HANCOCK JOHN SOVEREIGN BOND FUND
497, 1995-07-25
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                   JOHN HANCOCK INVESTMENT QUALITY BOND FUND
                            101 Huntington Avenue 
                         Boston, Massachusetts 02199 

                  NOTICE OF SPECIAL MEETING OF SHAREHOLDERS 
                         TO BE HELD SEPTEMBER 8, 1995 

   Notice is hereby given that a Special Meeting of Shareholders (the 
"Meeting") of John Hancock Investment Quality Bond Fund ("Investment Quality 
Bond Fund"), a series of John Hancock Bond Fund, a Massachusetts business 
trust, will be held at 101 Huntington Avenue, Boston, Massachusetts 02199 on 
Friday, September 8, 1995 at 9:00 a.m., Boston time, and at any adjournment 
thereof, for the following purposes: 

   1. To consider and act upon a proposal to approve an Agreement and Plan of 
      Reorganization (the "Reorganization Agreement") between John Hancock 
      Bond Fund, on behalf of Investment Quality Bond Fund, and John Hancock 
      Sovereign Bond Fund ("Sovereign Bond Fund"), providing for Sovereign 
      Bond Fund's acquisition of all Investment Quality Bond Fund's assets in 
      exchange solely for: (a) Sovereign Bond Fund's assumption of Investment 
      Quality Bond Fund's liabilities and (b) the issuance of Sovereign Bond 
      Fund Class A and Class B shares to Investment Quality Bond Fund for 
      distribution to its shareholders; and 

   2. To consider and act upon such other matters as may properly come before 
      the Meeting or any adjournment of the Meeting. 

   The Board of Trustees has fixed the close of business on July 14, 1995 as 
the record date for determination of shareholders who are entitled to notice 
of and to vote at the Meeting and any adjournment of the Meeting. 

   If you cannot attend the Meeting in person, please complete, date and sign 
the enclosed proxy and return it to John Hancock Investor Services 
Corporation, 101 Huntington Avenue, Boston, Massachusetts 02199 in the 
enclosed envelope. It is important that you exercise your right to vote. THE 
ENCLOSED PROXY IS BEING SOLICITED BY THE BOARD OF TRUSTEES OF JOHN HANCOCK 
BOND FUND. 

                           By order of the Board of Trustees, 

                           THOMAS H. DROHAN, Secretary 

Boston, Massachusetts 
July 21, 1995 

   
470PX 7/95 
    


<PAGE> 
                  JOHN HANCOCK INVESTMENT QUALITY BOND FUND 
                               PROXY STATEMENT 
                       JOHN HANCOCK SOVEREIGN BOND FUND 
                                  PROSPECTUS 

   This Proxy Statement and Prospectus sets forth the information you should 
know before voting on the proposed reorganization of John Hancock Investment 
Quality Bond Fund ("Investment Quality Bond Fund") into John Hancock 
Sovereign Bond Fund ("Sovereign Bond Fund"). Investment Quality Bond Fund is 
a series of John Hancock Bond Fund, a Massachusetts business trust (the 
"Trust"). Sovereign Bond Fund is a Massachusetts business trust. 

   This Proxy Statement and Prospectus relates to Class A and Class B shares 
of beneficial interest, no par value per share (collectively, the "Sovereign 
Bond Fund Shares"), of Sovereign Bond Fund which will be issued in exchange 
for all of Investment Quality Bond Fund's assets. In exchange for these 
assets, Sovereign Bond Fund will also assume all of the liabilities of 
Investment Quality Bond Fund. 

   The Sovereign Bond Fund Class A Shares issued to Investment Quality Bond 
Fund for distribution to Investment Quality Bond Fund's Class A shareholders 
will have an aggregate net asset value equal to the aggregate net asset value 
of Investment Quality Bond Fund's Class A shares. The Sovereign Bond Fund 
Class B Shares issued to Investment Quality Bond Fund for distribution to 
Investment Quality Bond Fund's Class B shareholders will have an aggregate 
net asset value equal to the aggregate net asset value of Investment Quality 
Bond Fund's Class B shares. The asset values of Investment Quality Bond Fund 
and Sovereign Bond Fund will be determined at the close of business (4:00 
p.m. Eastern Time) on the Closing Date (as defined below) for purposes of the 
proposed reorganization. 

   Following the receipt of Sovereign Bond Fund Shares (1) Investment Quality 
Bond Fund will be liquidated, (2) the Sovereign Bond Fund Shares will be 
distributed to Investment Quality Bond Fund's shareholders pro rata in 
exchange for their shares of Investment Quality Bond Fund and (3) Investment 
Quality Bond Fund will be terminated. Consequently, Class A Investment 
Quality Bond Fund shareholders will become Class A shareholders of Sovereign 
Bond Fund, and Class B Investment Quality Bond Fund shareholders will become 
Class B shareholders of Sovereign Bond Fund. These transactions are 
collectively referred to in this Proxy Statement and Prospectus as the 
"Reorganization." 

   The Reorganization is being structured as a tax-free reorganization so 
that, in the opinion of tax counsel, no gain or loss will be recognized by 
Sovereign Bond Fund, Investment Quality Bond Fund or the shareholders of 
Investment Quality Bond Fund. The terms and conditions of the Reorganization 
are more fully 

                                      1 
<PAGE> 
   
described in this Proxy Statement and Prospectus, and in the Agreement and 
Plan of Reorganization that is attached as Exhibit A. 
    

   Sovereign Bond Fund is a diversified open-end management investment 
company organized as a Massachusetts business trust in 1984. Sovereign Bond 
Fund seeks to generate a high level of current income, consistent with 
prudent investment risk, through investment in a diversified portfolio of 
freely marketable debt securities. Sovereign Bond Fund pursues its objective 
by investing primarily in investment grade debt securities. 

   The principal place of business of both the Trust and Sovereign Bond Fund 
is 101 Huntington Avenue, Boston, Massachusetts 02199. Their toll-free 
telephone number is 1-800-225-5291. 

   
   Please read this Proxy Statement and Prospectus carefully and retain it 
for future reference. This Proxy Statement and Prospectus, which is 
accompanied by the Prospectus of Sovereign Bond Fund for Class A and Class B 
shares dated May 1, 1995 (Exhibit B), sets forth information that you should 
know before approving the Reorganization. The Prospectus of Investment 
Quality Bond Fund for Class A and Class B shares is incorporated herein by 
reference and is available upon oral or written request and at no charge from 
the Trust. 
    

   
   A Statement of Additional Information dated July 21, 1995 relating to this 
Proxy Statement and Prospectus, and containing additional information about 
each of Sovereign Bond Fund and Investment Quality Bond Fund, including 
historical financial statements, is on file with the Securities and Exchange 
Commission ("SEC"). It is available, upon oral or written request and at no 
charge, from Sovereign Bond Fund. The Statement of Additional Information is 
incorporated by reference into this Prospectus. 
    

   Shares of Sovereign Bond Fund are not deposits or obligations of, or 
guaranteed or endorsed by, any bank or other depository institution, and the 
shares of Sovereign Bond Fund 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. 

   
        The date of this Proxy Statement and Prospectus is July 21, 1995. 
    


                                      2 
<PAGE> 
TABLE OF CONTENTS 

<TABLE>
<CAPTION>
<S>                                                          <C>
                                                            Page 
                                                             ----- 
INTRODUCTION                                                   1 
SUMMARY                                                        2 
RISK FACTORS AND SPECIAL CONSIDERATIONS                       13 
INFORMATION CONCERNING THE MEETING                            14 
PROPOSAL TO APPROVE AGREEMENT AND PLAN OF 
   REORGANIZATION                                             16 
CAPITALIZATION                                                23 
COMPARATIVE PERFORMANCE INFORMATION                           24 
BUSINESS OF SOVEREIGN BOND FUND                               26 
  General                                                     26 
  Investment Objective and Policies                           26 
  Portfolio Management                                        26 
  Trustees                                                    26 
  Investment Adviser and Distributor                          26 
  Expenses                                                    26 
  Custodian and Transfer Agent                                26 
  Sovereign Bond Fund Shares                                  26 
  Purchase of Sovereign Bond Fund Shares                      26 
  Redemption of Sovereign Bond Fund Shares                    27 
  Dividends, Distributions and Taxes                          27 
BUSINESS OF INVESTMENT QUALITY BOND FUND                      27 
  General                                                     27 
  Investment Objective and Policies                           27 
  Portfolio Management                                        27 
  Trustees                                                    27 
  Investment Adviser and Distributor                          27 
  Expenses                                                    27 
  Custodian and Transfer Agent                                28 
  Investment Quality Bond Fund Shares                         28 
  Purchase of Investment Quality Bond Fund Shares             28 
  Redemption of Investment Quality Bond Fund Shares           28 
  Dividends, Distributions and Taxes                          28 
EXPERTS                                                       28 
AVAILABLE INFORMATION                                         29 
</TABLE>

                                      i 
<PAGE> 
EXHIBITS 

   
   A--Agreement and Plan of Reorganization by and between John Hancock Bond 
      Fund, on behalf of John Hancock Investment Quality Bond Fund, and John 
      Hancock Sovereign Bond Fund (attached hereto). 
    

   B--Prospectus of John Hancock Sovereign Bond Fund for Class A and Class B 
      shares, dated May 1, 1995 (attached hereto). 

   C--Annual Report to Shareholders of John Hancock Sovereign Bond Fund, 
      dated December 31, 1994 (included herewith). 

                                      ii 
<PAGE> 
                        PROXY STATEMENT AND PROSPECTUS 
                    FOR SPECIAL MEETING OF SHAREHOLDERS OF 
                  JOHN HANCOCK INVESTMENT QUALITY BOND FUND 
                       TO BE HELD ON SEPTEMBER 8, 1995 

                                 INTRODUCTION 

   This Proxy Statement and Prospectus is furnished in connection with the 
solicitation of proxies by the Board of Trustees of the Trust (the "Board of 
Trustees"). The proxies will be voted at the Special Meeting of Shareholders 
(the "Meeting") of Investment Quality Bond Fund to be held at 101 Huntington 
Avenue, Boston, Massachusetts 02199 on Friday, September 8, 1995 at 9:00 
a.m., Boston time, and at any adjournment or adjournments of the Meeting. The 
purposes of the Meeting are set forth in the accompanying Notice of Special 
Meeting of Shareholders. 

   
   This Proxy Statement and Prospectus incorporates by reference the 
prospectus of Investment Quality Bond Fund for Class A and Class B shares 
(the "Investment Quality Bond Fund Prospectus"), and includes the prospectus 
of Sovereign Bond Fund for Class A and Class B shares, dated May 1, 1995 (the 
"Sovereign Bond Fund Prospectus"). The Annual Report to Shareholders of 
Sovereign Bond Fund, dated December 31, 1994, is included with this Proxy 
Statement and Prospectus. These materials will be mailed to shareholders of 
Investment Quality Bond Fund on or after July 21, 1995. Investment Quality 
Bond Fund's Annual Report to Shareholders was previously sent to shareholders 
on or about May 31, 1995. 
    

   
   As of June 30, 1995, 10,669,445.949 shares of beneficial interest of 
Investment Quality Bond Fund were outstanding. 
    

   All properly executed proxies received by management prior to the Meeting, 
unless revoked, will be voted at the Meeting according to the instructions on 
the proxies. If no instructions are given, shares of Investment Quality Bond 
Fund represented by proxies will be voted FOR the proposal (the "Proposal") 
to approve the Agreement and Plan of Reorganization (the "Agreement") between 
the Trust, on behalf of Investment Quality Bond Fund, and Sovereign Bond 
Fund. 

   The Trust's Board of Trustees knows of no business that will be presented 
for consideration at the Meeting other than that mentioned in the immediately 
preceding paragraph. If other business is properly brought before the 
Meeting, proxies will be voted according to the best judgment of the persons 
named as proxies. 

   In addition to the mailing of these proxy materials, proxies may be 
personally solicited by Trustees, officers and employees of Investment 
Quality Bond Fund; by personnel of Investment Quality Bond Fund's investment 
adviser, John Hancock Advisers, Inc., Investment Quality Bond Fund's transfer 
agent, John Hancock Investor Services Corporation ("Investor Services"); by 
broker-dealer 

                                      1 
<PAGE> 
firms or by a professional solicitation organization, in person or by 
telephone. Investment Quality Bond Fund and Sovereign Bond Fund (each, a 
"Fund" and collectively, the "Funds") will each bear its own fees and 
expenses in connection with the Reorganization discussed in this Proxy 
Statement and Prospectus. 

   The information concerning Sovereign Bond Fund in this Proxy Statement and 
Prospectus has been supplied by Sovereign Bond Fund. The information 
regarding Investment Quality Bond Fund in this Proxy Statement and Prospectus 
has been supplied by the Trust. 

                                   SUMMARY 

   The following is a summary of certain information contained elsewhere in 
this Proxy Statement and Prospectus. The summary is qualified by reference to 
the more complete information contained in this Proxy Statement and 
Prospectus, and in the Exhibits attached and included with this document. 
Please read this entire Proxy Statement and Prospectus carefully. 

Reasons for the Proposed Reorganization 

   The Trust's Board of Trustees has determined that the proposed 
Reorganization is in the best interests of Investment Quality Bond Fund and 
its shareholders. In making this determination, the Trustees considered 
several relevant factors, including (1) the fact that the investment 
objectives and policies of Investment Quality Bond Fund and Sovereign Bond 
Fund are generally similar, (2) the likelihood that the Reorganization will 
result in improved economies of scale and a corresponding decrease in the 
expenses currently borne by Investment Quality Bond Fund's shareholders, and 
(3) the fact that combining the Funds' assets into a single portfolio will 
enable Sovereign Bond Fund to achieve greater diversification than either 
Fund is now able to achieve. The Trust's Board of Trustees believes that the 
Sovereign Bond Fund Shares received in the Reorganization will provide 
existing Investment Quality Bond Fund shareholders with substantially the 
same investment advantages that they currently enjoy at a comparable level of 
risk. For a more detailed discussion of the reasons for the proposed 
Reorganization, see "Proposal to Approve the Agreement and Plan of 
Reorganization--Reasons For The Proposed Reorganization." 

The Funds' Expenses 

   
   Both Funds and their shareholders are subject to various fees and 
expenses. The two tables set forth below show the shareholder transaction and 
operating expenses of Class A and Class B shares of the Funds. These expenses 
are based on fees and expenses incurred during the Funds' most recently 
completed fiscal years, adjusted to reflect current fees and expenses. 
    


                                      2 
<PAGE> 
Investment Quality Bond Fund 
<TABLE>
<CAPTION>
                                                 Class A     Class B 
                                                  Shares     Shares 
                                                  -------   --------- 
<S>                                              <C>         <C>
Shareholder Transaction Expenses 
Maximum sales charge imposed on purchases 
   (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 net assets) 
Management fee                                   0.62%       0.62% 
12b-1 fee**                                      0.25%       1.00% 
Other expenses***                                0.45%       0.45% 
                                                 -----      ------- 
  Total Fund Operating Expenses                  1.32%       2.07% 
                                                 =====      ======= 
</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 in the event of certain 
    redemption transactions within one year of purchase. 
    

 ** The amount of the 12b-1 fee 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. 

*** Other expenses include transfer agent, legal, audit, custody and other 
    expenses. 

 +Redemption by wire fee (currently $4.00) not included. 

   
Sovereign Bond Fund 
<TABLE>
<CAPTION>
                                                 Class A     Class B 
                                                  Shares     Shares 
                                                  -------   --------- 
<S>                                               <C>        <C>
Shareholder Transaction Expenses 
Maximum sales charge imposed on purchases 
   (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 net assets) 
Management fee                                    0.50%      0.50% 
12b-1 fee**                                       0.30%      1.00% 
Other expenses***                                 0.38%      0.25% 
                                                  -----      ----- 
  Total Fund Operating Expenses                   1.18%      1.75% 
                                                  =====      ===== 
</TABLE>
    


                                      3 
<PAGE> 
   
  * No sales charge is payable at the time of purchase on investments in 
    Class A shares of $1 million or more, but a contingent deferred sales 
    charge may be imposed on these investments in the event of certain 
    redemption transactions within one year of purchase. 
    

 ** The amount of the 12b-1 fee used to cover service expenses will be up to 
    0.25% of the Fund's average daily net assets, and the remaining portion 
    will be used to cover distribution expenses. 

*** Other expenses include transfer agent, legal, audit, custody and other 
    expenses. 

 +Redemption by wire fee (currently $4.00) not included. 

   
   The table set forth below shows the pro forma operating expenses of Class 
A and Class B shares of Sovereign Bond Fund, which assume that the 
Reorganization took place on December 31, 1994, adjusted to reflect current 
fees and expenses. 
    

Sovereign Bond Fund (Pro Forma) 
<TABLE>
<CAPTION>
                                       Class 
                                         A      Class B 
                                      Shares    Shares 
                                       -----    ------- 
<S>                                    <C>      <C>
Annual Fund Operating Expenses 
   (as a percentage of net assets) 
Management fee                         0.50%    0.50% 
12b-1 fee*                             0.30%    1.00% 
Other expenses**                       0.37%    0.25% 
                                        ---      ----- 
  Total Fund Operating Expenses        1.17%    1.75% 
                                        ---      ----- 
</TABLE>

 * The amount of the 12b-1 fee 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. 

** Other expenses include transfer agent, legal, audit, custody and other 
   expenses. 

   
   If the proposed Reorganization is consummated, the actual total operating 
expenses of Class A and Class B shares of Sovereign Bond Fund may vary from 
the pro forma operating expenses indicated above. 
    

The Funds' Investment Adviser 

   John Hancock Advisers, Inc. (the "Adviser") acts as investment adviser to 
both Funds. 

Business of John Hancock Investment Quality Bond Fund 

   
   Investment Quality Bond Fund is a diversified series of the Trust, an 
open-end management investment company organized as a Massachusetts business 
trust in 1984. As of December 31, 1994, Investment Quality Bond Fund's net 
assets were approximately $87,906,893. 
    

   All investment decisions for Investment Quality Bond Fund are made by Mr. 
James Ho, the Fund's portfolio manager. Mr. Ho is also the portfolio manager 
of 

                                      4 
<PAGE> 
Sovereign Bond Fund. Mr. Ho will continue to make all investment decisions 
for Investment Quality Bond Fund until the Reorganization. 

Business of John Hancock Sovereign Bond Fund 

   Sovereign Bond Fund is a diversified, open-end management investment 
company organized as a Massachusetts business trust. Sovereign Bond Fund's 
predecessor was organized in 1973. As of December 31, 1994, Sovereign Bond 
Fund's net assets were approximately $1,368,027,206. 

   All investment decisions for Sovereign Bond Fund are made by Mr. James Ho, 
the Fund's portfolio manager. Mr. Ho will continue to make all investment 
decisions for Sovereign Bond Fund after the Reorganization. 

Comparison of the Investment Objectives and Policies of John Hancock 
Investment Quality Bond Fund and John Hancock Sovereign Bond Fund 

   Investment Quality Bond Fund. The investment objective of Investment 
Quality Bond Fund is to earn a high level of income, consistent with prudent 
risk and safety of principal, primarily through investing in a diversified 
portfolio of investment quality fixed income securities. Investment Quality 
Bond Fund pursues this objective by normally investing at least 65% of its 
total assets in investment quality fixed income securities. Investment 
Quality Bond Fund may invest in mortgage-related derivatives, including 
collateralized mortgage obligations ("CMOs") and stripped mortgage-backed 
securities ("SMBSs"). Investment Quality Bond Fund may also enter into 
repurchase agreements and reverse repurchase agreements and may invest in 
lower rated securities, foreign securities, and asset-backed securities, 
enter into mortgage dollar rolls and engage in hedging transactions in 
various derivative instruments. 

   Sovereign Bond Fund. The investment objective of Sovereign Bond Fund is to 
generate a high level of current income, consistent with prudent investment 
risk, through investment in a diversified portfolio of freely marketable debt 
securities. Under normal market conditions, at least 65% of Sovereign Bond 
Fund's total assets will be invested in bonds and/or debentures. In addition, 
at least 75% of Sovereign Bond Fund's investments in debt securities (other 
than commercial paper) will be represented by (1) securities rated within the 
four highest rating categories of Moody's Investors Service, Inc. ("Moody's") 
or Standard & Poor's Ratings Group ("S&P"), (2) U.S. Government securities, 
(3) debt securities of banks and (4) debt securities of other issuers which, 
although not rated as a matter of policy by either Moody's or S&P, are 
considered by the Adviser to have investment quality comparable to securities 
receiving ratings within the four highest categories. Sovereign Bond Fund may 
also invest in mortgage-related derivatives, including CMOs and SMBSs, and 
may lend securities, enter into repurchase agreements and engage in hedging 
and nonhedging transactions in various derivative instruments. 

   Both Funds' investment objectives are designated as fundamental policies 
and therefore cannot be changed without shareholder approval. 

                                      5 
<PAGE> 
In considering whether to approve the Reorganization, you should consider 
the differences between the two Funds' investment objectives and policies. 
For a discussion of the risks associated with an investment in the Funds, see 
"Risk Factors and Special Considerations." 

<TABLE>
<CAPTION>
<S>                 <C>                                  <C>
                    Investment Quality Bond              Sovereign Bond Fund 
                    Fund 

Investment          Objective is to earn a high level    Objective is to generate a high 
Objective           of income, consistent with           level of current income, consistent 
                    prudent risk, and safety of          with prudent investment risk, 
                    principal, primarily through         through investment in a diversified 
                    investing in a diversified           portfolio of freely marketable debt 
                    portfolio of investment quality      securities. 
                    fixed income securities. 

Primary             Normally at least 65% of             Under normal market conditions, at 
Investments         Investment Quality Bond Fund's       least 65% of Sovereign Bond Fund's 
                    assets in the following              assets in bonds and debentures. At 
                    "investment quality" fixed income    least 75% of Sovereign Bond Fund's 
                    securities: (1) U.S. dollar          debt investments (other than 
                    denominated debt securities of       commercial paper) will be (1) 
                    foreign and U.S. issuers rated       securities rated within the top 4 
                    within the 3 highest rating          rating categories by Moody's or S&P, 
                    categories by Moody's or S&P, (2)    (2) unrated debt securities 
                    U.S. Government securities, (3)      determined by the Adviser to be of 
                    high quality money market            comparable quality, and (3) U.S. 
                    instruments, including short-term    Government securities. All debt 
                    U.S. Government securities,          investments will be U.S. dollar 
                    investment grade certificates of     denominated securities of U.S. and 
                    deposit and bankers' acceptances     foreign issuers, subject to a 25% 
                    and commercial paper rated at        limit on investments in foreign 
                    least A-1 by S&P or P-1 by           securities. 
                    Moody's, and (4) unrated debt 
                    securities determined by the 
                    Adviser to be of comparable 
                    quality. 

                                      6 
<PAGE> 
Other               Up to 35% of Investment Quality      Up to 25% of Sovereign Bond Fund's 
Investments         Bond Fund's total assets may be      assets may be invested in fixed 
                    held in cash or invested in (1)      income securities rated below the 
                    publicly offered fixed income        top 4 rating categories or 
                    securities which are rated below     determined by the Adviser to be of 
                    "investment quality", (2)            comparable below investment grade 
                    non-dollar denominated               quality. Sovereign Bond Fund may 
                    "investment quality" foreign         invest in illiquid and restricted 
                    fixed income securities, (3)         securities, subject to a 15% limit 
                    private placement fixed income       on illiquid securities. Sovereign 
                    securities not exceeding 20% of      Bond Fund may also lend portfolio 
                    the Fund's assets, (4) taxable       securities and enter into repurchase 
                    municipal securities and             agreements. 
                    convertible fixed income 
                    securities, in each case rated in 
                    the 4 highest rating categories 
                    applicable to such securities, 
                    and (5) money market instruments 
                    that do not meet the credit 
                    quality standards described 
                    above, not exceeding 5% of the 
                    Fund's assets. Not more than 34% 
                    of Investment Quality Bond Fund's 
                    assets may be invested in 
                    securities rated below the top 4 
                    rating categories. Investment 
                    Quality Bond Fund may invest up 
                    to 10% of its assets in illiquid 
                    securities, and up to 5% of its 
                    assets in restricted securities. 
                    Investment Quality Bond Fund may 
                    lend portfolio securities and 
                    enter into repurchase and reverse 
                    repurchase agreements. 

                                      7 
<PAGE> 
Permitted           Mortgage-related derivatives,        Futures contracts and options on 
Transactions in     asset-backed securities, mortgage    futures contracts traded on a U.S. 
Derivative          dollar rolls, forward currency       exchange. 
Instruments         contracts, put and call options 
                    on debt securities, interest rate 
                    futures contracts and options on 
                    such futures. 

Diversifi-          Investment Quality Bond Fund is      Sovereign Bond Fund is diversified 
cation and          diversified and does not             and does not concentrate more than 
Industry Concen-    concentrate more than 25% of its     25% of its assets in any one 
tration             assets in any one industry.          industry. 
</TABLE>
(No Change) 

Form of Organization 

   Investment Quality Bond Fund is one of six separate series of the Trust, a 
Massachusetts business trust. Sovereign Bond Fund is a Massachusetts business 
trust. Both Funds have authorized and outstanding Class A and Class B shares. 

   Each share of a Fund represents an equal proportionate interest in the 
assets belonging to that Fund. The liabilities attributable to Investment 
Quality Bond Fund are not charged against the assets of any other series of 
the Trust. Shares of Investment Quality Bond Fund and each other series of 
the Trust are voted separately with respect to matters pertaining to the Fund 
or any such series, but all shares vote together for the election of the 
Trust's Trustees and the ratification of the Trust's independent accountants. 

   The shares of each class of Investment Quality Bond Fund and Sovereign 
Bond Fund represent an interest in the same portfolio of investments of that 
Fund. Except as stated below, each class of each Fund has equal rights as to 
voting, redemption, dividends and liquidation. Each class bears different 
distribution and transfer agent fees, and may bear other expenses properly 
attributable to the particular class. Class A and Class B shareholders of 
each Fund have exclusive voting rights with regard to the Rule 12b-1 
distribution plan covering their class of shares. 

   
   Class A shares of each Fund are offered with a front-end sales charge. 
They are also subject to a Rule 12b-1 fee. The Rule 12b-1 fee for Class A 
shares of Investment Quality Bond Fund is 0.25% of the average daily net 
assets attributable to Class A shares, of which up to 0.25% of these average 
daily net assets is for service expenses and the remainder is for 
distribution expenses. The Rule 12b-1 fee for Class A shares of Sovereign 
Bond Fund is 0.30% of the average daily net assets attributable to Class A 
shares, of which up to 0.25% of these average daily net assets is for service 
expenses and the remainder is for distribution expenses. 
    

   Class B shares of each Fund are offered with a contingent deferred sales 
charge ("CDSC") payable upon redemption of these shares. They are also 
subject to a Rule 12b-1 fee. The Rule 12b-1 fee for Class B shares of both 
Funds is 1.00% 

                                      8 
<PAGE> 
of the average daily net assets attributable to Class B shares, of which up 
to 0.25% of these average daily net assets is for service expenses and up to 
0.75% is for distribution expenses. 

   As part of the Reorganization, Class A shares of Sovereign Bond Fund will 
be issued to Investment Quality Bond Fund and then distributed by it to 
Investment Quality Bond Fund's Class A shareholders. Similarly, Class B 
shares of Sovereign Bond Fund will be issued to Investment Quality Bond Fund 
and then distributed by it to Investment Quality Bond Fund's Class B 
shareholders. 

Sales Charges and Distribution and Service Fees 

   Class A Shares. Both Funds impose an initial sales charge on Class A 
shares as described above in the table under the caption "The Fund's 
Expenses". An initial sales charge does not apply to Class A shares acquired 
through the reinvestment of dividends from net investment income or capital 
gain distributions. 

   Class A shares of Sovereign Bond Fund acquired by Investment Quality Bond 
Fund's Class A shareholders pursuant to the Reorganization will not be 
subject to any initial sales charge or CDSC. However, the CDSC imposed upon 
certain redemptions within one year of purchase (referred to above) will 
continue to apply to the Class A shares of Sovereign Bond Fund issued in the 
Reorganization. The holding period for determining the application of this 
CDSC will be calculated from the date the Investment Quality Bond Fund Class 
A shares were issued. 

   Class B Shares. Sovereign Bond Fund and Investment Quality Bond Fund do 
not impose an initial sales charge on Class B shares. However, Class B shares 
redeemed within six years of purchase will be subject to a CDSC at the rates 
set forth below. This CDSC 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, Class B shareholders will not be assessed 
a CDSC on increases in account value above the initial purchase price, 
including shares derived from reinvested dividends. The amount of the CDSC, 
if any, will vary depending on the number of years from the time the Class B 
shares were purchased until the time they are redeemed, as follows: 

<TABLE>
<CAPTION>
                                       The Contingent Deferred Sales 
    Year in Which Class B Shares         Charge as a Percentage of 
    Redeemed Following 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>

   Class B shares of Sovereign Bond Fund acquired by Investment Quality Bond 
Fund's Class B shareholders pursuant to the Reorganization will not be 
subject 

                                      9 
<PAGE> 
to any CDSC at the time of the Reorganization, but will remain subject to any 
CDSC applicable upon redemption of these shares. For purposes of computing 
the CDSC payable upon redemption of Class B shares of Sovereign Bond Fund 
acquired pursuant to the Reorganization and the schedule for automatic 
conversion of Class B shares into Class A shares, the holding period of the 
Investment Quality Bond Fund Class B shares will be added to that of the 
Sovereign Bond Fund Class B shares acquired in the Reorganization. 

   
   Distribution and Service Fees. Both Funds have adopted distribution plans 
pursuant to Rule 12b-1 under the Investment Company Act of 1940, as amended 
(the "Investment Company Act"). Under these plans, each Fund may pay fees to 
John Hancock Funds, Inc. ("John Hancock Funds") to reimburse distribution and 
service expenses incurred in connection with Class A shares. These fees are 
payable at an annual rate of up to 0.25% and 0.30%, respectively, of the 
average daily net assets attributable to the Class A shares of Investment 
Quality Bond Fund and Sovereign Bond Fund. Of the fee payable by each Fund, 
up to 0.25% of net assets may be for service expenses and the remainder will 
be for distribution expenses. 
    

   In addition, under the plans, each Fund may pay fees to John Hancock Funds 
to reimburse it for distribution and service expenses incurred in connection 
with Class B shares. These fees are payable at an annual rate of 1.00% of 
each Fund's average daily net assets attributable to its Class B shares. Of 
this fee, up to 0.25% of net assets may be for service expenses and up to 
0.75% will be for distribution expenses. With respect to Class B shares only, 
if John Hancock Funds is not fully reimbursed for payments made or expenses 
incurred in any fiscal year, it is entitled to carry forward these expenses 
to subsequent fiscal years for submission to the applicable Fund for payment, 
subject always to the maximum annual distribution fee for Class B shares 
described above. 

   
   The Board of Trustees of Sovereign Bond Fund has determined that, if the 
Reorganization is consummated, unreimbursed distribution and shareholder 
service expenses originally incurred in connection with Investment Quality 
Bond Fund's shares will be reimbursable under Sovereign Bond Fund's Rule 
12b-1 Plans. As of December 31, 1994, the unreimbursed distribution and 
shareholder service expenses for Class A shares of Sovereign Bond Fund and 
Investment Quality Bond Fund were $1,073,364 and $0, respectively. The 
unreimbursed distribution and shareholder service expenses for Class B shares 
of Sovereign Bond Fund and Investment Quality Bond Fund were $1,752,030 and 
$264,130, respectively. See "Unreimbursed Distribution and Shareholder 
Expenses" below. 
    

Purchases and Exchanges 

   Shares of Sovereign Bond Fund may be purchased through certain 
broker-dealers and through John Hancock Funds at the public offering price, 
which is based on the next determined net asset value per share, plus any 
applicable sales charge. The minimum initial investment in Sovereign Bond 
Fund is $1,000 ($250 for group investments and retirement plans). In 
anticipation of the Reorganization, 

                                      10 
<PAGE> 
after the Record Date, no new accounts may be opened in Investment Quality 
Bond Fund. Existing shareholders of Investment Quality Bond Fund may continue 
to purchase shares of the Fund after the Record Date. 

   Shareholders of both Funds may exchange their shares at net asset value 
for shares of the same class, if applicable, of certain other funds managed 
by the Adviser. Shares of any fund acquired in this manner that are subject 
to a CDSC will incur the CDSC, if still applicable, upon redemption. The 
exchange privilege is available only in those states where exchanges can be 
made legally. 

Distribution Procedures 

   It is the policy of both Funds to pay dividends monthly from net 
investment income. Each Fund also distributes annually all of its other 
taxable income, including both net realized short-term and long-term capital 
gains, if any. Investment Quality Bond Fund will make, immediately prior to 
the Closing Date (as defined below), a distribution of all of its net income 
and net realized capital gains, if any, not previously distributed. 

Reinvestment Options 

   Unless an election is made to receive cash, the shareholders of both Funds 
automatically reinvest all of their respective dividends and capital gain 
distributions in additional shares of the same class of the same Fund. These 
reinvestments are made at the net asset value per share and are not subject 
to any sales charge. 

Redemption Procedures 

   Shares of both Funds may be redeemed on any business day at a price equal 
to the net asset value of the shares next determined after receipt of a 
redemption request in good order, less any applicable CDSC. Alternatively, 
shareholders of both Funds may sell their shares through securities dealers, 
who may charge a fee. Redemptions and repurchases of Class B shares and 
certain Class A shares of Investment Quality Bond Fund and Sovereign Bond 
Fund are subject to the applicable CDSC, if any. Class A and Class B shares 
of Investment Quality Bond Fund may be redeemed up to and including the 
Closing Date (as defined below). 

Reorganization 

   
   Effect of the Reorganization. Pursuant to the terms of the Agreement, the 
proposed Reorganization will consist of the acquisition by Sovereign Bond 
Fund of all the assets of Investment Quality Bond Fund in exchange solely for 
(i) the assumption by Sovereign Bond Fund of all the liabilities of 
Investment Quality Bond Fund and (ii) the issuance of Sovereign Bond Fund 
shares equal to the value of these assets, less the amount of these 
liabilities (the "Sovereign Bond Fund Shares"), to Investment Quality Bond 
Fund. As part of the liquidation process, Investment Quality Bond Fund will 
immediately distribute to its shareholders these Sovereign Bond Fund Shares 
in exchange for their shares of Investment Quality Bond Fund. Consequently, 
Class A shareholders of Investment Quality Bond Fund will become Class A 
shareholders of Sovereign Bond Fund and Class 
    


                                      11 
<PAGE> 
B shareholders of Investment Quality Bond Fund will become Class B 
shareholders of Sovereign Bond Fund. After completion of the Reorganization, 
the existence of Investment Quality Bond Fund will be terminated. 

   The Reorganization will become effective as of 5:00 p.m. on the closing 
date, scheduled for September 15, 1995, or another date on or before December 
31, 1995 as authorized representatives of the Funds may agree (the "Closing 
Date"). The Sovereign Bond Fund Class A Shares issued to Investment Quality 
Bond Fund for distribution to Investment Quality Bond Fund's Class A 
shareholders will have an aggregate net asset value equal to the aggregate 
net asset value of Investment Quality Bond Fund's Class A shares. Similarly, 
the Sovereign Bond Fund Class B Shares issued to Investment Quality Bond Fund 
for distribution to Investment Quality Bond Fund's Class B shareholders will 
have an aggregate net asset value equal to the aggregate net asset value of 
Investment Quality Bond Fund's Class B shares. For purposes of the 
Reorganization, the Funds' respective asset values will be determined as of 
the close of business (4:00 p.m. Eastern Time) on the Closing Date. 

   The Trust's Board of Trustees, including the Trustees not affiliated with 
either Fund, unanimously approved the Reorganization, and determined that it 
is in the best interests of Investment Quality Bond Fund and that the 
interests of Investment Quality Bond Fund's shareholders will not be 
materially diluted as a result of the Reorganization. Similarly, Sovereign 
Bond Fund's Board of Trustees, including the Trustees not affiliated with 
either Fund, unanimously approved the Reorganization, and determined that it 
is in the best interests of Sovereign Bond Fund and that the interests of 
Sovereign Bond Fund's shareholders will not be materially diluted as a result 
of the Reorganization. For a discussion of the factors considered by the 
Trust's Board of Trustees, see "Proposal to Approve the Agreement and Plan of 
Reorganization--Reasons for the Proposed Reorganization." 

Tax Considerations 

   The consummation of the Reorganization is subject to the receipt of an 
opinion of Hale and Dorr, counsel to the Funds, satisfactory to the Trust and 
Sovereign Bond Fund and substantially to the effect that: 

   
   (a) the acquisition by Sovereign Bond Fund of all of Investment Quality 
Bond Fund's assets solely in exchange for the issuance of Sovereign Bond Fund 
Shares to Investment Quality Bond Fund and the assumption of all of 
Investment Quality Bond Fund's liabilities by Sovereign Bond Fund, followed 
by the distribution by Investment Quality Bond Fund, in liquidation of 
Investment Quality Bond Fund, of Sovereign Bond Fund Shares to the 
shareholders of Investment Quality Bond Fund in exchange for their shares of 
beneficial interest of Investment Quality Bond Fund and the termination of 
Investment Quality Bond Fund, will constitute a "reorganization" within the 
meaning of Section 368(a) of the Internal Revenue Code of 1986, as amended 
(the "Code"), and Investment Quality Bond Fund and Sovereign Bond Fund will 
each be "a party to a reorganization" within the meaning of Section 368(b) of 
the Code; 
    


                                      12 
<PAGE> 
(b) no gain or loss will be recognized by Investment Quality Bond Fund 
upon (i) the transfer of all of its assets to Sovereign Bond Fund (in the 
exchange described above) and (ii) the distribution by Investment Quality 
Bond Fund of Sovereign Bond Fund Shares to Investment Quality Bond Fund's 
shareholders; 

   (c) no gain or loss will be recognized by Sovereign Bond Fund upon the 
receipt of Investment Quality Bond Fund's assets in the exchange described 
above; 

   (d) the basis of the assets of Investment Quality Bond Fund acquired by 
Sovereign Bond Fund will be, in each instance, the same as the basis of those 
assets in the hands of Investment Quality Bond Fund immediately prior to the 
transfer; 

   (e) the tax holding period of the assets of Investment Quality Bond Fund 
in the hands of Sovereign Bond Fund will, in each instance, include 
Investment Quality Bond Fund's tax holding period for those assets; 

   (f) the shareholders of Investment Quality Bond Fund will not recognize 
gain or loss upon the exchange of all of their Investment Quality Bond Fund 
shares for Sovereign Bond Fund Shares as part of the Reorganization; 

   (g) the basis of the Sovereign Bond Fund Shares received by Investment 
Quality Bond Fund shareholders in the Reorganization will be the same as the 
basis of the Investment Quality Bond Fund shares surrendered in exchange 
therefor; and 

   (h) the tax holding period of the Sovereign Bond Fund Shares received by 
Investment Quality Bond Fund shareholders will include, for each shareholder, 
the tax holding period for the Investment Quality Bond Fund shares 
surrendered in exchange therefor, provided the Investment Quality Bond Fund 
shares were held as capital assets on the date of the exchange. 

The Meeting 

   Time, Place and Date. The Meeting will be held on Friday, September 8, 
1995, at 101 Huntington Avenue, Boston, Massachusetts 02199, at 9:00 a.m. 
Boston time. 

   Record Date. The Record Date for determining shareholders entitled to 
notice of and to vote at the Meeting is July 14, 1995. 

   Vote Required for Approval. Approval of the Agreement by the shareholders 
of Investment Quality Bond Fund requires the affirmative vote of a majority 
of the shares of Investment Quality Bond Fund represented in person or by 
proxy and entitled to vote at a meeting of shareholders at which a quorum is 
present. The Reorganization does not require the approval of Sovereign Bond 
Fund's shareholders. See "Proposal to Approve the Agreement and Plan of 
Reorganization--Voting Rights and Required Vote." 

                   RISK FACTORS AND SPECIAL CONSIDERATIONS 

   Please see the Sovereign Bond Fund Prospectus and the Investment Quality 
Bond Fund Prospectus for a more complete description of each Fund's 
investment objectives and policies, as well as their risk factors. 

                                      13 
<PAGE> 
In deciding whether to approve the Reorganization, you should consider the 
similarities and differences between the investment objectives and policies 
and risk factors of the Funds. 

   Given the similarity of their investment objectives and policies, the 
Funds are subject to substantially identical investment risks. The value of 
the securities held by both Funds, and therefore both Funds' per share net 
asset values, will fluctuate with interest rate changes. Generally, a rise in 
interest rates will result in a decrease in the Funds' net asset values, 
while a decline will result in an increase in the Funds' net asset values. 

                      INFORMATION CONCERNING THE MEETING 

Solicitation, Revocation and Use of Proxies 

   The presence (in person or by proxy) of a majority of Investment Quality 
Bond Fund's outstanding shares that are entitled to vote at the Meeting will 
be a quorum for the transaction of business. An Investment Quality Bond Fund 
shareholder executing and returning a proxy has the power to revoke it at any 
time before it is exercised, by filing a written notice of revocation with 
Investment Quality Bond Fund's transfer agent, John Hancock Investor Services 
Corporation, P.O. Box 9116, Boston, Massachusetts 02205-9116, or by returning 
a duly executed proxy with a later date before the time of the Meeting. Any 
shareholder who has executed a proxy but is present at the Meeting and wishes 
to vote in person may revoke his or her proxy by notifying the Secretary of 
the Trust (without complying with any formalities) at any time before it is 
voted. Presence at the Meeting alone will not serve to revoke a previously 
executed and returned proxy. 

   If a quorum is not present in person or by proxy at the time any session 
of the Meeting is called to order, the persons named as proxies may vote 
those proxies that have been received to adjourn the Meeting to a later date. 
If a quorum is present but there are not sufficient votes in favor of the 
Proposal, the persons named as proxies may propose one or more adjournments 
of the Meeting to permit further solicitation of proxies with respect to the 
Proposal. Any adjournment will require the affirmative vote of a majority of 
the shares of Investment Quality Bond Fund represented in person or by proxy 
at the session of the Meeting to be adjourned. If an adjournment of the 
Meeting is proposed because there are not sufficient votes in favor of the 
Reorganization, even though a quorum is present at the Meeting, the persons 
named as proxies will vote those proxies in favor of the Reorganization in 
favor of adjournment, and will vote those proxies against the Reorganization 
against adjournment. 

   
   In addition to the solicitation of proxies by mail or in person, the Trust 
may also arrange to have votes recorded by telephone by officers and 
employees of the Trust or by personnel of the Adviser or Investor Services. 
The telephone voting procedure is designed to authenticate a shareholder's 
identity, to allow a shareholder to authorize the voting of shares in 
accordance with the shareholder's 
    

   
                                      14 
<PAGE> 
    
   
instructions and to confirm that the voting instructions have been properly 
recorded. If these procedures were subject to a successful legal challenge, 
such votes would not be counted at the Meeting. The Trust has not sought to 
obtain an opinion of counsel on this matter and is unaware of any such 
challenge at this time. A shareholder would be called on a recorded line at 
the telephone number the Trust has in its records for the account and would 
be asked the shareholder's Social Security number or other identifying 
information. The shareholder would then be given an opportunity to authorize 
proxies to vote his shares at the Meeting in accordance with the 
shareholder's instructions. To ensure that the shareholder's instructions 
have been recorded correctly, the shareholder will also receive a 
confirmation of the voting instructions in the mail. A special toll-free 
number will be available in case the voting information contained in the 
confirmation is incorrect. If the shareholder decides after voting by 
telephone to attend the Meeting, the shareholder can revoke the proxy at that 
time and vote the shares at the Meeting. 
    

Record Date and Outstanding Shares 

   
   Only Investment Quality Bond Fund shareholders of record at the close of 
business on July 14, 1995 (the "Record Date") are entitled to notice of and 
to vote at the Meeting and any adjournment of the Meeting. At the close of 
business on June 30, 1995, 9,792,224.5590 Class A and 274,668.875 Class B 
shares of beneficial interest of Investment Quality Bond Fund were 
outstanding. As of June 30, 1995, 95,330,157.236 Class A and 4,026,143.395 
Class B shares of beneficial interest of Sovereign Bond Fund were 
outstanding. 
    

Security Ownership of Certain Beneficial Owners and Management of 
Investment Quality Bond Fund and Sovereign Bond Fund 

   
   To the knowledge of the Trust, as of June 30, 1995, no person owned of 
record or beneficially 5% or more of the outstanding Class A shares of 
beneficial interest of Investment Quality Bond Fund and only Merrill Lynch 
Pierce Fenner & Smith Inc., Jacksonville, FL (17.08%) owned of record or 
beneficially 5% or more of the outstanding Class B shares of beneficial 
interest of Investment Quality Bond Fund. On the basis of their present 
holdings, Merrill Lynch Pierce Fenner & Smith Inc. will own approximately 
3.58% of Sovereign Bond Fund's outstanding Class B shares immediately after 
the Reorganization (if the Reorganization is consummated). To the knowledge 
of Sovereign Bond Fund, as of June 30, 1995, no person owned of record or 
beneficially 5% or more of its outstanding Class A or Class B shares of 
beneficial interest. 
    

   As of June 30, 1995, the Trustees and officers of the Trust, as a group, 
owned in the aggregate less than 1% of the outstanding Class A and Class B 
shares of beneficial interest of Investment Quality Bond Fund. As of June 30, 
1995, the Trustees and officers of Sovereign Bond Fund, as a group, owned in 
the aggregate less than 1% of the outstanding Class A and Class B shares of 
beneficial interest of Sovereign Bond Fund. 

                                      15 
<PAGE> 
                       PROPOSAL TO APPROVE THE AGREEMENT 
                          AND PLAN OF REORGANIZATION 

General 

   The shareholders of Investment Quality Bond Fund are being asked to 
approve the Agreement, a copy which is attached as Exhibit A. The 
Reorganization will consist of: (A) the transfer of all of Investment Quality 
Bond Fund's assets to Sovereign Bond Fund, in exchange solely for the 
issuance of Sovereign Bond Fund Shares to Investment Quality Bond Fund and 
the assumption of Investment Quality Bond Fund's liabilities by Sovereign 
Bond Fund, (B) the subsequent distribution by Investment Quality Bond Fund, 
as part of its liquidation, of the Sovereign Bond Fund Shares to Investment 
Quality Bond Fund's shareholders and (C) the termination of Investment 
Quality Bond Fund's existence. The Sovereign Bond Fund Class A Shares issued 
upon the consummation of the Reorganization will have an aggregate net asset 
value equal to the aggregate value of the assets attributable to Investment 
Quality Bond Fund's Class A shares, less liabilities attributable to 
Investment Quality Bond Fund's Class A shares. Similarly, the Sovereign Bond 
Fund Class B Shares issued upon consummation of the Reorganization will have 
an aggregate net asset value equal to the aggregate value of the assets 
attributable to Investment Quality Bond Fund's Class B shares, less the 
liabilities attributable to Investment Quality Bond Fund's Class B shares. As 
noted above, the asset values of Investment Quality Bond Fund and Sovereign 
Bond Fund will be determined at the close of business (4:00 p.m. Eastern 
Time) on the Closing Date for purposes of the Reorganization. See 
"Description of Agreement" below. 

   Pursuant to the Agreement, Investment Quality Bond Fund will liquidate and 
distribute the Sovereign Bond Fund Shares received, as described above, pro 
rata to the shareholders of record of each class determined as of the close 
of regular trading on the New York Stock Exchange on the Closing Date. The 
result of the transfer of assets will be that Sovereign Bond Fund will add to 
its portfolio the net assets of Investment Quality Bond Fund. Class A 
shareholders of Investment Quality Bond Fund will become Class A shareholders 
of Sovereign Bond Fund, and Class B shareholders of Investment Quality Bond 
Fund will become Class B shareholders of Sovereign Bond Fund. 

   The Agreement and the Reorganization were unanimously approved by the 
Trust's Board of Trustees on behalf of Investment Quality Bond Fund at a 
meeting held on May 16, 1995. The Agreement and the Reorganization were 
unanimously approved by the Board of Trustees of Sovereign Bond Fund at a 
meeting held on May 1, 1995. 

Reasons for the Proposed Reorganization 

   The Trust's Board of Trustees believes that the proposed Reorganization 
will be advantageous to the shareholders of Investment Quality Bond Fund in 
several respects. The Board of Trustees considered the following matters, 
among others, in approving the Proposal. 

                                      16 
<PAGE> 
First, the Board of Trustees believes that it is not advantageous to 
operate and market Investment Quality Bond Fund separately from Sovereign 
Bond Fund because their investment objectives and policies are substantially 
identical. For a complete description of Sovereign Bond Fund's investment 
objectives and policies, see the Sovereign Bond Fund Prospectus attached as 
Exhibit B. 

   Second, the Board of Trustees considered the fact that Investment Quality 
Bond Fund is substantially smaller than Sovereign Bond Fund. The Board of 
Trustees determined that the existence of a larger competing fund within the 
same fund complex and with substantially identical investment characteristics 
is likely to impede the marketing and asset growth of Investment Quality Bond 
Fund. 

   Third, the Board of Trustees considered that shareholders may be better 
served by a fund offering greater diversification. To the extent that the 
Funds' assets are combined into a single portfolio and a larger asset base is 
created as a result of the Reorganization, greater diversification of 
Sovereign Bond Fund's investment portfolio can be achieved than is currently 
possible in either Fund. Greater diversification is expected to be beneficial 
to shareholders of both Funds, because it may reduce the negative effect 
which the adverse performance of any one security may have on the performance 
of the entire portfolio. 

   Fourth, the Board of Trustees believes that the Sovereign Bond Fund Shares 
received in the Reorganization will provide existing Investment Quality Bond 
Fund shareholders with substantially the same investment advantages that they 
currently enjoy at a comparable level of risk. The Board of Trustees also 
considered the performance history of each Fund. 

   
   Fifth, a combined fund offers economies of scale that should have a 
positive effect on the expenses currently borne by Investment Quality Bond 
Fund and hence, indirectly, its shareholders. Both Funds incur substantial 
costs for accounting, legal, transfer agency services, insurance, and 
custodial and administrative services. The Board of Trustees expects that the 
Reorganization will result in a decrease in the expenses currently borne by 
Investment Quality Bond Fund's shareholders. See expense information in 
"Summary--the Funds' Expenses." 
    

   In determining that the Reorganization is in the best interests of 
Investment Quality Bond Fund and the interests of its shareholders, the Board 
of Trustees considered the fact that the Adviser will receive certain 
benefits from the Reorganization. The Reorganization will result in a 
consolidated portfolio management effort and may result in time savings to 
the Adviser by reducing the number of reports and regulatory filings that it 
needs to prepare. 

Capital Loss Carryovers 

   As of December 31, 1994, Investment Quality Bond Fund had capital loss 
carryovers, as determined for federal income tax purposes, in the aggregate 
amount of approximately $17,734,441, of which $3,512,860 expires on December 
31, 1996, $1,409,609 expires on December 31, 1997, $1,909,995 expires on 

                                      17 
<PAGE> 
December 31, 1998, $755,945 expires on December 31, 2000, and $10,146,032 
expires on December 31, 2002. If the Reorganization does not occur, 
Investment Quality Bond Fund may use these capital loss carryovers to offset 
any net capital gain, which would reduce the amount of net capital gain 
Investment Quality Bond Fund would be required to distribute to its 
shareholders in order to avoid fund-level income and/or excise taxes on 
undistributed capital gain. 

   If the Reorganization is consummated, Sovereign Bond Fund will succeed to 
and take into account Investment Quality Bond Fund's capital loss carryovers 
and will be able to use such carryovers, along with any carryovers it may 
have, to offset any net capital gain, subject to certain limitations under 
the Code that may be applicable because of the Reorganization and certain 
other changes in the past or future share ownership of Sovereign Bond Fund. 
These limitations could result in the expiration of all or portions of such 
carryovers before they are fully used. However, Investment Quality Bond Fund 
did not, as of December 31, 1994, have net unrealized gains that, when 
realized, its capital loss carryovers could be used to offset, and 
accordingly all or substantial portions of Investment Quality Bond Fund's 
capital loss carryovers may also expire unused if the Reorganization is not 
consummated. 

Unreimbursed Distribution and Shareholder Service Expenses 

   
   The Board of Trustees has determined that, if the Reorganization is 
consummated, distribution and shareholder service expenses incurred in 
connection with shares of Investment Quality Bond Fund, and not reimbursed 
under Investment Quality Bond Fund's Rule 12b-1 Plans or through CDSCs, will 
be reimbursable expenses under Sovereign Bond Fund's Rule 12b-1 Plans (the 
"assumption"). However, the maximum aggregate amounts payable during any 
fiscal year under Sovereign Bond Fund's Rule 12b-1 Plans (0.30% of average 
daily net assets attributable to Class A shares and 1.00% of average daily 
net assets attributable to Class B shares) will not be affected by the 
assumption. 
    

   With respect to Sovereign Bond Fund's Class A and Class B shares, the 
percentage of net assets on a pro forma combined basis that the unreimbursed 
expenses represent will decrease as a result of the Reorganization and the 
assumption. As of December 31, 1994, the unreimbursed distribution and 
shareholder service expenses of Sovereign Bond Fund attributable to Class A 
and Class B shares were $1,073,364 (.081% of Sovereign Bond Fund's net assets 
attributable to Class A shares) and $1,752,030 (4.348% of Sovereign Bond 
Fund's net assets attributable to Class B shares), respectively. As of the 
same date, the unreimbursed distribution and shareholder service expenses of 
Investment Quality Bond Fund attributable to Class A and Class B shares were 
$0 attributable to Class A shares and $264,130 (3.833% of Investment Quality 
Bond Fund's net assets attributable to Class B shares), respectively. 

   After the Reorganization, on a pro forma combined basis, the unreimbursed 
distribution and shareholder service expenses of Sovereign Bond Fund 
attributable 

                                      18 
<PAGE> 
to Class A and Class B shares will be $1,073,364 (.076% of Sovereign Bond 
Fund's pro forma net assets attributable to Class A shares) and $2,016,160 
(4.273% of Sovereign Bond Fund's pro forma net assets attributable to Class B 
shares), respectively. 

   The assumption will have no immediate effect upon the payments made under 
Sovereign Bond Fund's Rule 12b-1 Plans. While John Hancock Funds hopes to 
recover unreimbursed distribution and shareholder service expenses over an 
extended period of time, Sovereign Bond Fund is not obligated to assure that 
these amounts are recouped by John Hancock Funds. 

   Unreimbursed distribution and shareholder service expenses do not 
currently appear as an expense or liability in the financial statements of 
either Fund, nor will they appear in the financial statements of Sovereign 
Bond Fund after the Reorganization until paid or accrued. Even in the event 
of termination or noncontinuance of Sovereign Bond Fund's Rule 12b-1 Plans, 
Sovereign Bond Fund is not legally committed, and is not required to commit, 
to the payment of any unreimbursed distribution and shareholder service 
expenses. For this reason, unreimbursed expenses do not enter into the 
calculation of a Fund's net asset value or the formula for calculating Rule 
12b-1 payments. The staff of the SEC has not approved or disapproved the 
treatment of the unreimbursed distribution and shareholder service expenses 
described in this Proxy Statement. 

Board's Evaluation and Recommendation 

   
   On the basis of the factors described above and other factors, the Trust's 
Board of Trustees, including a majority of the Trustees who are not 
"interested persons" (as defined in the Investment Company Act) of the Funds, 
determined that the Reorganization is in the best interests of Investment 
Quality Bond Fund and that the interests of Investment Quality Bond Fund's 
shareholders will not be materially diluted as a result of the 
Reorganization. On the same basis, the Board of Trustees of Sovereign Bond 
Fund, including a majority of the Trustees who are not "interested persons" 
(as defined in the Investment Company Act) of the Funds, determined that the 
Reorganization is in the best interests of Sovereign Bond Fund and that the 
interests of Sovereign Bond Fund's shareholders will not be materially 
diluted as a result of the Reorganization. 
    

   THE TRUSTEES OF INVESTMENT QUALITY BOND FUND RECOMMEND THAT SHAREHOLDERS 
VOTE FOR THE PROPOSAL TO APPROVE THE AGREEMENT AND PLAN OF REORGANIZATION 

Description of Agreement 

   The following description of the Agreement is a summary, does not purport 
to be complete, and is subject in all respects to the provisions of the 
Agreement, and is qualified in its entirety by reference to the Agreement. A 
copy of the Agreement is attached to this Proxy Statement and Prospectus as 
Exhibit A and should be read in its entirety. Paragraph references are to 
appropriate provisions of the Agreement. 

                                      19 
<PAGE> 
Method of Carrying Out Reorganization. If Investment Quality Bond Fund 
shareholders approve the Agreement, the Reorganization will be consummated 
promptly after the various conditions to the obligations of each of the 
parties are satisfied (see Agreement, paragraphs 6 through 8). The 
Reorganization will be completed on the Closing Date (as defined above). 

   On the Closing Date, Investment Quality Bond Fund will transfer all of its 
assets to Sovereign Bond Fund in exchange for Sovereign Bond Fund Shares with 
an aggregate net asset value equal to the value of the assets delivered, less 
the liabilities of Investment Quality Bond Fund assumed, as of the close of 
business on the Closing Date (see Agreement, paragraphs 1 and 2). 

   The value of Investment Quality Bond Fund's assets and Sovereign Bond 
Fund's net asset values per Class A share and per Class B share will be 
determined according to the valuation procedures set forth in Sovereign Bond 
Fund's Declaration of Trust, By-laws and Prospectus (see "Share Price" in the 
Sovereign Bond Fund Prospectus). No initial sales charge or CDSC will be 
imposed upon delivery of the Sovereign Bond Fund Shares in exchange for the 
assets of Investment Quality Bond Fund. 

   Surrender of Share Certificates. Investment Quality Bond Fund shareholders 
whose Class A or Class B shares are represented by one or more share 
certificates should, prior to the Closing Date, either surrender their 
certificates to Investment Quality Bond Fund or deliver to Investment Quality 
Bond Fund an affidavit with respect to lost certificates, in such form and 
accompanied by such surety bonds as Investment Quality Bond Fund may require 
(collectively, an "Affidavit"). On the Closing Date, all certificates which 
have not been surrendered will be deemed to be cancelled, will no longer 
evidence ownership of Investment Quality Bond Fund's shares and will evidence 
ownership of Sovereign Bond Fund Shares. Shareholders may not redeem or 
transfer Sovereign Bond Fund Shares received in the Reorganization until they 
have surrendered their Investment Quality Bond Fund share certificates or 
delivered an Affidavit relating to them. Unless a shareholder specifically 
requests a share certificate, Sovereign Bond Fund will not issue share 
certificates in the Reorganization. 

   Conditions Precedent to Closing. The obligation of Investment Quality Bond 
Fund to consummate the Reorganization is subject to the satisfaction of 
certain conditions precedent, including the performance by Sovereign Bond 
Fund of all acts and undertakings required under the Agreement and the 
receipt of all consents, orders and permits necessary to consummate the 
Reorganization (see Agreement, paragraphs 6 through 8). 

   The obligation of Sovereign Bond Fund to consummate the Reorganization is 
subject to the satisfaction of certain conditions precedent, including the 
performance by the Trust and Investment Quality Bond Fund of all acts and 
undertakings to be performed under the Agreement, the receipt of certain 
documents and finan- 

                                      20 
<PAGE> 
cial statements from Investment Quality Bond Fund and the receipt of all 
consents, orders and permits necessary to consummate the Reorganization (see 
Agreement, paragraphs 6 through 8). 

   
   The obligations of both parties are subject to the receipt of approval and 
authorization of the Agreement by the vote of not less than a majority of the 
shares of beneficial interest of Investment Quality Bond Fund represented in 
person or by proxy and entitled to vote at a meeting at which a quorum is 
present (as described in the section captioned "Voting Rights and Required 
Vote"), and the receipt of a favorable opinion of Hale and Dorr as to the 
federal income tax consequences of the Reorganization (see Agreement, 
paragraph 8.6). 
    

   Termination of Agreement. The Agreement may be terminated, whether or not 
approval of Investment Quality Bond Fund's shareholders has been obtained, by 
mutual agreement of the parties. In addition, either party may terminate its 
obligations under the Agreement at or prior to the Closing Date, because of a 
material breach by the other party of any representations, warranties or 
agreements contained in the Agreement, or if a condition precedent in the 
Agreement has not been met. 

   
   Expenses of the Reorganization. Sovereign Bond Fund and Investment Quality 
Bond Fund will each be responsible for its own expenses incurred in 
connection with entering into and carrying out the provisions of the 
Agreement, whether or not the Reorganization is consummated. 
    

Tax Considerations 

   The consummation of the Reorganization is subject to the receipt of a 
favorable opinion of Hale and Dorr, counsel to the Funds, satisfactory to the 
Trust and Sovereign Bond Fund and substantially to the effect that: 

     (i) The acquisition by Sovereign Bond Fund of all of the assets of 
   Investment Quality Bond Fund solely in exchange for the issuance of 
   Sovereign Bond Fund Shares to Investment Quality Bond Fund and the 
   assumption of all of Investment Quality Bond Fund's liabilities by 
   Sovereign Bond Fund, followed by the distribution by Investment Quality 
   Bond Fund, in liquidation of Investment Quality Bond Fund, of Sovereign 
   Bond Fund Shares to the shareholders of Investment Quality Bond Fund in 
   exchange for their shares of beneficial interest of Investment Quality 
   Bond Fund and the termination of Investment Quality Bond Fund, will 
   constitute a "reorganization" within the meaning of Section 368(a) of the 
   Code, and Investment Quality Bond Fund and Sovereign Bond Fund will each 
   be "a party to a reorganization" within the meaning of Section 368(b) of 
   the Code; 

     (ii) no gain or loss will be recognized by Investment Quality Bond Fund 
   upon (a) the transfer of all of its assets to Sovereign Bond Fund solely 
   in exchange for the issuance of Sovereign Bond Fund Shares to Investment 
   Quality Bond Fund, and the assumption of all of Investment Quality Bond 
   Fund's liabilities by Sovereign Bond Fund; and (b) the distribution by 
   Invest-

                                     21 
<PAGE> 
   ment Quality Bond Fund of these Sovereign Bond Fund Shares to the 
   shareholders of Investment Quality Bond Fund; 

     (iii) no gain or loss will be recognized by Sovereign Bond Fund upon the 
   receipt of Investment Quality Bond Fund's assets solely in exchange for 
   the issuance of Sovereign Bond Fund Shares to Investment Quality Bond Fund 
   and the assumption of all of Investment Quality Bond Fund's liabilities by 
   Sovereign Bond Fund; 

     (iv) the basis of the assets of Investment Quality Bond Fund acquired by 
   Sovereign Bond Fund will be, in each instance, the same as the basis of 
   those assets in the hands of Investment Quality Bond Fund immediately 
   prior to the transfer; 

     (v) the tax holding period of the assets of Investment Quality Bond Fund 
   in the hands of Sovereign Bond Fund will, in each instance, include 
   Investment Quality Bond Fund's tax holding period for those assets; 

     (vi) the shareholders of Investment Quality Bond Fund will not recognize 
   gain or loss upon the exchange of all their Investment Quality Bond Fund 
   shares solely for Sovereign Bond Fund Shares as part of the 
   Reorganization; 

     (vii) the basis of the Sovereign Bond Fund Shares received by the 
   Investment Quality Bond Fund shareholders in the Reorganization will be 
   the same as the basis of the Investment Quality Bond Fund shares 
   surrendered in exchange therefor; and 

     (viii) the tax holding period of the Sovereign Bond Fund Shares received 
   by the Investment Quality Bond Fund shareholders will include, for each 
   shareholder, the tax holding period for the Investment Quality Bond Fund 
   shares surrendered therefor in exchange, provided the Investment Quality 
   Bond Fund shares were held as capital assets on the date of the exchange. 

Voting Rights and Required Vote 

   Each Investment Quality Bond Fund share is entitled to one vote. Class A 
and Class B shareholders of Investment Quality Bond Fund vote together with 
respect to the Proposal. Approval of the Proposal requires the affirmative 
vote of a majority of the shares of Investment Quality Bond Fund represented 
in person or by proxy and entitled to vote at a meeting of shareholders at 
which a quorum is present. 

   Shares of beneficial interest of Investment Quality Bond Fund represented 
in person or by proxy (including shares which abstain or do not vote with 
respect to the Proposal) will be counted for purposes of determining whether 
a quorum is present at the meeting. Accordingly, an abstention from voting 
has the same effect as a vote against the Proposal. However, if a broker or 
nominee holding shares in "street name" indicates on the proxy card that it 
does not have discretionary authority to vote on the Proposal, those shares 
will not be considered as 

                                      22 
<PAGE> 
   
present and entitled to vote with respect to the Proposal. Accordingly, a 
"broker non-vote" has no effect on the voting in determining whether the 
Proposal has been adopted, provided that the holders of that number of shares 
constituting a quorum (excluding the "broker non-votes") are present or 
represented. 
    

   If the requisite approval of shareholders is not obtained, Investment 
Quality Bond Fund will continue to engage in business as a series of a 
registered open-end, management investment company and the Trust's Board of 
Trustees will consider what further action may be appropriate. 

                                CAPITALIZATION 

   The following table sets forth the capitalization of each Fund as of 
December 31, 1994, and the pro forma combined capitalization of both Funds as 
if the Reorganization had occurred on that date. The table reflects pro forma 
exchange ratios of approximately 0.57933 Class A Sovereign Bond Fund Shares 
being issued for each Class A share of Investment Quality Bond Fund and 
approximately 0.57939 Class B Sovereign Bond Fund Shares being issued for 
each Class B share of Investment Quality Bond Fund. If the Reorganization is 
consummated, the actual exchange ratios on the Closing Date may vary from the 
exchange ratios indicated due to changes in the market value of the portfolio 
securities of both Sovereign Bond Fund and Investment Quality Bond Fund 
between December 31, 1994 and the Closing Date, changes in the amount of 
undistributed net investment income and net realized capital gains of 
Sovereign Bond Fund and Investment Quality Bond Fund during that period 
resulting from income and distributions, and changes in the accrued 
liabilities of Sovereign Bond Fund and Investment Quality Bond Fund during 
the same period. 

                              DECEMBER 31, 1994 

<TABLE>
<CAPTION>
                             Investment 
                               Quality       Sovereign 
                                Bond           Bond            Pro Forma 
                                Fund           Fund            Combined 
                              ----------    ------------    ---------------- 
<S>                         <C>         <C>                 <C>
Net Assets                  $87,906,893 $1,366,356,991*     $1,454,263,884 
Net Asset Value Per 
  Share: 
  Class A                         $8.05          $13.90             $13.90 
  Class B                         $8.05          $13.90             $13.90 
Shares Outstanding: 
  Class A                    10,060,420      95,399,448        101,227,726(1) 
  Class B                       855,477       2,898,886          3,394,540(1) 
</TABLE>

(1) If the Reorganization had taken place on December 31, 1994, Investment 
    Quality Bond Fund would have received 5,828,278 Class A shares and 
    495,654 Class B shares of Sovereign Bond Fund which would have been 
    available for distribution to shareholders of the applicable class of 
    Investment Quality Bond Fund. No assurance can be given as to the number 
    of Class A 

                                      23 
<PAGE> 
Shares or Class B shares of Sovereign Bond Fund that will be received by 
    Investment Quality Bond Fund on the Closing Date. The foregoing is merely 
    an example of what Investment Quality Bond Fund would have received and 
    distributed had the Reorganization been consummated on December 31, 1994 
    and should not be relied upon to reflect the amount that will actually be 
    received on the Closing Date. 

  * Excludes net assets of Class C shares of Sovereign Bond Fund, which were 
    outstanding on December 31, 1994. 

                     COMPARATIVE PERFORMANCE INFORMATION 

Total Return 

   The average annual total return at public offering price on Investment 
Quality Bond Fund's Class A shares for the one-year, five-year and ten-year 
periods ended December 31, 1994 was (10.21)%, 5.72% and 8.18%, respectively. 
The average annual total return on Investment Quality Bond Fund's Class B 
shares for the one-year period ended December 31, 1994 was (11.40)%. The 
average annual total return on Investment Quality Bond Fund's Class B shares 
for the period from June 30, 1993 (commencement of operations) through 
December 31, 1994 was (5.47)%. Total returns on Class B shares reflect the 
applicable contingent sales charge. 

   The average annual total return at public offering price on Sovereign Bond 
Fund's Class A shares for the one-year, five-year and ten-year periods ended 
December 31, 1994 was (7.12)%, 6.90% and 9.28%, respectively. The average 
annual total return on Sovereign Bond Fund's Class B shares for the one-year 
period ended December 31, 1994 was (7.97)%. The average annual total return 
on Sovereign Bond Fund's Class B shares for the period from November 23, 1993 
(commencement of operations) through December 31, 1994 was (8.12)%. Total 
returns on Class B shares reflect the applicable contingent deferred sales 
charge. 

   The average annual total return of each class of the Funds is determined 
by multiplying a hypothetical initial investment of $1,000 in a class by the 
average annual compound rate of return (including capital 
appreciation/depreciation, and dividends and distributions paid and 
reinvested) attributable to that class for the stated period and annualizing 
the result. 

   The table below indicates the total return (capital changes plus 
reinvestment of all dividends and distributions) on a hypothetical investment 
of $1,000 in each class of each Fund covering the indicated periods ending 
December 31, 1994. The data below represent historical performance which 
should not be considered indicative of future performance of either Fund. 
Each Fund's performance and net asset value will fluctuate such that shares, 
when redeemed, may be worth more or less than their original cost. 

                                      24 
<PAGE> 
VALUE OF A $1,000 INVESTMENT IN JOHN HANCOCK INVESTMENT QUALITY BOND FUND 
                                 (UNAUDITED) 

<TABLE>
<CAPTION>
                                               Value of
                                             Investment on      Total Return               Total Return 
                                             Dec. 31, 1994  Including Sales Charge    Excluding Sales Charge 
                    Investment   Amount of     Including   ------------------------  ------------------------- 
Investment Period    Date       Investment   Sales Charge   Cumulative   Annualized   Cumulative   Annualized 
 ----------------- ----------  -----------  -------------  -----------  -----------  -----------  ------------ 
<S>                  <C>          <C>          <C>            <C>          <C>          <C>          <C>
Class A Shares: 
10 years ended 
  December 31, 
  1994               12/31/84     $1,000        $2,194        119.43%        8.18%      130.49%        8.71% 
5 years ended 
  December 31, 
  1994               12/31/89     $1,000        $1,321         32.08%        5.72%       38.72%        6.76% 
1 year ended 
  December 31, 
  1994               12/31/93     $1,000        $  898        (10.21)%     (10.21)%      (5.73)%      (5.73)% 
Class B Shares: 
From Inception 
  (June 30, 1993) 
  to December 31, 
  1994                6/30/93     $1,000        $  919         (8.10)%      (5.47)%      (4.10)%      (2.75)% 
1 year ended 
  December 31, 
  1994               12/31/93     $1,000        $  886        (11.40)%     (11.40)%      (6.40)%      (6.40)% 
</TABLE>

       VALUE OF A $1,000 INVESTMENT IN JOHN HANCOCK SOVEREIGN BOND FUND 
                                 (UNAUDITED) 

<TABLE>
<CAPTION>
                                               Value of
                                             Investment on      Total Return               Total Return 
                                             Dec. 31, 1994  Including Sales Charge    Excluding Sales Charge 
                    Investment   Amount of     Including   ------------------------  ------------------------- 
Investment Period    Date       Investment   Sales Charge   Cumulative   Annualized   Cumulative   Annualized 
 ----------------- ----------  -----------  -------------  -----------  -----------  -----------  ------------ 
<S>                  <C>         <C>            <C>           <C>          <C>          <C>          <C>
Class A Shares: 
10 years ended 
  December 31, 
  1994               12/31/84     $1,000        $2,429        142.85%        9.28%      154.35%        9.79% 
5 years ended 
  December 31, 
  1994               12/31/89     $1,000        $1,396         39.59%        6.90%       46.21%        7.89% 
1 year ended 
  December 31, 
  1994               12/31/93     $1,000        $  929         (7.12)%      (7.12)%      (2.75)%      (2.75)% 
Class B Shares: 
From Inception 
  (November 23, 
  1993) to 
  December 31, 
  1994               11/23/93     $1,000        $  911         (8.90)%      (8.12)%      (5.12)%      (4.65)% 
1 year ended 
  December 31, 
  1994               12/31/93     $1,000        $  920         (7.97)%      (7.97)%      (3.13)%      (3.13)% 
</TABLE>

                                      25 
<PAGE> 
BUSINESS OF SOVEREIGN BOND FUND 

General 

   For a discussion of the organization and operation of Sovereign Bond Fund, 
see "Investment Objectives and Policies" and "Organization and Management of 
the Fund" in the Sovereign Bond Fund Prospectus. 

Investment Objective and Policies 

   For a discussion of Sovereign Bond Fund's investment objectives and 
policies, see "Investment Objectives and Policies" in the Sovereign Bond Fund 
Prospectus. 

Portfolio Management 

   Day-to-day management of Sovereign Bond Fund is carried out by James Ho 
with the assistance of a co-manager and a team of credit analysts. Mr. Ho is 
a Senior Vice President of the Adviser and directs all taxable fixed-income 
investment management for the Adviser. Mr. Ho has been associated with the 
Adviser since 1985. He will continue to act as portfolio manager of Sovereign 
Bond Fund after the Reorganization. 

Trustees 

   For a discussion of the responsibilities of Sovereign Bond Fund's Board of 
Trustees, see "Organization and Management of the Fund" in the Sovereign Bond 
Fund Prospectus. 

Investment Adviser and Distributor 

   For a discussion regarding Sovereign Bond Fund's investment adviser and 
distributor, see "Organization and Management of the Fund," "How to Buy 
Shares" and "Share Price" in the Sovereign Bond Fund Prospectus. 

Expenses 

   For a discussion of Sovereign Bond Fund's expenses, see "Expense 
Information" and "The Fund's Expenses" in the Sovereign Bond Fund Prospectus. 

Custodian and Transfer Agent 

   Sovereign Bond Fund's custodian is Investors Bank & Trust Company. 
Sovereign Bond Fund's transfer agent is John Hancock Investor Services 
Corporation. 

Sovereign Bond Fund Shares 

   For a discussion of the Sovereign Bond Fund Shares, see "Organization and 
Management of the Fund" in the Sovereign Bond Fund Prospectus. 

Purchase of Sovereign Bond Fund Shares 

   For a discussion of how Class A and Class B shares of Sovereign Bond Fund 
may be purchased or exchanged, see "How to Buy Shares," "Alternative Purchase 
Arrangements" and "Additional Services and Programs" in the Sovereign Bond 
Fund Prospectus. 

                                      26 
<PAGE> 
Redemption of Sovereign Bond Fund Shares 

   For a discussion of how Class A and Class B shares of Sovereign Bond Fund 
may be redeemed, see "How to Redeem Shares" in the Sovereign Bond Fund 
Prospectus. Former shareholders of Investment Quality Bond Fund whose shares 
are represented by share certificates will be required to surrender their 
certificates for cancellation or deliver an affidavit of loss accompanied by 
an adequate surety bond to Investor Services in order to redeem Sovereign 
Bond Fund Shares received in the Reorganization. 

Dividends, Distributions and Taxes 

   For a discussion of Sovereign Bond Fund's policy with respect to 
dividends, distributions and taxes, see "Dividends and Taxes" in the 
Sovereign Bond Fund Prospectus. 

                   BUSINESS OF INVESTMENT QUALITY BOND FUND 

General 

   For a discussion of the organization and operation of Investment Quality 
Bond Fund, see "Investment Objective and Policies" and "Organization and 
Management of the Fund" in the Investment Quality Bond Fund Prospectus. 

Investment Objective and Policies 

   For a discussion of Investment Quality Bond Fund's investment objectives 
and policies, see "Investment Objective and Policies" in the Investment 
Quality Bond Fund Prospectus. 

Portfolio Management 

   All investment decisions for Investment Quality Bond Fund are made by Mr. 
James Ho. For a description of Mr. Ho's business experience, see "Business of 
Sovereign Bond Fund--Portfolio Management" above. 

Trustees 

   For a discussion of the responsibilities of the Board of Trustees, see 
"Organization and Management of the Fund" in the Investment Quality Bond Fund 
Prospectus. 

Investment Adviser and Distributor 

   For a discussion regarding Investment Quality Bond Fund's investment 
adviser and distributor, see "Organization and Management of the Fund," "How 
to Buy Shares" and "Share Price" in the Investment Quality Bond Fund 
Prospectus. 

Expenses 

   For a discussion of the Investment Quality Bond Fund's expenses, see 
"Expense Information" and "The Fund's Expenses" in the Investment Quality 
Bond Fund Prospectus. 

                                      27 
<PAGE> 
Custodian and Transfer Agent 

   
   Investment Quality Bond Fund's custodian is Investors Bank & Trust 
Company. Investment Quality Bond Fund's transfer agent is John Hancock 
Investor Services Corporation. 
    

Investment Quality Bond Fund Shares 

   For a discussion of Investment Quality Bond Fund's shares of beneficial 
interest, see "Organization and Management of the Fund" in the Investment 
Quality Bond Fund Prospectus. 

Purchase of Investment Quality Bond Fund Shares 

   For a discussion of how shares of Investment Quality Bond Fund may be 
purchased or exchanged, see "How to Buy Shares," "Alternative Purchase 
Arrangements" and "Additional Services and Programs" in the Investment 
Quality Bond Fund Prospectus. In anticipation of the Reorganization, 
Investment Quality Bond Fund has stopped offering its shares to all investors 
other than existing shareholders. 

Redemption of Investment Quality Bond Fund Shares 

   For a discussion of how Class A and Class B shares of Investment Quality 
Bond Fund may be redeemed (other than in the Reorganization), see "How to 
Redeem Shares" in the Investment Quality Bond Fund Prospectus. Investment 
Quality Bond Fund shareholders whose shares are represented by share 
certificates will be required to surrender their certificates for 
cancellation or deliver an affidavit of loss accompanied by an adequate 
surety bond to Investor Services in order to redeem Sovereign Bond Fund 
Shares received in the Reorganization. 

Dividends, Distributions and Taxes 

   For a discussion of the Investment Quality Bond Fund's policy with respect 
to dividends, distributions and taxes, see "Distributions and Taxes" in the 
Investment Quality Bond Fund Prospectus. 

                                   EXPERTS 

   The respective financial statements and the respective financial 
highlights of Sovereign Bond Fund and Investment Quality Bond Fund as of 
December 31, 1994 and March 31, 1995, respectively, and for the respective 
fiscal years then ended, incorporated by reference into this Proxy Statement 
and Prospectus, have been audited by Ernst & Young LLP, independent auditors, 
as set forth in their respective reports thereon appearing in the Statement 
of Additional Information, and are included in reliance upon the authority of 
such firm as experts in accounting and auditing. 

                                      28 
<PAGE> 
                             AVAILABLE INFORMATION

   Each Fund is subject to the informational requirements of the Securities 
Exchange Act of 1934 and the Investment Company Act, and in accordance 
therewith files reports, proxy statements and other information with the SEC. 
Such reports, proxy statements and other information filed by Sovereign Bond 
Fund and the Trust, on behalf of Investment Quality Bond Fund, can be 
inspected and copied (at prescribed rates) at the public reference facilities 
of the SEC at 450 Fifth Street, N.W., Washington, D.C., and at the following 
regional offices: Chicago (500 West Madison Street, Suite 1400, Chicago, 
Illinois); and New York (7 World Trade Center, Suite 1300, New York, New 
York). Copies of such material can also be obtained by mail from the Public 
Reference Section of the SEC at 450 Fifth Street, N.W., Washington, D.C. 
20549, at prescribed rates. 

                                      29 
<PAGE> 
                                                                       EXHIBIT A

                     AGREEMENT AND PLAN OF REORGANIZATION 
   THIS AGREEMENT AND PLAN OF REORGANIZATION (the "Agreement") is made this 
14th day of July, 1995, by and between John Hancock Sovereign Bond Fund (the 
"Acquiring Fund"), a Massachusetts business trust, and John Hancock 
Investment Quality Bond Fund (the "Acquired Fund"), a series of John Hancock 
Bond Fund (the "Trust"), a Massachusetts business trust. The principal place 
of business of the Acquiring Fund and the Trust is 101 Huntington Avenue, 
Boston, Massachusetts 02199. The Acquiring Fund and the Acquired Fund are 
sometimes referred to collectively herein as the "Funds" and individually as 
a "Fund." 

   This Agreement is intended to be and is adopted as a plan of 
"reorganization," as such term is used in Section 368(a) of the Internal 
Revenue Code of 1986, as amended (the "Code"). The reorganization will 
consist of the transfer of all of the assets of the Acquired Fund to the 
Acquiring Fund in exchange solely for the issuance of Class A and Class B 
shares of beneficial interest of the Acquiring Fund (the "Acquiring Fund 
Shares") to the Acquired Fund and the assumption by the Acquiring Fund of all 
of the liabilities of the Acquired Fund, followed by the distribution by the 
Acquired Fund, on or promptly after the Closing Date hereinafter referred to, 
of the Acquiring Fund Shares to the shareholders of the Acquired Fund in 
liquidation and termination of the Acquired Fund as provided herein, all upon 
the terms and conditions set forth in this Agreement. 

   In consideration of the premises of the covenants and agreements 
hereinafter set forth, the parties hereto covenant and agree as follows: 

1. TRANSFER OF ASSETS OF THE ACQUIRED FUND IN 
   EXCHANGE FOR ASSUMPTION OF LIABILITIES AND 
   ISSUANCE OF ACQUIRING FUND SHARES; LIQUIDATION 
   OF THE ACQUIRED FUND 

   1.1 The Acquired Fund will transfer all of its assets (consisting, without 
limitation, of portfolio securities and instruments, dividends and interest 
receivables, cash and other assets), as set forth in the statement of assets 
and liabilities referred to in Paragraph 7.2 hereof (the "Statement of Assets 
and Liabilities"), to the Acquiring Fund free and clear of all liens and 
encumbrances, except as otherwise provided herein, in exchange for (i) the 
assumption by the Acquiring Fund of the known and unknown liabilities of the 
Acquired Fund, including the liabilities set forth in the Statement of Assets 
and Liabilities (the "Acquired Fund Liabilities"), which shall be assigned 
and transferred to the Acquiring Fund by the Acquired Fund and assumed by the 
Acquiring Fund, and (ii) delivery by the Acquiring Fund to the Acquired Fund, 
for distribution pro rata by the Acquired Fund to its Class A and Class B 
shareholders in proportion to their respective ownership of Class A and/or 
Class B shares of beneficial interest of the Acquired Fund, as of the close 

                                     A-1 
<PAGE> 
   
of business on the closing date (the "Closing Date"), of a number of the 
Acquiring Fund Shares having an aggregate net asset value equal, in the case 
of each class of Acquiring Fund Shares, to the value of the assets, less such 
liabilities (herein referred to as the "net value of the assets"), 
attributable to the corresponding class of the Acquired Fund so transferred, 
assumed, assigned and delivered, all determined as provided in Paragraph 2.1 
hereof and as of a date and time as specified therein. Such transactions 
shall take place at the closing provided for in Paragraph 3.1 hereof (the 
"Closing"). All computations shall be provided by Investors Bank & Trust 
Company (the "Custodian"), as custodian and pricing agent for the Acquiring 
Fund and the Acquired Fund, and shall be recomputed by Ernst & Young LLP, the 
independent accountants of the Acquiring Fund. The determination of the 
Custodian, as recomputed by said accountants, shall, absent manifest error, 
be conclusive and binding on all parties in interest. 
    

   1.2 The Acquired Fund has provided the Acquiring Fund with a list of the 
current securities holdings of the Acquired Fund as of the date of execution 
of this Agreement. The Acquired Fund reserves the right to sell any of these 
securities (except to the extent sales may be limited by representations made 
in connection with issuance of the tax opinion provided for in Paragraph 8.6 
hereof) but will not, without the prior approval of the Acquiring Fund, 
acquire any additional securities other than securities of the type in which 
the Acquiring Fund is permitted to invest. 

   1.3 The Acquiring Fund and the Acquired Fund shall each bear its own 
expenses in connection with the transactions contemplated by this Agreement. 

   1.4 On or as soon after the Closing Date as is conveniently practicable 
(the "Liquidation Date"), the Acquired Fund will liquidate and distribute pro 
rata to shareholders of record of the applicable class (the "Acquired Fund 
shareholders"), determined as of the close of regular trading on the New York 
Stock Exchange on the Closing Date, the Acquiring Fund Shares received by the 
Acquired Fund pursuant to Paragraph 1.1 hereof. Such liquidation and 
distribution will be accomplished by the transfer of the Acquiring Fund 
Shares then credited to the account of the Acquired Fund on the books of the 
Acquiring Fund, to open accounts on the share records of the Acquiring Fund 
in the names of the Acquired Fund shareholders and representing the 
respective pro rata number and class of Acquiring Fund Shares due such 
shareholders. Acquired Fund shareholders who own Class A shares of the 
Acquired Fund will receive Class A Acquiring Fund Shares, and Acquired Fund 
shareholders who own Class B shares of the Acquired Fund will receive Class B 
Acquiring Fund Shares. The Acquiring Fund shall not issue certificates 
representing Acquiring Fund Shares in connection with such exchange. 

   1.5 The Acquired Fund shareholders holding certificates representing their 
ownership of shares of beneficial interest of the Acquired Fund shall 
surrender such certificates or deliver an affidavit with respect to lost 
certificates in such form and accompanied by such surety bonds as the 
Acquired Fund may require (collectively, an "Affidavit"), to John Hancock 
Investor Services Corporation prior to the Closing Date. Any Acquired Fund 
share certificate which remains outstanding 

                                     A-2 
<PAGE> 
on the Closing Date shall be deemed to be cancelled, shall no longer evidence 
ownership of shares of beneficial interest of the Acquired Fund and shall 
evidence ownership of Acquiring Fund Shares. Unless and until any such 
certificate shall be so surrendered or an Affidavit relating thereto shall be 
delivered, dividends and other distributions payable by the Acquiring Fund 
subsequent to the Liquidation Date with respect to Acquiring Fund Shares 
shall be paid to the holder of such certificate(s), but such shareholders may 
not redeem or transfer Acquiring Fund Shares received in the Reorganization. 
The Acquiring Fund will not issue share certificates in the Reorganization. 

   1.6 Any transfer taxes payable upon issuance of Acquiring Fund Shares in a 
name other than the registered holder of the Acquired Fund shares on the 
books of the Acquired Fund as of that time shall, as a condition of such 
issuance and transfer, be paid by the person to whom such Acquiring Fund 
Shares are to be issued and transferred. 

   1.7 The existence of the Acquired Fund shall be terminated as promptly as 
practicable following the Liquidation Date. 

   1.8 Any reporting responsibility of the Trust with respect to the Acquired 
Fund, including, but not limited to, the responsibility for filing of 
regulatory reports, tax returns, or other documents with the Securities and 
Exchange Commission (the "Commission"), any state securities commissions, and 
any federal, state or local tax authorities or any other relevant regulatory 
authority, is and shall remain the responsibility of the Trust. 

2. VALUATION 

   2.1 The net asset values of the Class A and Class B Acquiring Fund Shares 
and the net values of the assets of the Acquired Fund attributable to its 
Class A and Class B shares to be transferred shall in each case be determined 
as of the close of business (4:00 p.m. Boston time) on the Closing Date. The 
net asset values of the Class A and Class B Acquiring Fund Shares shall be 
computed by the Custodian in the manner set forth in the Acquiring Fund's 
Declaration of Trust, as amended and restated, or By-laws and the Acquiring 
Fund's then-current prospectus and statement of additional information and 
shall be computed in each case to not fewer than four decimal places. The net 
values of the assets of the Acquired Fund attributable to its Class A and 
Class B shares to be transferred shall be computed by the Custodian by 
calculating the value of the assets of each class transferred by the Acquired 
Fund and by subtracting therefrom the amount of the liabilities of each 
respective class assigned and transferred to and assumed by the Acquiring 
Fund on the Closing Date, said assets and liabilities to be valued in the 
manner set forth in the Acquired Fund's then-current prospectus and statement 
of additional information and shall be computed in each case to not fewer 
than four decimal places. 

   2.2 The number of shares of each class of Acquiring Fund Shares to be 
issued (including fractional shares, if any) in exchange for the Acquired 
Fund's assets 

                                     A-3 
<PAGE> 
shall be determined by dividing the value of the Acquired Fund's assets 
attributable to a class, less the liabilities attributable to that class 
assumed by the Acquiring Fund, by the Acquiring Fund's net asset value per 
share of the same class, all as determined in accordance with Paragraph 2.1 
hereof. 

   2.3 All computations of value shall be made by the Custodian in accordance 
with its regular practice as pricing agent for the Funds. 

3. CLOSING AND CLOSING DATE 

   3.1 The Closing Date shall be September 15, 1995 or such other date on or 
before December 31, 1995, as the parties may agree. The Closing shall be held 
as of 5:00 p.m. at the offices of the Acquiring Fund and the Trust, 101 
Huntington Avenue, Boston, Massachusetts 02199, or at such other time and/or 
place as the parties may agree. 

   3.2 Portfolio securities that are not held in book-entry form in the name 
of the Custodian as record holder for the Acquired Fund shall be presented by 
the Acquired Fund to the Custodian for examination no later than five 
business days preceding the Closing Date. Portfolio securities which are not 
held in book-entry form shall be delivered by the Acquired Fund to the 
Custodian for the account of the Acquiring Fund on the Closing Date, duly 
endorsed in proper form for transfer, in such condition as to constitute good 
delivery thereof in accordance with the custom of brokers, and shall be 
accompanied by all necessary federal and state stock transfer stamps or a 
check for the appropriate purchase price thereof. Portfolio securities held 
of record by the Custodian in book-entry form on behalf of the Acquired Fund 
shall be delivered to the Acquiring Fund by the Custodian by recording the 
transfer of beneficial ownership thereof on its records. The cash delivered 
shall be in the form of currency or by the Custodian crediting the Acquiring 
Fund's account maintained with the Custodian with immediately available 
funds. 

   3.3 In the event that on the Closing Date (a) the New York Stock Exchange 
shall be closed to trading or trading thereon shall be restricted or (b) 
trading or the reporting of trading on said Exchange or elsewhere shall be 
disrupted so that accurate appraisal of the value of the net assets of the 
Acquiring Fund or the Acquired Fund is impracticable, the Closing Date shall 
be postponed until the first business day after the day when trading shall 
have been fully resumed and reporting shall have been restored; provided that 
if trading shall not be fully resumed and reporting restored on or before 
December 31, 1995, this Agreement may be terminated by the Acquiring Fund or 
by the Acquired Fund upon the giving of written notice to the other party. 

   3.4 The Acquired Fund shall deliver at the Closing a list of the names, 
addresses, federal taxpayer identification numbers and backup withholding and 
nonresident alien withholding status of the Acquired Fund shareholders and 
the number of outstanding shares of each class of beneficial interest of the 
Acquired 

                                     A-4 
<PAGE> 
Fund owned by each such shareholder, all as of the close of business on the 
Closing Date, certified by its Treasurer, Secretary or other authorized 
officer (the "Shareholder List"). The Acquiring Fund shall issue and deliver 
to the Acquired Fund a confirmation evidencing the Acquiring Fund Shares to 
be credited on the Closing Date, or provide evidence satisfactory to the 
Acquired Fund that such Acquiring Fund Shares have been credited to the 
Acquired Fund's account on the books of the Acquiring Fund. At the Closing, 
each party shall deliver to the other such bills of sale, checks, 
assignments, stock certificates, receipts or other documents as such other 
party or its counsel may reasonably request. 

4. REPRESENTATIONS AND WARRANTIES 

   4.1 The Trust on behalf of the Acquired Fund represents, warrants and 
covenants to the Acquiring Fund as follows: 

     (a) The Trust is a business trust duly organized, validly existing and 
   in good standing under the laws of The Commonwealth of Massachusetts and 
   has the power to own all of its properties and assets and, subject to 
   approval by the shareholders of the Acquired Fund, to carry out the 
   transactions contemplated by this Agreement. Neither the Trust nor the 
   Acquired Fund is required to qualify to do business in any jurisdiction in 
   which it is not so qualified or where failure to qualify would not subject 
   it to any material liability or disability. The Trust has all necessary 
   federal, state and local authorizations to own all of its properties and 
   assets and to carry on its business as now being conducted; 

     (b) The Trust is a registered investment company classified as a 
   management company and its registration with the Commission as an 
   investment company under the Investment Company Act of 1940, as amended 
   (the "1940 Act"), is in full force and effect. The Acquired Fund is a 
   diversified series of the Trust; 

     (c) The Trust and the Acquired Fund are not, and the execution, delivery 
   and performance of their obligations under this Agreement will not result, 
   in violation of any provision of the Trust's Declaration of Trust, as 
   amended and restated, or By-Laws or of any agreement, indenture, 
   instrument, contract, lease or other undertaking to which the Trust or the 
   Acquired Fund is a party or by which it is bound; 

     (d) Except as otherwise disclosed in writing and accepted by the 
   Acquiring Fund, no material litigation or administrative proceeding or 
   investigation of or before any court or governmental body is currently 
   pending or threatened against the Trust or the Acquired Fund or any of the 
   Acquired Fund's properties or assets. The Trust knows of no facts which 
   might form the basis for the institution of such proceedings, and neither 
   the Trust nor the Acquired Fund is a party to or subject to the provisions 
   of any order, decree 

                                     A-5 
<PAGE> 
   or judgment of any court or governmental body which materially and 
   adversely affects the Acquired Fund's business or its ability to 
   consummate the transactions herein contemplated; 

     (e) The Acquired Fund has no material contracts or other commitments 
   (other than this Agreement or agreements for the purchase of securities 
   entered into in the ordinary course of business and consistent with its 
   obligations under this Agreement) which will not be terminated without 
   liability to the Acquired Fund at or prior to the Closing Date; 

     (f) The statement of assets and liabilities, including the schedule of 
   investments, of the Acquired Fund as of March 31, 1995, the related 
   statement of operations for the year then ended, and the statement of 
   changes in net assets for the years ended March 31, 1995 and 1994 (audited 
   by Ernst & Young LLP) (copies of which have been furnished to the 
   Acquiring Fund) present fairly in all material respects the financial 
   condition of the Acquired Fund as of March 31, 1995, and the results of 
   its operations and changes in net assets for the respective stated periods 
   in accordance with generally accepted accounting principles consistently 
   applied, and there were no actual or contingent liabilities of the 
   Acquired Fund as of March 31, 1995 not disclosed therein; 

     (g) Since March 31, 1995, there has not been any material adverse change 
   in the Acquired Fund's financial condition, assets, liabilities, or 
   business other than changes occurring in the ordinary course of business, 
   or any incurrence by the Acquired Fund of indebtedness maturing more than 
   one year from the date such indebtedness was incurred, except as otherwise 
   disclosed to and accepted by the Acquiring Fund; 

     (h) At the date hereof and by the Closing Date, all federal, state and 
   other tax returns and reports, including information returns and payee 
   statements, of the Acquired Fund required by law to have been filed or 
   furnished by such dates shall have been filed or furnished, and all 
   federal, state and other taxes, interest and penalties shall have been 
   paid so far as due, or provision shall have been made for the payment 
   thereof, and to the best of the Acquired Fund's knowledge no such return 
   is currently under audit and no assessment has been asserted with respect 
   to such returns or reports; 

     (i) The Acquired Fund has elected to be treated as a regulated 
   investment company for federal income tax purposes, has qualified as such 
   for each taxable year of its operation and will qualify as such as of the 
   Closing Date with respect to its final taxable year ending on the Closing 
   Date; 

     (j) The authorized capital of the Trust consists of an unlimited number 
   of shares of beneficial interest, $0.01 par value per share. All issued 
   and outstanding shares of beneficial interest of the Acquired Fund are, 
   and at the Closing Date will be, duly and validly issued and outstanding, 
   fully paid and 

                                     A-6 
<PAGE> 
   nonassessable by the Trust. All of the issued and outstanding shares of 
   beneficial interest of the Acquired Fund will, at the time of Closing, be 
   held by the persons and in the amounts and classes set forth in the 
   Shareholder List submitted to the Acquiring Fund pursuant to Paragraph 3.4 
   hereof. The Acquired Fund does not have outstanding any options, warrants 
   or other rights to subscribe for or purchase any of its shares of 
   beneficial interest, nor is there outstanding any security convertible 
   into any of its shares of beneficial interest; 

     (k) At the Closing Date, the Acquired Fund will have good and marketable 
   title to the assets to be transferred to the Acquiring Fund pursuant to 
   Paragraph 1.1 hereof, and full right, power and authority to sell, assign, 
   transfer and deliver such assets hereunder, and upon delivery and payment 
   for such assets, the Acquiring Fund will acquire good and marketable title 
   thereto subject to no restrictions on the full transfer thereof, including 
   such restrictions as might arise under the Securities Act of 1933, as 
   amended (the "1933 Act"); 

     (l) The execution, delivery and performance of this Agreement have been 
   duly authorized by all necessary action on the part of the Trust on behalf 
   of the Acquired Fund, and this Agreement constitutes a valid and binding 
   obligation of the Trust and the Acquired Fund enforceable in accordance 
   with its terms, subject to the approval of the Acquired Fund's 
   shareholders; 

     (m) The information to be furnished by the Acquired Fund to the 
   Acquiring Fund for use in applications for orders, registration 
   statements, proxy materials and other documents which may be necessary in 
   connection with the transactions contemplated hereby shall be accurate and 
   complete and shall comply in all material respects with federal securities 
   and other laws and regulations thereunder applicable thereto; 

     (n) The proxy statement of the Acquired Fund (the "Proxy Statement") to 
   be included in the Registration Statement referred to in Paragraph 5.7 
   hereof (other than written information furnished by the Acquiring Fund for 
   inclusion therein, as covered by the Acquiring Fund's warranty in 
   Paragraph 4.2(m) hereof), on the effective date of the Registration 
   Statement, on the date of the meeting of the Acquired Fund shareholders 
   and on the Closing Date, shall not contain any untrue statement of a 
   material fact or omit to state a material fact required to be stated 
   therein or necessary to make the statements therein, in light of the 
   circumstances under which such statements were made, not misleading; 

     (o) No consent, approval, authorization or order of any court or 
   governmental authority is required for the consummation by the Acquired 
   Fund of the transactions contemplated by this Agreement; 

     (p) All of the issued and outstanding shares of beneficial interest of 
   the Acquired Fund have been offered for sale and sold in conformity with 
   all applicable federal and state securities laws; 

                                     A-7 
<PAGE> 
     (q) The prospectus of the Acquired Fund, dated May 15, 1995 (the 
   "Acquired Fund Prospectus"), previously furnished to the Acquiring Fund, 
   does not contain any untrue statements of a material fact or omit to state 
   a material fact required to be stated therein or necessary to make the 
   statements therein, in light of the circumstances in which they were made, 
   not misleading. 

   4.2  The Acquiring Fund represents, warrants and covenants to the Acquired 
Fund as follows: 

     (a) The Acquiring Fund is a business trust duly organized, validly 
   existing and in good standing under The laws of the Commonwealth of 
   Massachusetts and has the power to own all of its properties and assets 
   and to carry out the Agreement. The Acquiring Fund is not required to 
   qualify to do business in any jurisdiction in which it is not so qualified 
   or where failure to qualify would not subject it to any material liability 
   or disability. The Acquiring Fund has all necessary federal, state and 
   local authorizations to own all of its properties and assets and to carry 
   on its business as now being conducted; 

     (b) The Acquiring Fund is a registered investment company classified as 
   a management company and its registration with the Commission as an 
   investment company under the 1940 Act is in full force and effect. The 
   Acquiring Fund is a diversified investment company under the 1940 Act; 

     (c) The prospectus (the "Acquiring Fund Prospectus") and statement of 
   additional information for Class A and Class B shares of the Acquiring 
   Fund, each dated May 1, 1995, and any amendments or supplements thereto on 
   or prior to the Closing Date, and the Registration Statement on Form N-14 
   to be filed in connection with this Agreement (the "Registration 
   Statement") (other than written information furnished by the Acquired Fund 
   for inclusion therein, as covered by the Acquired Fund's warranty in 
   Paragraph 4.1(m) hereof) will conform in all material respects to the 
   applicable requirements of the 1933 Act and the 1940 Act and the rules and 
   regulations of the Commission thereunder, the Acquiring Fund Prospectus 
   does not include any untrue statement of a material fact or omit to state 
   any material fact required to be stated therein or necessary to make the 
   statements therein, in light of the circumstances under which they were 
   made, not misleading and the Registration Statement will not include any 
   untrue statement of material fact or omit to state any material fact 
   required to be stated therein or necessary to make the statements therein, 
   in light of the circumstances under which they were made, not misleading; 

     (d) At the Closing Date, the Acquiring Fund will have good and 
   marketable title to the assets of the Acquiring Fund; 

     (e) The Acquiring Fund is not, and the execution, delivery and 
   performance its obligations under this Agreement will not result, in 
   violation of any 

                                     A-8 
<PAGE> 
   provisions of the Acquiring Fund's Declaration of Trust, as amended and 
   restated, or By-laws or of any agreement, indenture, instrument, contract, 
   lease or other undertaking to which the Acquiring Fund is a party or by 
   which the Acquiring Fund is bound; 

     (f) Except as otherwise disclosed in writing and accepted by the 
   Acquired Fund, no material litigation or administrative proceeding or 
   investigation of or before any court or governmental body is currently 
   pending or threatened against the Acquiring Fund or any of the Acquiring 
   Fund's properties or assets. The Acquiring Fund knows of no facts which 
   might form the basis for the institution of such proceedings, and the 
   Acquiring Fund is not a party to or subject to the provisions of any 
   order, decree or judgment of any court or governmental body which 
   materially and adversely affects the Acquiring Fund's business or its 
   ability to consummate the transactions herein contemplated; 

     (g) The statement of assets and liabilities of the Acquiring Fund, as of 
   June 30, 1995, and the related statement of operations for the period then 
   ended and the schedule of investments (unaudited) (copies of which have 
   been furnished to the Acquired Fund), present fairly in all material 
   respects the financial position of the Acquiring Fund as of June 30, 1995 
   and the results of its operations for the period then ended in accordance 
   with generally accepted accounting principles consistently applied and 
   there are no known actual or contingent liabilities of the Acquiring Fund 
   as of the respective dates thereof not disclosed herein; 

     (h) Since June 30, 1995, there has not been any material adverse change 
   in the Acquiring Fund's financial condition, assets, liabilities or 
   business other than changes occurring in the ordinary course of business, 
   or any incurrence by the Acquiring Fund of indebtedness maturing more than 
   one year from the date such indebtedness was incurred; 

     (i) The Acquiring Fund has elected to be treated as a regulated 
   investment company for federal income tax purposes, has qualified as such 
   for each taxable year of its operation and will qualify as such as of the 
   Closing Date; 

     (j) The authorized capital of the Acquiring Fund consists of an 
   unlimited number of shares of beneficial interest, no par value per share. 
   All issued and outstanding shares of beneficial interest of the Acquiring 
   Fund are, and at the Closing Date will be, duly and validly issued and 
   outstanding, fully paid and nonassessable by the Acquiring Fund. The 
   Acquiring Fund does not have outstanding any options, warrants or other 
   rights to subscribe for or purchase any of its shares of beneficial 
   interest, nor is there outstanding any security convertible into any of 
   its shares of beneficial interest; 

     (k) The execution, delivery and performance of this Agreement have been 
   duly authorized by all necessary action on the part of the Acquiring 

                                     A-9 
<PAGE> 
   Fund, and this Agreement constitutes a valid and binding obligation of the 
   Acquiring Fund enforceable in accordance with its terms; 

     (l) The Acquiring Fund Shares to be issued and delivered to the Acquired 
   Fund pursuant to the terms of this Agreement, when so issued and 
   delivered, will be duly and validly issued shares of beneficial interest 
   of the Acquiring Fund and will be fully paid and nonassessable by the 
   Acquiring Fund; 

     (m) The information to be furnished by the Acquiring Fund for use in 
   applications for orders, registration statements, proxy materials and 
   other documents which may be necessary in connection with the transactions 
   contemplated hereby shall be accurate and complete and shall comply in all 
   material respects with federal securities and other laws and regulations 
   applicable thereto; and 

     (n) No consent, approval, authorization or order of any court or 
   governmental authority is required for the consummation by the Acquiring 
   Fund of the transactions contemplated by the Agreement, except for the 
   registration of the Acquiring Fund Shares under the 1933 Act, the 1940 Act 
   and under state securities laws. 

5. COVENANTS OF THE ACQUIRING FUND AND THE ACQUIRED FUND 

   5.1 Except as expressly contemplated herein to the contrary, the Acquiring 
Fund and the Trust on behalf of the Acquired Fund will operate their 
respective businesses in the ordinary course between the date hereof and the 
Closing Date, it being understood that such ordinary course of business will 
include customary dividends and distributions and any other distributions 
necessary or desirable to avoid federal income or excise taxes. 

   5.2 The Trust will call a meeting of the Acquired Fund shareholders to 
consider and act upon this Agreement and to take all other action necessary 
to obtain approval of the transactions contemplated herein. 

   5.3 The Acquired Fund covenants that the Acquiring Fund Shares to be 
issued hereunder are not being acquired by the Acquired Fund for the purpose 
of making any distribution thereof other than in accordance with the terms of 
this Agreement. 

   5.4 The Trust on behalf of the Acquired Fund will provide such information 
within its possession or reasonably obtainable as the Acquiring Fund requests 
concerning the beneficial ownership of the Acquired Fund's shares of 
beneficial interest. 

   5.5 Subject to the provisions of this Agreement, the Acquiring Fund and 
the Acquired Fund each shall take, or cause to be taken, all action, and do 
or cause 

                                     A-10 
<PAGE> 
to be done, all things reasonably necessary, proper or advisable to 
consummate the transactions contemplated by this Agreement. 

   5.6 The Trust on behalf of the Acquired Fund shall furnish to the 
Acquiring Fund on the Closing Date the Statement of Assets and Liabilities of 
the Acquired Fund as of the Closing Date, which statement shall be prepared 
in accordance with generally accepted accounting principles consistently 
applied and shall be certified by the Trust's Treasurer or Assistant 
Treasurer. As promptly as practicable but in any case within 60 days after 
the Closing Date, the Acquired Fund shall furnish to the Acquiring Fund, in 
such form as is reasonably satisfactory to the Acquiring Fund, a statement of 
the earnings and profits of the Acquired Fund for federal income tax purposes 
and of any capital loss carryovers and other items that will be carried over 
to the Acquiring Fund as a result of Section 381 of the Code, and which 
statement will be certified by the President of the Acquired Fund. 

   5.7 The Acquiring Fund will prepare and file with the Commission the 
Registration Statement in compliance with the 1933 Act and the 1940 Act in 
connection with the issuance of the Acquiring Fund Shares as contemplated 
herein. 

   5.8 The Trust on behalf of the Acquired Fund will prepare a Proxy 
Statement, to be included in the Registration Statement in compliance with 
the 1933 Act, the Securities Exchange Act of 1934, as amended (the "1934 
Act"), and the 1940 Act and the rules and regulations thereunder 
(collectively, the "Acts") in connection with the special meeting of 
shareholders of the Acquired Fund to consider approval of this Agreement. 

6. CONDITIONS PRECEDENT TO OBLIGATIONS OF THE 
   TRUST ON BEHALF OF THE ACQUIRED FUND 

   The obligations of the Trust on behalf of the Acquired Fund to complete 
the transactions provided for herein shall be, at its election, subject to 
the performance by the Acquiring Fund of all the obligations to be performed 
by it hereunder on or before the Closing Date, and, in addition thereto, the 
following further conditions: 

   6.1 All representations and warranties of the Acquiring Fund contained in 
this Agreement shall be true and correct in all material respects as of the 
date hereof and, except as they may be affected by the transactions 
contemplated by this Agreement, as of the Closing Date with the same force 
and effect as if made on and as of the Closing Date; and 

   6.2 The Acquiring Fund shall have delivered to the Acquired Fund a 
certificate executed in its name by the Acquiring Fund's President or Vice 
President and its Treasurer or Assistant Treasurer, in form and substance 
satisfactory to the Acquired Fund and dated as of the Closing Date, to the 
effect that the representations and warranties of the Acquiring Fund made in 
this Agreement are true and correct at and as of the Closing Date, except as 
they may be affected by the trans- 

                                     A-11 
<PAGE> 
actions contemplated by this Agreement, and as to such other matters as the 
Trust on behalf of the Acquired Fund shall reasonably request. 

7. CONDITIONS PRECEDENT TO OBLIGATIONS OF THE 
   ACQUIRING FUND 

   The obligations of the Acquiring Fund to complete the transactions 
provided for herein shall be, at its election, subject to the performance by 
the Trust on behalf of the Acquired Fund of all the obligations to be 
performed by it hereunder on or before the Closing Date and, in addition 
thereto, the following further conditions: 

   7.1 All representations and warranties of the Trust on behalf of the 
Acquired Fund contained in this Agreement shall be true and correct in all 
material respects as of the date hereof and, except as they may be affected 
by the transactions contemplated by this Agreement, as of the Closing Date 
with the same force and effect as if made on and as of the Closing Date; 

   7.2 The Trust on behalf of the Acquired Fund shall have delivered to the 
Acquiring Fund the Statement of Assets and Liabilities of the Acquired Fund, 
together with a list of its portfolio securities showing the federal income 
tax bases and holding periods of such securities, as of the Closing Date, 
certified by the Treasurer or Assistant Treasurer of the Trust; 

   7.3 The Trust on behalf of the Acquired Fund shall have delivered to the 
Acquiring Fund on the Closing Date a certificate executed in the name of the 
Acquired Fund by a President or Vice President and a Treasurer or Assistant 
Treas-urer of the Trust, in form and substance satisfactory to the Acquiring 
Fund and dated as of the Closing Date, to the effect that the representations 
and warranties of the Trust on behalf of the Acquired Fund in this Agreement 
are true and correct at and as of the Closing Date, except as they may be 
affected by the transactions contemplated by this Agreement, and as to such 
other matters as the Acquiring Fund shall reasonably request; and 

   7.4 At or prior to the Closing Date, the Acquired Fund's investment 
adviser, or an affiliate thereof, shall have made all payments, or applied 
all credits, to the Acquired Fund required by any applicable contractual or 
state-imposed expense limitation. 

8. FURTHER CONDITIONS PRECEDENT TO OBLIGATIONS OF THE 
   TRUST, THE ACQUIRING FUND AND THE ACQUIRED FUND 

   The obligations hereunder of the Trust, the Acquiring Fund and the 
Acquired Fund are each subject to the further conditions that on or before 
the Closing Date: 

   8.1 The Agreement and the transactions contemplated herein shall have been 
approved by the requisite vote of the holders of the outstanding shares of 
beneficial 

                                     A-12 
<PAGE> 
interest of the Acquired Fund in accordance with the provisions of the 
Trust's Declaration of Trust, as amended and restated, and By-Laws, and 
certified copies of the resolutions evidencing such approval by the Acquired 
Fund's shareholders shall have been delivered by the Acquired Fund to the 
Acquiring Fund; 

   8.2 On the Closing Date, no action, suit or other proceeding shall be 
pending before any court or governmental agency in which it is sought to 
restrain or prohibit, or obtain changes or other relief in connection with, 
this Agreement or the transactions contemplated herein; 

   8.3 All consents of other parties and all other consents, orders and 
permits of federal, state and local regulatory authorities (including those 
of the Commission and of state Blue Sky and securities authorities, including 
"no-action" positions of such federal or state authorities) deemed necessary 
by the Trust or the Acquiring Fund to permit consummation, in all material 
respects, of the transactions contemplated hereby shall have been obtained, 
except where failure to obtain any such consent, order or permit would not 
involve a risk of a material adverse effect on the assets or properties of 
the Acquiring Fund or the Acquired Fund, provided that either party hereto 
may waive any such conditions for itself; 

   8.4 The Registration Statement shall have become effective under the 1933 
Act and the 1940 Act and no stop orders suspending the effectiveness thereof 
shall have been issued and, to the best knowledge of the parties hereto, no 
investigation or proceeding for that purpose shall have been instituted or be 
pending, threatened or contemplated under the 1933 Act or the 1940 Act; 

   8.5 The Acquired Fund shall have distributed to its shareholders all of 
its investment company taxable income (as defined in Section 852(b)(2) of the 
Code) for its taxable year ending on the Closing Date and all of its net 
capital gain (as such term is used in Section 852(b)(3)(C) of the Code), 
after reduction by any available capital loss carryforward, for its taxable 
year ending on the Closing Date; and 

   8.6 The parties shall have received an opinion of Messrs. Hale and Dorr, 
satisfactory to the Acquiring Fund and the Trust on behalf of the Acquired 
Fund, substantially to the effect that for federal income tax purposes: 

     (a) The acquisition by the Acquiring Fund of all of the assets of the 
   Acquired Fund solely in exchange for the issuance of Acquiring Fund Shares 
   to the Acquired Fund and the assumption of all of the Acquired Fund 
   Liabilities by the Acquiring Fund, followed by the distribution by the 
   Acquired Fund, in liquidation of the Acquired Fund, of Acquiring Fund 
   Shares to the shareholders of the Acquired Fund in exchange for their 
   shares of beneficial interest of the Acquired Fund and the termination of 
   the Acquired Fund, will constitute a "reorganization" within the meaning 
   of Section 368(a) of the Code, and the Acquired Fund and the Acquiring 
   Fund will each be "a party to a reorganization" within the meaning of 
   Section 368(b) of the Code; 


                                     A-13 
<PAGE> 
     (b) No gain or loss will be recognized by the Acquired Fund upon (i) the 
   transfer of all of its assets to the Acquiring Fund solely in exchange for 
   the issuance of Acquiring Fund Shares to the Acquired Fund and the 
   assumption of all of the Acquired Fund Liabilities by the Acquiring Fund 
   and (ii) the distribution by the Acquired Fund of such Acquiring Fund 
   Shares to the shareholders of the Acquired Fund; 

     (c) No gain or loss will be recognized by the Acquiring Fund upon the 
   receipt of the assets of the Acquired Fund solely in exchange for the 
   issuance of the Acquiring Fund Shares to the Acquired Fund and the 
   assumption of all of the Acquired Fund Liabilities by the Acquiring Fund; 

     (d) The basis of the assets of the Acquired Fund acquired by the 
   Acquiring Fund will be, in each instance, the same as the basis of those 
   assets in the hands of the Acquired Fund immediately prior to the 
   transfer; 

     (e) The tax holding period of the assets of the Acquired Fund in the 
   hands of the Acquiring Fund will, in each instance, include the Acquired 
   Fund's tax holding period for those assets; 

     (f) The shareholders of the Acquired Fund will not recognize gain or 
   loss upon the exchange of all of their shares of beneficial interest of 
   the Acquired Fund solely for Acquiring Fund Shares as part of the 
   transaction; 

     (g) The basis of the Acquiring Fund Shares received by the Acquired Fund 
   shareholders in the transaction will be the same as the basis of the 
   shares of beneficial interest of the Acquired Fund surrendered in exchange 
   therefor; and 

     (h) The tax holding period of the Acquiring Fund Shares received by the 
   Acquired Fund shareholders will include, for each shareholder, the tax 
   holding period for his shares of beneficial interest of the Acquired Fund 
   surrendered in exchange therefor, provided that such Acquired Fund shares 
   were held as capital assets on the date of the exchange. 

   The Acquiring Fund and the Trust on behalf of the Acquired Fund agree to 
make and provide representations which are reasonably necessary to enable 
Hale and Dorr to deliver an opinion substantially as set forth in this 
Paragraph 8.6. Notwithstanding anything herein to the contrary, neither the 
Trust nor the Acquiring Fund may waive the conditions set forth in this 
Paragraph 8.6. 

9. BROKERAGE FEES AND EXPENSES 

   9.1 The Acquiring Fund and the Trust on behalf of the Acquired Fund 
represent and warrant to the other that there are no brokers or finders 
entitled to receive any payments in connection with the transactions provided 
for herein. 

   9.2 The Acquiring Fund and the Acquired Fund shall each be liable solely 
for its own expenses incurred in connection with entering into and carrying 
out the provisions of this Agreement whether or not the transactions 
contemplated hereby are consummated. 

                                     A-14 
<PAGE> 
10. ENTIRE AGREEMENT; SURVIVAL OF WARRANTIES 

   10.1 The Acquiring Fund and the Trust on behalf of the Acquired Fund agree 
that neither party has made any representation, warranty or covenant not set 
forth herein or referred to in Paragraph 4 hereof and that this Agreement 
constitutes the entire agreement between the parties. 

   10.2 The representations, warranties and covenants contained in this 
Agreement or in any document delivered pursuant hereto or in connection 
herewith shall survive the consummation of the transactions contemplated 
hereunder. 

11. TERMINATION 

   11.1 This Agreement may be terminated by the mutual agreement of the Trust 
and the Acquiring Fund. In addition, either party may at its option terminate 
this Agreement at or prior to the Closing Date: 

     (a) because of a material breach by the other of any representation, 
   warranty, covenant or agreement contained herein to be performed at or 
   prior to the Closing Date; 

     (b) because of a condition herein expressed to be precedent to the 
   obligations of the terminating party which has not been met and which 
   reasonably appears will not or cannot be met; 

     (c) by resolution of the Trust's Board of Trustees if circumstances 
   should develop that, in the good faith opinion of such Board, make 
   proceeding with the Agreement not in the best interest of the Acquired 
   Fund's shareholders; or 

     (d) by resolution of the Acquiring Fund's Board of Trustees if 
   circumstances should develop that, in the good faith opinion of such 
   Board, make proceeding with the Agreement not in the best interest of the 
   Acquiring Fund's shareholders. 

   11.2 In the event of any such termination, there shall be no liability for 
damages on the part of the Trust, the Acquiring Fund or the Acquired Fund, or 
the Trustees or officers of the Trust or the Acquiring Fund, but each party 
shall bear the expenses incurred by it incidental to the preparation and 
carrying out of this Agreement. 

12. AMENDMENTS 

   This Agreement may be amended, modified or supplemented in such manner as 
may be mutually agreed upon in writing by the authorized officers of the 
Trust and the Acquiring Fund. However, following the meeting of shareholders 
of the Acquired Fund held pursuant to Paragraph 5.2 of this Agreement, no 
such amendment may have the effect of changing the provisions regarding the 
method for determining the number of Acquiring Fund Shares to be received by 
the Acquired 

                                     A-15 
<PAGE> 
Fund shareholders under this Agreement to the detriment of such shareholders 
without their further approval; provided that nothing contained in this 
Article 12 shall be construed to prohibit the parties from amending this 
Agreement to change the Closing Date. 

13. NOTICES 

   Any notice, report, statement or demand required or permitted by any 
provisions of this Agreement shall be in writing and shall be given by 
prepaid telegraph, telecopy or certified mail addressed to the Acquiring Fund 
or to the Trust, each at 101 Huntington Avenue, Boston, Massachusetts 02199, 
Attention: 

   President, and, in either case, with copies to Hale and Dorr, 60 State 
Street, Boston, Massachusetts 02109, Attention: Pamela J. Wilson, Esq. 

14. HEADINGS; COUNTERPARTS; GOVERNING LAW; 
    ASSIGNMENT 

   14.1 The article and paragraph headings contained in this Agreement are 
for reference purposes only and shall not affect in any way the meaning or 
interpretation of this Agreement. 

   14.2 This Agreement may be executed in any number of counterparts, each of 
which shall be deemed an original. 

   14.3 This Agreement shall be governed by and construed in accordance with 
the laws of The Commonwealth of Massachusetts. 

   14.4 This Agreement shall bind and inure to the benefit of the parties 
hereto and their respective successors and assigns, but no assignment or 
transfer hereof or of any rights or obligations hereunder shall be made by 
any party without the prior written consent of the other party. Nothing 
herein expressed or implied is intended or shall be construed to confer upon 
or give any person, firm or corporation, other than the parties hereto and 
their respective successors and assigns, any rights or remedies under or by 
reason of this Agreement. 

   14.5 All persons dealing with the Trust or the Acquiring Fund must look 
solely to the property of the Trust or the Acquiring Fund, respectively, for 
the enforcement of any claims against the Trust or the Acquiring Fund as 
neither the Trustees, officers, agents or shareholders of the Trust or the 
Acquiring Fund assume any personal liability for obligations entered into on 
behalf of the Trust or the Acquiring Fund, respectively. None of the other 
series of the Trust shall be responsible for any obligations assumed by or on 
behalf of the Acquired Fund under this Agreement. 

                                     A-16 
<PAGE> 
   IN WITNESS WHEREOF, each of the parties hereto has caused this Agreement 
to be executed by its President or Vice President and has caused its 
corporate seal to be affixed hereto. 

                               JOHN HANCOCK SOVEREIGN 
                               BOND FUND 

                               By: /s/ Anne C. Hodsdon 
                                   Anne C. Hodsdon 
                                   President 

                               JOHN HANCOCK BOND FUND, 
                               on behalf of 
                               JOHN HANCOCK INVESTMENT 
                               QUALITY BOND FUND 

                               By: /s/ Thomas H. Drohan 
                                   Thomas H. Drohan 
                                   Senior Vice President 
                                   and Secretary 


                                     A-17 
<PAGE> 
                                                                     EXHIBIT B 

John Hancock 
Sovereign 
Bond Fund 

Class A and Class B Shares 
Prospectus 
May 1, 1995 

TABLE OF CONTENTS 
<TABLE>
<CAPTION>
                                                Page 
                                               ------- 
<S>                                            <C>
Expense Information                              B-2 
The Fund's Financial Highlights                  B-4 
Investment Objective and Policies                B-6 
Organization and Management of the Fund         B-10 
Alternative Purchase Arrangements               B-12 
The Fund's Expenses                             B-13 
Dividends and Taxes                             B-14 
Performance                                     B-15 
How to Buy Shares                               B-16 
Share Price                                     B-18 
How to Redeem Shares                            B-24 
Additional Services and Programs                B-26 
Institutional Investors                         B-30 
Appendix                                        B-31 
</TABLE>

   This Prospectus sets forth information about John Hancock Sovereign 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, 1995, and incorporated by 
reference in 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 agency. 

   THE FUND MAY INVEST UP TO 25% OF ITS ASSETS IN LOWER RATED BONDS, COMMONLY 
KNOWN AS "JUNK BONDS," THAT ENTAIL GREATER RISKS, INCLUDING DEFAULT RISKS, 
THAN THOSE FOUND IN HIGHER RATED SECURITIES. INVESTORS SHOULD CAREFULLY 
CONSIDER THESE RISKS BEFORE INVESTING. SEE "INVESTMENT OBJECTIVE AND 
POLICIES, P. B-6." 

   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. 

                                     B-1 
<PAGE> 
EXPENSE INFORMATION 

   The purpose of the following information is to help you understand the 
various fees and expenses that 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 fees and expenses of the Fund's Class 
A and Class B shares for the fiscal year ended December 31, 1994, adjusted to 
reflect current fees and expenses. Actual fees and expenses in the future 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 
  purchases (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                            0.50%                0.50% 
12b-1 fee**                               0.30%                1.00% 
Other expenses                            0.38%                0.25% 
Total Fund operating expenses             1.18%                1.75% 
</TABLE>

 *No sales charge is payable at the time of purchase on investments of $1 
  million or more, but a contingent deferred sales charge may be imposed on 
  these investments, as described under the caption "Share Price," in the 
  event of certain redemption transactions within one year of purchase. 
**The amount of the 12b-1 fee used to cover service expenses will be up to 
  0.25% of the Fund's average daily net assets, and the remaining portion 
  will be used to cover distribution expenses. See "The Fund's Expenses." 
 +Redemption by wire fee (currently $4.00) not included. 
<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                                    $57           $83           $111           $189 
  Class B Shares 
   -- Assuming complete redemption at end of 
      period                                        $67           $85           $115           $191 
   -- Assuming no redemption                        $17           $55           $ 95           $191 
</TABLE>

(This example should not be considered a representation of past or future 
expenses. Actual expenses may be greater or less 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 Rules of Fair Practice. 

                                     B-2 
<PAGE> 
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 "Distribution Contract." 

                                     B-3 
<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 Fund's 1994 Annual Report and 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, that 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 
indicated is as follows: 

<TABLE>
<CAPTION>
                                                             YEAR ENDED DECEMBER 31, 
                                        ------------------------------------------------------------------- 
                                          1994          1993          1992          1991          1990 
                                        ----------    ----------    ----------   ----------   ------------ 
<S>                                       <C>            <C>          <C>            <C>            <C>
CLASS A 
Per Share Operating Performance 
Net Asset Value, Beginning of 
  Period                                  $15.53        $15.29        $15.31        $14.33         $14.77 
                                         --------      --------      --------      --------      ---------- 
Net Investment Income                       1.12          1.14          1.20          1.29           1.32 
Net Realized & Unrealized Gain 
  (Loss) on Investments and 
  Financial Futures Contracts              (1.55)         0.62         (0.01)         0.98          (0.40) 
                                         --------      --------      --------      --------      ---------- 
  Total from Investment Operations         (0.43)         1.76          1.19          2.27           0.92 
                                         --------      --------      --------      --------      ---------- 
Less Distributions: 
Dividends from Net Investment 
  Income                                   (1.12)        (1.14)        (1.21)        (1.29)         (1.35) 
Distributions to Shareholders from 
  Capital Paid-In                          --            --            --            --             (0.01) 
Distributions from Net Realized 
  Gain on Investments Sold and 
  Financial Futures Contracts              (0.08)        (0.38)        --            --             -- 
                                         --------      --------      --------      --------      ---------- 
  Total Distributions                      (1.20)        (1.52)        (1.21)        (1.29)         (1.36) 
                                         --------      --------      --------      --------      ---------- 
Net Asset Value, End of Period            $13.90        $15.53        $15.29        $15.31         $14.33 
                                         ========      ========      ========      ========      ========== 
Total Investment Return at Net 
  Asset Value                              (2.75%)       11.80%         8.08%        16.59%          6.71% 
Ratios and Supplemental Data 
Net Assets, End of period 
  (000,000's omitted)                     $1,326        $1,506        $1,386        $1,250         $1,103 
Ratio of Expenses to Average Net 
  Assets                                    1.26%         1.41%         1.44%         1.27%          1.31% 
Ratio of Net Investment Income to 
  Average Net Assets                        7.74%         7.18%         7.89%         8.81%          9.18% 
Portfolio Turnover Rate                       85%          107%           87%           90%            92% 
</TABLE>

<TABLE>
<CAPTION>
                                                             YEAR ENDED DECEMBER 31, 
                                        ------------------------------------------------------------------- 
                                          1989          1988          1987          1986          1985 
                                        --------      --------      --------      --------      ---------- 
<S>                                       <C>            <C>          <C>           <C>            <C>
CLASS A 
Per Share Operating Performance 
Net Asset Value, Beginning of 
  Period                                  $14.51        $14.53        $15.89        $15.85         $14.36 
                                         --------      --------      --------      --------      ---------- 
Net Investment Income                       1.43          1.44          1.40          1.55           1.62 
Net Realized & Unrealized Gain 
  (Loss) on Investments and 
  Financial Futures Contracts               0.27         (0.06)        (1.17)         0.52           1.40 
                                         --------      --------      --------      --------      ---------- 
  Total from Investment Operations          1.70          1.38          0.23          2.07           3.02 
                                         --------      --------      --------      --------      ---------- 
Less Distributions: 
Dividends from Net Investment 
  Income                                   (1.44)        (1.40)        (1.53)        (1.53)         (1.53) 
Distributions to Shareholders from 
  Capital Paid-In                          --            --            --            --             -- 
Distributions from Net Realized 
  Gain on Investments Sold and 
  Financial Futures Contracts              --            --            (0.06)        (0.50)         -- 
                                         --------      --------      --------      --------      ---------- 
  Total Distributions                      (1.44)        (1.40)        (1.59)        (2.03)         (1.53) 
                                         --------      --------      --------      --------      ---------- 
Net Asset Value, End of Period            $14.77        $14.51        $14.53        $15.89         $15.85 
                                         ========      ========      ========      ========      ========== 
Total Investment Return at Net 
  Asset Value                              12.13%         9.82%         1.58%        13.67%         22.35% 
Ratios and Supplemental Data 
Net Assets, End of period 
  (000,000's omitted)                     $1,110        $1,104        $1,095        $1,152         $1,016 
Ratio of Expenses to Average Net 
  Assets                                    0.80%         0.82%         0.82%         0.72%          0.79% 
Ratio of Net Investment Income to 
  Average Net Assets                        9.68%         9.77%         9.32%         9.65%         10.95% 
Portfolio Turnover Rate                       64%           66%          159%          163%           100% 
</TABLE>

                                     B-4 
<PAGE> 
THE FUND'S FINANCIAL HIGHLIGHTS (continued) 

<TABLE>
<CAPTION>
                                                                     1994        1993 
                                                                     ------   ---------- 
<S>                                                                <C>            <C>
CLASS B(a) 
Per Share Operating Performance 
Net Asset Value, Beginning of Period                                $15.52        $15.90(b) 
                                                                      ----      -------- 
Net Investment Income                                                 1.04          0.11 
Net Realized & Unrealized Loss on Investments and Financial 
  Futures Contracts                                                  (1.54)           -- 
                                                                      ----      -------- 
  Total from Investment Operations                                   (0.50)         0.11 
                                                                      ----      -------- 
Less Distributions: 
Dividends from Net Investment Income                                 (1.04)        (0.11) 
Distributions from Net Realized Gain on Investments Sold and 
  Financial Futures Contracts                                        (0.08)        (0.38) 
                                                                      ----      -------- 
  Total Distributions                                                (1.12)        (0.49) 
                                                                      ----      -------- 
Net Asset Value, End of Period                                      $13.90        $15.52 
                                                                      ====      ======== 
Total Investment Return at Net Asset Value                           (3.13%)        0.90% 
Ratios and Supplemental Data 
Net Assets, End of period (000's omitted)                          $40,299        $4,125 
Ratio of Expenses to Average Net Assets                               1.78%         1.63%* 
Ratio of Net Investment Income to Average Net Assets                  7.30%         0.57%* 
Portfolio Turnover Rate                                                 85%          107% 
</TABLE>

<TABLE>
<CAPTION>
                                                                     1994        1993 
                                                                     ------   ---------- 
<S>                                                                 <C>           <C>
CLASS C(c) 
Per Share Operating Performance 
Net Asset Value, Beginning of Period                                $15.52        $15.86(b) 
                                                                      ----      -------- 
Net Investment Income                                                 1.19          0.81 
Net Realized & Unrealized Gain (Loss) on Investments and 
  Financial Futures Contracts                                        (1.54)         0.04 
                                                                      ----      -------- 
  Total from Investment Operations                                   (0.35)         0.85 
                                                                      ----      -------- 
Less Distributions: 
Dividends from Net Investment Income                                 (1.19)        (0.81) 
Distributions from Net Realized Gain on Investments Sold and 
  Financial Futures Contracts                                        (0.08)        (0.38) 
                                                                      ----      -------- 
  Total Distributions                                                (1.27)        (1.19) 
                                                                      ---- 
Net Asset Value, End of Period                                      $13.90        $15.52 
                                                                      ====      ======== 
Total Investment Return at Net Asset Value                           (2.19%)        5.45% 
Ratios and Supplemental Data 
Net Assets, End of period (000's omitted)                           $1,670          $867 
                                                                      ----      -------- 
Ratio of Expenses to Average Net Assets                               0.73%         0.90%* 
Ratio of Net Investment Income to Average Net Assets                  8.28%         4.90%* 
Portfolio Turnover Rate                                                 85%          107% 
</TABLE>

  * On an annualized basis. 
(a) Class B shares commenced operations on November 23, 1993. 
(b) Initial price to commence operations. 
(c) Class C shares commenced operations on May 7, 1993. 
(d) Class C shares were no longer offered for sale after March 31, 1995. 

                                     B-5 
<PAGE> 
INVESTMENT OBJECTIVE AND POLICIES 

   The Fund's investment objective is to generate a high level of current 
income consistent with prudent investment risk. 

   The Fund's investment objective is to generate a high level of current 
income, consistent with prudent investment risk, through investment in a 
diversified portfolio of freely marketable debt securities. The Fund's 
Adviser seeks high current income consistent with the moderate level of risk 
associated with a portfolio consisting primarily of investment grade debt 
securities. 

   Under normal market conditions, at least 65% of the value of the Fund's 
assets will be in bonds and/or debentures. In addition, the Fund contemplates 
that at least 75% of the value of its total investments in debt securities 
(other than commercial paper) will be represented by those securities that 
have, at the time of purchase, a rating within the four highest grades as 
determined by Moody's Investors Service, Inc. ("Moody's") (Aaa, Aa, A or Baa) 
or Standard & Poor's Ratings Group ("S&P") (AAA, AA, A, or BBB) and debt 
securities of banks, the U.S. Government and its agencies or 
instrumentalities and other issuers which, although not rated as a matter of 
policy by either Moody's or S&P, are considered by the Fund to have 
investment quality comparable to securities receiving ratings within the four 
highest grades. Debt securities rated Baa or BBB are considered medium-grade 
obligations with speculative characteristics and adverse economic conditions 
or changing circumstances may weaken their issuers' capacity to pay interest 
and repay principal. The Fund will diversify its investments among a number 
of industry groups without concentration in any particular industry. The 
Fund's investments, and consequently its net asset value, will be subject to 
the market fluctuations and risks inherent in all securities. There is no 
assurance that the Fund will achieve its investment objective. 

   Securities of domestic and foreign issuers. The Fund may invest in U.S. 
dollar-denominated securities of foreign and United States issuers that are 
issued in or outside of the U.S. Foreign companies may not be subject to 
accounting standards and government supervision comparable to U.S. companies, 
and there is often less publicly available information about their 
operations. Foreign markets generally provide less liquidity than U.S. 
markets (and thus potentially greater price volatility) and typically provide 
fewer regulatory protections for investors. Foreign securities can also be 
affected by political or financial instability abroad. It is anticipated that 
under normal conditions, the Fund will not invest more than 25% of its total 
assets in foreign securities (excluding U.S. dollar-denominated Canadian 
securities). 

   Mortgage-Backed and Derivative Securities. Mortgage-backed securities 
represent participation interests in pools of adjustable and fixed mortgage 
loans which are guaranteed by agencies or instrumentalities of the U.S. 
Government. Unlike conventional debt obligations, mortgage-backed securities 
provide monthly payments derived from the monthly interest and principal 
payments (including any prepayments) made by the individual borrowers on the 
pooled mortgage loans. The mort- 

                                     B-6 
<PAGE> 

gage loans underlying mortgage-backed securities are generally subject to a 
greater rate of principal prepayments in a declining interest rate 
environment and to a lesser rate of principal prepayments in an increasing 
interest rate environment. Under certain interest and prepayment rate 
scenarios, the Fund may fail to recover the full amount of its investment in 
mortgage-backed securities notwithstanding any direct or indirect 
governmental or agency guarantee. Since faster than expected prepayments must 
usually be invested in lower yielding securities, mortgage-backed securities 
are less effective than conventional bonds in "locking in" a specified 
interest rate. In a rising interest rate environment, a declining prepayment 
rate may extend the average life of many mortgage-backed securities. 
Extending the average life of a mortgage-backed security increases the risk 
of depreciation due to future increases in market interest rates. 

   The Fund's investments in mortgage-backed securities may include 
conventional mortgage passthrough securities and certain classes of multiple 
class collateralized mortgage obligations ("CMOs"). In order to reduce the 
risk of prepayment for investors, CMOs are issued in multiple classes, each 
having different maturities, interest rates, payment schedules and 
allocations of principal and interest on the underlying mortgages. Senior CMO 
classes will typically have priority over residual CMO classes as to the 
receipt of principal and/or interest payments on the underlying mortgages. 
The CMO classes in which the Fund may invest include but are not limited to 
sequential and parallel pay CMOs, including planned amortization class 
("PAC") and target amortization class ("TAC") securities. 

   Risks of Mortgage-Backed Securities. Different types of mortgage-backed 
securities are subject to different combinations of prepayment, extension, 
interest rate and/or other market risks. Conventional mortgage passthrough 
securities and sequential pay CMOs are subject to all of these risks, but are 
typically not leveraged. PACs, TACs and other senior classes of sequential 
and parallel pay CMOs involve less exposure to prepayment, extension and 
interest rate risk than other mortgage-backed securities, provided that 
prepayment rates remain within expected prepayment ranges or "collars." 

   The Fund may invest in structured debt obligations indexed to various 
financial assets or rates. 

   Structured Securities. The Fund may invest in structured notes, bonds or 
debentures, the value of the principal of and/or interest on which is to be 
determined by reference to changes in the value of specific currencies, 
interest rates, commodities, indices or other financial indicators (the 
"Reference") or the relative change in two or more References. The interest 
rate or the principal amount payable upon maturity or redemption may be 
increased or decreased depending upon changes in the applicable Reference. 
The terms of the structured securities may provide that in certain 
circumstances no principal is due at maturity and, therefore, may result in 
the loss of the Fund's investment. Structured securities may be positively or 
negatively indexed, so that appreciation of the Reference may produce an 
increase or decrease in the interest rate or value of the security at 
maturity. In addition, the change in 

                                     B-7 
<PAGE> 

interest rate or the value of the security at maturity may be a multiple of 
the change in the value of the Reference. Consequently, structured securities 
entail a greater degree of market risk than other types of debt obligations. 
Structured securities may also be more volatile, less liquid and more 
difficult to accurately price than less complex fixed income investments. 

   Futures and Option Contracts. The Fund may engage in transactions in 
futures contracts and options on futures contracts for hedging and 
speculative purposes. The Fund's ability to hedge successfully will depend on 
the ability of John Hancock Advisers, Inc. (the "Adviser") to predict 
accurately the future direction of interest rate changes, the degree of 
correlation between the futures and securities markets and other market 
factors. There is no assurance that a liquid market for futures and options 
will always exist. In addition, the Fund could be prevented from opening, or 
realizing the benefits of closing out, a futures or options position because 
of position limits or limits on daily price fluctuations imposed by an 
exchange. 

   All of the Fund's futures contracts and options on futures contracts will 
be traded on a U.S. or foreign commodity exchange or board of trade. The Fund 
will not engage in a transaction in futures or options on futures for 
speculative purposes if, immediately thereafter, the sum of initial margin 
deposits and premiums required to establish speculative positions in futures 
contracts and options on futures exceeds 5% of the Fund's net assets. 

   Lower-Rated Securities. The Fund may invest up to 25% of the value of its 
total assets in fixed income securities rated below Baa by Moody's, or below 
BBB by S&P, or in securities which are unrated. The Fund may invest in 
securities rated as low as Ca by Moody's or CC by S&P, which may indicate 
that the obligations are highly speculative and in default. Lower rated 
securities are generally referred to as junk bonds. See the Appendix attached 
to this Prospectus and the Statement of Additional Information, respectively, 
for the distribution of securities in the various ratings categories and a 
description of the characteristics of the categories. The Fund is not 
obligated to dispose of securities whose issuers subsequently are in default 
or which are downgraded below the above-stated ratings. The Fund may invest 
in unrated securities which, in the opinion of the Adviser, offer comparable 
yields and risks to those securities which are rated. 

   Debt obligations rated in the lower ratings categories, or which are 
unrated, involve greater volatility of price and risk of loss of principal 
and income. In addition, lower ratings reflect a greater possibility of an 
adverse change in financial condition affecting the ability of the issuer to 
make payments of interest and principal. 

   The market price and liquidity of lower rated fixed income securities 
generally respond to short-term economic, corporate and market developments 
to a greater extent than do higher rated securities. In the case of 
lower-rated securities, these developments are perceived to have a more 
direct relationship to the ability of an issuer of lower rated securities to 
meet its ongoing debt obligations. 

                                     B-8 
<PAGE> 

   Reduced volume and liquidity in the high yield bond market, or the reduced 
availability of market quotations, will make it more difficult to dispose of 
the bonds and value accurately the Fund's assets. The reduced availability of 
reliable, objective data may increase the Fund's reliance on management's 
judgment in valuing the high yield bonds. To the extent that the Fund invests 
in these securities, the achievement of the Fund's objective will depend more 
on the Adviser's judgment and analysis than would otherwise be the case. In 
addition, the Fund's investments in high yield securities may be susceptible 
to adverse publicity and investor perceptions, whether or not the perceptions 
are justified by fundamental factors. In the past, economic downturns and 
increases in interest rates have caused a higher incidence of default by the 
issuers of lower-rated securities and may do so in the future, particularly 
with respect to highly leveraged issuers. The market prices of zero coupon 
and payment-in-kind bonds are affected to a greater extent by interest rate 
changes, and thereby tend to be more volatile than securities that pay 
interest periodically and in cash. Increasing rate note securities are 
typically refinanced by the issuers within a short period of time. The Fund 
accrues income on these securities for tax and accounting purposes, which is 
required to be distributed to shareholders. Because no cash is received while 
income accrues on these securities, the Fund may be forced to liquidate other 
investments to make the distributions. 

   The Fund may acquire individual securities of any maturity and is not 
subject to any limits as to the average maturity of its overall portfolio. 
The longer the Fund's average portfolio maturity, the more the value of the 
portfolio and the net asset value of the Fund's shares will fluctuate in 
response to changes in interest rates. An increase in interest rates will 
generally reduce the value of the Fund's portfolio securities and the Fund's 
shares, while a decline in interest rates will generally increase their 
value. 

   Restricted Securities. The Fund may purchase restricted securities, 
including those eligible for resale to "qualified institutional buyers" 
pursuant to Rule 144A under the Securities Act of 1933 (the "Securities 
Act"). The Trustees will monitor the Fund's investments in these securities, 
focusing on certain factors, including valuation, liquidity and availability 
of information. Purchases of other restricted securities are subject to an 
investment restriction limiting all the Fund's illiquid securities to not 
more than 15% of its net assets. 

   Lending of Securities. The Fund may lend portfolio securities to brokers, 
dealers, and financial institutions if the loan is collateralized by cash or 
U.S. Government securities according to applicable regulatory requirements. 
The Fund may reinvest any cash collateral in short-term securities. When the 
Fund lends portfolio securities, there is a risk that the borrower may fail 
to return the securities. As a result, the Fund may incur a loss or, in the 
event of the borrower's bankruptcy, may be delayed in or prevented from 
liquidating the collateral. It is a fundamental policy of the Fund not to 
lend portfolio securities having a total value exceeding 33-1/3% of its total 
assets. 

                                     B-9 
<PAGE> 

   Repurchase Agreements, Forward Commitments and When-Issued Securities. The 
Fund may enter into repurchase agreements and may purchase securities on a 
forward or when-issued basis. In a repurchase agreement, the Fund buys a 
security subject to the right and obligation to sell it back at a higher 
price. These transactions must be fully collateralized at all times, but 
involve some credit risk to the Fund if the other party defaults on its 
obligation and the Fund is delayed in or prevented from liquidating the 
collateral. The Fund will segregate in a separate account cash or liquid, 
high grade debt securities equal in value to its forward commitments and 
when-issued securities. Purchasing securities for future delivery or on a 
when-issued basis may increase the Fund's overall investment exposure and 
involves a risk of loss if the value of the securities declines before the 
settlement date. 

   Short-term Trading. Short-term trading means the purchase and subsequent 
sale of a security after it has been held for a relatively brief period of 
time. The Fund engages in short-term trading in response to changes in 
interest rates or other economic trends and developments, or to realize 
capital gain or improve income by taking advantage of yield disparities 
between various fixed-income securities. 

   The Fund follows certain policies, which may help to reduce investment 
risk. 

   Investment Restrictions. The Fund has adopted certain fundamental 
investment restrictions that are detailed in the Statement of Additional 
Information, where they are classified as fundamental or nonfundamental. The 
Fund's investment objective and those investment restrictions designated as 
fundamental may not be changed without shareholder approval. All other 
investment policies and restrictions, however, are nonfundamental and can be 
changed by a vote of the Trustees without shareholder approval. The Fund's 
portfolio turnover rates for recent years are shown in the section "The 
Fund's Financial Highlights." 

   Brokers are chosen based on best price and execution. 

   When choosing brokerage firms to carry out the Fund's transactions, the 
Adviser gives primary consideration to execution at the most favorable price, 
taking into account the broker's professional ability and quality of service. 
Consideration may also be given to the broker's sale of Fund shares. Pursuant 
to procedures established by the Trustees, the Adviser may place securities 
transactions with brokers affiliated with the Adviser. These brokers include 
Tucker Anthony Incorporated, John Hancock Distributors, Inc. and Sutro & 
Company, Inc. which are indirectly owned by John Hancock Mutual Life 
Insurance Company, which in turn indirectly owns the Adviser. 

ORGANIZATION AND MANAGEMENT OF THE FUND 

   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 a diversified open-end management investment company organized 
as a Maryland corporation in 1973 and reorganized as a Massachusetts business 

                                     B-10 
<PAGE> 

trust in 1984. The Fund has an unlimited number of authorized shares of 
beneficial interest. The Fund's Declaration of Trust permits the Trustees, 
without shareholder approval, to create and classify shares of beneficial 
interest into separate series of the Fund. As of the date of this Prospectus, 
the Trustees have not authorized the creation of any new series of the Fund. 
Additional series may be added in the future. The Trust's Declaration of 
Trust also permits the Trustees to classify and reclassify any series or 
portfolio of shares into one or more classes. Accordingly, the Trustees have 
authorized the issuance of three classes of the Fund, designated Class A, 
Class B and Class C. The shares of each class represent an interest in the 
same portfolio of investments of the Fund and have equal rights as to voting, 
redemption, dividends and liquidation. However, each class bears different 
distribution and transfer agent fees, and Class A and Class B shareholders 
have exclusive voting rights with respect to their distribution plans. 

   Shareholders have certain rights to remove Trustees. The Fund is not 
required and does not intend to hold annual shareholder meetings, although 
special meetings may be held for such purposes as electing or removing 
Trustees, changing fundamental investment restrictions or approving a 
management contract. The Fund, under certain circumstances, will assist in 
shareholder communications with other shareholders. 

   John Hancock Advisers, Inc. advises investment companies having a total 
asset value of more than $13 billion. 

   The Adviser was organized in 1968 and is a wholly-owned indirect 
subsidiary of the John Hancock Mutual Life Insurance Company, a financial 
services company. It provides the Fund, and other investment companies in the 
John Hancock group of funds, with investment research and portfolio 
management services. John Hancock Funds, Inc. ("John Hancock Funds") 
distributes shares for all of the John Hancock funds through selected 
broker-dealers ("Selling Brokers"). Certain Fund officers are also officers 
of the Adviser and John Hancock Funds. Pursuant to an order granted by the 
Securities and Exchange Commission, the Fund has adopted a deferred 
compensation plan for its independent Trustees which allows Trustees' fees to 
be invested by the Fund in other John Hancock funds. 

   James Ho is a Senior Vice President and the portfolio manager of the Fund. 
Mr. Ho is assisted in the day-to-day management of the Fund's investment 
portfolio by a co-manager and a team of credit analysts. Mr. Ho also directs 
all taxable fixed-income investment management for the Adviser and has been 
associated with the Adviser since 1985. 

   In order to avoid any conflict 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: pre-clearance 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. 

                                     B-11 
<PAGE> 
ALTERNATIVE PURCHASE ARRANGEMENTS 

   An alternative purchase plan allows you to choose the method of purchase 
that is best for you. 

   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 (see 
"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. 

   Investments in Class A shares are subject to an initial sales charge. 

   Class A Shares. If you elect to purchase Class A shares, you will incur an 
initial sales charge unless the amount of your 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 
0.30% 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 B shares are subject to a contingent deferred 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 that of 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. 

   Class B shares are not available to full-service defined contribution 
plans administered by Investor Services or John Hancock Mutual Life Insurance 
Company that had more than 100 eligible employees at the inception of the 
Fund account. 

Factors to Consider in Choosing an Alternative 

   You should consider which class of shares would be more beneficial for 
you. 

   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 

                                     B-12 
<PAGE> 

the anticipated life of your Fund investment, the CDSC and the 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 page 2 of this Prospectus gives examples of the 
charges applicable to each class of shares. Class A shares will normally be 
more beneficial if you qualify for a reduced sales charge. See "Share 
Price--Qualifying for a Reduced Sales Charge". 

   Class A shares are subject to lower distribution and service fees and, 
accordingly, pay correspondingly higher dividends per share, to the extent 
any dividends are paid. 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 your funds invested initially. However 
you will be subject to higher distribution fees and, for a six-year period, a 
CDSC. 

   In the case of Class A shares, distribution expenses that John Hancock 
Funds incurs in connection with the sale of shares will be paid from the 
proceeds of the initial sales charge and the ongoing distribution and service 
fees. In the case of Class B shares, 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. Sales personnel distributing the 
Fund's shares may receive different compensation for selling each class of 
shares. 

   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 in each class bearing only its 
own distribution and service fees, shareholder meeting expenses and 
incremental transfer agency costs. 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 1994 fiscal year, was 0.50% of the Fund's average 
daily net asset value. 

   The Fund pays distribution and service fees for marketing and 
sales-related shareholder servicing. 

                                     B-13 
<PAGE> 

   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. 
Under these Plans, the Fund will pay distribution and service fees at an 
aggregate annual rate of 0.30% 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. In each case, up to 0.25% is for service expenses and the 
remaining amount is for distribution expenses. The distribution fees are 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; and (iii) with respect to 
Class B shares only, interest expenses on unreimbursed distribution expenses. 
The service fees will be used to compensate Selling Brokers 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. These 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, 1994 an 
aggregate of $1,752,030 of distribution expenses, or 7.14% of the average net 
assets of the Class B shares of the Fund, was not reimbursed or recovered by 
the John Hancock Funds through the receipt of deferred sales charges or 12b-1 
fees in prior periods. 

   Information on the Fund's total expenses is in the Fund's Financial 
Highlights section of this Prospectus. 

DIVIDENDS AND TAXES 

   Dividends. Dividends from the Fund's net investment income are generally 
declared daily and distributed monthly. Capital gains, if any, are generally 
distributed annually. Dividends are reinvested in additional shares of your 
class unless you elect the option to receive them in 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 dividend on these shares will be 
lower than on the Class A shares. See "Share Price." 

   Taxation. Dividends from the Fund's net investment income and 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 paid in January of a given year, but 
they may be taxable as if you received them the previous December. The Fund 
will send you a statement by January 31 showing the tax status of the 
dividends you received for the prior year. 

   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 and net 
realized capital 

                                     B-14 
<PAGE> 

gains that are distributed to its shareholders at least annually. 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 taxpayer identification number is correct and that you are not subject 
to backup withholding of Federal income tax. If you do not provide this 
information, or are otherwise subject to backup withholding, the Fund may be 
required to withhold 31% of your dividends and the proceeds of redemptions 
and exchanges. 

   In addition to Federal taxes, you may be subject to state, local or 
foreign taxes with respect to your investment in and distributions from the 
Fund. In some states, a portion of the Fund's dividends that represents 
interest received by the Fund on direct U.S. government obligations may be 
exempt from tax. Non-U.S. shareholders and tax-exempt shareholders are 
subject to different tax treatment not described above. You should consult 
your tax adviser for specific advice. 

PERFORMANCE 

   The Fund may advertise its yield and total return. 

   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 
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 Fund shares or the income reported in the Fund's financial 
statements. 

The Fund's total return shows the overall 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 of the Fund shares 
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. Yield and total return for the Class B shares 
reflect 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. Yield and total return of Class A and Class B shares will be 
calculated separately and, because each class is subject to different 
expenses, the yield or total return with respect to that class for the same 
period may differ. 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 

                                     B-15 
<PAGE> 

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 the Fund's performance data. The value of the Fund's 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." 

HOW TO BUY SHARES 

   Opening an account 

The minimum initial investment in Class A and Class B shares 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 you 
are investing in Class A shares. 

By Check 

1. Make your check payable to John Hancock Investor Services Corporation. 
   ("Investor Services"). 

2. Deliver the completed application and check to your registered 
   representative or 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 Sovereign 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 or 
   Selling Broker, or mail it directly to Investor Services. 

   Buying additional Class A and Class B shares 

Monthly Automatic 
Accumulation 
Program (MAAP) 

1. Complete the "Automatic Investing" and "Bank Information" sections on the 
   Account Privileges Application, designating a bank account from which 
   funds may be drawn. 

2. The amount you elect to invest will be automatically withdrawn from your 
   bank or credit union account. 

                                     B-16 
<PAGE> 
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 and Class B shares by calling Investor Services 
   toll-free at 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. 

By Check 

1. Either fill out 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 Sovereign 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 John Hancock Funds 
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. 

                                     B-17 
<PAGE> 
   You will receive account statements, which you should keep to help with 
your personal recordkeeping. 

   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. 

SHARE PRICE 

   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. 

   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 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 approximates market value. Foreign securities are 
valued on the basis of quotations from the primary market in which they are 
traded. If quotations are not readily available, or the value has been 
materially affected by events occurring after the closing of a foreign 
market, 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 (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 your investment before the close of regular 
trading on the New York Stock 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         Sales       Reallowance 
                           Charge        Charge      and Service     Reallowance 
                            as a          as a         Fee as a      to Selling 
                        Percentage     Percentage     Percentage    Brokers as a 
   Amount invested           of          of the           of        Percentage of 
   (Including Sales       Offering       Amount        Offering       Offering 
       Charge)             Price        Invested       Price(+)       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        2.75%         2.83%          2.30%          2.06% 
$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>

                                     B-18 
<PAGE> 

  (*) 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. In addition to the reallowance allowed to all Selling Brokers, 
      John Hancock Funds will pay the following: round trip airfare to a 
      resort will be given to each registered representative of a Selling 
      Broker (if the Selling Broker has agreed to participate) who sells 
      certain amounts of shares of John Hancock funds. John Hancock Funds 
      will make these incentive payments out of its own resources. Other than 
      distribution fees, the Fund does not bear distribution expenses. 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 of Class A shares of 
      $1 million or more, but a contingent deferred sales charge may be 
      imposed in the event of certain redemption transactions within one year 
      of purchase. 

(***) John Hancock Funds may pay a commission and 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 $10 million and over. 

  (+) 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. 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 the 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 in 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 (the contingent deferred sales charge period), a contingent 
deferred sales charge ("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 John Hancock Mutual Life Insurance 
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. 

                                     B-19 
<PAGE> 

However, if the shares are redeemed within 12 months after the end of the 
calendar year in which the purchase was made, a contingent deferred sales 
charge will be imposed at the above rate. 

   The charge will be assessed on an amount equal to the lesser of the 
current market value or the original purchase cost of the redeemed Class A 
shares. Accordingly, no CDSC will be imposed on increases in account value 
above the initial purchase price, including any dividends 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 redemption in certain circumstances. See the discussion under 
"Waiver of Contingent Deferred Sales Charges." 

   You may qualify for a reduced sales charge on your investments 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 funds in the 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 COMBINATION PRIVILEGE to 
take advantage of the value of your previous investments in Class A shares of 
John Hancock funds when 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 rate is the rate that would otherwise be applicable to investments of 
less than $100,000. See "Initial Sales Charge Alternative--Class A Shares." 

   Class A shares may be available without a sales charge to certain 
individuals and organizations. 

                                     B-20 
<PAGE> 

   If you are in one of the following categories, you may purchase Class A 
shares of the Fund without paying a sales charge: 

   (bullet) A Trustee or officer of the Trust; 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. 

   (bullet) 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.* 

   (bullet) A bank, trust company, credit union, savings institution or other 
type of depository institution, its trust departments or common trust funds 
if it is purchasing $1 million or more for non-discretionary customers or 
accounts.* 

   (bullet) A broker, dealer 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 made available to 
their clients. 

   (bullet) A former participant in an employee benefit plan with John 
Hancock funds, when he/she withdraws from his/her plan and transfers any or 
all of his/her plan distributions directly to the Fund. 

* 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 also 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 a sales charge, so 
that your entire initial 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. This 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 reinvestments. 

   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 beyond the six-year CDSC redemption period or those you acquired 
through dividend reinvestment, 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. 

                                     B-21 
<PAGE> 
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>
<CAPTION>
<S>      <C>                                                                              <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 all or part of them to defray its expenses related to providing the Fund 
with distribution services connected to the sale of Class B shares, such as 
compensating selected 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 deducting a sales charge 
at the time of the purchase. 

   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 purposes of determining this 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>
                                      Contingent Deferred Sales 
Year In Which Class B Shares          Charge As a Percentage of 
Redeemed Following 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. 

   Under certain circumstances, the CDSC on Class B and certain Class A share 
redemptions will be waived. 

   Waiver of Contingent Deferred Sales Charge. The CDSC will be waived on 
redemptions of Class B shares and Class A shares that are subject to the CDSC 
unless indicated otherwise, in the following circumstances: 

   (bullet) Redemptions of Class B shares made under a Systematic Withdrawal 
Plan (see "How to Redeem Shares"), as long as your annual redemptions do not 
exceed 10% 

                                     B-22 
<PAGE> 

of your account value at the time you established 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. 

   (bullet) 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 your life expectancy or the joint-and-last 
survivor life expectancy of you and your beneficiary. These distributions 
must be free from penalty under the Code. 

   (bullet) Redemptions made to effect mandatory distributions under the Code 
after age 70-1/2 from a tax-deferred retirement plan. 

   (bullet) 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. 

   (bullet) Redemptions due to death or disability. 

   (bullet) Redemptions made under the Reinvestment Privilege, as described 
in "Additional Services and Programs" of this Prospectus. 

   (bullet) Redemptions made pursuant to the Fund's right to liquidate your 
account if you own fewer than 50 shares. 

   (bullet) Redemptions made in connection with certain liquidation, merger 
or acquisition transactions involving other investment companies or personal 
holding companies. 

   (bullet) 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 at the end of 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 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, nor should it change your tax basis or tax holding period for the 
converted shares. 

                                     B-23 
<PAGE> 
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 seven days or longer, as permitted by Federal securities laws. 

   To assure acceptance of your redemption request, please follow these 
procedures. 

By Telephone 

All Fund shareholders are automatically eligible 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 New York Stock 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 30 days. A check will be mailed to the 
exact name(s) 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 
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 
in accordance with 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 
using EASI-Line. EASI-Line's telephone number which 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 collectable after two business days. Your bank may or may 
not charge 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 that is included with this Prospectus. 

                                     B-24 
<PAGE> 
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>
<CAPTION>
       Type of Registration                                    Requirements 
- ----------------------------------    --------------------------------------------------------------- 
<S>                                   <C>
Individual, Joint Tenants, Sole 
  Proprietorship, Custodial            A letter of instruction signed (with titles where applicable) 
  (Uniform Gifts or Transfer to        by all persons authorized to sign for the account, exactly as 
  Minors Act), General Partners.       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.) 
</TABLE>

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 instruction. 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 smaller accounts, the 
Fund reserves the right to redeem at net asset value all shares in an account 
which holds fewer than 50 shares (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. 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. 

                                     B-25 
<PAGE> 
ADDITIONAL SERVICES AND PROGRAMS 

Exchange Privilege 

   You may exchange shares of the Fund only for shares of the same class of 
another John Hancock fund. 

   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 fund that interests 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 that are not subject to a CDSC are based on the 
respective net asset values. No sales charge or transaction charge is 
imposed. Class B shares of the Fund which are subject to a CDSC may be 
exchanged for 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 for exchanges into John Hancock Short-Term Strategic 
Income Fund, John Hancock Adjustable U.S. Government Trust and John Hancock 
Limited-Term 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 
that was in effect at your initial purchase date. 

   You may exchange Class B shares of the fund into shares of a John Hancock 
money market fund at net asset value. However, you will continue to be 
subject to a CDSC upon redemption. 

   The Fund reserves the right to require that you 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 in another for Federal income tax purposes. An 
exchange may result in a taxable gain or loss. 

   When you make an exchange, your account registration must be identical in 
both the existing and new account. 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 

                                     B-26 
<PAGE> 

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 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 you 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 have the telephone 
      exchange privilege. 

   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. 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 the 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 

                                     B-27 
<PAGE> 
Reinvestment Privilege 

   If you redeem shares of the Fund, you may be able to reinvest all or part 
of the proceeds in shares of the Fund or another John Hancock fund without 
paying an additional sales charge. 

   1. You will not be subject to a sales charge on Class A shares that you 
      reinvest in any John Hancock fund that is 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. For purposes of computing the CDSC payable upon a 
      subsequent redemption, the holding period of the shares acquired 
      through reinvestment will include the holding period of the redeemed 
      shares. 

   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, account number and class from which your shares were 
      originally redeemed. 

Systematic Withdrawal Plan 

   You can pay routine bills from your account, or make periodic 
disbursements from your retirement account to comply with IRS regulations. 

   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 the 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. 

   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 an initial sales charge 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. 

                                     B-28 
<PAGE> 

   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) 

   You can make automatic investments and simplify your investing. 

   1. You can authorize an investment to be drawn automatically each month 
      from your bank for investment in Fund shares, under the "Automatic 
      Investing" and "Bank Information" sections of the Account Privileges 
      Application. 

   2. You can also authorize automatic investing through payroll deduction by 
      completing the "Direct Deposit Investing" section of the Account 
      Privileges 
      Application. 

   3. You can terminate your Monthly Automatic Accumulation Program 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 being withdrawn from a bank account and we are 
      notified that the account has been closed, your withdrawals will be 
      discontinued. 

Group Investment Program 

   Organized groups of at least four persons may establish accounts. 

   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. 

   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. 

Retirement Plans 

   1. You may use the Fund to fund various types of retirement plans, 
      including Individual Retirement Accounts, Keogh Plans (H.R. 10), 
      Pension and Profit Sharing Plans (including 401(k) Plans), 
      Tax-Sheltered Annuity Retirement Plans (403(b) or TSA Plans), and 457 
      Plans. 

   2. The initial investment minimum or aggregate minimum for any of the 
      above plans is $250. However, accounts being established as group IRA, 
      SEP, SARSEP, TSA, 401(k) and 457 Plans will be accepted without an 
      initial minimum investment. 

                                     B-29 
<PAGE> 

INSTITUTIONAL INVESTORS 

   Class C shares of the Fund are available only to the following types of 
institutional investors: (i) Benefit plans not affiliated with the Adviser 
which have at least $25,000,000 in plan assets, and either have a separate 
trustee vested with investment discretion and certain limitations on the 
ability of the plan beneficiaries to access their plan investments without 
incurring adverse tax consequences or allow their participants to select 
among one or more investment options, including the Fund 
("participant-directed plans"); (ii) Banks and insurance companies which are 
not affiliated with the Adviser purchasing shares for their own account; 
(iii) Investment companies not affiliated with the Adviser; (iv) Tax-exempt 
retirement plans of the Adviser and its affiliates, including affiliated 
brokers; (v) Unit investment trusts sponsored by John Hancock Funds and 
certain other sponsors; and (vi) Existing full-service clients of John 
Hancock Mutual Life Insurance Company who were group annuity contract holders 
as of September 1, 1994. Participant-directed plans include, but are not 
limited to, 401(k), TSA and 457 plans. 

   Class C shares are available to eligible institutional investors at net 
asset value without the imposition of a sales charge and are not subject to 
ongoing distribution fees imposed under a plan adopted pursuant to Rule 12b-1 
under the Investment Company Act of 1940. The minimum initial investment in 
Class C shares is $1,000,000, but this requirement may be waived at the 
discretion of the Company's officers. Some individuals who are currently 
eligible to purchase Class A or Class B shares may also be participants in 
plans that are eligible to purchase Class C shares of the Fund. 

   John Hancock Funds may pay a one-time payment of up to 0.15% of the amount 
invested in Class C shares to a selling broker for its sales of Class C 
shares. A person entitled to receive compensation for selling shares of the 
Fund may receive different compensation with respect to sales of Class A, 
Class B or Class C shares or any additional future class of shares. 

   Class C shares are also available to existing full-service clients of John 
Hancock Mutual Life Insurance Company who were group annuity contract holders 
as of September 1, 1994. John Hancock Funds, out of its own resources, may 
pay to a Selling Broker an annual service fee of up to 0.20% of the amount 
invested in Class C shares by these clients. 

   The Reinvestment Privilege, Systematic Withdrawal Plan, Monthly Automatic 
Accumulation Program, Group Investment Program and Retirement Plans are not 
available for Class C shares. 

   If you are considering a purchase of Class C shares of the Fund, please 
call John Hancock Investor Services Corporation at 1-800-437-9312 to obtain 
information about eligibility, instructions for purchase by check or wire and 
an Institutional Account Application. 

                                     B-30 
<PAGE> 
APPENDIX 

   Moody's describes its lower ratings for corporate bonds as follows. 

   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 are 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 the 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. 

   Bonds which are rated Caa are of poor standing. Such issues may be in 
default or there may be present elements of danger with respect to principal 
or interest. 

   Bonds which are rated Ca represent obligations which are speculative in a 
high degree. Such issues are often in default or have other marked 
shortcomings. 

   Bonds which are rated C are the lowest rated class of bonds and issues so 
rated can be regarded as having extremely poor prospects of ever attaining 
any real investment standing. 

   S&P describes its lower ratings for corporate bonds as follows: 

   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. 

   Debt rated BB, B, CCC, or C is regarded, on balance, as predominantly 
speculative with respect to the issuer's capacity to pay interest and repay 
principal in accordance with the terms of the obligations. BB indicates the 
lowest degree of speculation and CC the highest 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. 

                                     B-31 
<PAGE> 
Quality Distribution 

   The average weighted quality distribution of the portfolio for the fiscal 
year ended December 31, 1994: 

<TABLE>
<CAPTION>
                                                      Rating 
                                                     Assigned                   Rating 
                           Average        % of          by         % of        Assigned        % of 
Security Ratings            Value      Portfolio     Adviser    Portfolio     by Service    Portfolio 
- --------------------     ------------    --------    ---------    --------    -----------   ---------- 
<S>                   <C>                  <C>          <C>         <C>   <C>                  <C>
AAA                   $  506,896,240       36.2%        0           0.0%  $  506,896,240       36.2% 
AA                       149,154,024       10.6%        0           0.0%     149,154,024       10.6% 
A                        240,396,674       17.2%        0           0.0%     240,396,674       17.2% 
BAA                      200,808,990       14.3%        0           0.0%     200,808,990       14.3% 
BA                       165,446,356       11.8%        0           0.0%     165,446,356       11.8% 
B                        114,182,848        8.2%        0           0.0%     114,182,848        8.2% 
CAA                        6,292,420        0.4%        0           0.0%       6,292,420        0.4% 
CA                                 0        0.0%        0           0.0%               0        0.0% 
C                                  0        0.0%        0           0.0%               0        0.0% 
D                                  0        0.0%        0           0.0%               0        0.0% 
                          ----------      ------      -------      ------      ---------      -------- 
Debt Securities        1,383,177,552       98.7%        0           0.0%  $1,383,177,552       98.7% 
Equity Securities                  0        0.0% 
Short-Term 
  Securities              18,727,923        1.3% 
                          ----------      ------ 
Total Portfolio        1,401,905,475      100.0% 
Other Assets--Net         25,728,800 
                          ---------- 
Net Assets            $1,427,634,275 
                          ========== 
</TABLE>

                                     B-32 
<PAGE> 
JOHN HANCOCK SOVEREIGN 
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 
     Telephone Exchange         call 1-800-225-5291 
     Investment-by-Phone 
     Telephone Redemption 
     TDD                        call 1-800-554-6713 

JHD-2100P 5/95 [reverse recycle logo] Printed on recycled paper 

JOHN HANCOCK 
SOVEREIGN 
BOND FUND 

Class A and B Shares 
Prospectus 
May 1, 1995 

A mutual fund seeking to generate a high level of current income consistent 
with prudent investment risk through investment in a diversified portfolio of 
freely marketable debt securities. 

101 Huntington Avenue 
Boston, Massachusetts 02199-7603 
Telephone 1-800-225-5291 


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