considered  strong,  but may be more  vulnerable to adverse changes in
          economic conditions and circumstances than bonds with higher ratings.

     BBB  Bonds  considered to be investment  grade and of  satisfactory  credit
          quality.  The obligor's ability to pay interest and repay principal is
          considered to be adequate.  Adverse changes in economic conditions and
          circumstances,  however,  are more  likely to have  adverse  impact on
          these bonds and, therefore, impair timely payment. The likelihood that
          the ratings of these bonds will fall below  investment grade is higher
          than for bonds with higher ratings.

     BB   Bonds  are  considered  speculative.  The  obligor's  ability  to  pay
          interest  and repay  principal  may be  affected  over time by adverse
          economic changes.  However, business and financial alternatives can be
          identified  that could  assist  the  obligor  in  satisfying  its debt
          service requirements.

     B    Bonds are considered highly speculative. While bonds in this class are
          currently  meeting  debt  service  requirements,  the  probability  of
          continued  timely  payment of  principal  and  interest  reflects  the
          obligor's  limited  margin  of  safety  and the  need  for  reasonable
          business and economic activity throughout the life of the issue.

     Moody's  ratings for state and municipal notes and other  short-term  loans
are  designated   Moody's   Investment  Grade  (MIG).  This  distinction  is  in
recognition  of the  differences  between  short-term  credit risk and long-term
risk.  Factors  affecting  the  liquidity  of  the  borrower  are  uppermost  in
importance  in  short-term  borrowing,   while  various  factors  of  the  first
importance in bond risk are of lesser  importance in the short-term run. Symbols
used will be as follows:

          MIG 1 Loans bearing this designation are of the best quality, enjoying
          strong  protection  from  established  cash  flows of funds  for their
          servicing or from established and broad-based access to the market for
          refinancing, or both.

          MIG 2 Loans bearing this designation are of high quality, with margins
          of protection ample although not so large as in the preceding group.

          MIG 3 Loans bearing this  designation are of favorable  quality,  with
          all  securities  elements  accounted  for but lacking  the  undeniable
          strength of the preceding  grades.  Market access for refinancing,  in
          particular, is likely to be less well established.


                                      A-3
<PAGE>

     Standard  &  Poor's  ratings  for  state  and  municipal  notes  and  other
short-term loans are designated Standard & Poor's Grade (SP).

          SP-1 Very strong or strong  capacity to pay  principal  and  interest.
          Those issues determined to possess overwhelming safety characteristics
          will be given a plus (+) designation.

          SP-2 Satisfactory capacity to pay principal and interest.

          SP-3 Speculative capacity to pay principal and interest.

     Fitch Ratings for short-term debt obligations that are payable on demand or
have  original  maturities  of up to three  years  including  commercial  paper,
certificates of deposits,  medium term notes and municipal and investment  notes
are designated by the following ratings:

          F-1+ Exceptionally Strong Credit Quality.  Issues assigned this rating
          are regarded as having the  strongest  degree of assurance  for timely
          payment.

          F-1 Very Strong Credit Quality. Issues assigned this rating reflect an
          assurance of timely  payment only  slightly less in degree than issues
          rated F-1+.

          F-2  Good  Credit   Quality.   Issues  assigned  this  rating  have  a
          satisfactory  degree of assurance for timely  payment,  but the margin
          for  safety  is not as  great  as for  issues  assigned  F-1+  and F-1
          ratings.

          F-S  Weak   Credit   Quality.   Issues   assigned   this  rating  have
          characteristics  suggesting a minimal  degree of assurance  for timely
          payment and are vulnerable to near-term  adverse  changes in financial
          and economic conditions.


                                      A-4

<PAGE>


                                     PART C.

                                OTHER INFORMATION

Item 24. Financial Statements and Exhibits

     (a) The financial  statements listed below are included in and incorporated
by  reference  into Part B of the  Registration  Statement  from the 1995 Annual
Report  to   Shareholders   for  the  year  ended   December   31,  1995  (filed
electronically on February 13, 1996; file nos. 811-5968 and 33-32246;  accession
numbers 0000950135-96-000988):

          John Hancock Tax-Free Bond Fund
          Statement  of Assets and  Liabilities  as of December  31, 1995.
          Statement of  Operations  for the year ended  December 31, 1995.
          Statement  of Changes in Net Assets for each of the two years in
          the period ended December 31.  
          Financial  Highlights for each of periods  indicated  therein.   
          Notes  to  Financial   Statements.
          Schedule of Investments as of December 31, 1995.

     (b) Exhibits:

     The exhibits to this Registration Statement are listed in the Exhibit Index
hereto and are incorporated herein by reference.

Item 25. Persons Controlled by or under Common Control with Registrant

     No person is directly or indirectly  controlled by or under common  control
with Registrant.

Item 26. Number of Holders of Securities

     As of March  29,  1996,  the  number  of  record  holders  of shares of the
Registrant was as follows:

                Title of Class                 Number of Record Holders

                Class A Shares -                       2,737
                Class B Shares -                       1,914

Item 27. Indemnification

     (a)  Indemnification  provisions  relating  to the  Registrant's  Trustees,
officers,  employees and agents is set forth in Article VII of the  Registrant's
By Laws included as Exhibit 2 herein.


                                      C-1

<PAGE>

     (b) Under Section 12 of the  Distribution  Agreement,  John Hancock  Funds,
Inc.  ("John  Hancock  Funds" ) has agreed to indemnify the  Registrant  and its
Trustees, officers and controlling persons against claims arising out of certain
acts and statements of John Hancock Funds.

     Section 9(a) of the By-Laws of John Hancock Mutual Life  Insurance  Company
"Insurance  Company"  provides,  in effect,  that the  Insurance  Company  will,
subject to  limitations  of law,  indemnify  each  present and former  director,
officer and employee of the of the Insurance  Company who serves as a Trustee or
officer of the  Registrant at the direction or request of the Insurance  Company
against  litigation  expenses  and  liabilities  incurred  while acting as such,
except  that  such  indemnification  does not  cover any  expense  or  liability
incurred or imposed in connection  with any matter as to which such person shall
be finally  adjudicated not to have acted in good faith in the reasonable belief
that his action was in the best interests of the Insurance Company. In addition,
no such person will be  indemnified  by the Insurance  Company in respect of any
liability or expense  incurred in  connection  with any matter  settled  without
final  adjudication  unless such  settlement  shall have been approved as in the
best interests of the Insurance Company either by vote of the Board of Directors
at a meeting  composed of directors  who have no interest in the outcome of such
vote, or by vote of the  policyholders.  The Insurance  Company may pay expenses
incurred in  defending  an action or claim in advance of its final  disposition,
but only upon receipt of an undertaking by the person  indemnified to repay such
payment if he should be determined not to be entitled to indemnification.

     Article IX of the respective By-Laws of John Hancock Funds and John Hancock
Advisers, Inc.("the Adviser") provide as follows:

"Section  9.01.  Indemnity:  Any person made or threatened to be made a party to
any action,  suit or proceeding,  whether  civil,  criminal,  administrative  or
investigative,  by reason  of the fact  that he is or was at any time  since the
inception  of the  Corporation  a  director,  officer,  employee or agent of the
corporation,  or is or was at any time since the  inception  of the  Corporation
serving at the request of the  Corporation as a director,  officer,  employee or
agent  of  another  corporation,  partnership,  joint  venture,  trust  or other
enterprise,  shall be indemnified by the Corporation against expenses (including
attorney's fees),  judgments,  fines and amounts paid in settlement actually and
reasonably incurred by him in connection with such action, suit or proceeding if
he acted in good faith and the  liability  was not  incurred  by reason of gross
negligence  or reckless  disregard of the duties  involved in the conduct of his
office, and expenses in connection therewith may be advanced by the Corporation,
all to the full extent authorized by the law."

"Section 9.02. Not Exclusive;  Survival of Rights: The indemnification  provided
by Section 9.01 shall not be deemed  exclusive of any other right to which those
indemnified may be entitled, and shall continue as to a person who has ceased to
be a director,  officer, employee or agent and shall inure to the benefit of the
heirs, executors and administrators of such a person."

Insofar as indemnification for liabilities under the Securities Act of 1933 (the
"Act") may be  permitted to Trustees,  officers and  controlling  persons of the
Registrant  pursuant to the Registrant's  Declaration of Trust and By-Laws,  the
Distribution  Agreement,  the By-Laws of John Hancock Funds, the Adviser, or the
Insurance  Company or  otherwise,  the  Registrant  has been advised that in the
opinion of the  Securities  and  Exchange  Commission  such  indemnification  is



                                      C-2

<PAGE>

against policy as expressed in the Act and is, therefore,  unenforceable. In the
event that a claim for indemnification  against such liabilities (other than the
payment by the  Registrant  in the  successful  defense of any  action,  suit or
proceeding)  is  asserted  by such  Trustee,  officer or  controlling  person in
connection with the securities being registered,  the Registrant will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit  to  a  court  of   appropriate   jurisdiction   the   question   whether
indemnification  by it is against public policy as expressed in the Act and will
be governed by the final adjudication of such issue.


Item 28. Business and Other Connections of Investment Advisers

     For information as to the business, profession, vocation or employment of a
substantial  nature of each of the  officers  and  Directors  of the  Investment
Adviser,  reference is made to Forms ADV  (801-8124)  filed under the Investment
Advisers Act of 1940, which is incorporated herein by reference.

Item 29. Principal Underwriters

     (a) John Hancock Funds acts as principal underwriter for the Registrant and
also serves as principal  underwriter  or distributor of shares for John Hancock
Cash Reserve, Inc., John Hancock Bond Fund, John Hancock Current Interest,  John
Hancock Series,  Inc., John Hancock Tax-Free Bond Fund, John Hancock  California
Tax-Free Income Fund,  John Hancock  Capital  Series,  John Hancock Limited Term
Government  Fund, John Hancock  Tax-Exempt  Income Fund, John Hancock  Sovereign
Investors Fund, Inc., John Hancock Special Equities Fund, John Hancock Sovereign
Bond Fund, John Hancock Tax-Exempt Series,  John Hancock Strategic Series,  John
Hancock  Technology  Series,   Inc.,  John  Hancock  World  Fund,  John  Hancock
Investment Trust, John Hancock  Institutional  Series Trust,  Freedom Investment
Trust, Freedom Investment Trust II and Freedom Investment Trust III.

     (b) The  following  table  lists,  for each  director  and  officer of John
Hancock Funds, the information indicated.


                                      C-3
<PAGE>

<TABLE>
<CAPTION>

       Name and Principal                Positions and Offices               Positions and Offices
        Business Address                    with Underwriter                    with Registrant
        ----------------                    ----------------                    ---------------
<S>                                               <C>                                <C>
Edward J. Boudreau, Jr.                President, Chief Executive                   Chairman
101 Huntington Avenue                     Officer and Director
Boston, Massachusetts

Robert H. Watts                         Director, Executive Vice                      None
John Hancock Place                  President and Compliance Officer
P.O. Box 111
Boston, Massachusetts

Robert G. Freedman                              Director                      Vice Chairman, Chief
101 Huntington Avenue                                                          Investment Officer
Boston, Massachusetts

James V. Bowhers                        Executive Vice President                      None
101 Huntington Avenue
Boston, Massachusetts

Stephen M. Blair                        Executive Vice President                      None
101 Huntington Avenue
Boston, Massachusetts

Thomas H. Drohan                         Senior Vice President             Senior Vice President and
101 Huntington Avenue                                                              Secretary
Boston, Massachusetts

James W. McLaughlin                      Senior Vice President                        None
101 Huntington Avenue                             and
Boston, Massachusetts                   Chief Financial Officer

David A. King                      Senior Vice President and Director                 None
101 Huntington Avenue
Boston, Massachusetts

Michael T. Capenter                      Senior Vice President                        None
101 Huntington Avenue
Boston, Massachusetts

James B. Little                          Senior Vice President             Senior Vice President and
101 Huntington Avenue                                                       Chief Financial Officer
Boston, Massachusetts


                                      C-4
<PAGE>

       Name and Principal                 Positions and Offices              Positions and Offices
        Business Address                    with Underwriter                    with Registrant
        ----------------                    ----------------                    ---------------

William S. Nichols                        Senior Vice President                      None
101 Huntington Avenue
Boston, Massachusetts

Anthony P. Petrucci                       Senior Vice President                      None
101 Huntington Avenue
Boston, Massachusetts

Charles H. Womack                         Senior Vice President                      None
6501 Americas Parkway
Albuquerque, New Mexico

John A. Morin                                Vice President                     Vice President
101 Huntington Avenue
Boston, Massachusetts

Susan S. Newton                       Vice President and Secretary              Vice President,
101 Huntington Avenue                                                         Assistant Secretary
Boston, Massachusetts                                                       and Compliance Officer

Keith Harstein                               Vice President                          None
101 Huntington Avenue
Boston, Massachusetts

Griselda Lyman                               Vice President                          None
101 Huntington Avenue
Boston, Massachusetts

Christopher M. Meyer                            Treasurer                            None
101 Huntington Avenue
Boston, Massachusetts

Stephen L. Brown                                Director                             None
John Hancock Place
P.O. Box 111
Boston, Massachusetts


                                      C-5
<PAGE>

Name and Principal                        Positions and Offices              Positions and Offices
Business Address                            with Underwriter                   with Underwriter
- ----------------                            ----------------                   ----------------

Thomas E. Moloney                               Director                             None
John Hancock Place
P.O. Box 111
Boston, Massachusetts

Jeanne M. Livermore                             Director                             None
John Hancock Place
P.O. Box 111
Boston, Massachusetts

Richard S. Scipione                             Director                            Trustee
John Hancock Place
P.O. Box 111
Boston, Massachusetts

John Goldsmith                                  Director                             None
One Beacon Street
Boston, Massachusetts

Richard O. Hansen                               Director                             None
John Hancock Place
P.O. Box 111
Boston, Massachusetts

John M. DeCiccio                                Director                              None
John Hancock Place
P.O. Box 111
Boston, Massachusetts

David F. D'Alessandro                           Director                              None
John Hancock Place
P.O. Box 111
Boston, Massachusetts

Foster Aborn                                    Director                              None
John Hancock Place
P.O. Box 111
Boston, Massachusetts


                                      C-6
<PAGE>

Name and Principal                        Positions and Offices              Positions and Offices
Business Address                            with Underwriter                    with Underwriter
- ----------------                            ----------------                    ----------------

William C. Fletcher                             Director                              None
53 State Street
Boston, Massachusetts

</TABLE>

     (c) None.

Item 30. Location of Accounts and Records

     Registrant  maintains  the records  required to be  maintained  by it under
     Rules 31a-1 (a), 31a-1(b), and 31a-2(a) under the Investment Company Act of
     1940 at its principal  executive offices at 101 Huntington  Avenue,  Boston
     Massachusetts  02199-7603.  Certain records,  including records relating to
     the  Registrant's   shareholders   and  the  physical   possession  of  its
     securities, may be maintained pursuant to Rule 31a-3 at the main offices of
     the Registrant's Transfer Agent and Custodian.

Item 31. Management Services

     Not applicable.

Item 32. Undertakings

     (a) Not Applicable

     (b) Not Applicable

     (c) The  Registrant  hereby  undertakes  to furnish  each  person to whom a
prospectus  with respect to a series of the  Registrant is delivered with a copy
of the latest  annual  report to  shareholders  with respect to that series upon
request and without charge.

     (d)  The  Registrant  undertakes  to  comply  with  Section  16(c)  of  the
Investment Company Act of 1940, as amended which relates to the assistance to be
rendered to  shareholders by the Trustees of the Registrant in calling a meeting
of shareholders  for the purpose of voting upon the question of the removal of a
trustee.


                                      C-7
<PAGE>


                                   SIGNATURES

     Pursuant  to  the  requirements  of the  Securities  Act of  1933  and  the
Investment  Company Act of 1940, the Registrant  certifies that it meets all the
requirements for effectiveness of this Registration  Statement  pursuant to Rule
485(b) unless the Securities  Act of 1933 and has duly caused this  Registration
Statement  to  be  signed  on  its  behalf  by  the  undersigned,  thereto  duly
authorized,  in the City of Boston, and the Commonwealth of Massachusetts on the
24th day of April, 1996.

                                            JOHN HANCOCK TAX-FREE BOND FUND


                                       By:                  *
                                            Edward J. Boudreau, Jr.
                                            Chairman and Chief Executive Officer

     Pursuant  to  the   requirements   of  the  Securities  Act  of  1933,  the
Registration  Statement  has been signed below by the  following  persons in the
capacities and on the dates indicated.

<TABLE>
<CAPTION>

      Signature                             Title                                  Date
      ---------                             -----                                  ----
<S>                                <C>                                          <C>

             *                     Chairman and Chief Executive
Edward J. Boudreau, Jr.            Officer (Principal Executive Officer)


/s/James B. Little
James B. Little                    Senior Vice President and Chief              April 24, 1996
                                   Financial Officer (Principal
                                   Financial and Accounting Officer)


             *                     Trustee
James F. Carlin


             *                     Trustee
William H. Cunningham


             *                     Trustee
Charles F. Fretz


             *                     Trustee
Harold R. Hiser, Jr.


                                      C-8
<PAGE>

      Signature                             Title                                  Date
      ---------                             -----                                  ----


________________________           Trustee
Anne C. Hodsdon


             *                     Trustee
Charles L. Ladner


             *                      Trustee
Leo E. Linbeck, Jr.


             *                      Trustee
Patricia P. McCarter


             *                      Trustee
Steven R. Pruchansky


             *                      Trustee
Norman H. Smith


________________________            Trustee
Richard S. Scipione


             *                      Trustee
John P. Toolan


*By:  /s/ Thomas H. Drohan                                                      April 24, 1996
      --------------------
         Thomas H. Drohan,
         Attorney-in-Fact

</TABLE>

                                      C-9
<PAGE>

                                  EXHIBIT INDEX


Exhibit No.                             Description           

   99.B1       Amended and Restated Declaration of Trust dated November 9, 1989;
               Amendment to  Declaration of Trust dated October 22, 1991;  
               Amendment to Declaration of Trust dated December 16, 1994; 
               Amendment to Declaration of Trust dated September 11, 1995.**

   99.B2       By-Laws.*

   99.B3       None

  99.B4.1      Specimen share certificate for Registrant (Classes A and B).*

   99.B5       Investment Advisory Agreement between John Hancock Advisers, 
               Inc. and the Registrant.*

   99.B6       Distribution Agreement between John Hancock Funds, Inc. and the 
               Registrant.*

  99.B6.1      Form of Financial Institution Sales and Service Agreement.*

  99.B6.2      Form of Soliciting Dealer Agreement between John Hancock Broker 
               Distribution Services, Inc. and Selected Dealers.*

   99.B7       None

   99.B8       Master Custodian Agreement with Investors Bank and Trust Company 
               Bank.*

   99.B9       Transfer Agency and Service Agreement with John Hancock Fund 
               Services, Inc.*

   99.B10      24e legal opinion+

   99.B11      Consent of Independent Auditors +

   99.B12      None

   99.B13      None


                                      C-10

<PAGE>

   99.B15      Class A Distribution Plan between Registrant and John Hancock 
               Funds, Inc.*

  99.B15.1     Class B Distribution Plan between Registrant and John Hancock 
               Funds, Inc.*

   99.B16      Working papers showing yield calculation for yield and total 
               return.**

   27.1A       John Hancock Tax-Free Bond Fund
   27.1B       John Hancock Tax-Free Bond  Fund

*    Previously  filed  electronically  with  post-effective  amendment number 7
     (file nos.  33-32246 and 811-5968) on February 24, 1995,  accession  number
     00009500129-95-000095.

**   Previously  filed  electronically  with  post-effective  amendment number 8
     (file nos.  33-32246 and 811-5968) on February 29, 1996,  accession  number
     0000950135-96-001238.

+    Filed herewith


                                      C-11



                                                  April 26, 1996





John Hancock Tax Free Bond Fund
101 Huntington Avenue
Boston, MA 02199

RE:               John Hancock Tax Free Bond Fund
                  File Nos. 33-32246; 811-5968 (0000857769)


Ladies and Gentlemen:

In  connection  with the filing of Amendment No. 13 pursuant to Rule 24e-2 under
the Investment  Company Act of 1940, as amended,  registering by  Post-Effective
Amendment No. 9 under the Securities  Act of 1933, as amended,  27,077 shares of
the John  Hancock Tax Free Bond Fund (the  "Fund")  sold in  reliance  upon Rule
24e-2 during the fiscal year ending  December 31, 1995, it is the opinion of the
undersigned   that  such  shares  will  be  legally   issued,   fully  paid  and
nonassessable.

In connection with this opinion it should be noted that the Fund is an entity of
the  type  generally   known  as  a   "Massachusetts   business   trust."  Under
Massachusetts  law,  shareholders of a Massachusetts  business trust may be held
personally  liable  for  the  obligations  of  the  Fund.  However,  the  Fund's
Declaration of Trust disclaims shareholder liability for obligations of the Fund
and indemnifies any  shareholder of the Fund,  with this  indemnification  to be
paid solely out of the assets of the Fund. Therefore,  the shareholder's risk is
limited to  circumstances  in which the assets of the Fund are  insufficient  to
meet the obligations asserted against Fund assets.


                                                  Sincerely,

                                                  /s/ Alfred P. Ouellette

                                                  Alfred P.Ouellette
                                                  Assistant Secretary
                                                  Member of Massachusetts Bar




               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the reference to our firm under the captions "The Fund's Financial
Highlights"  in the  Class A and  Class B  Shares  prospectus  and  "Independent
Auditors" in the Class A and Class B Shares Statement of Additional  Information
and to the use of our report dated February 9, 1996, on the financial statements
and   financial   highlights   of  the  John  Hancock   Tax-Free  Fund  in  this
Post-Effective  Amendment  Number 9 to  Registration  Statement  (Form  N-1A No.
33-32246) dated May 1, 1996.


                                                  /s/ ERNST & YOUNG LLP
                                                  ERNST & YOUNG LLP

Boston, Massachusetts
April 23, 1996



<TABLE> <S> <C>


<ARTICLE> 6
<SERIES>
     <NUMBER> 001
     <NAME>   JOHN HANCOCK TAX-FREE BOND FUND - CLASS A
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1995
<PERIOD-END>                               DEC-31-1995
<INVESTMENTS-AT-COST>                      190,204,887
<INVESTMENTS-AT-VALUE>                     205,442,483
<RECEIVABLES>                               15,661,893
<ASSETS-OTHER>                                  27,437
<OTHER-ITEMS-ASSETS>                        15,237,596
<TOTAL-ASSETS>                             221,131,813
<PAYABLE-FOR-SECURITIES>                    21,760,596
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                    3,750,146
<TOTAL-LIABILITIES>                         25,510,742
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                   195,035,479
<SHARES-COMMON-STOCK>                       11,137,117
<SHARES-COMMON-PRIOR>                       12,203,457
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                   (14,389,504)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                    14,975,096
<NET-ASSETS>                               195,621,071
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                           12,440,385
<OTHER-INCOME>                                       0
<EXPENSES-NET>                               2,177,307
<NET-INVESTMENT-INCOME>                     10,263,078
<REALIZED-GAINS-CURRENT>                   (7,036,534)
<APPREC-INCREASE-CURRENT>                   31,417,068
<NET-CHANGE-FROM-OPS>                       34,643,612
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                    6,647,931
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        990,678
<NUMBER-OF-SHARES-REDEEMED>                  2,422,945
<SHARES-REINVESTED>                            365,927
<NET-CHANGE-IN-ASSETS>                      10,839,429
<ACCUMULATED-NII-PRIOR>                         84,996
<ACCUMULATED-GAINS-PRIOR>                  (7,289,006)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                        1,048,120
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                              2,201,726
<AVERAGE-NET-ASSETS>                       117,215,738
<PER-SHARE-NAV-BEGIN>                             9.39
<PER-SHARE-NII>                                   0.57
<PER-SHARE-GAIN-APPREC>                           1.28
<PER-SHARE-DIVIDEND>                              0.57
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.67
<EXPENSE-RATIO>                                   0.85
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>


<ARTICLE> 6
<SERIES>
     <NUMBER>  002
     <NAME>    JOHN HANCOCK TAX-FREE BOND FUND - CLASS B
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1995
<PERIOD-END>                               DEC-31-1995
<INVESTMENTS-AT-COST>                      190,204,887
<INVESTMENTS-AT-VALUE>                     205,442,483
<RECEIVABLES>                               15,661,893
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<OTHER-ITEMS-ASSETS>                        15,237,596
<TOTAL-ASSETS>                             221,131,813
<PAYABLE-FOR-SECURITIES>                    21,760,596
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                    3,750,146
<TOTAL-LIABILITIES>                         25,510,742
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                   195,035,479
<SHARES-COMMON-STOCK>                        7,202,812
<SHARES-COMMON-PRIOR>                        7,485,326
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                   (14,389,504)
<OVERDISTRIBUTION-GAINS>                             0
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<NET-ASSETS>                               195,621,071
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                           12,440,385
<OTHER-INCOME>                                       0
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<REALIZED-GAINS-CURRENT>                   (7,036,534)
<APPREC-INCREASE-CURRENT>                   31,417,068
<NET-CHANGE-FROM-OPS>                       34,643,612
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                    3,620,138
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        722,057
<NUMBER-OF-SHARES-REDEEMED>                  1,207,168
<SHARES-REINVESTED>                            202,597
<NET-CHANGE-IN-ASSETS>                      10,839,429
<ACCUMULATED-NII-PRIOR>                         84,996
<ACCUMULATED-GAINS-PRIOR>                  (7,289,006)
<OVERDISTRIB-NII-PRIOR>                              0
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<GROSS-ADVISORY-FEES>                        1,048,120
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                              2,201,726
<AVERAGE-NET-ASSETS>                        73,875,115
<PER-SHARE-NAV-BEGIN>                             9.38
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<PER-SHARE-DIVIDEND>                              0.49
<PER-SHARE-DISTRIBUTIONS>                            0
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<EXPENSE-RATIO>                                   1.60
<AVG-DEBT-OUTSTANDING>                               0
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</TABLE>


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