HANCOCK JOHN SERIES TRUST
497, 1999-08-19
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                                  JOHN HANCOCK

                                  500 Index
                                  Fund

                                  [LOGO] Prospectus
                                         August 18, 1999

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As with all mutual funds, the Securities and Exchange Commission has not
approved or disapproved this fund or determined whether the information in this
prospectus is adequate and accurate. Anyone who indicates otherwise is
committing a federal crime.

[LOGO] JOHN HANCOCK FUNDS
       A Global Investment Management Firm

       101 Huntington Avenue, Boston, Massachusetts 02199-7603
<PAGE>

Contents

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A summary of the fund's      500 Index Fund                                    4
goals, strategies, risks,
performance and expenses.


Policies and instructions    Your account
for opening, maintaining
and closing an account.      Choosing a share class                            6

                             How sales charges are calculated                  6

                             Sales charge reductions and waivers               7

                             Opening an account                                8

                             Buying shares                                     9

                             Selling shares                                   10

                             Transaction policies                             12

                             Dividends and account policies                   12

                             Additional investor services                     13


Further information on the   Fund details
fund.
                             Business structure                               14


                             For more information                     back cover



                                                                               3
<PAGE>

500 Index Fund

GOAL AND STRATEGY

[Clip Art] The fund seeks to provide investment results that correspond to the
total return performance of the Standard & Poor's 500 Stock Price Index. To
pursue this goal, the fund normally invests at least 80% of its assets in common
stocks of S&P 500(R) companies, in approximately the same proportions as they
are represented in the index.

This fund is passively managed, meaning that the manager does not use any broad
economic or fundamental financial analysis to select investments. The manager
monitors the portfolio daily and rebalances periodically to maintain the
proportions of the index. The fund also invests in futures contracts and options
based on S&P 500 stocks.

Under normal circumstances, the fund is fully invested -- directly or through
futures and options contracts -- in all 500 stocks represented in the index. It
may, however, invest in fewer stocks or in stocks of non-S&P 500 companies. The
fund normally maintains less than 1% of assets in cash or cash equivalents.

================================================================================

PORTFOLIO MANAGER


Roger C. Hamilton
- -------------------------
Vice president of adviser
Joined team in 1999
Joined adviser in 1994
Began career in 1980


PAST PERFORMANCE

[Clip Art] This section normally shows how the fund's total return has varied
from year to year, along with a broad-based market index for reference. Because
the fund is less than a year old, there is not a full year of performance to
report.


4
<PAGE>

MAIN RISKS


[Clip Art] The value of your investment will fluctuate with the index. The fund
does not attempt to temper volatility or avoid losses associated with a decline
in the index. The large-capitalization stocks that make up the index could fall
out of favor with the market, causing the fund to underperform funds that focus
on small- or medium-capitalization stocks.


Certain investment practices may cause the fund to track the index less closely:

o  Transaction expenses can reduce fund performance.

o  Certain derivatives could produce disproportionate gains or losses.

o  The performance of S&P futures could correlate less strongly with the index
   than investments in the underlying securities.

o  The relative proportions of stocks in the fund's portfolio could drift over
   time, which could increase tracking error.


Other factors may affect performance, such as the liquidity of S&P 500 stocks
and the timing of the fund's cash flows.


Investments in the fund are not bank deposits and are not insured or guaranteed
by the Federal Deposit Insurance Corporation or any other governmental agency.
You could lose money by investing in this fund.

Note: Standard & Poor's and S&P 500(R) are trademarks of The McGraw-Hill
Companies, Inc. and have been licensed for use by the adviser. A description of
this license is provided in the statement of additional information.

================================================================================

YOUR EXPENSES


[Clip Art] Transaction expenses are charged directly to your account. Operating
expenses are paid from the fund's assets, and therefore are paid by shareholders
indirectly. The figures below show estimated annualized expenses. Actual
expenses may be greater or less.


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Shareholder transaction expenses                   Class A   Class B   Class C
- --------------------------------------------------------------------------------
Maximum sales charge (load) on purchases
as a % of purchase price                           3.00%     none      none
Maximum deferred sales charge (load)
(as a % of purchase or sales price,
whichever is less)                                 none(1)   3.00%     1.00%

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Annual operating expenses                          Class A   Class B   Class C
- --------------------------------------------------------------------------------
Management fee                                     0.35%     0.35%     0.35%
Distribution and service (12b-1) fees              0.25%     1.00%     1.00%
Other expenses (estimated)                         0.32%     0.32%     0.32%
Total fund operating expenses                      0.92%     1.67%     1.67%
Expense reimbursement (at least until 8/17/00)     0.37%     0.37%     0.37%
Net annual operating expenses                      0.55%     1.30%     1.30%

The hypothetical example below shows what your expenses would be after the
expense reimbursement (first year only) if you invested $10,000 over the time
frames indicated, assuming you reinvested all distributions and that the
average annual return was 5%. The example is for comparison only, and does not
represent the fund's actual expenses and returns, either past or future.


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Expenses                                                     Year 1    Year 3
- --------------------------------------------------------------------------------
Class A                                                      $355      $549
Class B - with redemption                                    $432      $690
        - without redemption                                 $132      $490
Class C - with redemption                                    $232      $490
        - without redemption                                 $132      $490


(1) Except for investments of $1 million or more; see "How sales charges are
calculated."

FUND CODES


Class A
- ---------------------------
Ticker            --
CUSIP             478032840
Newspaper         --
SEC number        811-3392
JH fund number    11

Class B
- ---------------------------
Ticker            --
CUSIP             478032857
Newspaper         --
SEC number        811-3392
JHfund number     111

Class C
- ---------------------------
Ticker            --
CUSIP             478032865
Newspaper         --
SEC number        811-3392
JHfund number     511


                                                                               5
<PAGE>

Your account

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CHOOSING A SHARE CLASS


Each share class has its own cost structure, including a Rule 12b-1 plan that
allows it to pay fees for the sale, distribution and service of its shares. Your
financial representative can help you decide which share class is best for you.


- --------------------------------------------------------------------------------
Class A
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o  Front-end sales charges, as described at right.

o  Distribution and service (12b-1) fees of 0.25%.

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Class B
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o  No front-end sales charge; all your money goes to work for you right away.

o  Distribution and service (12b-1) fees of 1.00%.

o  A deferred sales charge, as described on the following page.

o  Automatic conversion to Class A shares after five years, thus reducing future
   annual expenses.

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Class C
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o  No front-end sales charge; all your money goes to work for you right away.

o  Distribution and service (12b-1) fees of 1.00%.

o  A 1.00% contingent deferred sales charge on shares sold within one year of
   purchase.

o  No automatic conversion to Class A shares, so annual expenses continue at the
   Class C level throughout the life of your investment.

For actual past expenses of each share class, see the fund information earlier
in this prospectus.

Because 12b-1 fees are paid on an ongoing basis, Class B and Class C
shareholders could end up paying more expenses over the long term than if they
had paid a sales charge.

Investors purchasing $1 million or more of Class B or Class C shares may want to
consider the lower operating expenses of Class A shares.

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HOW SALES CHARGES ARE CALCULATED

Class A Sales charges are as follows:

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Class A sales charges
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                                            As a % of             As a % of your
Your investment                             offering price        investment
Up to $99,999                               3.00%                 3.09%
$100,000 - $499,999                         2.50%                 2.56%
$500,000 - $999,999                         2.00%                 2.04%
$1,000,000 and over                         See below

Investments of $1 million or more Class A shares are available with no front-end
sales charge. However, there is a contingent deferred sales charge (CDSC) on any
shares sold within one year of purchase, as follows:

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CDSC on $1 million+ investments
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Your investment                                                   CDSC on shares
                                                                  being sold
First $1M - $4,999,999                                            1.00%
Next $1 - $5M above that                                          0.50%
Next $1 or more above that                                        0.25%

For purposes of this CDSC, all purchases made during a calendar month are
counted as having been made on the first day of that month.

The CDSC is based on the lesser of the original purchase cost or the current
market value of the shares being sold, and is not charged on shares you acquired
by reinvesting your dividends. To keep your CDSC as low as possible, each time
you place a request to sell shares we will first sell any shares in your account
that are not subject to a CDSC.


6  YOUR ACCOUNT
<PAGE>

Class B and Class C Shares are offered at their net asset value per share,
without any initial sales charge. However, you may be charged a contingent
deferred sales charge (CDSC) on shares you sell within a certain time after you
bought them, as described in the table below. There is no CDSC on shares
acquired through reinvestment of dividends. The CDSC is based on the original
purchase cost or the current market value of the shares being sold, whichever is
less. The CDSCs are as follows:

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Class B deferred charges
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Years after purchase                                   CDSC on shares being sold
1st year                                               3.00%
2nd year                                               2.00%
3rd year                                               2.00%
4th year                                               1.00%
After 4th year                                         none

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Class C deferred charges
- --------------------------------------------------------------------------------
Years after purchase                                   CDSC
1st year                                               1.00%
After 1st year                                         none

For purposes of these CDSCs, all purchases made during a calendar month are
counted as having been made on the first day of that month.

CDSC calculations are based on the number of shares involved, not on the value
of your account. To keep your CDSC as low as possible, each time you place a
request to sell shares we will first sell any shares in your account that carry
no CDSC. If there are not enough of these to meet your request, we will sell
those shares that have the lowest CDSC.

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SALES CHARGE REDUCTIONS AND WAIVERS

Reducing your Class A sales charges There are several ways you can combine
multiple purchases of Class A shares of John Hancock funds to take advantage of
the breakpoints in the sales charge schedule. The first three ways can be
combined in any manner.

o  Accumulation Privilege -- lets you add the value of any Class A shares you
   already own to the amount of your next Class A investment for purposes of
   calculating the sales charge. Retirement plans investing $1 million in Class
   B shares may add that value to Class A purchases to calculate charges.

o  Letter of Intention -- lets you purchase Class A shares of a fund over a
   13-month period and receive the same sales charge as if all shares had been
   purchased at once.

o  Combination Privilege -- lets you combine Class A shares of multiple funds
   for purposes of calculating the sales charge.

To utilize: complete the appropriate section of your application, or contact
your financial representative or Signature Services or consult the SAI (see the
back cover of this prospectus).

Group Investment Program A group may be treated as a single purchaser under the
accumulation and combination privileges. Each investor has an individual
account, but the group's investments are lumped together for sales charge
purposes, making the investors potentially eligible for reduced sales charges.
There is no charge, no obligation to invest (although initial investments must
total at least $250) and individual investors may close their accounts at any
time.

To utilize: contact your financial representative or Signature Services to find
out how to qualify, or consult the SAI (see the back cover of the prospectus).

CDSC waivers As long as Signature Services is notified at the time you sell, the
CDSC for each share class will generally be waived in the following cases:

o  to make payments through certain systematic withdrawal plans

o  to make certain distributions from a retirement plan

o  because of shareholder death or disability



To utilize: if you think you may be eligible for a CDSC waiver, contact your
financial representative or Signature Services, or consult the SAI (see the back
cover of this prospectus).


                                                                 YOUR ACCOUNT  7
<PAGE>

Reinstatement privilege If you sell shares of a John Hancock fund, you may
reinvest some or all of the proceeds in the same share class of any John Hancock
fund within 120 days without a sales charge, as long as Signature Services is
notified before you reinvest. If you paid a CDSC when you sold your shares, you
will be credited with the amount of the CDSC. All accounts involved must have
the same registration.

To utilize: contact your financial representative or Signature Services.

Waivers for certain investors Class A shares may be offered without front-end
sales charges or CDSCs to various individuals and institutions, including:

o  selling brokers and their employees and sales representatives

o  financial representatives utilizing fund shares in fee-based investment
   products under signed agreement with John Hancock Funds

o  fund trustees and other individuals who are affiliated with these or other
   John Hancock funds

o  individuals transferring assets from an employee benefit plan into a John
   Hancock fund

o  certain insurance company contract holders (one-year CDSC usually applies)

o  participants in certain retirement plans with at least 100 eligible employees
   (one-year CDSC applies)

To utilize: if you think you may be eligible for a sales charge waiver, contact
Signature Services or consult the SAI (see the back cover of this prospectus).

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OPENING AN ACCOUNT

1  Read this prospectus carefully.

2  Determine if you are eligible.

3  Determine how much you want to invest. The minimum initial investments for
   the John Hancock funds are as follows:

   o  non-retirement account: $1,000

   o  retirement account: $250

   o  group investments: $250

   o  Monthly Automatic Accumulation Plan (MAAP): $25 to open; you must invest
      at least $25 a month

   o  fee-based clients of selling brokers who placed at least $2 billion in
      John Hancock funds: $250


4  Complete the appropriate parts of the account application, carefully
   following the instructions. You must submit additional documentation when
   opening trust, corporate or power of attorney accounts. You must notify your
   financial representative or Signature Services if this information changes.
   For more details, please contact your financial representative or call
   Signature Services at 1-800-225-5291.


5  Complete the appropriate parts of the account privileges application. By
   applying for privileges now, you can avoid the delay and inconvenience of
   having to file an additional application if you want to add privileges later.

6  Make your initial investment using the table on the next page. You and your
   financial representative can initiate any purchase, exchange or sale of
   shares.

8  YOUR ACCOUNT
<PAGE>

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Buying shares
- --------------------------------------------------------------------------------
           Opening an account                 Adding to an account

By check

[Clip Art] o  Make out a check for the        o  Make out a check for the
              investment amount, payable to      investment amount payable to
              "John Hancock Signature            "John Hancock Signature
              Services, Inc."                    Services, Inc."

           o  Deliver the check and your      o  Fill out the detachable
              completed application to your      investment slip from an
              financial representative, or       account statement. If no slip
              mail them to Signature             is available, include a note
              Services (address below).          specifying the fund name,
                                                 your share class, your
                                                 account number and the
                                                 name(s) in which the account
                                                 is registered.

                                              o  Deliver the check and your
                                                 investment slip or note to
                                                 your financial
                                                 representative, or mail them
                                                 to Signature Services
                                                 (address below).

By exchange

[Clip Art] o  Call your financial             o  Call your financial
              representative or Signature        representative or Signature
              Services to request an             Services to request an
              exchange.                          exchange.
By wire

[Clip Art] o  Deliver your completed          o  Instruct your bank to wire
              application to your financial      the amount of your investment
              representative, or mail it to      to:
              Signature Services.                  First Signature Bank & Trust
                                                   Account # 900000260
           o  Obtain your account number by        Routing # 211475000
              calling your financial
              representative or Signature     Specify the fund name, your
              Services.                       share class, your account number
                                              and the name(s) in which the
           o  Instruct your bank to wire      account is registered. Your bank
              the amount of your investment   may charge a fee to wire funds.
              to:
                First Signature Bank & Trust
                Account # 900000260
                Routing # 211475000

           Specify the fund name, your
           choice of share class, the new
           account number and the name(s)
           in which the account is
           registered. Your bank may charge
           a fee to wire funds.

By phone

[Clip Art] See "By wire" and "By exchange."   o  Verify that your bank or
                                                 credit union is a member of
                                                 the Automated Clearing House
                                                 (ACH) system.

                                              o  Complete the "Invest By
                                                 Phone" and "Bank Information"
                                                 sections on your account
                                                 application.

                                              o  Call Signature Services to
                                                 verify that these features
                                                 are in place on your account.

                                              o  Tell the Signature Services
                                                 representative the fund name,
                                                 your share class, your
                                                 account number, the name(s)
                                                 in which the account is
                                                 registered and the amount of
                                                 your investment.

- ----------------------------------------

Address:
John Hancock Signature Services, Inc.
1 John Hancock Way, Suite 1000
Boston, MA 02217-1000

Phone Number: 1-800-225-5291

Or contact your financial representative
for instructions and assistance.

- ----------------------------------------

                        To open or add to an account using the Monthly Automatic
                       Accumulation Program, see "Additional investor services."


                                                                 YOUR ACCOUNT  9
<PAGE>

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Selling shares
- --------------------------------------------------------------------------------
           Designed for                       To sell some or all of your shares

By letter

[Clip Art] o  Accounts of any type.           o  Write a letter of instruction
                                                 or complete a stock power
           o  Sales of any amount.               indicating the fund name,
                                                 your share class, your
                                                 account number, the name(s)
                                                 in which the account is
                                                 registered and the dollar
                                                 value or number of shares you
                                                 wish to sell.

                                              o  Include all signatures and
                                                 any additional documents that
                                                 may be required (see next
                                                 page).

                                              o  Mail the materials to
                                                 Signature Services.

                                              o  A check will be mailed to the
                                                 name(s) and address in which
                                                 the account is registered, or
                                                 otherwise according to your
                                                 letter of instruction.

By phone

[Clip Art] o  Most accounts.                  o  For automated service 24
                                                 hours a day using your
           o  Sales of up to $100,000.           touch-tone phone, call the
                                                 EASI-Line at 1-800-338-8080.

                                              o  To place your order with a
                                                 representative at John
                                                 Hancock Funds, call Signature
                                                 Services between 8 A.M. and 4
                                                 P.M. Eastern Time on most
                                                 business days.

By wire or electronic funds transfer (EFT)

[Clip Art] o  Requests by letter to sell      o  To verify that the telephone
              any amount (accounts of any        redemption privilege is in
              type).                             place on an account, or to
                                                 request the form to add it to
           o  Requests by phone to sell up       an existing account, call
              to $100,000 (accounts with         Signature Services.
              telephone redemption
              privileges).                    o  Amounts of $1,000 or more
                                                 will be wired on the next
                                                 business day. A $4 fee will
                                                 be deducted from your
                                                 account.

                                              o  Amounts of less than $1,000
                                                 may be sent by EFT or by
                                                 check. Funds from EFT
                                                 transactions are generally
                                                 available by the second
                                                 business day. Your bank may
                                                 charge a fee for this
                                                 service.

By exchange

[Clip Art] o  Accounts of any type.           o  Obtain a current prospectus
                                                 for the fund into which you
           o  Sales of any amount.               are exchanging by calling
                                                 your financial representative
                                                 or Signature Services.

                                              o  Call your financial
                                                 representative or Signature
                                                 Services to request an
                                                 exchange.

                                        ----------------------------------------

                                        Address:
                                        John Hancock Signature Services, Inc.
                                        1 John Hancock Way, Suite 1000
                                        Boston, MA 02217-1000

                                        Phone Number: 1-800-225-5291

                                        Or contact your financial representative
                                        for instructions and assistance.

                                        ----------------------------------------

To sell shares through a systematic withdrawal plan, see
"Additional investor services."


10  YOUR ACCOUNT
<PAGE>


Selling shares in writing In certain circumstances, you will need to make your
request to sell shares in writing. You may need to include additional items with
your request, unless they were previously provided to Signature Services and are
still accurate. These items are shown in the table below. You may also need to
include a signature guarantee, which protects you against fraudulent orders. You
will need a signature guarantee if:


o  your address of record has changed within the past 30 days

o  you are selling more than $100,000 worth of shares

o  you are requesting payment other than by a check mailed to the address of
   record and payable to the registered owner(s)

You will need to obtain your signature guarantee from a member of the Signature
Guarantee Medallion Program. Most brokers and securities dealers are members of
this program. A notary public CANNOT provide a signature guarantee.

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Seller                                   Requirements for written requests
- --------------------------------------------------------------------------------
                                                                      [Clip Art]

Owners of individual, joint, sole        o  Letter of instruction.
proprietorship, UGMA/UTMA (custodial
accounts for minors) or general          o  On the letter, the signatures and
partner accounts.                           titles of all persons authorized
                                            to sign for the account, exactly
                                            as the account is registered.

                                         o  Signature guarantee if applicable
                                            (see above).

Owners of corporate or association       o  Letter of instruction.
accounts.
                                         o  Corporate resolution, certified
                                            within the past 12 months, or a
                                            business/organization
                                            certification form.

                                         o  On the letter and the resolution,
                                            the signature of the person(s)
                                            authorized to sign for the
                                            account.

                                         o  Signature guarantee if applicable
                                            (see above).


Owners or trustees of trust accounts.    o  Letter of instruction.

                                         o  On the letter, the signature(s) of
                                            the trustee(s).

                                         o  Copy of the trust document
                                            certified within the past 12
                                            months or a trust certification
                                            form.

                                         o  Signature guarantee if applicable
                                            (see above).

Joint tenancy shareholders with          o  Letter of instruction signed by
rights of survivorship whose                surviving tenant.
co-tenants are deceased.
                                         o  Copy of death certificate.

                                         o  Signature guarantee if applicable
                                            (see above).

Executors of shareholder estates.        o  Letter of instruction signed by
                                            executor.

                                         o  Copy of order appointing executor,
                                            certified within the past 12
                                            months.

                                         o  Signature guarantee if applicable
                                            (see above).

Administrators, conservators,            o  Call 1-800-225-5291 for
guardians and other sellers or              instructions.
account types not listed above.


                                                                YOUR ACCOUNT  11
<PAGE>

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TRANSACTION POLICIES

Valuation of shares The net asset value per share (NAV) for each class of the
fund is determined each business day at the close of regular trading on the New
York Stock Exchange (typically 4 P.M. Eastern Time). The fund uses market prices
in valuing portfolio securities, but may use fair-value estimates if reliable
market prices are unavailable.

Buy and sell prices When you buy shares, you pay the NAV plus any applicable
sales charges, as described earlier. When you sell shares, you receive the NAV
minus any applicable deferred sales charges. In unusual circumstances, the fund
has the right to redeem in kind.

Execution of requests The fund is open on those days when the New York Stock
Exchange is open, typically Monday through Friday. Buy and sell requests are
executed at the next NAV to be calculated after Signature Services receives your
request in good order.

At times of peak activity, it may be difficult to place requests by phone.
During these times, consider using EASI-Line or sending your request in writing.

In unusual circumstances, the fund may temporarily suspend the processing of
sell requests, or may postpone payment of proceeds for up to three business days
or longer, as allowed by federal securities laws.

Telephone transactions For your protection, telephone requests may be recorded
in order to verify their accuracy. Also for your protection, telephone
transactions are not permitted on accounts whose names or addresses have changed
within the past 30 days. Proceeds from telephone transactions can only be mailed
to the address of record.

Exchanges You may exchange shares of one John Hancock fund for shares of the
same class of any other, generally without paying any additional sales charges.
The registration for both accounts involved must be identical. Class B and Class
C shares will continue to age from the original date and will retain the same
CDSC rate as they had before the exchange, except that the rate will change to
the new fund's rate if that rate is higher. A CDSC rate that has increased will
drop again with a future exchange into a fund with a lower rate.

To protect the interests of other investors in the fund, the fund may cancel the
exchange privileges of any parties that, in the opinion of the fund, are using
market timing strategies or making more than seven exchanges per owner or
controlling party per calendar year. The fund may also refuse any exchange
order. The fund may change or cancel its exchange policies at any time, upon 60
days' notice to its shareholders.

Certificated shares Most shares are electronically recorded. If you wish to have
certificates for your shares, please write to Signature Services. Certificated
shares can only be sold by returning the certificates to Signature Services,
along with a letter of instruction or a stock power and a signature guarantee.

Sales in advance of purchase payments When you place a request to sell shares
for which the purchase money has not yet been collected, the request will be
executed in a timely fashion, but the fund will not release the proceeds to you
until your purchase payment clears. This may take up to ten business days after
the purchase.

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DIVIDENDS AND ACCOUNT POLICIES

Account statements In general, you will receive account statements as follows:

o  after every transaction (except a dividend reinvestment) that affects your
   account balance

o  after any changes of name or address of the registered owner(s)

o  in all other circumstances, every quarter

Every year you should also receive, if applicable, a Form 1099 tax information
statement, mailed by January 31.

Dividends The fund generally distributes most or all of its net earnings
annually in the form of dividends. Most of these dividends are from capital
gains.

Dividend reinvestments Most investors have their dividends reinvested in
additional shares of the same fund and class. If you choose this option, or if
you do not indicate any choice, your dividends will be reinvested on the
dividend record date. Alternatively, you can choose to have a check for your
dividends mailed to you. However, if the check is not deliverable, your
dividends will be reinvested.


12  YOUR ACCOUNT
<PAGE>

Taxability of dividends Dividends you receive from a fund, whether reinvested or
taken as cash, are generally considered taxable. Dividends from the fund's long-
term capital gains are taxable as capital gains; dividends from other sources
are generally taxable as ordinary income. Whether gains are short-term or
long-term depends on the fund's holding period. Some dividends paid in January
may be taxable as if they had been paid the previous December.

The Form 1099 that is mailed to you every January details your dividends and
their federal tax category, although you should verify your tax liability with
your tax professional.

Taxability of transactions Any time you sell or exchange shares, it is
considered a taxable event for you. Depending on the purchase price and the sale
price of the shares you sell or exchange, you may have a gain or a loss on the
transaction. You are responsible for any tax liabilities generated by your
transactions.

Small accounts (non-retirement only) If you draw down a non-retirement account
so that its total value is less than $1,000, you may be asked to purchase more
shares within 30 days. If you do not take action, your fund may close out your
account and mail you the proceeds. Alternatively, Signature Services may charge
you $10 a year to maintain your account. You will not be charged a CDSC if your
account is closed for this reason, and your account will not be closed if its
drop in value is due to fund performance or the effects of sales charges.

Year 2000 compliance The adviser and the fund's service providers are taking
steps to address any year 2000-related computer problems. However, there is some
risk that these problems could disrupt the issuers in which the fund invests,
the fund's operations or financial markets generally.

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ADDITIONAL INVESTOR SERVICES

Monthly Automatic Accumulation Program (MAAP) MAAP lets you set up regular
investments from your paycheck or bank account to the John Hancock fund(s) of
your choice. You determine the frequency and amount of your investments, and you
can terminate your program at any time. To establish:

o  Complete the appropriate parts of your account application.

o  If you are using MAAP to open an account, make out a check ($25 minimum) for
   your first investment amount payable to "John Hancock Signature Services,
   Inc." Deliver your check and application to your financial representative or
   Signature Services.

Systematic withdrawal plan This plan may be used for routine bill payments or
periodic withdrawals from your account. To establish:

o  Make sure you have at least $5,000 worth of shares in your account.

o  Make sure you are not planning to invest more money in this account (buying
   shares during a period when you are also selling shares of the same fund is
   not advantageous to you, because of sales charges).

o  Specify the payee(s). The payee may be yourself or any other party, and there
   is no limit to the number of payees you may have, as long as they are all on
   the same payment schedule.

o  Determine the schedule: monthly, quarterly, semi-annually, annually or in
   certain selected months.

o  Fill out the relevant part of the account application. To add a systematic
   withdrawal plan to an existing account, contact your financial representative
   or Signature Services.

Retirement plans John Hancock Funds offers a range of retirement plans,
including traditional, Roth and Education IRAs, SIMPLE plans, SEPs, 401(k) plans
and other pension and profit-sharing plans. Using these plans, you can invest in
any John Hancock fund (except tax-free income funds) with a low minimum
investment of $250 or, for some group plans, no minimum investment at all. To
find out more, call Signature Services at 1-800-225-5291.


                                                                YOUR ACCOUNT  13
<PAGE>

Fund details

- --------------------------------------------------------------------------------
BUSINESS STRUCTURE

The diagram below shows the basic business structure used by the fund. The
fund's board of trustees oversees the fund's business activities and retains the
services of the various firms that carry out the fund's operations. The trustees
have the power to change the fund's investment goals without shareholder
approval.

The management firm The fund is managed by John Hancock Advisers, Inc. Founded
in 1968, John Hancock Advisers is a wholly owned subsidiary of John Hancock
Mutual Life Insurance Company and manages more than $30 billion in assets.

[The following information was represented as a flow chart in the printed
material.]

                                -----------------
                                  Shareholders
                                -----------------

  Distribution and
shareholder services

                -------------------------------------------------
                          Financial services firms and
                             their representatives

                     Advise current and prospective share-
                    holders on their fund investments, often
                  in the context of an overall financial plan.
                -------------------------------------------------

                -------------------------------------------------
                             Principal distributor

                            John Hancock Funds, Inc.

                    Markets the funds and distributes shares
                  through selling brokers, financial planners
                      and other financial representatives.
                -------------------------------------------------

             ------------------------------------------------------
                                 Transfer agent

                      John Hancock Signature Services, Inc.

                Handles shareholder services, including record-
               keeping and statements, distribution of dividends
                    and processing of buy and sell requests.
             ------------------------------------------------------

                                                                        Asset
                                                                      management

                      ------------------------------------
                               Investment adviser

                          John Hancock Advisers, Inc.
                             101 Huntington Avenue
                             Boston, MA 02199-7603

                        Manages the fund's business and
                             investment activities.
                      ------------------------------------

                      ------------------------------------
                                   Custodian

                         State Street Bank and Trust Co.

                      Holds the fund's assets, settles all
                     portfolio trades and collects most of
                        the valuation data required for
                          calculating the fund's NAV.
                      ------------------------------------

                      ------------------------------------
                                    Trustees

                         Oversee the fund's activities.
                      ------------------------------------


14  FUND DETAILS
<PAGE>

- --------------------------------------------------------------------------------

For more information

- --------------------------------------------------------------------------------

Two documents are available that offer further information on the John Hancock
500 Index Fund:

ANNUAL/SEMIANNUAL REPORT TO SHAREHOLDERS

Includes financial statements, a discussion of the market conditions and
investment strategies that significantly affect performance, as well as the
auditor's report (in annual report only).

STATEMENT OF ADDITIONAL INFORMATION (SAI)

The SAI contains more detailed information on all aspects of the fund. The
current annual report is included in the SAI.

A current SAI has been filed with the Securities and Exchange Commission and is
incorporated by reference into (is legally a part of) this prospectus.

To request a free copy of the current annual/semiannual report or the SAI,
please contact John Hancock:

By mail:
John Hancock Signature Services, Inc.
1 John Hancock Way, Suite 1000
Boston, MA 02217-1000

By phone: 1-800-225-5291

By EASI-Line: 1-800-338-8080

By TDD: 1-800-544-6713

On the Internet: www.jhancock.com/funds

Or you may view or obtain these documents from the SEC:

In person: at the SEC's Public Reference Room in Washington, DC

By phone: 1-800-SEC-0330

By mail: Public Reference Section
Securities and Exchange Commission
Washington, DC 20549-6009
(duplicating fee required)

On the Internet: www.sec.gov

[LOGO] JOHN HANCOCK FUNDS
       A Global Investment Management Firm

       101 Huntington Avenue
       Boston, Massachusetts
       02199-7603

                                               (C) 1999 John Hancock Funds, Inc.
                                                                      110PN 8/99

       John Hancock(R)


<PAGE>

- --------------------------------------------------------------------------------

                                  JOHN HANCOCK

                                  500 Index
                                  Fund
                                  Class R

                                  [LOGO] Prospectus
                                         August 18, 1999

- --------------------------------------------------------------------------------

As with all mutual funds, the Securities and Exchange Commission has not
approved or disapproved this fund or determined whether the information in this
prospectus is adequate and accurate. Anyone who indicates otherwise is
committing a federal crime.

[LOGO] JOHN HANCOCK FUNDS
       A Global Investment Management Firm

       101 Huntington Avenue, Boston, Massachusetts 02199-7603
<PAGE>

Contents

- --------------------------------------------------------------------------------

A summary of the fund's      500 Index Fund                                    4
goals, strategies, risks,
performance and expenses.


Policies and instructions    Your account
for opening, maintaining
and closing an account.      Who can buy Class R shares                        6

                             Opening an account                                6

                             Buying shares                                     7

                             Selling shares                                    8

                             Transaction policies                             10

                             Dividends and account policies                   10


Further information on the   Fund details
fund.
                             Business structure                               12


                             For more information                     back cover


                                                                               3
<PAGE>

GOAL AND STRATEGY

[Clip Art] The fund seeks to provide investment results that correspond to the
total return performance of the Standard & Poor's 500 Stock Price Index. To
pursue this goal, the fund normally invests at least 80% of its assets in common
stocks of S&P 500(R) companies, in approximately the same proportions as they
are represented in the index.

This fund is passively managed, meaning that the manager does not use any broad
economic or fundamental financial analysis to select investments. The manager
monitors the portfolio daily and rebalances periodically to maintain the
proportions of the index. The fund also invests in futures contracts and options
based on S&P 500 stocks.

Under normal circumstances, the fund is fully invested -- directly or through
futures and options contracts -- in all 500 stocks represented in the index. It
may, however, invest in fewer stocks or in stocks of non-S&P 500 companies. The
fund normally maintains less than 1% of assets in cash or cash equivalents.

================================================================================

PORTFOLIO MANAGER


Roger C. Hamilton
- -------------------------
Vice president of adviser
Joined team in 1999
Joined adviser in 1994
Began career in 1980


PAST PERFORMANCE

[Clip Art] This section normally shows how the fund's total return has varied
from year to year, along with a broad-based market index for reference. Because
the fund is less than a year old, there is not a full year of performance to
report.


4
<PAGE>

MAIN RISKS


[Clip Art] The value of your investment will fluctuate with the index. The fund
does not attempt to temper volatility or avoid losses associated with a decline
in the index. The large-capitalization stocks that make up the index could fall
out of favor with the market, causing the fund to underperform funds that focus
on small- or medium-capitalization stocks. Certain investment practices may
cause the fund to track the index less closely:


o  Transaction expenses can reduce fund performance.

o  Certain derivatives could produce disproportionate gains or losses.

o  The performance of S&P futures could correlate less strongly with the index
   than investments in the underlying securities.

o  The relative proportions of stocks in the fund's portfolio could drift over
   time, which could increase tracking error.


Other factors may affect performance, such as the liquidity of S&P 500 stocks
and the timing of the fund's cash flows.


Investments in the fund are not bank deposits and are not insured or guaranteed
by the Federal Deposit Insurance Corporation or any other governmental agency.
You could lose money by investing in this fund.

Note: Standard & Poor's and S&P 500(R) are trademarks of The McGraw-Hill
Companies, Inc. and have been licensed for use by the adviser. A description of
this license is provided in the statement of additional information.

================================================================================

YOUR EXPENSES

[Clip Art] Transaction expenses are charged directly to your account. Operating
expenses are paid from the fund's assets, and therefore are paid by shareholders
indirectly. The figures below show estimated annualized expenses. Actual
expenses may be greater or less.

- --------------------------------------------------------------------------------
Shareholder transaction expenses                                       Class R
- --------------------------------------------------------------------------------
Maximum sales charge (load) on purchases
as a % of purchase price                                               none
Maximum deferred sales charge (load)
(as a % of purchase or sales price, whichever is less)                 none

- --------------------------------------------------------------------------------
Annual operating expenses                                              Class R
- --------------------------------------------------------------------------------

Management fee                                                         0.35%
Distribution and service (12b-1) fees                                  0.25%
Other expenses (estimated)                                             0.32%
Total fund operating expenses                                          0.92%
Distribution and service (12b-1) fee reduction
(at least until 8/17/00)                                               0.15%
Expense reimbursement (at least until 8/17/00)                         0.37%
Net annual operating expenses                                          0.40%


The hypothetical example below shows what your expenses would be after the
expense reimbursement (first year only) if you invested $10,000 over the time
frames indicated, assuming you reinvested all distributions and that the average
annual return was 5%. The example is for comparison only, and does not represent
the fund's actual expenses and returns, either past or future.

- --------------------------------------------------------------------------------
Expenses                                                     Year 1    Year 3
- --------------------------------------------------------------------------------
Class R                                                      $41       $241



FUND CODES


Class R
- ---------------------------
Ticker            --
CUSIP             478032873
Newspaper         --
SEC number        811-3392
JH fund number    211


                                                                               5
<PAGE>

Your account

- --------------------------------------------------------------------------------
WHO CAN BUY CLASS R SHARES

Class R shares are offered without any front-end or contingent deferred sales
charges. They are available to certain types of institutional investors, as
noted below:

o  Full service 401(k) retirement plans (administered by John Hancock) with at
   least $1 million in plan assets

o  Certain other retirement plans with at least $10 million in assets

o  Rollover individual retirement accounts for participants whose plans are
   invested in the 500 Index Fund Class R.



- --------------------------------------------------------------------------------
OPENING AN ACCOUNT

1  Read this prospectus carefully.

2  Determine if you are eligible, referring to "Who can buy Class R shares."

3  Complete the appropriate parts of the account privileges application. If you
   have questions, please contact your financial representative or call
   Signature Services at 1-800-755-4371.

4  Make your initial investment using the table on the next page. You and your
   financial representative can initiate any purchase, exchange or sale of
   shares.


6  YOUR ACCOUNT
<PAGE>

- --------------------------------------------------------------------------------
Buying shares
- --------------------------------------------------------------------------------
           Opening an account                 Adding to an account

By check

[Clip Art] o  Make out a check for the        o  Make out a check for the
              investment amount, payable to      investment amount payable to
              "John Hancock Signature            "John Hancock Signature
              Services, Inc."                    Services, Inc."

           o  Deliver the check and your      o  Fill out the detachable
              completed application to your      investment slip from an
              financial representative, or       account statement. If no slip
              mail them to Signature             is available, include a note
              Services (address below).          specifying the fund name,
                                                 your share class, your
                                                 account number and the
                                                 name(s) in which the account
                                                 is registered.

                                              o  Deliver the check and your
                                                 investment slip or note to
                                                 your financial
                                                 representative, or mail them
                                                 to Signature Services
                                                 (address below).

By exchange

[Clip Art] o  Call your financial             o  Call your financial
              representative or Signature        representative or Signature
              Services to request an             Services to request an
              exchange.                          exchange.

By wire

[Clip Art] o  Deliver your completed          o  Instruct your bank to wire
              application to your financial      the amount of your investment
              representative, or mail it to      to:
              Signature Services.                  First Signature Bank & Trust
                                                   Account # 900055260
           o  Obtain your account number by        Routing # 211475000
              calling your financial
              representative or Signature     Specify the fund name, Class R
              Services.                       shares, your account number and
                                              the name in which the account is
           o  Instruct your bank to wire      registered. Your bank may charge
              the amount of your investment   a fee to wire funds.
              to:
                First Signature Bank & Trust
                Account # 900055260
                Routing # 211475000

           Specify the fund name, Class R
           shares, the new account number
           and the name in which the
           account is registered. Your bank
           may charge a fee to wire funds.

By phone

[Clip Art] See "By wire" and "By exchange."   o  Verify that your bank or
                                                 credit union is a member of
                                                 the Automated Clearing House
                                                 (ACH) system.

                                              o  Complete the "Invest By
                                                 Phone" and "Bank Information"
                                                 sections on your account
                                                 application.

                                              o  Call Signature Services to
                                                 verify that these features
                                                 are in place on your account.

                                              o  Tell the Signature Services
                                                 representative the fund name,
                                                 Class Rshares, your account
                                                 number, the name in which the
                                                 account is registered and the
                                                 amount of your investment.

- ----------------------------------------

Address:
John Hancock Signature Services, Inc.
101 Huntington Avenue
Attn: Participant Service Center
5th Floor
Boston, MA 02199

Phone Number: 1-800-755-4371

- ----------------------------------------


                                                                 YOUR ACCOUNT  7
<PAGE>

Selling shares
           Designed for                       To sell some or all of your shares

By letter

[Clip Art] o  Accounts of any type.           o  Write a letter of instruction
                                                 or complete a stock power
           o  Sales of any amount.               indicating the fund name,
                                                 Class R shares, your account
                                                 number, the name in which the
                                                 account is registered and the
                                                 dollar value or number of
                                                 shares you wish to sell.

                                              o  Include all signatures and
                                                 any additional documents that
                                                 may be required (see next
                                                 page).

                                              o  Mail the materials to
                                                 Signature Services.

                                              o  A check will be mailed to the
                                                 name(s) and address in which
                                                 the account is registered, or
                                                 otherwise according to your
                                                 letter of instruction.

By phone

[Clip Art] o  Most accounts.                  o  Automated service is
                                                 available for individual
           o  Sales of up to $100,000.           retirement accounts and other
                                                 retirement plans 24 hours a
                                                 day using your touch-tone
                                                 phone, call the EASI-Line at
                                                 1-800-597-1897.


                                              o  Automated service is
                                                 available for full service
                                                 401(k) plan participants
                                                 24-hours a day using your
                                                 touch-tone phone by calling
                                                 1-800-540-2788.

                                              o  To place your order with a
                                                 representative at John
                                                 Hancock Funds, call Signature
                                                 Services between 8 A.M. and 8
                                                 P.M. Eastern Time on most
                                                 business days.

By wire or electronic funds transfer (EFT)

[Clip Art] o  Requests by letter to sell      o  To verify that the telephone
              any amount (accounts of any        redemption privilege is in
              type).                             place on an account, or to
                                                 request the form to add it to
           o  Requests by phone to sell up       an existing account, call
              to $100,000 (accounts with         Signature Services.
              telephone redemption
              privileges).                    o  Amounts of $1,000 or more
                                                 will be wired on the next
                                                 business day. A $4 fee will
                                                 be deducted from your account
                                                 for individual retirement
                                                 accounts.

                                              o  Amounts of less than $1,000
                                                 may be sent by EFT or by
                                                 check. Funds from EFT
                                                 transactions are generally
                                                 available by the second
                                                 business day. Your bank may
                                                 charge a fee for this
                                                 service.

By exchange

[Clip Art] o  Accounts of any type.           o  Obtain a current prospectus
                                                 for the fund into which you
           o  Sales of any amount.               are exchanging by calling
                                                 your financial representative
                                                 or Signature Services.

                                              o  Call your financial
                                                 representative or Signature
                                                 Services to request an
                                                 exchange.

                                        ----------------------------------------

                                        Address:
                                        John Hancock Signature Services, Inc.
                                        101 Huntington Avenue
                                        Attn: Participant Service Center
                                        5th Floor
                                        Boston, MA 02199

                                        Phone Number: 1-800-755-4371

                                        ----------------------------------------


8  YOUR ACCOUNT
<PAGE>


Selling shares in writing In certain circumstances, you will need to make your
request to sell shares in writing. You may need to include additional items with
your request, as shown in the table below, unless they were previously provided
to Signature Services. You may also need to include a signature guarantee, which
protects you against fraudulent orders. You will need a signature guarantee if:


o  your address of record has changed within the past 30 days

o  you are selling more than $100,000 worth of shares

o  you are requesting payment other than by a check mailed to the address of
   record and payable to the registered owner(s)

You will need to obtain your signature guarantee from a member of the Signature
Guarantee Medallion Program. Most brokers and securities dealers are members of
this program. A notary public CANNOT provide a signature guarantee.

- --------------------------------------------------------------------------------
Seller                                   Requirements for written requests
- --------------------------------------------------------------------------------
                                                                      [Clip Art]

Owners of individual retirement          o  Letter of instruction.
accounts and certain other retirement
accounts.                                o  On the letter, the signatures and
                                            titles of all persons authorized to
                                            sign for the account, exactly as
                                            the account is registered.

                                         o  Signature guarantee if applicable
                                            (see above).

                                         o  Corporate resolution if applicable.

Executors of shareholder estates.        o  Letter of instruction signed by
                                            executor.

                                         o  Copy of order appointing executor,
                                            certified within the past 12
                                            months.

                                         o  Signature guarantee if applicable
                                            (see above).


                                                                 YOUR ACCOUNT  9
<PAGE>

- --------------------------------------------------------------------------------
TRANSACTION POLICIES

Valuation of shares The net asset value per share (NAV) for each class of the
fund is determined each business day at the close of regular trading on the New
York Stock Exchange (typically 4 P.M. Eastern Time). The fund uses market prices
in valuing portfolio securities, but may use fair-value estimates if reliable
market prices are unavailable.



Execution of requests The fund is open on those days when the New York Stock
Exchange is open, typically Monday through Friday. Buy and sell requests are
executed at the next NAV to be calculated after Signature Services receives your
request in good order. In unusual circumstances, the fund has the right to
redeem in kind.

At times of peak activity, it may be difficult to place requests by phone.
During these times, consider using EASI-Line or sending your request in writing.

In unusual circumstances, the fund may temporarily suspend the processing of
sell requests, or may postpone payment of proceeds for up to three business days
or longer, as allowed by federal securities laws.

Telephone transactions For your protection, telephone requests may be recorded
in order to verify their accuracy. Also for your protection, telephone
transactions are not permitted on accounts whose names or addresses have changed
within the past 30 days. Proceeds from telephone transactions can only be mailed
to the address of record.

Exchanges You may exchange Class R shares of the 500 Index Fund for A shares or
institutional shares of other John Hancock funds, generally without paying any
additional sales charges.

To protect the interests of other investors in the fund, the fund may cancel the
exchange privileges of any parties that, in the opinion of the fund, are using
market timing strategies or making more than seven exchanges per owner or
controlling party per calendar year. The fund may also refuse any exchange
order. The fund may change or cancel its exchange policies at any time, upon 60
days' notice to its shareholders.

Sales in advance of purchase payments When you place a request to sell shares
for which the purchase money has not yet been collected, the request will be
executed in a timely fashion, but the fund will not release the proceeds to you
until your purchase payment clears. This may take up to ten business days after
the purchase.

DIVIDENDS AND ACCOUNT POLICIES

Account statements In general, you will receive account statements as follows:

o  after every transaction (except a dividend reinvestment) that affects your
   account balance

o  after any changes of name or address of the registered owner(s)

o  in all other circumstances, every quarter

Every year you should also receive, if applicable, a Form 1099 tax information
statement, mailed by January 31.

Dividends The fund generally distributes most or all of its net earnings
annually in the form of dividends. Most of these dividends are from capital
gains.


Dividend reinvestments Dividends will be reinvested automatically in additional
shares of the same fund on the dividend record date. Alternatively, you can
choose to have a check for your dividends mailed to you. However, if the check
is not deliverable, your dividends will be reinvested.

Taxability of dividends For investors who are not exempt from federal income
taxes, dividends you receive from a fund, whether reinvested or taken as cash,
are generally considered taxable. Dividends from a fund's short-term capital
gains are taxable as ordinary income. Dividends from a fund's long-term capital
gains are taxable at a lower rate. Whether gains are short-term or long-term
depends on the fund's holding period. Some dividends paid in January may be
taxable as if they had been paid the previous December.

The Form 1099 that is mailed to you every January details your dividends and
their federal tax category, although you should verify your tax liability with
your tax professional.

Taxability of transactions Any time you sell or exchange shares, it is
considered a taxable event for you if you are not exempt from federal income
taxes. Depending on the purchase price and the sale price of the shares you sell
or exchange, you may have a gain or a loss on the transaction. You are
responsible for any tax liabilities generated by your transactions.


Year 2000 compliance The adviser and the fund's service providers are taking
steps to address any year 2000-related computer problems. However, there is some
risk that these problems could disrupt the issuers in which the fund invests,
the fund's operations or financial markets generally.


10  YOUR ACCOUNT
<PAGE>

Fund details

- --------------------------------------------------------------------------------
BUSINESS STRUCTURE

The diagram below shows the basic business structure used by the fund. The
fund's board of trustees oversees the fund's business activities and retains the
services of the various firms that carry out the fund's operations. The trustees
have the power to change the fund's investment goals without shareholder
approval.

The management firm The fund is managed by John Hancock Advisers, Inc. Founded
in 1968, John Hancock Advisers is a wholly owned subsidiary of John Hancock
Mutual Life Insurance Company and manages more than $30 billion in assets.

                                -----------------
                                  Shareholders
                                -----------------

  Distribution and
shareholder services

                -------------------------------------------------
                          Financial services firms and
                             their representatives

                     Advise current and prospective share-
                    holders on their fund investments, often
                  in the context of an overall financial plan.
                -------------------------------------------------

                -------------------------------------------------
                             Principal distributor

                            John Hancock Funds, Inc.

                    Markets the funds and distributes shares
                  through selling brokers, financial planners
                      and other financial representatives.
                -------------------------------------------------

             ------------------------------------------------------
                                 Transfer agent

                      John Hancock Signature Services, Inc.

                Handles shareholder services, including record-
               keeping and statements, distribution of dividends
                    and processing of buy and sell requests.
             ------------------------------------------------------

                                                                        Asset
                                                                      management

                      ------------------------------------
                               Investment adviser

                          John Hancock Advisers, Inc.
                             101 Huntington Avenue
                             Boston, MA 02199-7603

                        Manages the fund's business and
                             investment activities.
                      ------------------------------------

                      ------------------------------------
                                   Custodian

                         State Street Bank and Trust Co.

                      Holds the fund's assets, settles all
                     portfolio trades and collects most of
                        the valuation data required for
                          calculating the fund's NAV.
                      ------------------------------------

                      ------------------------------------
                                    Trustees

                         Oversee the fund's activities.
                      ------------------------------------


                                                                FUND DETAILS  11
<PAGE>

- --------------------------------------------------------------------------------

For more information

- --------------------------------------------------------------------------------

Two documents are available that offer further information on the John Hancock
500 Index Fund:

ANNUAL/SEMIANNUAL REPORT TO SHAREHOLDERS

Includes financial statements, a discussion of the market conditions and
investment strategies that significantly affect performance, as well as the
auditor's report (in annual report only).

STATEMENT OF ADDITIONAL INFORMATION (SAI)

The SAI contains more detailed information on all aspects of the fund. The
current annual report is included in the SAI.

A current SAI has been filed with the Securities and Exchange Commission and is
incorporated by reference into (is legally a part of) this prospectus.

To request a free copy of the current annual/semiannual report or the SAI,
please contact John Hancock:

By mail:
John Hancock Signature
Services, Inc.
101 Huntington Avenue
Attn: Participant Service Center
5th Floor
Boston, MA 02199

By phone: 1-800-755-4371

By EASI-Line: 1-800-597-1897

By TDD: 1-800-462-0825


On the Internet: www.jhfunds.com


Or you may view or obtain these documents from the SEC:

In person: at the SEC's Public
Reference Room in Washington, DC

By phone: 1-800-SEC-0330

By mail: Public Reference Section
Securities and Exchange Commission
Washington, DC 20549-6009
(duplicating fee required)

On the Internet: www.sec.gov

[LOGO] JOHN HANCOCK FUNDS
       A Global Investment Management Firm

       101 Huntington Avenue
       Boston, Massachusetts
       02199-7603

                                               (C) 1999 John Hancock Funds, Inc.
                                                                      11RPN 8/99

       John Hancock(R)

<PAGE>



                           JOHN HANCOCK 500 INDEX FUND
                  Class A, Class B, Class C and Class R Shares
                       Statement of Additional Information

                                 August 18, 1999

This Statement of Additional Information provides information about John Hancock
500 Index Fund (the "Fund") in addition to the information that is contained the
Class  A,  B  and  C  Prospectus  and  the  Class  R  Prospectus  (together  the
"Prospectuses").  The Fund is a diversified  series of John Hancock Series Trust
(the "Trust").


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


                      John Hancock Signature Services, Inc.
                         1 John Hancock Way, Suite 1000
                              Boston MA 02217-1000
                                 1-800-225-5291


                                TABLE OF CONTENTS
                                                                            Page
Organization of the Fund................................................       2
Investment Objective and Policies.......................................       2
Investment Restrictions.................................................      14
Those Responsible for Management........................................      15
Investment Advisory and Other Services..................................      24
Distribution Contracts..................................................      26
Sales Compensation......................................................      28
Eligible Investors for Class R..........................................      30
Net Asset Value.........................................................      30
Initial Sales Charge on Class A Shares..................................      31
Deferred Sales Charge on Class B and Class C Shares.....................      34
Special Redemptions.....................................................      37
Additional Services and Programs........................................      37
Description of the Fund's Shares........................................      39
Tax Status..............................................................      40
Calculation of Performance..............................................      45
Brokerage Allocation....................................................      47
Transfer Agent Services.................................................      48
Custody of Portfolio....................................................      49
Independent Auditors....................................................      49
Appendix A- Description of Investment Risk..............................     A-1
Appendix B-Description of Bond Ratings..................................     B-1



                                       1
<PAGE>



ORGANIZATION OF THE FUND

The Fund is a series of the Trust,  an open-end  investment  management  company
organized  as a  Massachusetts  business  trust  in 1996  under  the laws of The
Commonwealth of Massachusetts.

John Hancock Advisers,  Inc. (the "Adviser") is the Fund's  investment  adviser.
The Adviser is an indirect  wholly-owned  subsidiary of John Hancock Mutual Life
Insurance Company (the "Life Company"),  a Massachusetts  life insurance company
chartered in 1862,  with national  headquarters  at John Hancock Place,  Boston,
Massachusetts.

INVESTMENT OBJECTIVE AND POLICIES


The following  information  supplements the discussion of the Fund's  investment
objective  and  policies  discussed  in the  Prospectuses.  Appendix  A contains
further information describing investment risks. The investment objective of the
Fund is not fundamental and may be changed by the Trustees  without  shareholder
approval.  There is no  assurance  that the Fund  will  achieve  its  investment
objective.


The Fund's investment objective is to provide investment results that correspond
to the total return  performance of the Standard & Poor's 500 Stock Price Index.
Under normal market condition, the fund invests at least 80% of the Fund's total
assets in common  stocks of the companies  that comprise the S&P 500 Index.  The
Fund tries to allocate  the stocks held in its  portfolio in  approximately  the
same  proportions as they are represented in the S&P 500 Index, in an attempt to
minimize  the  degree  to which  the  Fund's  investment  results  (before  Fund
expenses)  differ  from those of the Index  ("tracking  error").  This  indexing
technique  is achieved  through  the use of stock  optimization  modeling.  This
indexing  technique  is a passive  approach to  investing  and is  designed  for
long-term  investors  seeking a diversified  portfolio of common stocks.  Unlike
other equity funds which seek to "beat" stock market averages, the Fund attempts
to "match"  the total  return  performance  of the S&P Index and thus  provide a
predictable  return  relative to the  benchmark.  The degree to which the Fund's
performance  correlates with that of the S&P 500 Index will depend upon the size
and cash flows of the Fund, the liquidity of the  securities  represented in the
Index and the Fund's expenses,  among other factors. There is no fixed number of
component  stocks in which the Fund will  invest,  and there can be no assurance
that the  Fund's  total  return  will  match  that of the S&P 500  Index.  For a
description of the investment characteristics of the S&P 500 Index, see "THE S&P
500 INDEX."


If extraordinary circumstances warrant, the Fund may exclude a stock held in the
S&P 500 Index and include a similar stock in its place if doing so will help the
Fund achieve its objective. The Fund may also exclude stock issued by the parent
company of John Hancock Advisers, Inc. and its subsidiaries.  Additionally,  the
Fund may invest in  certain  short-term  fixed  income  securities  such as cash
equivalents,  although  cash and  cash  equivalents  are  normally  expected  to
represent less than 1% of the Fund's assets (excluding cash and cash equivalents
segregated  in  relation  to futures  contracts).  The Fund may enter into stock
futures contracts and options in order to invest  uncommitted cash balances,  to
maintain  liquidity  to meet  shareholder  redemptions,  or to minimize  trading
costs.  The Fund  will not  invest in cash  equivalents,  futures  contracts  or
options as part of a temporary defensive strategy.

SPDRS.  The Fund may invest in  securities  referred to as SPDRs,  or "spiders",
that are  designed  to track the S&P 500 Index.  SPDRs  represent  an  ownership
interest  in the SPDR  Trust,  which  holds a  portfolio  of common  stocks that
closely  tracks the price  performance  and dividend yield of the S&P 500 Index.
SPDRs trade on the American  Stock  Exchange like shares of common stock.  SPDRs
have many of the same risks as direct  investments in common stocks.  The market
value of SPDRs is  expected  to rise  and fall as the S&P 500  Index  rises  and
falls.  If the Fund invests in SPDRs, it would, in addition to its own expenses,
indirectly bear its ratable share of the SPDR's expenses.



                                       2
<PAGE>


THE S & P 500  INDEX.  The S & P 500  Index  is  comprised  of  500  industrial,
utility,  transportation  and financial  companies in the United States markets.
Most  of  these  companies  are  listed  on the New  York  Stock  Exchange  (the
"Exchange").  Companies included in the S&P 500 Index represent about 73% of the
Exchange's market  capitalization and 16% of the Exchange's issuers. The S&P 500
Index is a capitalization weighted index calculated on a total return basis with
dividends  reinvested.  The  inclusion of a stock in the S&P 500 Index in no way
implies  that  Standard  &  Poor's  believes  the  stock  to  be  an  attractive
investment.

Because of the market-value  weighting,  the 50 largest companies in the S&P 500
Index  currently  account  for  approximately  55.87% of the  Index.  Typically,
companies  included in the S&P 500 Index are the largest and most dominant firms
in their respective industries. As of March 31, 1999, the five largest companies
in the Index were:  Microsoft  (4.302%),  General  Electric  (3.448%),  Wal-Mart
(1.950%),  Intel (1.889%),  and Merck & Co, Inc. (1.817%).  The largest industry
categories were:  computer software (7.778%),  drugs (5.492%),  computer systems
(5.10%), health care (4.498%) and financial-miscellaneous (4.413%).

"Standard & Poor's(R),"  "S&P(R),"  "S&P  500(R),"  "Standard & Poor's 500," and
"500" are trademarks of The McGraw-Hill  Companies,  Inc. and have been licensed
for use by the Adviser. The 500 Index Fund is not sponsored,  endorsed,  sold or
promoted  by Standard & Poor's.  Standard & Poor's  makes no  representation  or
warranty, express or implied, to the purchasers of the Fund or any member of the
public regarding the advisability of investing in securities generally or in the
500 Index Fund particularly or the ability of the S&P 500 Index to track general
stock market performance.  Standard & Poor's only relationship to the Adviser is
the licensing of certain  trademarks and trade names of Standard & Poor's and of
the S&P 500 Index,  which is  determined,  composed and calculated by Standard &
Poor's  without  regard to the Adviser or the 500 Index Fund.  Standard & Poor's
has no obligation to take the needs of the Adviser or the  purchasers of the 500
Index Fund into  consideration in determining,  composing or calculating the S&P
500 Index.  Standard & Poor's is not responsible for and has not participated in
the  determination of the prices and amount of the 500 Index Fund, the timing of
the  issuance  or  sale  of  the  500  Index  Fund  or in the  determination  or
calculation  of the equation by which the 500 Index Fund is to be converted into
cash.  Standard & Poor's has no obligation  or liability in connection  with the
administration, marketing or trading of the 500 Index Fund.

STANDARD & POOR'S DOES NOT GUARANTEE THE ACCURACY AND/OR THE COMPLETENESS OF THE
S&P 500 INDEX OR ANY DATA  INCLUDED  THEREIN AND STANDARD & POOR'S SHALL HAVE NO
LIABILITY FOR ANY ERRORS, OMISSIONS, OR INTERRUPTIONS THEREIN. STANDARD & POOR'S
MAKES NO  WARRANTY,  EXPRESS OR  IMPLIED,  AS TO RESULTS TO BE  OBTAINED  BY THE
ADVISER,  THE TRUST,  OR ANY OTHER  PERSON OR ENTITY FROM THE USE OF THE S&P 500
INDEX OR ANY DATA  INCLUDED  THEREIN.  STANDARD  & POOR'S  MAKES NO  EXPRESS  OR
IMPLIED WARRANTIES, AND EXPRESSLY DISCLAIMS ALL WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE OR USE WITH RESPECT TO THE S&P 500 INDEX OR ANY
DATA INCLUDED THEREIN.  WITHOUT LIMITING ANY OF THE FOREGOING, IN NO EVENT SHALL
STANDARD & POOR'S HAVE ANY LIABILITY  FOR ANY SPECIAL,  PUNITIVE,  INDIRECT,  OR
CONSEQUENTIAL  DAMAGES  (INCLUDING  LOST  PROFITS),  EVEN  IF  NOTIFIED  OF  THE
POSSIBILITY OF SUCH DAMAGES.

                                       3
<PAGE>


Smaller Capitalization  Companies. The Fund may invest in smaller capitalization
companies.  These companies may have limited product lines, market and financial
resources,  or they may be dependent on smaller or less  experienced  management
groups.  In  addition,  trading  volume  for these  securities  may be  limited.
Historically,  the market price for these securities has been more volatile than
for securities of companies with greater capitalization.  However, securities of
companies with smaller  capitalization  may offer greater  potential for capital
appreciation since they may be overlooked and thus undervalued by investors.

Ratings as  Investment  Criteria.  In  general,  the  ratings of Moody's and S&P
represent  the  opinions of these  agencies as to the quality of the  securities
which they rate. It should be emphasized however,  that ratings are relative and
subjective and are not absolute standards of quality. These ratings will be used
by the Fund as initial criteria for the selection of portfolio securities. Among
the factors which will be considered are the long-term  ability of the issuer to
pay  principal  and interest and general  economic  trends.  Appendix B contains
further  information  concerning  the  rating  of  Moody's  and  S&P  and  their
significance. Subsequent to its purchase by the Fund, an issue of securities may
cease to be rated,  or its rating  may be reduced  below  minimum  required  for
purchase  by the Fund.  Neither of these  events  will  require  the sale of the
securities by the Fund.

Investments In Foreign Securities. The Fund may only invest in U.S. dollar
denominated securities including those of foreign issuers which are traded on a
U.S. Exchange.

Investing in  obligations of non-U.S.  issuers and foreign  banks,  particularly
securities of issuers  located in emerging  countries,  may entail greater risks
than investing in similar  securities of U.S.  issuers.  These risks include (i)
social,  political and economic instability;  (ii) the small current size of the
markets for many such securities and the currently low or nonexistent  volume of
trading,  which  may  result  in a  lack  of  liquidity  and  in  greater  price
volatility;  (iii)  certain  national  policies  which may  restrict  the Fund's
investment  opportunities,  including  restrictions  on investment in issuers or
industries deemed sensitive to national  interests;  (iv) foreign taxation;  and
(v) the absence of developed  structures governing private or foreign investment
or allowing for judicial  redress for injury to private  property.  Investing in
securities  of  non-U.S.  companies  may  entail  additional  risks  due  to the
potential political and economic  instability of certain countries and the risks
of   expropriation,   nationalization,   confiscation   or  the   imposition  of
restrictions on foreign  investment and on repatriation of capital invested.  In
the event of such  expropriation,  nationalization  or other confiscation by any
country, the Fund could lose its entire investment in any such country.

In  addition,  even though  opportunities  for  investment  may exist in foreign
countries,  and in particular emerging markets,  any change in the leadership or
policies of the  governments of those countries or in the leadership or policies
of any other  government  which  exercises a  significant  influence  over those
countries,  may halt the expansion of or reverse the  liberalization  of foreign
investment   policies  now  occurring  and  thereby   eliminate  any  investment
opportunities  which may currently  exist.  Investors  should note that upon the
accession to power of  authoritarian  regimes,  the  governments  of a number of
Latin American  countries  previously  expropriated large quantities of real and
personal  property  similar  to the  property


                                       4
<PAGE>


which may be represented by the securities purchased by the Fund. The claims of
property owners against those governments were never finally settled. There can
be no assurance that any property represented by foreign securities purchased by
the Fund will not also be expropriated, nationalized, or otherwise confiscated.
If such confiscation were to occur, the Fund could lose a substantial portion of
its investments in such countries. The Fund's investments would similarly be
adversely affected by exchange control regulations in any of those countries.
Certain countries in which the Fund may invest may have vocal minorities that
advocate radical religious or revolutionary philosophies or support ethnic
independence. Any disturbance on the part of such individuals could carry the
potential for widespread destruction or confiscation of property owned by
individuals and entities foreign to such country and could cause the loss of the
Fund's investment in those countries.

Certain countries prohibit or impose substantial  restrictions on investments in
their capital markets,  particularly  their equity markets,  by foreign entities
such as the Fund.  As  illustrations,  certain  countries  require  governmental
approval  prior to  investments  by  foreign  persons,  or limit  the  amount of
investment by foreign persons in a particular  company,  or limit the investment
by foreign  persons to only a specific class of securities of a company that may
have less  advantageous  terms than  securities  of the  company  available  for
purchase by nationals.  Moreover, the national policies of certain countries may
restrict  investment  opportunities in issuers or industries deemed sensitive to
national interests.  In addition,  some countries require governmental  approval
for the repatriation of investment income, capital or the proceeds of securities
sales by foreign  investors.  The Fund could be adversely affected by delays in,
or a refusal to grant, any required governmental  approval for repatriation,  as
well as by the application to it of other restrictions on investments.

Foreign  companies are subject to accounting,  auditing and financial  standards
and requirements that differ, in some cases significantly, from those applicable
to U.S. companies. In particular,  the assets, liabilities and profits appearing
on the  financial  statements  of such a company may not  reflect its  financial
position or results of  operations  in the way they would be reflected  had such
financial  statements been prepared in accordance with U.S.  generally  accepted
accounting  principles.  Most  foreign  securities  held by the Fund will not be
registered  with the SEC and such  issuers  thereof  will not be  subject to the
SEC's reporting  requirements.  Thus,  there will be less available  information
concerning  foreign  issuers of  securities  held by the Fund than is  available
concerning  U.S.  issuers.  In instances  where the  financial  statements of an
issuer are not deemed to  reflect  accurately  the  financial  situation  of the
issuer,  the  Adviser  will take  appropriate  steps to  evaluate  the  proposed
investment,  which may include on-site inspection of the issuer, interviews with
its  management  and   consultations   with   accountants,   bankers  and  other
specialists.  There is substantially less publicly  available  information about
foreign  companies  than there are  reports  and  ratings  published  about U.S.
companies and the U.S.  Government.  In addition,  where public  information  is
available, it may be less reliable than such information regarding U.S. issuers.

Foreign Currency Transactions. The foreign currency transactions of the Fund may
be conducted  on a spot (i.e.,  cash) basis at the spot rate for  purchasing  or
selling currency  prevailing in the foreign exchange market.  The Fund may enter
into forward foreign currency  contracts  involving  currencies of the different
countries in which it will invest as a hedge against possible  variations in the
foreign exchange rate between these currencies. Forward contracts are agreements
to purchase or sell a  specified  currency at a specified  future date and price
set at the time of the contract. The Fund's dealings in forward foreign currency
contracts will be limited to hedging either  specific  transactions or portfolio
positions.  The Fund may elect to hedge less than all of its  foreign  portfolio
positions.   The  Fund  will  not  engage  in   speculative   forward   currency
transactions.

If the Fund enters into a forward  contract to purchase  foreign  currency,  the
Fund will segregate  cash or liquid  securities,  of any type or maturity,  in a
separate  account in an amount  necessary to complete  forward  contract.  These
assets  will be  marked to  market  daily and if the value of the  assets in the
separate  account  declines,  additional  cash or liquid assets will be added so
that the value of the account will equal the amount of the Fund's commitments in
purchased forward contracts.


                                       5
<PAGE>


Hedging  against  a  decline  in the  value of a  currency  does  not  eliminate
fluctuations  in the prices of  portfolio  securities  or prevent  losses if the
prices  of  such  securities  decline.   Such  transactions  also  preclude  the
opportunity for gain if the value of the hedged currency should rise.  Moreover,
it may not be possible for the Fund to hedge  against a  devaluation  that is so
generally anticipated that the Fund is not able to contract to sell the currency
at a price above the devaluation level it anticipates.

The cost to the Fund of engaging in foreign  currency  transactions  varies with
such factors as the currency involved, the length of the contract period and the
market  conditions then prevailing.  Since  transactions in foreign currency are
usually conducted on a principal basis, no fees or commissions are involved.

Risks in Foreign  Securities.  Investments  in foreign  securities may involve a
greater  degree of risk than those in domestic  securities.  There is  generally
less  publicly  available  information  about  foreign  companies in the form of
reports and ratings  similar to those that are  published  about  issuers in the
United  States.  Also,  foreign  issuers  are  generally  not subject to uniform
accounting and auditing and financial reporting requirements comparable to those
applicable to United States issuers.

Because  foreign  securities may be  denominated  in currencies  other than U.S.
dollar,  changes in foreign  currency  exchange rates will affect the Fund's net
asset  value,  the value of  dividends  and  interest  earned,  gains and losses
realized on the sale of securities, and any net investment income and gains that
the Fund distributes to shareholders. Securities transactions undertaken in some
foreign markets may not be settled promptly,  so that the Fund's  investments on
foreign  exchanges  may be less  liquid and  subject to the risk of  fluctuating
currency exchange rates pending settlement.

Foreign  securities  will be purchased  in the best  available  market,  whether
through over-the-counter markets or exchanges located in the countries principal
offices of the issuers of the various securities are located. Foreign securities
markets are  generally  not as  developed  or  efficient  as those in the United
States. While growing in volume they usually have substantially less volume than
the New York Stock  Exchange,  and  securities of some foreign  issuers are less
liquid and more volatile than  securities of comparable  United States  issuers.
Fixed  commissions  on foreign  exchanges are generally  higher than  negotiated
commissions  on United  States  exchanges,  although  the Fund will  endeavor to
achieve the most favorable net results on its portfolio  transactions.  There is
generally less government  supervision  and regulation of securities  exchanges,
brokers and listed issuers than in the United States.

With respect to certain foreign  countries,  there is the possibility of adverse
changes  in  investment   or  exchange   control   regulations,   expropriation,
nationalization or confiscatory taxation, limitations on the removal of funds or
other  assets  of the  Fund,  political  or social  instability,  or  diplomatic
developments  which could affect United States  investments in those  countries.
Moreover,  individual foreign economies may differ favorably or unfavorably from
the United States' economy in terms of growth of gross national product, rate of
inflation,  capital  reinvestment,  resource  self-sufficiency  and  balance  of
payments position.


                                       6
<PAGE>


The  dividends,  interest and in some cases,  capital  gains  payable on certain
Fund's foreign  portfolio  securities  may be subject to foreign  withholding or
other foreign taxes,  thus reducing the net amount of income or gains  available
for distribution to the Fund's shareholders

Repurchase Agreements.  In a repurchase agreement the Fund buys a security for a
relatively short period (usually not more than 7 days) subject to the obligation
to sell it back to the issuer at a fixed time and price,  plus accrued interest.
The Fund will enter into  repurchase  agreements  only with member  banks of the
Federal Reserve System and with "primary dealers" in U.S. Government securities.
The Adviser will continuously  monitor the  creditworthiness of the parties with
whom the Fund enters into repurchase agreements.

The Fund has  established a procedure  providing that the securities  serving as
collateral  for  each  repurchase  agreement  must be  delivered  to the  Fund's
custodian  either  physically or in book-entry form and that the collateral must
be marked to market  daily to ensure  that each  repurchase  agreement  is fully
collateralized  at all times.  In the event of  bankruptcy or other default by a
seller  of  a  repurchase  agreement,   the  Fund  could  experience  delays  in
liquidating the underlying securities and could experience losses, including the
possible decline in the value of the underlying  securities during the period in
which the Fund seeks to enforce its rights thereto, possible subnormal levels of
income decline in value of the underlying securities or lack of access to income
during this period, as well as the expense of enforcing its rights.

Reverse Repurchase  Agreements.  The Fund may also enter into reverse repurchase
agreements  which  involve the sale of U.S.  Government  securities  held in its
portfolio to a bank with an agreement that the Fund will buy back the securities
at a fixed  future  date at a fixed  price plus an agreed  amount of  "interest"
which may be reflected in the repurchase price.  Reverse  repurchase  agreements
are  considered  to be  borrowings by the Fund.  Reverse  repurchase  agreements
involve the risk that the market value of securities  purchased by the Fund with
proceeds  of the  transaction  may  decline  below the  repurchase  price of the
securities  sold by the Fund which it is obligated to repurchase.  The Fund will
also  continue to be subject to the risk of a decline in the market value of the
securities sold under the agreements  because it will reacquire those securities
upon effecting  their  repurchase.  To minimize  various risks  associated  with
reverse repurchase  agreements,  the Fund will establish and maintain a separate
account consisting of liquid securities,  of any type or maturity,  in an amount
at least  equal to the  repurchase  prices of the  securities  (plus any accrued
interest thereon) under such agreements.  In addition,  the Fund will not borrow
money or  enter  into  reverse  repurchase  agreements  except  from  banks as a
temporary measure for extraordinary  emergency purposes in amounts not to exceed
33 1/3% of the Fund's  total assets  (including  the amount  borrowed)  taken at
market value. The Fund will not use leverage to attempt to increase income.  The
Fund will not purchase securities while outstanding  borrowings exceed 5% of the
Fund's total assets. The Fund will enter into reverse repurchase agreements only
with federally insured banks which are approved in advance as being creditworthy
by the Trustees.  Under procedures established by the Trustees, the Adviser will
monitor the creditworthiness of the banks involved.

Restricted Securities.  The Fund may purchase securities that are not registered
("restricted  securities")  under  the  Securities  Act of  1933  ("1933  Act"),
including  commercial  paper  issued in reliance on Section 4(2) of the 1933 Act
and securities offered and sold to "qualified  institutional  buyers" under Rule
144A  under the 1933  Act.  The Fund  will not  invest  more than 15% of its net
assets  in  illiquid  investments.  If  the  Trustees  determine,  based  upon a
continuing  review of the trading  markets for  specific  Section 4 (2) paper or
Rule 144A securities,  that they are liquid, they will not be subject to the 15%
limit on illiquid investments. The Trustees may adopt guidelines and delegate to
the Adviser the daily  function of  determining  and monitoring the liquidity of
restricted securities.  The Trustees,  however, will retain sufficient oversight
and  be  ultimately  responsible  for  the  determinations.  The  Trustees  will
carefully monitor the Fund's  investments in these securities,  focusing on such
important  factors,  among others,  as valuation,  liquidity and availability of
information.  This  investment  practice could have the effect of increasing the
level of illiquidity in the Fund if qualified  institutional buyers become for a
time uninterested in purchasing these restricted securities.


                                       7
<PAGE>


Options on Securities,  Securities  Indices and Currency.  The Fund may purchase
and write (sell) call and put options on any  securities in which it may invest,
on any  securities  index based on  securities  in which it may invest or on any
currency in which Fund  investments  may be  denominated.  These  options may be
listed on national domestic securities exchanges or foreign securities exchanges
or traded in the  over-the-counter  market.  The Fund may write  covered put and
call options and purchase put and call  options to enhance  total  return,  as a
substitute  for the purchase or sale of  securities  or currency,  or to protect
against declines in the value of portfolio  securities and against  increases in
the cost of securities to be acquired.

Writing Covered Options.  A call option on securities or currency written by the
Fund obligates the Fund to sell  specified  securities or currency to the holder
of the option at a specified price if the option is exercised at any time before
the expiration  date. A put option on securities or currency written by the Fund
obligates the Fund to purchase specified  securities or currency from the option
holder at a specified  price if the option is  exercised  at any time before the
expiration  date.  Options  on  securities  indices  are  similar  to options on
securities,  except that the exercise of securities  index options requires cash
settlement  payments  and  does  not  involve  the  actual  purchase  or sale of
securities. In addition,  securities index options are designed to reflect price
fluctuations in a group of securities or segment of the securities market rather
than price  fluctuations in a single security.  Writing covered call options may
deprive  the Fund of the  opportunity  to profit  from an increase in the market
price of the securities or foreign  currency  assets in its  portfolio.  Writing
covered put options  may  deprive the Fund of the  opportunity  to profit from a
decrease in the market price of the securities or foreign  currency assets to be
acquired for its portfolio.

All call and put options written by the Fund are covered.  A written call option
or put  option  may be covered  by (i)  maintaining  cash or liquid  securities,
either of which may be quoted or  denominated  in any currency,  in a segregated
account with a value at least equal to the Fund's  obligation  under the option,
(ii) entering into an offsetting  forward  commitment and/or (iii) purchasing an
offsetting  option or any other option which, by virtue of its exercise price or
otherwise,  reduces the Fund's net exposure on its written  option  position.  A
written  call option on  securities  is  typically  covered by  maintaining  the
securities that are subject to the option in a segregated account.  The Fund may
cover call  options  on a  securities  index by owning  securities  whose  price
changes are expected to be similar to those of the underlying index.

The Fund may  terminate  its  obligations  under an exchange  traded call or put
option by purchasing an option identical to the one it has written.  Obligations
under  over-the-counter  options  may be  terminated  only by  entering  into an
offsetting  transaction with the counterparty to such option. Such purchases are
referred to as "closing purchase transactions."

Purchasing   Options.   The  Fund  would  normally   purchase  call  options  in
anticipation  of an  increase,  or put  options  in  anticipation  of a decrease
("protective  puts") in the market value of securities or currencies of the type
in which it may invest. The Fund may also sell call and put options to close out
its purchased options.


                                       8
<PAGE>


The purchase of a call option would  entitle the Fund, in return for the premium
paid, to purchase  specified  securities or currency at a specified price during
the option period. The Fund would ordinarily realize a gain on the purchase of a
call  option if,  during  the option  period,  the value of such  securities  or
currency  exceeded  the  sum  of  the  exercise  price,  the  premium  paid  and
transaction costs;  otherwise the Fund would realize either no gain or a loss on
the purchase of the call option.

The purchase of a put option would entitle the Fund, in exchange for the premium
paid, to sell specified  securities or currency at a specified  price during the
option  period.  The purchase of protective  puts is designed to offset or hedge
against a decline in the market value of the Fund's portfolio  securities or the
currencies in which they are  denominated.  Put options may also be purchased by
the Fund for the purpose of affirmatively benefiting from a decline in the price
of  securities or  currencies  which it does not own. The Fund would  ordinarily
realize  a gain if,  during  the  option  period,  the  value of the  underlying
securities or currency  decreased below the exercise price sufficiently to cover
the premium and  transaction  costs;  otherwise the Fund would realize either no
gain or a loss on the  purchase  of the put  option.  Gains  and  losses  on the
purchase of put options may be offset by countervailing  changes in the value of
the Fund's portfolio securities.

The Fund's options  transactions  will be subject to limitations  established by
each of the exchanges, boards of trade or other trading facilities on which such
options are traded.  These  limitations  govern the maximum number of options in
each class which may be written or  purchased  by a single  investor or group of
investors  acting in concert,  regardless  of whether the options are written or
purchased on the same or different  exchanges,  boards of trade or other trading
facilities or are held or written in one or more accounts or through one or more
brokers. Thus, the number of options which the Fund may write or purchase may be
affected by options written or purchased by other investment advisory clients of
the Adviser. An exchange, board of trade or other trading facility may order the
liquidation  of  positions  found to be in  excess of these  limits,  and it may
impose certain other sanctions.

Risks Associated with Options Transactions.  There is no assurance that a liquid
secondary  market on a domestic or foreign  options  exchange will exist for any
particular  exchange-traded  option or at any  particular  time.  If the Fund is
unable to effect a closing purchase  transaction with respect to covered options
it has written,  the Fund will not be able to sell the underlying  securities or
currencies  or dispose of assets held in a segregated  account until the options
expire or are  exercised.  Similarly,  if the Fund is unable to effect a closing
sale  transaction  with  respect to options it has  purchased,  it would have to
exercise  the options in order to realize any profit and will incur  transaction
costs upon the purchase or sale of underlying securities or currencies.

Reasons for the absence of a liquid  secondary market on an exchange include the
following:  (i) there may be insufficient  trading  interest in certain options;
(ii)  restrictions  may be imposed by an  exchange  on opening  transactions  or
closing  transactions  or  both;  (iii)  trading  halts,  suspensions  or  other
restrictions  may be imposed  with  respect to  particular  classes or series of
options;   (iv)  unusual  or  unforeseen   circumstances  may  interrupt  normal
operations  on an  exchange;  (v) the  facilities  of an exchange or the Options
Clearing  Corporation may not at all times be adequate to handle current trading
volume;  or (vi) one or more  exchanges  could,  for economic or other  reasons,
decide or be compelled at some future date to discontinue the trading of options
(or a particular class or series of options). If trading were discontinued,  the
secondary  market on that exchange (or in that class or series of options) would
cease to exist.  However,  outstanding  options on that  exchange  that had been
issued  by the  Options  Clearing  Corporation  as a result  of  trades  on that
exchange would continue to be exercisable in accordance with their terms.


                                       9
<PAGE>


The Fund's  ability to terminate  over-the-counter  options is more limited than
with  exchange-traded  options  and may  involve  the risk  that  broker-dealers
participating  in such  transactions  will not fulfill  their  obligations.  The
Adviser  will  determine  the  liquidity  of  each  over-the-counter  option  in
accordance with guidelines adopted by the Trustees

The  writing  and  purchase of options is a highly  specialized  activity  which
involves  investment  techniques and risks different from those  associated with
ordinary  portfolio  securities  transactions.  The  successful  use of  options
depends in part on the Adviser's  ability to predict  future price  fluctuations
and, for hedging transactions, the degree of correlation between the options and
securities or currency markets.

Futures  Contracts and Options on Futures  Contracts.  To seek to increase total
return or hedge against changes in securities prices or currency exchange rates,
the Fund may purchase and sell various kinds of futures contracts,  and purchase
and write call and put  options on these  futures  contracts.  The Fund may also
enter into closing purchase and sale  transactions  with respect to any of these
contracts and options. The futures contracts may be based on various securities,
securities indices,  foreign currencies and any other financial  instruments and
indices.  All futures  contracts  entered into by the Fund are traded on U.S. or
foreign exchanges or boards of trade that are licensed, regulated or approved by
the Commodity Futures Trading Commission ("CFTC").

Futures Contracts. A futures contract may generally be described as an agreement
between  two  parties  to buy  and  sell  particular  financial  instruments  or
currencies  for an agreed  price  during a  designated  month (or to deliver the
final cash settlement  price, in the case of a contract  relating to an index or
otherwise  not  calling  for  physical  delivery  at the end of  trading  in the
contract).

Positions taken in the futures markets are not normally held to maturity but are
instead liquidated through offsetting  transactions which may result in a profit
or a loss.  While  futures  contracts on  securities or currency will usually be
liquidated in this manner,  the Fund may instead make, or take,  delivery of the
underlying securities or currency whenever it appears economically  advantageous
to do so. A clearing  corporation  associated with the exchange on which futures
contracts are traded  guarantees  that, if still open, the sale or purchase will
be performed on the settlement date.

Hedging  and Other  Strategies.  Hedging is an attempt  to  establish  with more
certainty than would otherwise be possible the effective price or rate of return
on portfolio  securities or securities  that the Fund proposes to acquire or the
exchange  rate of  currencies  in  which  portfolio  securities  are  quoted  or
denominated.  When securities prices are falling,  the Fund can seek to offset a
decline in the value of its  current  portfolio  securities  through the sale of
futures  contracts.  When securities  prices are rising,  the Fund,  through the
purchase of futures contracts, can attempt to secure better rates or prices than
might later be  available in the market when it effects  anticipated  purchases.
The Fund may seek to offset  anticipated  changes in the value of a currency  in
which its portfolio securities,  or securities that it intends to purchase,  are
quoted or  denominated  by  purchasing  and selling  futures  contracts  on such
currencies.

The Fund may,  for  example,  take a "short"  position in the futures  market by
selling futures contracts in an attempt to hedge against an anticipated  decline
in market  prices or foreign  currency  rates that  would  adversely  affect the
dollar value of the Fund's  portfolio  securities.  Such futures  contracts  may
include  contracts  for the future  delivery of  securities  held by the Fund or
securities  with  characteristics  similar  to  those  of the  Fund's  portfolio
securities.  Similarly, the Fund may sell futures contracts on any currencies in
which its portfolio  securities  are quoted or denominated or in one currency to
hedge against fluctuations in the value of securities denominated in a different
currency if there is an established  historical  pattern of correlation  between
the two currencies.


                                       10
<PAGE>


If, in the opinion of the Adviser,  there is a sufficient  degree of correlation
between price trends for the Fund's portfolio  securities and futures  contracts
based on other financial  instruments,  securities indices or other indices, the
Fund may also enter into such futures contracts as part of its hedging strategy.
Although under some  circumstances  prices of securities in the Fund's portfolio
may be more or less volatile than prices of such futures contracts,  the Adviser
will  attempt to  estimate  the extent of this  volatility  difference  based on
historical patterns and compensate for any differential by having the Fund enter
into a greater or lesser number of futures contracts or by attempting to achieve
only a partial  hedge  against  price  changes  affecting  the Fund's  portfolio
securities.

When a short hedging  position is successful,  any  depreciation in the value of
portfolio  securities will be substantially  offset by appreciation in the value
of the futures position.  On the other hand, any  unanticipated  appreciation in
the value of the Fund's portfolio  securities would be substantially offset by a
decline in the value of the futures position.

On other  occasions,  the Fund may take a "long" position by purchasing  futures
contracts.  This  would be done,  for  example,  when the Fund  anticipates  the
subsequent purchase of particular securities when it has the necessary cash, but
expects the prices or currency  exchange  rates then available in the applicable
market to be less favorable than prices that are currently  available.  The Fund
may  also  purchase  futures  contracts  as a  substitute  for  transactions  in
securities or foreign currency,  to alter the investment  characteristics  of or
currency  exposure  associated with portfolio  securities or to gain or increase
its exposure to a particular securities market or currency.

Options on Futures Contracts. The Fund may purchase and write options on futures
for the same purposes as its transactions in futures contracts.  The purchase of
put and call options on futures  contracts will give the Fund the right (but not
the obligation) for a specified price to sell or to purchase,  respectively, the
underlying  futures  contract  at any time  during  the  option  period.  As the
purchaser  of an option on a futures  contract,  the Fund obtains the benefit of
the futures position if prices move in a favorable direction but limits its risk
of loss in the event of an unfavorable price movement to the loss of the premium
and transaction costs.

The writing of a call option on a futures contract generates a premium which may
partially offset a decline in the value of the Fund's assets.  By writing a call
option, the Fund becomes  obligated,  in exchange for the premium (upon exercise
of the option) to sell a futures contract if the option is exercised,  which may
have a value higher than the exercise  price.  Conversely,  the writing of a put
option on a futures  contract  generates a premium which may partially offset an
increase in the price of securities that the Fund intends to purchase.  However,
the Fund becomes  obligated  (upon exercise of the option) to purchase a futures
contract  if the  option is  exercised,  which may have a value  lower  than the
exercise  price.  The loss incurred by the Fund in writing options on futures is
potentially unlimited and may exceed the amount of the premium received.

The  holder or writer of an option  on a  futures  contract  may  terminate  its
position by selling or purchasing an offsetting option of the same series. There
is no guarantee  that such  closing  transactions  can be  effected.  The Fund's
ability to establish  and close out positions on such options will be subject to
the development and maintenance of a liquid market.


                                       11
<PAGE>


Other  Considerations.  The Fund will  engage in  futures  and  related  options
transactions  either for bona fide hedging purposes or to seek to increase total
return as  permitted by the CFTC.  To the extent that the Fund is using  futures
and related  options for hedging  purposes,  futures  contracts  will be sold to
protect  against a decline in the price of securities  (or the currency in which
they are quoted or denominated)  that the Fund owns or futures contracts will be
purchased to protect the Fund against an increase in the price of securities (or
the  currency in which they are quoted or  denominated)  it intends to purchase.
The Fund will determine that the price fluctuations in the futures contracts and
options on futures used for hedging purposes are substantially  related to price
fluctuations in securities  held by the Fund or securities or instruments  which
it expects to purchase. As evidence of its hedging intent, the Fund expects that
on 75% or more of the  occasions  on  which it takes a long  futures  or  option
position  (involving  the  purchase  of futures  contracts),  the Fund will have
purchased,  or will be in the  process  of  purchasing,  equivalent  amounts  of
related  securities (or assets  denominated in the related currency) in the cash
market at the time when the futures or option  position is closed out.  However,
in particular cases, when it is economically advantageous for the Fund to do so,
a long futures  position may be terminated  or an option may expire  without the
corresponding purchase of securities or other assets.

To the  extent  that the Fund  engages  in  nonhedging  transactions  in futures
contracts  and options on futures,  the  aggregate  initial  margin and premiums
required to establish these  nonhedging  positions will not exceed 5% of the net
asset  value of the Fund's  portfolio,  after  taking  into  account  unrealized
profits and losses on any such  positions and excluding the amount by which such
options  were  in-the-money  at the time of  purchase.  The Fund will  engage in
transactions  in futures  contracts and related  options only to the extent such
transactions  are consistent with the  requirements of the Internal Revenue Code
of 1986,  as amended (the  "Code"),  for  maintaining  its  qualifications  as a
regulated investment company for federal income tax purposes.

Transactions  in futures  contracts  and  options on futures  involve  brokerage
costs,  require  margin  deposits  and,  in the case of  contracts  and  options
obligating the Fund to purchase  securities or  currencies,  require the Fund to
establish a segregated  account  consisting  of cash or liquid  securities in an
amount equal to the underlying value of such contracts and options.

While  transactions  in futures  contracts  and  options  on futures  may reduce
certain risks,  these  transactions  themselves  entail certain other risks. For
example, unanticipated changes in interest rates or securities prices may result
in a poorer overall performance for the Fund than if it had not entered into any
futures contracts or options transactions.

Perfect correlation between the Fund's futures positions and portfolio positions
will be impossible to achieve. In the event of an imperfect  correlation between
a futures  position and a portfolio  position which is intended to be protected,
the desired  protection  may not be obtained and the Fund may be exposed to risk
of loss.  In  addition,  it is not  possible to hedge  fully or protect  against
currency fluctuations  affecting the value of securities  denominated in foreign
currencies  because the value of such  securities  is likely to  fluctuate  as a
result of independent factors not related to currency fluctuations.

Some futures  contracts or options on futures may become  illiquid under adverse
market conditions. In addition, during periods of market volatility, a commodity
exchange may suspend or limit trading in a futures  contract or related  option,
which may make the  instrument  temporarily  illiquid  and  difficult  to price.
Commodity exchanges may also establish daily limits on the amount that the price
of a  futures  contract  or  related  option  can vary from the  previous  day's
settlement  price.  Once the daily limit is reached,  no trades may be made that
day at a price  beyond the limit.  This may  prevent  the Fund from  closing out
positions and limiting its losses.


                                       12
<PAGE>


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 and money market
funds.  When the  Fund  lends  portfolio  securities,  there is a risk  that the
borrower may fail to return the  securities  involved in the  transaction.  As a
result, the Fund may incur a loss or, in the event of the borrower's bankruptcy,
the Fund 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.

Rights  and  Warrants.  The Fund may  purchase  warrants  and  rights  which are
securities  permitting,  but  not  obligating,  their  holder  to  purchase  the
underlying securities at a predetermined price, subject to the Fund's Investment
Restrictions.  Generally,  warrants and stock purchase  rights do not carry with
them the right to receive  dividends or exercise  voting  rights with respect to
the underlying securities, and they do not represent any rights in the assets of
the issuer.  As a result, an investment in warrants and rights may be considered
to entail greater  investment risk than certain other types of  investments.  In
addition,  the value of warrants and rights does not necessarily change with the
value of the underlying securities, and they cease to have value if they are not
exercised  on or prior to their  expiration  date.  Investment  in warrants  and
rights increases the potential profit or loss to be realized from the investment
of a given  amount of the Fund's  assets as  compared  with  investing  the same
amount in the underlying stock.

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

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

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


                                       13
<PAGE>


Short-Term Trading and Portfolio Turnover. Short-term trading means the purchase
and subsequent sale of a security after it has been held for a relatively  brief
period of time.  The Fund does not intend to invest  for the  purpose of seeking
short-term profits.  The Fund's particular  portfolio securities may be changed,
however,  without  regard to the  holding  period of these  securities  when the
Adviser  deems that this action will help achieve the Fund's  objective  given a
change in an issuer's operations or in general market conditions.

The portfolio  turnover rate for the Fund is shown in the section captioned "The
Funds' Financial  Highlights." In the future,  the estimated  portfolio turnover
rate of the Fund is expected to be less than 100%.

INVESTMENT RESTRICTIONS

Fundamental Investment Restrictions.  The following investment restrictions will
not be changed  without the  approval  of a majority  of the Fund's  outstanding
voting  securities  which,  as used in the  Prospectus  and  this  Statement  of
Additional  Information  means the  approval by the lesser of (1) the holders of
67% or more of the Fund's  shares  represented  at a meeting if more than 50% of
the Fund's  outstanding shares are present in person or by proxy at that meeting
or (2) more than 50% of the Fund's outstanding shares.

The Fund may not:

(1)      Purchase or sell real estate or any interest  therein,  except that the
         Fund may invest in  securities  of corporate  entities  secured by real
         estate or  marketable  interests  therein or issued by  companies  that
         invest in real estate or interests therein.

(2)      Make loans,  except that the Fund (1) may lend portfolio  securities in
         accordance  with the Fund's  investment  policies  up to 33 1/3% of the
         Fund's total assets taken at market  value,  (2) enter into  repurchase
         agreements,  (3)  purchase  all or a portion  of  securities  issued or
         guaranteed by the U.S. Government or its agencies or instrumentalities,
         bank  loan  participation  interests,  bank  certificates  of  deposit,
         bankers'  acceptances,  debentures or other securities,  whether or not
         the purchase is made upon the original  issuance of the  securities  or
         (4) make such other loans as may be permitted by a regulation  or order
         of the Securities and Exchange Commission.

(3)      Invest in  commodities or in commodity  contracts  other than financial
         derivative   contracts.   Financial  derivatives  include  options  and
         warrants  on  securities,   securities  indices,   currency  and  other
         financial  instruments;  futures  contracts on  securities,  securities
         indices,  currency  and other  financial  instruments;  options on such
         futures  contracts;  forward  commitments;   forward  foreign  currency
         exchange  contracts;  interest rate or currency  swaps,  caps,  floors,
         collars  or  swaptions;  and  repurchase  agreements  entered  into  in
         accordance with the Fund's investment policies.

(4)      Act as an  underwriter,  except to the extent that, in connection  with
         the disposition of portfolio  securities,  the Fund may be deemed to be
         an underwriter for purposes of the Securities Act of 1933.

(5)      Borrow money or issue senior securities, except to the extent permitted
         by the Investment Company Act of 1940 or any regulation or order of the
         Securities  and  Exchange  Commission.  As a matter of  non-fundamental
         policy,  the  Fund  may  not  purchase   securities  while  outstanding
         borrowings exceed 5% of the Fund's total assets.


                                       14
<PAGE>


(6)      Purchase the securities of issuers  conducting their principal business
         activity in the same industry if, immediately after such purchase,  the
         value of its  investments in such industry would equal or exceed 25% of
         its total assets.  This  limitation  does not apply to  investments  in
         obligations  of  the  U.S.   Government  or  any  of  its  agencies  or
         instrumentalities.

Non-fundamental Investment Restrictions

The following  restrictions are designated as non-fundamental and may be changed
by the Trustees without shareholder approval.

The Fund may not:

(a)      Purchase  securities  on margin  except  that the Fund may obtain  such
         short-term  credits as may be necessary for the clearance of securities
         transactions.

(b)      Invest for the purpose of exercising control over or management of any
         company.

(c)      Invest more than 15% of its net assets in illiquid securities.

(d)      Purchase a security if, as a result, (i) more than 10% of the
         Fund's total assets would be invested in securities of other investment
         companies, (ii) such purchase would result in more than 3% of the total
         outstanding voting securities of any one investment company being held
         by the Fund, or (iii) more than 5% of the Fund's total assets would be
         invested in the securities of any one such investment company. These
         limitation do not apply to (a) the investment of cash collateral
         received by the Fund in connection with lending the Fund's portfolio
         securities, in the securities of open-end investment companies or (b)
         the purchase of shares of any investment company in connection with a
         merger, consolidation, reorganization or purchase of substantially all
         of the assets of another investment company. Subject to these
         limitations, the Fund may, in connection with the John Hancock Group of
         Funds Deferred Compensation Plan for Independent Trustees/Directors,
         purchase securities of other investment companies within the John
         Hancock Group of Funds.

If a percentage  restriction on investment or utilization of assets as set forth
above  is  adhered  to at the time an  investment  is made,  a later  change  in
percentage resulting from changes in the values of the Fund's assets will not be
considered a violation of the restriction.

The Fund is also subject to other  investment  restriction  in  accordance  with
federal and state laws. For example,  the Fund may not purchase securities of an
issuer (other than the U.S. Government,  its agencies or instrumentalities),  to
an extent  inconsistent with the Fund's  diversified status under the Investment
Company Act of 1940.

THOSE RESPONSIBLE FOR MANAGEMENT

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

                                       15
<PAGE>

<TABLE>
<CAPTION>


                                         Positions Held                         Principal Occupation(s)
Name and Address                         With the Company                       During the Past Five Years
- ----------------                         ----------------                       --------------------------
      <S>                                      <C>                                         <C>

Edward J. Boudreau, Jr. *                Trustee, Chairman and Chief            Chairman, Director and Chief
101 Huntington Avenue                    Executive Officer (1, 2)               Executive Officer, the Adviser;
Boston, MA  02199                                                               Chairman, Director and Chief
October 1944                                                                    Executive Officer, The Berkeley
                                                                                Financial Group, Inc. ("The
                                                                                Berkeley Group"); Chairman and
                                                                                Director, NM Capital Management,
                                                                                Inc. ("NM Capital"), John Hancock
                                                                                Advisers International Limited
                                                                                ("Advisers International") and
                                                                                Sovereign Asset Management
                                                                                Corporation ("SAMCorp"); Chairman
                                                                                and Chief Executive Officer, John
                                                                                Hancock Funds, Inc. ("John Hancock
                                                                                Funds"); Chairman, First Signature
                                                                                Bank and Trust Company; Director,
                                                                                John Hancock Insurance Agency, Inc.
                                                                                ("Insurance Agency, Inc."), John
                                                                                Hancock Advisers International
                                                                                (Ireland) Limited ("International
                                                                                Ireland"), John Hancock Capital
                                                                                Corporation and New England/Canada
                                                                                Business Council; Member,
                                                                                Investment Company Institute Board
                                                                                of Governors; Director, Asia
                                                                                Strategic Growth Fund, Inc.;
                                                                                Trustee, Museum of Science;
                                                                                Director, John Hancock Freedom
                                                                                Securities Corporation (until
                                                                                September 1996); Director, John
                                                                                Hancock Signature Services, Inc.
                                                                                ("Signature Services") (until
                                                                                January 1997).


- -------------------
*    Trustee may be deemed to be an "interested person" of the Fund as defined
     in the Investment Company  Act of 1940.
(1)  Member of the Executive Committee.  The Executive Committee may generally
     exercise most of the powers of the Board of Trustees.
(2)  A member of the Investment Committee of the Adviser.


                                       16
<PAGE>



                                         Positions Held                         Principal Occupation(s)
Name and Address                         With the Company                       During the Past Five Years
- ----------------                         ----------------                       --------------------------
      <S>                                      <C>                                         <C>

Stephen L. Brown*                        Trustee                                Chairman and Chief Executive
John Hancock Place                                                              Officer, John Hancock Mutual Life
P.O. Box 111                                                                    Insurance Company; Director, the
Boston, MA 02117                                                                Adviser, John Hancock Funds,
July 1937                                                                       Insurance Agency, John Hancock
                                                                                Subsidiaries, Inc., The Berkeley
                                                                                Group, Federal Reserve Bank of
                                                                                Boston, Signature Services (until
                                                                                January 1997;) Trustee, John
                                                                                Hancock Asset Management (until
                                                                                March 1997).


James F. Carlin                          Trustee                                Chairman and CEO, Carlin
233 West Central Street                                                         Consolidated, Inc.
Natick, MA 01760                                                                (management/investments); Director,
April 1940                                                                      Arbella Mutual (insurance), Health
                                                                                Plan Services, Inc., Massachusetts
                                                                                Health and Education Tax Exempt
                                                                                Trust, Flagship Healthcare, Inc.,
                                                                                Carlin Insurance Agency, Inc., West
                                                                                Insurance Agency, Inc. (until May
                                                                                1995), Uno Restaurant Corp.;
                                                                                Chairman, Massachusetts Board of
                                                                                Higher Education (until July 1999).


- -------------------
*    Trustee may be deemed to be an "interested person" of the Fund as defined
     in the Investment Company  Act of 1940.
(1)  Member of the Executive Committee.  The Executive Committee may generally
     exercise most of the powers of the Board of Trustees.
(2)  A member of the Investment Committee of the Adviser.



                                       17
<PAGE>



                                         Positions Held                         Principal Occupation(s)
Name and Address                         With the Company                       During the Past Five Years
- ----------------                         ----------------                       --------------------------
      <S>                                      <C>                                         <C>

William H. Cunningham                    Trustee                                Chancellor, University of Texas
601 Colorado Street                                                             System and former President of the
O'Henry Hall                                                                    University of Texas, Austin, Texas;
Austin, TX 78701                                                                Lee Hage and Joseph D. Jamail
January 1944                                                                    Regents Chair of Free Enterprise;
                                                                                Director, LaQuinta Motor Inns, Inc.
                                                                                (hotel management company)
                                                                                (1985-1998); Jefferson-Pilot
                                                                                Corporation (diversified life
                                                                                insurance company) and LBJ
                                                                                Foundation Board (education
                                                                                foundation); Advisory Director,
                                                                                Chase Bank (formerly Texas Commerce
                                                                                Bank - Austin).


Ronald R. Dion                           Trustee                                President and Chief Executive
250 Boylston Street                                                             Officer, R.M. Bradley &  Co., Inc.;
Boston, MA 02116                                                                Director, The New England Council
March 1946                                                                      and Massachusetts Roundtable;
                                                                                Trustee, North Shore Medical Center
                                                                                and a corporator of the Eastern
                                                                                Bank; Trustee, Emmanuel College.


Harold R. Hiser, Jr.                     Trustee                                Executive Vice President,
123 Highland Avenue                                                             Schering-Plough Corporation
Short Hill, NJ  07078                                                           (pharmaceuticals) (retired 1996);
October 1931                                                                    Director, ReCapital Corporation
                                                                                (reinsurance) (until 1995).

- -------------------
*    Trustee may be deemed to be an "interested person" of the Fund as defined
     in the Investment Company  Act of 1940.
(1)  Member of the Executive Committee.  The Executive Committee may generally
     exercise most of the powers of the Board of Trustees.
(2)  A member of the Investment Committee of the Adviser.


                                       18
<PAGE>



                                         Positions Held                         Principal Occupation(s)
Name and Address                         With the Company                       During the Past Five Years
- ----------------                         ----------------                       --------------------------
      <S>                                      <C>                                         <C>

Anne C. Hodsdon *                        Trustee and President (1,2)            President, Chief Operating Officer,
101 Huntington Avenue                                                           Chief Investment Officer and
Boston, MA  02199                                                               Director, the Adviser, The Berkeley
August 1953                                                                     Group; Executive Vice President and
                                                                                Director, John Hancock Funds;
                                                                                Director, Advisers International,
                                                                                Insurance Agency, Inc. and
                                                                                International Ireland; President and
                                                                                Director, SAMCorp. and NM Capital;
                                                                                Executive Vice President, the
                                                                                Adviser (until December 1994);
                                                                                Director, Signature Services (until
                                                                                January 1997).

Charles L. Ladner                        Trustee                                Senior Vice President and Chief
UGI Corporation                                                                 Financial Officer, UGI Corporation
P.O. Box 858                                                                    (Public Utility Holding Company)
Valley Forge, PA  19482                                                         (retired 1998); Vice President and
February 1938                                                                   Director for AmeriGas, Inc. (retired
                                                                                1998); Vice President of AmeriGas
                                                                                Partners, L.P. (until 1997);
                                                                                Director, EnergyNorth, Inc. (until
                                                                                1995).
- -------------------
*    Trustee may be deemed to be an "interested person" of the Fund as defined
     in the Investment Company  Act of 1940.
(1)  Member of the Executive Committee.  The Executive Committee may generally
     exercise most of the powers of the Board of Trustees.
(2)  A member of the Investment Committee of the Adviser.


                                       19
<PAGE>



                                         Positions Held                         Principal Occupation(s)
Name and Address                         With the Company                       During the Past Five Years
- ----------------                         ----------------                       --------------------------
      <S>                                      <C>                                         <C>

Leo E. Linbeck, Jr.                      Trustee                                Chairman, President, Chief Executive
3810 W. Alabama                                                                 Officer and Director, Linbeck
Houston, TX 77027                                                               Corporation (a holding company
August 1934                                                                     engaged in various phases of the
                                                                                construction industry and
                                                                                warehousing interests); Former
                                                                                Chairman, Federal Reserve Bank of
                                                                                Dallas (1992, 1993); Chairman of
                                                                                the Board, Linbeck Construction
                                                                                Corporation; Director, Duke Energy
                                                                                Corporation (a diversified energy
                                                                                company), Daniel Industries, Inc.
                                                                                (manufacturer of gas measuring
                                                                                products and energy related
                                                                                equipment), GeoQuest International
                                                                                Holdings, Inc. (a geophysical
                                                                                consulting firm); Director, Greater
                                                                                Houston Partnership.


Steven R. Pruchansky                     Trustee (1)                            Director and President, Mast
4327 Enterprise Avenue                                                          Holdings, Inc. (since 1991);
Naples, FL  34104                                                               Director, First Signature Bank &
August 1944                                                                     Trust Company (until August 1991);
                                                                                Director, Mast Realty Trust (until
                                                                                1994); President, Maxwell Building
                                                                                Corp. (until 1991).

- -------------------
*    Trustee may be deemed to be an "interested person" of the Fund as defined
     in the Investment Company  Act of 1940.
(1)  Member of the Executive Committee.  The Executive Committee may generally
     exercise most of the powers of the Board of Trustees.
(2)  A member of the Investment Committee of the Adviser.



                                       20
<PAGE>



                                         Positions Held                         Principal Occupation(s)
Name and Address                         With the Company                       During the Past Five Years
- ----------------                         ----------------                       --------------------------
      <S>                                      <C>                                         <C>

Richard S. Scipione *                    Trustee (1)                            General Counsel, John Hancock Mutual
John Hancock Place                                                              Life Insurance Company; Director,
P.O. Box 111                                                                    the Adviser, John Hancock Funds,
Boston, MA  02117                                                               Signator Investors, Inc., Insurance
August 1937                                                                     Agency, Inc., John Hancock
                                                                                Subsidiaries, Inc., SAMCorp. and NM
                                                                                Capital; The Berkeley Group; JH
                                                                                Networking Insurance Agency, Inc.;
                                                                                Signature Services (until January
                                                                                1997).

Norman H. Smith                          Trustee                                Lieutenant General, United States
243 Mt. Oriole Lane                                                             Marine Corps; Deputy Chief of Staff
Linden, VA  22642                                                               for Manpower and Reserve Affairs,
March 1933                                                                      Headquarters Marine Corps;
                                                                                Commanding General III Marine
                                                                                Expeditionary Force/3rd Marine
                                                                                Division (retired 1991).

- -------------------
*    Trustee may be deemed to be an "interested person" of the Fund as defined
     in the Investment Company  Act of 1940.
(1)  Member of the Executive Committee.  The Executive Committee may generally
     exercise most of the powers of the Board of Trustees.
(2)  A member of the Investment Committee of the Adviser.



                                       21
<PAGE>


                                         Positions Held                         Principal Occupation(s)
Name and Address                         With the Company                       During the Past Five Years
- ----------------                         ----------------                       --------------------------
      <S>                                      <C>                                         <C>

John P. Toolan                           Trustee                                Director, The Smith Barney Muni Bond
13 Chadwell Place                                                               Funds, The Smith Barney Tax-Free
Morristown, NJ  07960                                                           Money Funds, Inc., Vantage Money
September 1930                                                                  Market Funds (mutual funds), The
                                                                                Inefficient-Market Fund, Inc.
                                                                                (closed-end investment company) and
                                                                                Smith Barney Trust Company of
                                                                                Florida; Chairman, Smith Barney
                                                                                Trust Company (retired December,
                                                                                1991); Director, Smith Barney,
                                                                                Inc., Mutual Management Company and
                                                                                Smith Barney Advisers, Inc.
                                                                                (investment advisers) (retired
                                                                                1991); Senior Executive Vice
                                                                                President, Director and member of
                                                                                the Executive Committee, Smith
                                                                                Barney, Harris Upham & Co.,
                                                                                Incorporated (investment bankers)
                                                                                (until 1991).


Osbert M. Hood                           Senior Vice President and Chief        Senior Vice President , Chief
101 Huntington Avenue                    Financial Officer                      Financial Officer and Treasurer, the
Boston, MA  02199                                                               Adviser, the Berkeley Group and John
August 1952                                                                     Hancock Funds, Inc.; Vice President
                                                                                and Chief Financial Officer, John
                                                                                Hancock Mutual Life Insurance
                                                                                Company Retail Sector (until 1997).

- -------------------
*    Trustee may be deemed to be an "interested person" of the Fund as defined
     in the Investment Company  Act of 1940.
(1)  Member of the Executive Committee.  The Executive Committee may generally
     exercise most of the powers of the Board of Trustees.
(2)  A member of the Investment Committee of the Adviser.


                                       22
<PAGE>


                                         Positions Held                         Principal Occupation(s)
Name and Address                         With the Company                       During the Past Five Years
- ----------------                         ----------------                       --------------------------
      <S>                                      <C>                                         <C>

John A. Morin                            Vice President                         Vice President and Secretary, the
101 Huntington Avenue                                                           Adviser, The Berkeley Group,
Boston, MA  02199                                                               Signature Services, John Hancock
July 1950                                                                       Funds, NM Capital and SAMCorp.;
                                                                                Clerk, Insurance Agency, Inc.;
                                                                                Counsel, John Hancock Mutual Life
                                                                                Insurance Company (until February
                                                                                1996).


Susan S. Newton                          Vice President and Secretary           Vice President, the Adviser; John
101 Huntington Avenue                                                           Hancock Funds, Signature Services
Boston, MA  02199                                                               and The Berkeley Group.
March 1950

James J. Stokowski                       Vice President, Treasurer and Chief    Vice President, the Adviser.
101 Huntington Avenue                    Accounting Officer
Boston, MA  02199
November 1946


- -------------------
*    Trustee may be deemed to be an "interested person" of the Fund as defined
     in the Investment Company  Act of 1940.
(1)  Member of the Executive Committee.  The Executive Committee may generally
     exercise most of the powers of the Board of Trustees.
(2)  A member of the Investment Committee of the Adviser.
</TABLE>



                                       23
<PAGE>


The following table provides information  regarding the compensation paid by the
Fund and the other investment  companies in the John Hancock Fund Complex to the
Independent Trustees for their services.  Messrs.  Boudreau,  Brown and Scipione
and Ms. Hodsdon, each a non-Independent Trustee, and each of the officers of the
Trust are interested persons of the Adviser,  are compensated by the Adviser and
received no compensation from the Funds for their services.

                                                       Total
                                                       Compensation
                                                       from all Funds in
                                Aggregate              John Hancock
                                Compensation           Fund Complex to
Trustees                        from the Fund(1)       Trustees (2)
- --------                        ----------------       ------------

James F. Carlin                       $--                $ 74,000
William H. Cunningham*                 --                  74,000
Ronald R. Dion                         --                  18,500
Charles F. Fretz                       --                  57,121
Harold R. Hiser, Jr.*                  --                  70,000
Charles L. Ladner                      --                  77,100
Leo E. Linbeck, Jr.                    --                  74,000
Patricia P. McCarter                   --                  43,696
Steven R. Pruchansky                   --                  77,100
Norman H. Smith                        --                  79,350
John P. Toolan*                        --                  77,100
                                     ----                --------
Total                                 $--                $721,967

      (1)    Compensation is for fiscal year ended October 31, 1998.


      (2)    Total  compensation  paid by the John  Hancock  Fund Complex to the
             Independent  Trustees is for the calendar  year ended  December 31,
             1998 As of that  date,  there  were  sixty-seven  funds in the John
             Hancock  Fund  Complex,  with  each of these  Independent  Trustees
             serving on thirty three funds.


      (*)    As of December 31, 1998 the value of the aggregate accrued deferred
             compensation  from all Funds in the John  Hancock  fund complex for
             Mr.  Cunningham  was $320,943 for Mr. Hiser was  $115,084,  for Ms.
             McCarter was  $183,645,  for Mr.  Purchansky  was $75,016,  for Mr.
             Smith was $109,807 and for Mr.  Toolan was $403,714  under the John
             Hancock Deferred  Compensation  Plan for Independent  Trustees (the
             "Plan").

All of the officers listed are officers or employees of the Adviser,  Subadviser
or Affiliated Companies.  Some of the Trustees and officers may also be officers
and/or  Trustees and/or Trustees of one or more of the other funds for which the
Adviser serves as investment adviser.

INVESTMENT ADVISORY AND OTHER SERVICES

The Adviser, located at 101 Huntington Avenue, Boston, Massachusetts 02199-7603,
was  organized in 1968 and has more than $30 billion in assets under  management
in its  capacity  as  investment  adviser  to the Fund and the  other  funds and
publicly traded investment  companies in the John Hancock group of funds as well
as institutional  accounts. The Adviser is an affiliate of the Life Company, one
of the most recognized and respected financial  institutions in the nation. With
total assets under management of more than $100 billion, the Life Company is one
of the ten largest life insurance  companies in the United States, and carries a
high rating  with  Standard & Poor's and A. M. Best.  Founded in 1862,  the Life
Company has been serving clients for over 130 years.


                                       24
<PAGE>


The Fund has entered  into an  investment  management  contract  (the  "Advisory
Agreement")  with the Adviser  which was  approved  by the Fund's  shareholders.
Pursuant to the Advisory Agreement,  the Adviser will: (a) furnish  continuously
an  investment  program  for the  Fund and  determine,  subject  to the  overall
supervision and review of the Trustees,  which investments  should be purchased,
held,  sold or exchanged,  and (b) provide  supervision  over all aspects of the
Fund's  operations  except those which are  delegated  to a custodian,  transfer
agent or other agent.

The Fund bears all costs of its  organization  and operation,  including but not
limited to  expenses  of  preparing,  printing  and  mailing  all  shareholders'
reports,  notices  prospectuses,  proxy  statements  and  reports to  regulatory
agencies;  expenses relating to the issuance,  registration and qualification of
shares;   government  fees;   interest   charges;   expenses  of  furnishing  to
shareholders  their account  statements;  taxes;  expenses of redeeming  shares;
brokerage  and  other  expenses   connected  with  the  execution  of  portfolio
securities  transactions;  expenses pursuant to the Fund's plan of distribution;
fees and expenses of custodians  including those for keeping books and accounts,
maintaining a committed line of credit,  and  calculating the net asset value of
shares;  fees and expenses of transfer  agents and dividend  disbursing  agents;
legal, accounting,  financial, management, tax and auditing fees and expenses of
the Fund (including an allocable portion of the cost of the Adviser's  employees
rendering  such services to the Fund the  compensation  and expenses of Trustees
who are not  otherwise  affiliated  with the Trust,  the Adviser or any of their
affiliates;  expenses of Trustees' and shareholders' meetings; trade association
memberships; insurance premiums; and any extraordinary expenses.

As compensation for its services under the Advisory Agreement, the Fund pays the
Adviser  monthly a fee which is accrued  daily,  of 0.35% of the  average of the
daily net assets of the Fund.

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

The  Adviser  has agreed to limit (i) the Fund's  investment  management  fee to
0.10% of the Fund's average daily net assets; (ii) the Fund's 12b-1 fee to 0.10%
of the Fund's average daily net assets attributable to Class R shares; and (iii)
the Fund's other expense  (excluding 12b-1 and management fee expenses) to 0.20%
of the Fund's  average  daily net  assets.  The  Adviser  reserves  the right to
terminate this limitation in the future.

Securities  held by the  Fund may  also be held by  other  funds  or  investment
advisory  clients for which the  Adviser or its  affiliates  provide  investment
advice.   Because  of  different  investment  objectives  or  other  factors,  a
particular  security  may be bought for one or more funds or clients when one or
more other funds or clients are selling the same security.  If opportunities for
purchase or sale of securities by the Adviser for the Fund or for other funds or
clients for which the Adviser renders  investment advice arise for consideration
at or about the same time, transactions in such securities will be made, insofar
as feasible, for the respective funds or clients in a manner deemed equitable to
all of them. To the extent that  transactions  on behalf of more than one client
of the Adviser or its affiliates  may increase the demand for  securities  being
purchased or the supply of securities being sold, there may be an adverse effect
on price.


                                       25
<PAGE>


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

Under the Advisory  Agreement,  the Fund may use the name "John  Hancock" or any
name derived from or similar to it only for so long as the Advisory Agreement or
any extension,  renewal or amendment  thereof remains in effect. If the Advisory
Agreement is no longer in effect,  the Fund (to the extent that it lawfully can)
will cease to use such a name or any other name indicating that it is advised by
or otherwise  connected with the Adviser.  In addition,  the Adviser or the Life
Company may grant the  nonexclusive  right to use the name "John Hancock" or any
similar name to any other  corporation  or entity,  including but not limited to
any investment  company of which the Life Company or any subsidiary or affiliate
thereof or any successor to the business of any subsidiary or affiliate  thereof
shall be the investment adviser.

The  continuation  of the  Advisory  Agreement  and the  Distribution  Agreement
(discussed below) was approved by all Trustees.  The Advisory  Agreement and the
Distribution Agreement, will continue in effect from year to year, provided that
its  continuance  is approved  annually both (i) by the holders of a majority of
the outstanding voting securities of the Trust or by the Trustees, and (ii) by a
majority of the  Trustees who are not parties to the  Agreement  or  "interested
persons" of any such  parties.  Both  Agreements  may be  terminated  on 60 days
written notice by any party or by vote of a majority of the  outstanding  voting
securities of the Fund and will terminate automatically if assigned.

Accounting and Legal Services Agreement.  The Trust, on behalf of the Fund, is a
party to an Accounting and Legal Services  Agreement with the Adviser.  Pursuant
to this agreement,  the Adviser  provides the Fund with certain tax,  accounting
and legal services.

In order to avoid conflicts with portfolio  trades for the Fund, the Adviser and
the Fund have adopted extensive  restrictions on personal  securities trading by
personnel of the Adviser and its  affiliates.  Some of these  restrictions  are:
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.

DISTRIBUTION CONTRACTS

The Fund has a  Distribution  Agreement  with  John  Hancock  Funds.  Under  the
agreement,  John  Hancock  Funds is  obligated  to use its best  efforts to sell
shares of each class of the Fund.  Shares of the Fund are also sold by  selected
broker-dealers  (the "Selling  Brokers")  which have entered into selling agency
agreements  with John Hancock  Funds.  John Hancock Funds accepts orders for the
purchase  of the shares of the Fund which are  continually  offered at net asset
value next determined,  plus an applicable  sales charge,  if any. In connection
with the sale of Fund shares,  John Hancock  Funds and Selling  Brokers  receive
compensation from a sales charge imposed,  in the case of Class A shares, at the
time of sale.  In the case of Class B or Class C  shares,  the  broker  receives
compensation  immediately  but John Hancock Funds is  compensated  on a deferred
basis.


The Fund's  Trustees  adopted  Distribution  Plans with respect to each class of
shares (the "Plans") pursuant to Rule 12b-1 under the Investment  Company Act of
1940.  Under the Plans,  the Fund will pay  distribution  and service fees at an
aggregate  annual  rate of up to 0.25%  for  Class A and R shares  and 1.00% for
Class B and Class C shares of the Fund's  average daily net assets  attributable
to shares of that class.  However, the service fees will not exceed 0.25% of the
Fund's  average  daily net assets  attributable  to each  class of  shares.  The
distribution  fees  will be used to  reimburse  the 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 the
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

                                       26
<PAGE>


to Class B and Class C shares only, interest expenses on unreimbursed
distribution expenses. The service fees will be used to compensate Selling
Brokers and others for providing personal and account maintenance services to
shareholders. In the event that John Hancock Funds is not fully reimbursed for
payments or expenses it incurs under the Class A Plan, these expenses will not
be carried beyond twelve months from the date they were incurred. Unreimbursed
expenses under the Class B, Class C and Class R Plans will be carried forward
together with interest on the balance of these unreimbursed expenses. The Fund
does not treat unreimbursed expenses under the Class B, Class C or Class R Plans
as a liability of the Fund because the Trustees may terminate the Class B, Class
C or Class R Plans at any time with no additional liability for these expenses
to the shareholders and the Fund.


John Hancock Funds has agreed to limit the Fund's 12b-1 fee to 0.10% of the
Fund's average daily net assets attributable to Class R shares.

The Plans were approved by a majority of the voting  securities of the Fund. The
Plans and all amendments were approved by the Trustees,  including a majority of
the Trustees who are not  interested  persons of the Fund and who have no direct
or indirect  financial  interest in the operation of the Plans (the "Independent
Trustees"), by votes cast in person at meetings called for the purpose of voting
on these Plans.

Pursuant to the Plans, at least quarterly,  John Hancock Funds provides the Fund
with a written  report of the amounts  expended  under the Plans and the purpose
for which these  expenditures  were made. The Trustees review these reports on a
quarterly basis to determine their continued appropriateness.

The  Plans  provide  that  they  will  continue  in  effect  only so long as its
continuance is approved at least annually by a majority of both the Trustees and
the Independent Trustees.  The Plans provide that they may be terminated without
penalty, (a) by a vote of a majority of the Independent Trustees,  (b) by a vote
of a majority of the Fund's  outstanding  shares of the applicable class upon 60
days' written notice to John Hancock Funds and (c) automatically in the event of
assignment.  The Plans further  provide that they may not be amended to increase
the maximum amount of the fees for the services  described  therein  without the
approval of a majority of the outstanding  shares of the class of the Fund which
has  voting  rights  with  respect  to that Plan.  Each plan  provides,  that no
material  amendment  to the Plans will be  effective  unless it is approved by a
majority  vote of the Trustees  and the  Independent  Trustees of the Fund.  The
holders of Class A, Class B, Class C and Class R shares  have  exclusive  voting
rights with respect to the Plan applicable to their  respective class of shares.
In adopting the Plans, the Trustees concluded that, in their judgment,  there is
a  reasonable  likelihood  that  the  Plans  will  benefit  the  holders  of the
applicable class of shares of the Fund.

Amounts paid to the John  Hancock  Funds by any class of shares of the Fund will
not be used to pay the  expenses  incurred  with  respect to any other  class of
shares of the Fund; provided, however, that expenses attributable to the Fund as
a whole will be  allocated,  to the extent  permitted  by law,  according to the
formula based upon gross sales dollars  and/or  average daily net assets of each
such class,  as may be  approved  from time to time by vote of a majority of the
Trustees.  From time to time,  the Fund may  participate  in joint  distribution
activities  with other Funds and the costs of those  activities will be borne by
each Fund in  proportion  to the relative  net asset value of the  participating
Fund.


                                       27
<PAGE>


SALES COMPENSATION


As part of their business  strategies,  the fund, along with John Hancock Funds,
pay compensation to financial services firms that sell the funds' shares.  These
firms  typically  pass along a portion of this  compensation  to your  financial
representative.

Compensation  payments  originate from two sources:  from sales charges and from
12b-1 fees that are paid out of the funds'  assets.  The sales charges and 12b-1
fees  paid  by  investors  are  detailed  in  the  prospectuses  and  under  the
"Distribution  Contracts"  in this  Statement  of  Additional  Information.  The
portions of these  expenses that are reallowed to financial  services  firms are
shown on the next page.


Whenever  you make an  investment  in the Class A, Class B and Class C shares of
the Fund,  the financial  services firm receives  either a reallowance  from the
initial sales charge or a commission, as described below. The firm also receives
the first year's service fee at this time.  Beginning with the second year after
an investment is made,  the financial  services firm receives an annual  service
fee of 0.25% of its total  eligible  net assets.  This fee is paid  quarterly in
arrears by the Fund.

Financial  services firms selling large amounts of fund shares may receive extra
compensation.  This  compensation,  which John Hancock Funds pays out of its own
resources,  may  include  asset  retention  fees as well  as  reimbursement  for
marketing expenses.


                                       28
<PAGE>


<TABLE>
<CAPTION>


                                 Sales charge        Maximum                First year
                                 paid by             reallowance            Service fee         Maximum
                                 investors (% of     or commission (%       (% of net           total compensation (1)
      Class A Investments        offering price)     of offering price)     investment) (3)     (% of offering price)
      -------------------        ---------------     ------------------     ---------------     ---------------------
             <S>                       <C>                  <C>                  <C>                   <C>


Up to $99,999                    3.00%               2.26%                  0.25%               2.50%
$100,000 - $499,999              2.50%               2.01%                  0.25%               2.25%
$500,000 - $999,999              2.00%               1.51%                  0.25%               1.75%

Regular investments of Class A
shares of
$1 million or more (4)
- ----------------------

First $1M - $4,999,999          --                   0.75%                  0.25%               1.00%
Next $1M - $5M above that       --                   0.25%                  0.25%               0.50% (2)
Next $1 or more above that      --                   0.00%                  0.25%               0.25% (2)

Retirement investments of
Class A shares of
$1 million or more*
- -------------------

First $1M - $24,999,999                              0.75%                  0.25%               1.00%
Next $25M -$49,999,999                               0.25%                  0.25%               0.50%
Next $1 or more above that                           0.00%                  0.25%               0.25%

                                                     Maximum                 First year
                                                     reallowance or          service fee        Maximum total
                                                     commission (% of        (% of net          compensation(1)
Class B investments                                  offering price)         investment) (3)    (% of offering price)
- -------------------                                  ---------------         ---------------    ---------------------


All amounts                                          3.75%                  0.25%               4.00%

                                                     Maximum                First year
                                                     reallowance            service fee         Maximum total
                                                     or commission (% of    (% of net           compensation (1)
Class C investments                                  offering price)        investment) (3)     (% of offering price)
- -------------------                                  ---------------        ---------------     ---------------------

All amounts                                          0.75%                  0.25%               1.00%

                                                     Maximum                First year
                                                     reallowance            service fee         Maximum total
                                                     or commission (% of    (% of net           compensation (1)
Class R investments                                  offering price)        investment) (3)     (% of offering price)
- -------------------                                  ---------------        ---------------     ---------------------

All amounts                                          None                   None                None
</TABLE>

(1) Reallowance/commission percentages and service fee percentages are
calculated from different amounts, and therefore may not equal total
compensation percentages if combined using simple addition.

                                       29
<PAGE>



(2)      For Group Investment  Program sales, the maximum total compensation for
         investments  of $1 million or more is 1.00% of the offering  price (one
         year CDSC of 1.00% applies for each sale).

(3)      After first year subsequent service fees are paid quarterly in arrears.

(4)      Includes new investments aggregated with investments since the last
         annual reset. John Hancock Funds may take recent redemptions into
         account in determining if an investment qualifies as a new investment.

CDSC revenues collected by John Hancock Funds may be used to pay commissions
when there is no initial sales charge.

*Retirement  investments  only.  These include  traditional,  Roth and Education
IRAs, SIMPLE IRAs, SIMPLE 401(k),  Rollover IRA, TSA, 457, 403(b), 401(k), Money
Purchase  Pension  Plan,  profit-sharing  plan  and  other  retirement  plans as
described in the Internal Revenue Code.


ELIGIBLE INVESTORS FOR CLASS R SHARES

Class R shares are only  available  to  certain  types of  investments  as noted
below:

o Full service 401(k) retirement plans (administrated by John Hancock) with at
  least $1 million in plan assets

o Rollover Individual Retirement Accounts for participants whose plans are
  invested in the 500 index fund and.

o Trustee of the John Hancock funds


NET ASSET VALUE

For purposes of calculating the net asset value (NAV) of the Fund's shares,  the
following procedures are utilized wherever applicable.

Debt investment  securities are valued on the basis of valuations furnished by a
principal  market- maker or a pricing service,  both of which generally  utilize
electronic  data  processing  techniques  to  determine  valuations  for  normal
institutional  size trading units of debt securities  without exclusive reliance
upon quoted prices.

Equity  securities  traded on a  principal  exchange or NASDAQ  National  Market
Issues  are  generally  valued  at last  sale  price  on the  day of  valuation.
Securities  in the  aforementioned  category for which no sales are reported and
other  securities  traded  over-the-counter  are  generally  valued  at the last
available bid price.

Short-term debt investments  which have a remaining  maturity of 60 days or less
are generally  valued at amortized  cost which  approximates  market  value.  If
market  quotations are not readily available or if in the opinion of the Adviser
any  quotation or price is not  representative  of true market  value,  the fair
value  of the  security  may be  determined  in good  faith in  accordance  with
procedures approved by the Trustees.


                                       30
<PAGE>


Foreign securities are valued on the basis of quotations from the primary market
in which  they are  traded.  Any  assets or  liabilities  expressed  in terms of
foreign  currencies are translated into U.S. dollars by the custodian bank based
on London currency exchange quotations as of 5:00 p.m., London time (12:00 noon,
New York time) on the date of a  determination  of the Fund's NAV. If quotations
are not  readily  available,  or the value has been  materially  affected by the
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 of each Fund and class is  determined  each business day at the close of
regular  trading on the New York Stock  Exchange  (typically  4:00 p.m.  Eastern
Time) by dividing a class's net assets by the number of its shares  outstanding.
On any day an international  market is closed and the New York Stock Exchange is
open,  any foreign  securities  will be valued at the prior day's close with the
current day's  exchange  rate.  Trading of foreign  securities may take place on
Saturdays and U.S.  business holidays on which the Fund's NAV is not calculated.
Consequently,  the  Fund's  portfolio  securities  may  trade and the NAV of the
Fund's  redeemable  securities  may be  significantly  affected  on days  when a
shareholder has no access to the Fund.

INITIAL SALES CHARGE ON CLASS A SHARES

Shares of the Fund are  offered at a price equal to their net asset value plus a
sales charge which, at the option of the purchaser, may be imposed either at the
time of purchase (the  "initial  sales charge  alternative")  or on a contingent
deferred basis (the "deferred  sales charge  alternative").  Share  certificates
will not be issued unless requested by the shareholder in writing, and then they
will only be issued for full shares. The Trustees reserve the right to change or
waive the  Fund's  minimum  investment  requirements  and to reject any order to
purchase  shares  (including  purchase by exchange)  when in the judgment of the
Adviser such rejection is in the Fund's best interest.

The sales  charges  applicable  to  purchases  of Class A shares of the Fund are
described in the Prospectus. Methods of obtaining reduced sales charges referred
to generally in the Prospectus are described in detail below. In calculating the
sales charge  applicable to current purchases of Class A shares of the Fund, the
investor is entitled to  accumulate  current  purchases  with the greater of the
current  value (at offering  price) of the Class A shares of the Fund,  owned by
the investor, or if John Hancock Signature Services, Inc. ("Signature Services")
is  notified  by the  investor's  dealer  or the  investor  at the  time  of the
purchase, the cost of the Class A shares owned.

Without Sales Charges.  Class A shares may be offered  without a front-end sales
charge or contingent  deferred sales charge ("CDSC") to various  individuals and
institutions as follows:

o        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
         (spouse, children, grandparents, grandchildren, mother, father, sister,
         brother,  mother-in-law,  father-in-law,  daughter-in-law,  son-in-law,
         niece,  nephew and same sex domestic  partner) of any of the foregoing;
         or any fund,  pension,  profit  sharing or other  benefit  plan for the
         individuals described above.

o        A  broker,   dealer,   financial  planner,   consultant  or  registered
         investment  advisor that has entered into a signed  agreement with John
         Hancock  Funds  providing  specifically  for the use of Fund  shares in
         fee-based  investment  products or  services  made  available  to their
         clients.


                                       31
<PAGE>


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

o        A member of a class action lawsuit against insurance companies who is
         investing settlement proceeds.

o        Retirement plans participating in Merrill Lynch servicing programs,
         if the Plan has more than $3 million in assets or 500 eligible
         employees at the date the Plan Sponsor signs the Merrill Lynch
         Recordkeeping Service Agreement. See your Merrill Lynch financial
         consultant for further information.

o        Retirement plans investing through the PruArray Program sponsored by
         Prudential Securities.

o        Pension plans transferring  assets from a John Hancock variable annuity
         contract to the Fund pursuant to an exemptive  application  approved by
         the Securities and Exchange Commission.

o        Shareholders of John Hancock Funds PLC who become U.S. residents or
         citizens and transfer their existing assets from John Hancock Funds PLC
         to the Fund.

o        Existing  full  service  clients  of the Life  Company  who were  group
         annuity  contract  holders as of  September  1, 1994,  and  participant
         directed  retirement plans with at least 100 eligible  employees at the
         inception of the Fund  account.  Each of these  investors  may purchase
         Class A shares with no initial sales charge. However, if the shares are
         redeemed  within 12 months after the end of the calendar  year in which
         the purchase was made, a CDSC will be imposed at the following rate:

            Amount Invested                                 CDSC Rate
            ---------------                                 ---------

            $1 to $4,999,999                                  1.00%
            Next $5 million to $9,999,999                     0.50%
           Amounts of $10 million and over                    0.25%

Class A shares  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.

Combination  Privilege.  In calculating the sales charge applicable to purchases
of Class A shares  made at one time,  the  purchases  will be combined to reduce
sales charges if made by (a) an individual, his or her spouse and their children
under the age of 21, purchasing  securities for his or their own account,  (b) a
trustee or other  fiduciary  purchasing for a single trust,  estate or fiduciary
account and (c) groups  which  qualify  for the Group  Investment  Program  (see
below). A company's (not an individual's) qualified and non-qualified retirement
plan  investments can be combined to take advantage of this  privilege.  Further
information about combined purchases, including certain restrictions on combined
group  purchases,  is available  from Signature  Services or a Selling  Broker's
representative.

Accumulation Privilege.  Investors (including investors combining purchases) who
are  already  Class A  shareholders  may also  obtain the benefit of the reduced
sales charge by taking into account not only the amount being  invested but also
the investor's purchase price or current value of the Class A shares of all John
Hancock  funds which carry a sales charge  already held by such person.  Class A
shares  of John  Hancock  money  market  funds  will  only be  eligible  for the
accumulation privilege if the investor has previously paid a sales charge on the
amount of those shares. Retirement plan investors may include the value of Class
B shares if Class B shares held are greater  than $1 million.  Retirement  plans
must notify  Signature  Services to utilize.  A company's (not an  individual's)
qualified and non-qualified  retirement plan investments can be combined to take
advantage of this privilege.


                                       32
<PAGE>


Group Investment Program. Under the Combination and Accumulation Privileges, all
members of a group may combine their  individual  purchases of Class A shares to
potentially  qualify for breakpoints in the sales charge schedule.  This feature
is  provided  to any  group  which (1) has been in  existence  for more than six
months,  (2) has a  legitimate  purpose  other than the  purchase of mutual fund
shares at a discount for its members,  (3) utilizes salary  deduction or similar
group methods of payment, and (4) agrees to allow sales materials of the fund in
its mailings to members at a reduced or no cost to John Hancock Funds.

Letter of Intention.  Reduced sales charges are also  applicable to  investments
made  pursuant  to a Letter  of  Intention  (the  "LOI"),  which  should be read
carefully  prior to its  execution by an  investor.  The Fund offers two options
regarding  the  specified  period  for  making  investments  under the LOI.  All
investors have the option of making their investments over a specified period of
thirteen (13) months. Investors who are using the Fund as a funding medium for a
retirement plan, however,  may opt to make the necessary  investments called for
by the LOI over a forty-eight (48) month period.  These retirement plans include
traditional,  Roth and Education IRAs, SEP, SARSEP,  401(k),  403(b)  (including
TSAs),  SIMPLE IRA, SIMPLE 401(k),  Money Purchase  Pension,  Profit Sharing and
Section 457 plans. An individual's  non-qualified and qualified  retirement plan
investments  cannot be combined to satisfy LOI of 48 months.  Such an investment
(including   accumulations   and  combinations  but  not  including   reinvested
dividends) must aggregate  $50,000 or more invested during the specified  period
from the date of the LOI or from a date within  ninety (90) days prior  thereto,
upon written request to Signature  Services.  The sales charge applicable to all
amounts  invested under the LOI is computed as if the aggregate  amount intended
to be invested had been invested  immediately.  If such aggregate  amount is not
actually  invested,  the  difference  in the sales charge  actually paid and the
sales  charge  payable had the LOI not been in effect is due from the  investor.
However,  for the purchases actually made within the specified period (either 13
or 48 months)  the sales  charge  applicable  will not be higher than that which
would have applied  (including  accumulations and combinations) had the LOI been
for the amount actually invested.

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

Because Class R shares are sold at net asset value without the imposition of any
sales charge, none of the privileges described under these captions is available
to Class R investors.


                                       33
<PAGE>


DEFERRED SALES CHARGE ON CLASS B AND CLASS C SHARES

Investments  in Class B and Class C shares are  purchased at net asset value per
share  without the  imposition  of an initial sales charge so that the Fund will
receive the full amount of the purchase payment.

Contingent Deferred Sales Charge.  Class B and Class C shares which are redeemed
within  four years or one year of  purchase,  respectively  will be subject to a
CDSC at the rates set forth in the  Prospectus  as a  percentage  of the  dollar
amount  subject to the CDSC.  The charge will be assessed on an amount  equal to
the lesser of the current  market  value or the  original  purchase  cost of the
Class B or Class C shares being  redeemed.  No CDSC will be imposed on increases
in account value above the initial purchase prices, including all shares derived
from reinvestment of dividends or capital gains distributions.

Class B shares are not available to full-service  retirement plans  administered
by  Signature  Services  or the Life  Company  that had more  than 100  eligible
employees at the inception of the Fund account.

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

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  four-year  CDSC  redemption  period  for  Class B or one year  CDSC
redemption  period  for  Class C, or those you  acquired  through  dividend  and
capital  gain  reinvestment,  and next from the shares you have held the longest
during the four-year period for Class B shares. For this purpose,  the amount of
any increase in a share's value above its initial purchase price is not regarded
as a share exempt from CDSC. Thus, when a share that has appreciated in value is
redeemed during the CDSC period, a CDSC is assessed only on its initial purchase
price.

When  requesting a redemption for a specific  dollar amount,  please indicate if
you require the proceeds to equal the dollar amount requested. If not indicated,
only the  specified  dollar  amount will be redeemed  from your  account and the
proceeds will be less any applicable CDSC.

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:

   oProceeds of 50 shares redeemed at $12 per shares (50 x 12)         $600.00
   o*Minus Appreciation ($12 - $10) x 100 shares                       (200.00)
   o Minus proceeds of 10 shares not subject to
     CDSC (dividend reinvestment)                                      (120.00)
                                                                       -------
   oAmount subject to CDSC                                             $280.00

   *The appreciation is based on all 100 shares in the lot not just the shares
    being redeemed.


                                       34
<PAGE>


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

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

For all account types:

*        Redemptions made pursuant to the Fund's right to liquidate your account
         if you own shares worth less than $1,000.

*        Redemptions  made  under  certain  liquidation,  merger or  acquisition
         transactions  involving other investment  companies or personal holding
         companies.

*        Redemptions due to death or disability. (Does not apply to trust
         accounts unless trust is being dissolved.)

*        Redemptions made under the Reinstatement  Privilege,  as described in
         "Sales Charge Reductions and Waivers" of the Prospectus.

*        Redemption  of Class B (but not Class C) shares  made  under a periodic
         withdrawal plan or redemptions for fees charged by planners or advisors
         for advisory services, as long as your annual redemptions do not exceed
         12% of your account value, including reinvested dividends,  at the time
         you established  your periodic  withdrawal plan and 12% of the value of
         subsequent  investments (less  redemptions) in that account at the time
         you notify Signature Services. (Please note, this waiver does not apply
         to periodic  withdrawal  plan  redemptions of Class A or Class C shares
         that are subject to a CDSC.)

*        Redemptions by Retirement plans participating in Merrill Lynch
         servicing programs, if the Plan has less than $3 million in assets or
         500 eligible employees at the date the Plan Sponsor signs the Merrill
         Lynch Recordkeeping Service Agreement. See your Merrill Lynch financial
         consultant for further information.

*        Redemption  of Class A or  Class C  shares  by  retirement  plans  that
         invested   through  the  PruArray   Program   sponsored  by  Prudential
         Securities.

For Retirement  Accounts (such as traditional,  Roth and Education IRAs,  SIMPLE
IRAs,  SIMPLE 401(k),  Rollover IRA, TSA, 457,  403(b),  401(k),  Money Purchase
Pension Plan,  Profit-Sharing  Plan and other plans as described in the Internal
Revenue Code) unless otherwise noted.

*        Redemptions made to effect mandatory or life expectancy distributions
         under the Internal Revenue Code.

*        Returns of excess contributions made to these plans.

                                       35
<PAGE>


*        Redemptions   made  to  effect   distributions   to   participants   or
         beneficiaries from employer  sponsored  retirement plans under sections
         401(a)  (such  as Money  Purchase  Pension  Plans  and  Profit  Sharing
         Plan/401(k)  Plans), 457 and 408 (SEPs and SIMPLE IRAs) of the Internal
         Revenue Code.

*        Redemptions from certain IRA and retirement plans that purchased shares
         prior to October 1, 1992 and  certain IRA plans that  purchased  shares
         prior to May 15, 1995.

<TABLE>
<CAPTION>

Please see matrix for some examples

          <S>                  <C>               <C>              <C>              <C>                <C>
- ----------------------- ----------------- ----------------- ---------------- ----------------- ----------------
Type of                 401 (a) Plan      403 (b)           457              IRA, IRA          Non-retirement
Distribution            (401 (k), MPP,                                       Rollover
                        PSP)
- ----------------------- ----------------- ----------------- ---------------- ----------------- ----------------
Death or Disability     Waived            Waived            Waived           Waived            Waived
- ----------------------- ----------------- ----------------- ---------------- ----------------- ----------------
Over 70 1/2             Waived            Waived            Waived           Waived for        12% of account
                                                                             mandatory         value annually
                                                                             distributions     in periodic
                                                                             or 12% of         payments
                                                                             account value
                                                                             annually in
                                                                             periodic
                                                                             payments.
- ----------------------- ----------------- ----------------- ---------------- ----------------- ----------------
Between 59 1/2          Waived            Waived            Waived           Waived for Life   12% of account
and 70 1/2                                                                   Expectancy or     value annually
                                                                             12% of account    in periodic
                                                                             value annually    payments
                                                                             in periodic
                                                                             payments.
- ----------------------- ----------------- ----------------- ---------------- ----------------- ----------------
Under 59 1/2            Waived for        Waived for        Waived for       Waived for        12% of account
(Class B only)          annuity           annuity           annuity          annuity           value annually
                        payments (72t)    payments (72t)    payments (72t)   payments (72t)    in periodic
                        or 12% of         or 12% of         or 12% of        or 12% of         payments
                        account value     account value     account value    account value
                        annually in       annually in       annually in      annually in
                        periodic          periodic          periodic         periodic
                        payments.         payments.         payments.        payments.
- ----------------------- ----------------- ----------------- ---------------- ----------------- ----------------
Loans                   Waived            Waived            N/A              N/A               N/A
- ----------------------- ----------------- ----------------- ---------------- ----------------- ----------------
Termination of Plan     Not Waived        Not Waived        Not Waived       Not Waived        N/A
- ----------------------- ----------------- ----------------- ---------------- ----------------- ----------------
Hardships               Waived            Waived            Waived           N/A               N/A
- ----------------------- ----------------- ----------------- ---------------- ----------------- ----------------
Qualified Domestic      Waived            Waived            Waived           N/A               N/A
Relations Orders
- ----------------------- ----------------- ----------------- ---------------- ----------------- ----------------
Termination of          Waived            Waived            Waived           N/A               N/A
Employment Before
Normal Retirement Age
- ----------------------- ----------------- ----------------- ---------------- ----------------- ----------------
Return of Excess        Waived            Waived            Waived           Waived            N/A
- ----------------------- ----------------- ----------------- ---------------- ----------------- ----------------
</TABLE>

                                       36
<PAGE>


If you qualify for a CDSC waiver under one of these situations,  you must notify
Signature  Services  at the time you make your  redemption.  The waiver  will be
granted  once  Signature  Services  has  confirmed  that you are entitled to the
waiver.

SPECIAL REDEMPTIONS

Although  it  would  not  normally  do so,  the  Fund  has the  right to pay the
redemption  price  of  shares  of the  Fund in  whole  or in  part in  portfolio
securities as prescribed by the Trustees.  When the shareholder  sells portfolio
securities  received in this fashion,  the  shareholders  will incur a brokerage
charge.  Any such  securities  would be valued for the  purposes  of making such
payment at the same value as used in determining net asset value.  The Fund has,
however,  elected to be governed by Rule 18f-1 under the Investment Company Act.
Under that rule,  the Fund must  redeem its shares for cash except to the extent
that the redemption  payments to any shareholder  during any 90-day period would
exceed  the  lesser of  $250,000  or 1% of the  Fund's  net  asset  value at the
beginning of such period.

ADDITIONAL SERVICES AND PROGRAMS

Exchange Privilege.  The Fund permits exchanges of shares of any class of a fund
for shares of the same class in any other John Hancock fund offering that class.


Exchanges  between funds with shares that are not subject to a CDSC are based on
their  respective  net asset values.  No sales charge or  transaction  charge is
imposed.  Shares of the Fund which are subject to a CDSC may be  exchanged  into
shares of any of the other John Hancock funds that are subject to a CDSC without
incurring the CDSC; however,  the shares acquired in an exchange will be subject
to the CDSC schedule of the shares acquired if and when such shares are redeemed
(except  that  shares  exchanged  into this Fund and John  Hancock  Intermediate
Government Fund will retain the exchanged fund's CDSC schedule). 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.


If a shareholder exchanges Class B shares purchased prior to January 1, 1994 for
Class B shares of any other John Hancock fund, the acquired shares will continue
to be subject to the CDSC schedule that was in effect when the exchanged  shares
were purchased.

The Fund  reserves the right to require that  previously  exchanged  shares (and
reinvested  dividends)  be in the  Fund  for 90 days  before  a  shareholder  is
permitted a new exchange.

The Fund may  refuse  any  exchange  order.  The Fund may  change or cancel  its
exchange policies at any time, upon 60 days' notice to its shareholders.

An exchange of shares is treated as a  redemption  of shares of one fund and the
purchase of shares of another for Federal  Income Tax purposes.  An exchange may
result in a taxable gain or loss. See "TAX STATUS".

Systematic  Withdrawal Plan. The Fund permits the  establishment of a Systematic
Withdrawal  Plan.  Payments under this plan represent  proceeds arising from the
redemption  of Fund shares which may result in  realization  of gain or loss for
purposes  of  Federal,  state and  local  income  taxes.  The  maintenance  of a
Systematic  Withdrawal Plan  concurrently with purchases of additional shares of
the Fund could be disadvantageous to a shareholder  because of the initial sales
charge  payable  on such  purchases  of Class A shares  and the CDSC  imposed on
redemptions  of Class B and Class C shares and because  redemptions  are taxable
events.  Therefore,  a shareholder should not purchase shares at the same time a
Systematic  Withdrawal Plan is in effect.  The Fund reserves the right to modify
or discontinue  the Systematic  Withdrawal  Plan of any  shareholder on 30 days'
prior written notice to such shareholder,  or to discontinue the availability of
such plan in the future.  The  shareholder may terminate the plan at any time by
giving proper notice to Signature Services.

                                       37
<PAGE>


Monthly Automatic Accumulation Program ("MAAP"). The program is explained in the
Prospectus. The program, as it relates to automatic investment checks, is
subject to the following conditions:

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

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

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

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

To protect the interests of other investors in the Fund, the Fund may cancel the
reinvestment  privilege  of any parties  that,  in the opinion of the Fund,  are
using market timing  strategies or making more than seven exchanges per owner or
controlling  party per calendar year. Also, the Fund may refuse any reinvestment
request.

The Fund may change or cancel its reinvestment policies at any time.

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

                                       38
<PAGE>



Retirement plans participating in Merrill Lynch's servicing programs:

Class A shares  are  available  at net asset  value for plans with $3 million in
plan assets or 500 eligible  employees  at the date the Plan  Sponsor  signs the
Merrill Lynch Recordkeeping Service Agreement.  If the plan does not meet either
of these limits, Class A shares are not available.

For  participating  retirement  plans  investing in Class B shares,  shares will
convert  to Class A shares  after  eight  years,  or sooner if the plan  attains
assets of $5 million (by means of a CDSC-free  redemption/purchase  at net asset
value).

DESCRIPTION OF THE FUND'S SHARES

The Trustees of the Trust are  responsible for the management and supervision of
the Fund.  The  Declaration  of Trust permits the Trustees to issue an unlimited
number of full and fractional shares of beneficial  interest of the Fund without
par value.  Under the  Declaration of Trust,  the Trustees have the authority to
create and classify shares of beneficial  interest in separate  series,  without
further action by  shareholders.  As of the date of this Statement of Additional
Information,  the  Trustees  have  authorized  shares  of the Fund and two other
series.  Additional series may be added in the future.  The Declaration of Trust
also  authorizes the Trustees to classify and reclassify the shares of the Fund,
or any new series of the Trust, into one or more classes. The Trustees have also
authorized  the  issuance of four classes of shares of the Fund,  designated  as
Class A, Class B, Class C and Class R.

The shares of each class of the Fund represent an equal  proportionate  interest
in the aggregate net assets  attributable to that class of the Fund.  Holders of
each class of shares have certain exclusive voting rights on matters relating to
their respective  distribution plans. The different classes of the Fund may bear
different  expenses  relating  to  the  cost  of  holding  shareholder  meetings
necessitated by the exclusive voting rights of any class of shares.

Dividends paid by the Fund, if any, with respect to each class of shares will be
calculated in the same manner,  at the same time and on the same day and will be
in the same amount, except for differences resulting from the facts that (i) the
distribution  and service fees relating to each class will be borne  exclusively
by that class, (ii) Class B and Class C shares will pay higher  distribution and
service  fees than Class A shares  and (iii) each class of shares  will bear any
class  expenses  properly  allocable  to that  class of  shares,  subject to the
conditions   the  Internal   Revenue   Service   imposes  with  respect  to  the
multiple-class  structures.  Similarly,  the net asset  value per share may vary
depending on which class of shares are  purchased.  No interest  will be paid on
uncashed dividend or redemption checks.

In the event of  liquidation,  shareholders  of each class are entitled to share
pro rata in the net  assets  of the Fund  available  for  distribution  to these
shareholders.  Shares  entitle their  holders to one vote per share,  are freely
transferable  and have no preemptive,  subscription or conversion  rights.  When
issued, shares are fully paid and non-assessable, except as set forth below.

Unless  otherwise  required by the Investment  Company Act or the Declaration of
Trust,  the Fund has no intention of holding  annual  meetings of  shareholders.
Fund  shareholders  may  remove a Trustee  by the  affirmative  vote of at least
two-thirds of the Trust's  outstanding  shares and the Trustees  shall  promptly
call a meeting for such purpose when requested to do so in writing by the record
holders  of  not  less  than  10%  of  the  outstanding  shares  of  the  Trust.
Shareholders   may,  under  certain   circumstances,   communicate   with  other
shareholders in connection  with  requesting a special meeting of  shareholders.
However,  at any time that less than a majority of the Trustees  holding  office
were elected by the  shareholders,  the Trustees will call a special  meeting of
shareholders for the purpose of electing Trustees.


                                       39
<PAGE>


Under Massachusetts law,  shareholders of a Massachusetts  business trust could,
under certain  circumstances,  be held personally liable for acts or obligations
of the Fund.  However,  the  Fund's  Declaration  of Trust  contains  an express
disclaimer  of  shareholder  liability for acts,  obligations  or affairs of the
Fund.  The  Declaration  of Trust also provides for  indemnification  out of the
Fund's  assets for all losses and expenses of any  shareholder  held  personally
liable for reason of being or having  been a  shareholder.  The  Declaration  of
Trust  also  provides  that no  series  of the  Trust  shall be  liable  for the
liabilities  of any other series.  Furthermore,  no fund included in this Fund's
prospectuses shall be liable for the liabilities of any other John Hancock Fund.
Liability is therefore  limited to  circumstances in which the Fund itself would
be unable to meet its  obligations,  and the  possibility of this  occurrence is
remote.

The Fund reserves the right to reject any  application  which conflicts with the
Fund's  internal  policies or the  policies of any  regulatory  authority.  John
Hancock Funds does not accept  starter,  credit card or third party checks.  All
checks  returned by the post office as  undeliverable  will be reinvested at net
asset  value in the fund or funds from which a  redemption  was made or dividend
paid. Information provided on the account application may be used by the Fund to
verify the accuracy of the  information or for  background or financial  history
purposes.  A joint account will be administered as a joint tenancy with right of
survivorship,  unless the joint owners notify Signature  Services of a different
intent.  A shareholder's  account is governed by the laws of The Commonwealth of
Massachusetts. For telephone transactions, the transfer agent will take measures
to verify the identity of the caller,  such as asking for name,  account number,
Social Security or other taxpayer ID number and other relevant  information.  If
appropriate  measures are taken,  the transfer agent is not  responsible for any
losses that may occur to any account due to an unauthorized telephone call. Also
for your protection  telephone  transactions are not permitted on accounts whose
names or addresses have changed within the past 30 days. Proceeds from telephone
transactions can only be mailed to the address of record.

Selling activities for the Fund may not take place outside the U.S. except with
U.S. military bases, APO addresses and U.S. diplomats. Brokers of record on
Non-U.S. investors' accounts with foreign mailing addresses are required to
certify that all sales activities have occurred, and in the future will occur,
only in the U.S. A foreign corporation may purchase shares of the Fund only if
it has a U.S. mailing address.

TAX STATUS

The Fund, is treated as a separate  entity for accounting and tax purposes,  has
qualified and elected to be treated as a "regulated  investment  company"  under
Subchapter M of the Internal Revenue Code of 1986, as amended (the "Code"),  and
intends to continue to qualify for each taxable  year.  As such and by complying
with the applicable  provisions of the Code regarding the sources of its income,
the timing of its distributions and the  diversification of its assets, the Fund
will not be subject to Federal income tax on its taxable  income  (including net
realized  capital gains) which is distributed to shareholders in accordance with
the timing requirements of the Code.

The Fund will be subject  to a 4%  nondeductible  Federal  excise tax on certain
amounts not distributed (and not treated as having been distributed) on a timely
basis in accordance  with annual  minimum  distribution  requirements.  The Fund
intends under normal  circumstances  to seek to avoid or minimize  liability for
such tax by satisfying such distributions requirements.


                                       40
<PAGE>


Distribution from the Fund's current or accumulated earnings and profits ("E&P")
will be taxable  under the Code for  investors  who are subject to tax. If these
distributions are paid from the Fund's "investment company taxable income," they
will be taxable as  ordinary  income;  and if they are paid from the Fund's "net
capital  gain" they will be taxable as capital  gain.  (Net  capital gain is the
excess (if any) of net long-term capital gain over net short-term  capital loss,
and investment  company  taxable income is all taxable income and capital gains,
other than net capital  gain,  after  reduction by  deductible  expenses).  Some
distributions  may be paid in January but may be taxable to  shareholders  as if
they had been  received on December 31 of the previous  year.  The tax treatment
described above will apply without regard to whether  distributions are received
in cash or reinvested in additional shares of the Fund.

Distributions,  if any,  in excess of E&P will  constitute  a return of  capital
under the Code, which will first reduce an investor's  federal tax basis in Fund
shares and then, to the extent such basis is exceeded,  will generally give rise
to capital gains.  Shareholders who have chosen automatic  reinvestment of their
distributions  will have a federal tax basis in each share received  pursuant to
such a  reinvestment  equal to the amount of cash they would have  received  had
they  elected  to receive  the  distribution  in cash,  divided by the number of
shares received in the reinvestment.

The Fund may be  subject  to  withholding  and other  taxes  imposed  by foreign
countries  with  respect  to  their  investments  in  foreign  securities.   Tax
conventions  between certain countries and the U.S. may reduce or eliminate such
taxes.  Because  more than 50% of the Fund's  assets at the close of any taxable
year will not consist of stocks or securities of foreign corporations,  the Fund
will be unable to pass such taxes through to shareholders (as additional income)
along with a corresponding entitlement to a foreign tax credit or deduction. The
Fund will  deduct the  foreign  taxes it pays in  determining  the amount it has
available for distribution to shareholders.

If the Fund invests in stock or ADRs representing  stock (including an option to
acquire  stock such as is inherent  in a  convertible  bond) in certain  foreign
corporations that receive at least 75% of their annual gross income from passive
sources  (such as interest,  dividends,  certain  rents and royalties or capital
gain) or hold at least 50% of their asset in investments  producing such passive
income ("passive foreign  investment  companies"),  the Fund could be subject to
Federal income tax and  additional  interest  charges on "excess  distributions"
received from such  companies or gain from the sale of stock in such  companies,
even if all income or gain actually  received by the Fund is timely  distributed
to its  shareholders.  The  Fund  would  not be  able  to  pass  through  to its
shareholders  any  credit  or  deduction  for  such a tax.  An  election  may be
available to ameliorate  these adverse tax  consequences,  but could require the
Fund to recognize taxable income or gain without the concurrent receipt of cash.
These investments could also result in the treatment of associated capital gains
as ordinary  income.  The Fund may limit  and/or  manage its holdings in passive
foreign  investment  companies or make an available election to minimize its tax
liability or maximize its return for these investments.

Foreign  exchange  gains and  losses  realized  by the Fund in  connection  with
certain  transactions  involving foreign  currency-denominated  debt securities,
certain foreign currency options, foreign currencies, or payables or receivables
denominated  in foreign  currency are subject to Section 988 of the Code,  which
generally  causes  such gains and losses to be  treated as  ordinary  income and
losses and may affect the  amount,  timing and  character  of  distributions  to
shareholders.  Transactions in foreign  currencies that are not directly related
to the Fund's investment in stock or securities,  including speculative currency
positions could under future Treasury  regulations  produce income not among the
types of "qualifying income" from which the Fund must derive at least 90% of its
gross income from each taxable year. If the net foreign exchange loss for a year
treated as ordinary loss under Section 988 were to exceed the Fund's  investment
company  taxable  income  computed  without  regard to such  loss the  resulting
overall  ordinary  loss for such year would not be deductible by the Fund or its
shareholders in future years.


                                       41
<PAGE>


Limitations imposed by the Code on regulated  investment companies like the Fund
may restrict the Fund's ability to enter into options, futures, foreign currency
positions, and foreign currency forward contracts.

Certain options,  futures,  and forward foreign currency contracts undertaken by
the Fund  could  cause the Fund to  recognize  gains or losses  from  marking to
market even though its positions have not been sold or terminated and affect the
character  as  long-term  or  short-term  (or,  in the case of foreign  currency
contracts,  as  ordinary  income or loss) and timing of some  capital  gains and
losses realized by the Fund. Additionally, the Fund may be required to recognize
gain, but not loss, if an option, short sales or other transaction is treated as
a  constructive  sale  of  an  appreciated  financial  position  in  the  Fund's
portfolio.  Also,  certain of the Fund's  losses on its  transactions  involving
options,  futures or forward contracts and/or offsetting or successor  portfolio
positions  may be deferred  rather than being taken into  account  currently  in
calculating the Fund's taxable income or gains. Certain of such transactions may
also cause the Fund to dispose of investments  sooner than would  otherwise have
occurred.  These  transactions  may  therefore  affect  the  amount,  timing and
character of the Fund's  distributions to shareholders.  The Fund will take into
account the special tax rules (including  consideration of available  elections)
applicable  to  options,  futures  and  forward  contracts  in  order to seek to
minimize any potential adverse tax consequences.

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

Upon a  redemption  or other  disposition  of shares of the Fund  (including  by
exercise of the exchange  privilege)  that in a transaction is treated as a sale
for tax purposes,  a shareholder will ordinarily  realize a taxable gain or loss
depending  upon the  amount  of the  proceeds  and the  investor's  basis in his
shares.  Such gain or loss will be treated as capital gain or loss if the shares
are capital assets in the shareholder's hands. A sales charge paid in purchasing
shares of the Fund cannot be taken into account for purposes of determining gain
or loss on the  redemption or exchange of such shares within 90 days after their
purchase  to the extent  shares of the Fund or  another  John  Hancock  fund are
subsequently  acquired  without  payment  of a  sales  charge  pursuant  to  the
reinvestment or exchange  privilege.  This disregarded  charge will result in an
increase in the  shareholder's  tax basis in the shares  subsequently  acquired.
Also,  any loss  realized on a redemption  or exchange may be  disallowed to the
extent the shares  disposed of are replaced with other shares of the Fund within
a period of 61 days beginning 30 days before and ending 30 days after the shares
are disposed of, such as pursuant to automatic dividend reinvestments. In such a
case,  the  basis  of the  shares  acquired  will be  adjusted  to  reflect  the
disallowed  loss.  Any loss  realized  upon the  redemption of shares with a tax
holding period of six months or less will be treated as a long-term capital loss
to the extent of any amounts treated as distributions of long-term  capital gain
with respect to such shares.  Shareholders should consult their own tax advisers
regarding their particular  circumstances to determine  whether a disposition of
Fund shares is properly treated as a sale for tax purposes, as is assumed in the
foregoing discussion.


                                       42
<PAGE>


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

For Federal  income tax  purposes,  the Fund is permitted to carry forward a net
realized  capital loss in any year to offset net capital gains,  if any,  during
the eight years  following  the year of the loss. To the extent  subsequent  net
capital gains are offset by such losses, they would not result in Federal income
tax liability to the Fund and, as noted above,  would not be distributed as such
to shareholders.

Investment in debt obligations that are at risk of or in default present special
tax issues for the Fund.  Tax rules are not entirely  clear about issues such as
when the Fund may cease to accrue interest,  original issue discount,  or market
discount,  when and to what  extent  deductions  may be taken  for bad  debts or
worthless securities,  how payments received on obligations in default should be
allocated  between   principal  and  income,   and  whether  exchanges  of  debt
obligations  in a workout  context are  taxable.  These and other issues will be
addressed by the Fund,  in the event it acquires or holds any such  obligations,
in order to reduce the risk of distributing  insufficient income to preserve its
status as a regulated  investment company and seeks to avoid becoming subject to
Federal income or excise tax.

For purposes of the  dividends-received  deduction  available  to  corporations,
dividends  received by the Fund,  if any,  from U.S.  domestic  corporations  in
respect of the stock of such  corporations  held by the Fund,  for U.S.  Federal
income  tax  purposes,  for at least  46 days  (91  days in the case of  certain
preferred stock) during a prescribed period extending before and after each such
dividend and distributed  and properly  designated by the Fund may be treated as
qualifying  dividends.  Corporate  shareholders  must  meet the  holding  period
requirements  stated  above with  respect  to their  shares of the Fund for each
dividend in order to qualify for the  deduction  and, if they have any debt that
is deemed under the Code directly  attributable to such shares,  may be denied a
portion of the dividends  received  deduction.  The entire qualifying  dividend,
including the otherwise  deductible amount,  will be included in determining the
excess (if any) of a corporate  shareholder's adjusted current earnings over its
alternative  minimum taxable income,  which may increase its alternative minimum
tax liability.  Additionally,  any corporate  shareholder should consult its tax
adviser  regarding the possibility  that its basis in its shares may be reduced,
for Federal income tax purposes, by reason of "extraordinary dividends" received
with respect to the shares, and, to the extend such basis would be reduced below
zero, that current recognition of income would be required.


                                       43
<PAGE>


The Fund is required to accrue income on any debt securities that have more than
a de minimis amount of original issue discount (or debt securities acquired at a
market  discount,  if the Fund  elects  to  include  market  discount  in income
currently) prior to the receipt of the corresponding cash payments.  The mark to
market or  constructive  sale  rules  applicable  to certain  options,  futures,
forwards,  short  sales  or other  transactions  may  also  require  the Fund to
recognize  income or gain  without a concurrent  receipt of cash.  Additionally,
some countries  restrict  repatriation which may make it difficult or impossible
for the Fund to obtain  cash  corresponding  to its  earnings or assets in those
countries.  However,  the Fund must distribute to shareholders  for each taxable
year  substantially all of its net income and net capital gains,  including such
income or gain, to qualify as a regulated investment company and avoid liability
for any federal income or excise tax. Therefore, the Fund may have to dispose of
its portfolio securities under  disadvantageous  circumstances to generate cash,
or may borrow cash, to satisfy these distribution requirements.

A state  income (and  possibly  local income  and/or  intangible  property)  tax
exemption is generally available to the extent (if any) the Fund's distributions
are derived from interest on (or, in the case of intangible  property taxes, the
value of its assets is  attributable  to) certain U.S.  Government  obligations,
provided in some states that certain thresholds for holdings of such obligations
and/or reporting  requirements are satisfied.  The Fund will not seek to satisfy
any  threshold or reporting  requirements  that may apply in  particular  taxing
jurisdictions,   although  it  may  in  its  sole  discretion  provide  relevant
information to shareholders.

The Fund will be required to report to the Internal  Revenue Service (the "IRS")
all taxable  distributions to  shareholders,  as well as gross proceeds from the
redemption  or exchange  of Fund  shares,  except in the case of certain  exempt
recipients,  i.e.,  corporations  and certain other investors  distributions  to
which are exempt from the information  reporting  provisions of the Code.  Under
the backup withholding  provisions of Code Section 3406 and applicable  Treasury
regulations,  all such reportable  distributions  and proceeds may be subject to
backup  withholding  of  federal  income  tax at the  rate of 31% in the case of
non-exempt shareholders who fail to furnish the Fund with their correct taxpayer
identification number and certain  certifications  required by the IRS or if the
IRS or a broker  notifies the Fund that the number  furnished by the shareholder
is  incorrect  or that the  shareholder  is subject to backup  withholding  as a
result of failure to report interest or dividend income.  The Fund may refuse to
accept an application that does not contain any required taxpayer identification
number nor  certification  that the number  provided is  correct.  If the backup
withholding  provisions are  applicable,  any such  distributions  and proceeds,
whether taken in cash or  reinvested  in shares,  will be reduced by the amounts
required  to be  withheld.  Any  amounts  withheld  may be  credited  against  a
shareholder's U.S. federal income tax liability.  Investors should consult their
tax advisers about the applicability of the backup withholding provisions.

Different tax treatment, including penalties on certain excess contributions and
deferrals, certain pre-retirement and post-retirement  distributions and certain
prohibited  transactions,  is  accorded  to  accounts  maintained  as  qualified
retirement  plans.  Shareholders  should  consult  their tax  advisers  for more
information.

                                       44
<PAGE>


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

Non-U.S.  investors  not engaged in a U.S.  trade or  business  with which their
investment in the Fund is effectively  connected will be subject to U.S. Federal
income  tax  treatment  that is  different  from  that  described  above.  These
investors may be subject to  non-resident  alien  withholding tax at the rate of
30% (or a lower  rate under an  applicable  tax  treaty)  on amounts  treated as
ordinary  dividends  from the Fund  and,  unless  an  effective  IRS Form W-8 or
authorized  substitute  for Form W-8 is on file,  to 31% backup  withholding  on
certain other payments from the Fund.  Non-U.S.  investors  should consult their
tax advisers regarding such treatment and the application of foreign taxes to an
investment in the Fund.

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

CALCULATION OF PERFORMANCE

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

                                n ______
                           T = \ / ERV/P - 1

Where:

P =     a hypothetical initial investment of $1,000.
T =     average annual total return.
n =     number of years.
ERV =   ending redeemable value of a hypothetical $1,000 investment made at the
        beginning of the 1 year, 5 year, and 10 year periods.

Because each class has its own sales charge and fee structure,  the classes have
different  performance  results.  In the case of each  class,  this  calculation
assumes the maximum  sales charge is included in the initial  investment  or the
CDSC is applied at the end of the period, respectively. This calculation assumes
that all dividends and  distributions  are  reinvested at net asset value on the
reinvestment dates during the period.  The "distribution  rate" is determined by
annualizing the result of dividing the declared dividends of the Fund during the
period stated by the maximum offering price or net asset value at the end of the
period.  Excluding the Fund's sales charge from the distribution rate produces a
higher rate.


                                       45
<PAGE>


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

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

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

Where:

     a =  dividends and interest earned during the period.
     b =  net expenses accrued during the period.
     c =  the average daily number of fund shares  outstanding  during
          the period that would be entitled to receive dividends.
     d =  the maximum offering price per share on the last day of the period
          (NAV where applicable).

From time to time,  in reports  and  promotional  literature,  the Fund's  total
return  will be compared  to indices of mutual  funds such as Lipper  Analytical
Services,  Inc.'s  "Lipper  -  Mutual  Fund  Performance  Analysis,"  a  monthly
publication  which tracks net assets,  total return and yield on mutual funds in
the United States. Ibottson and Associates, CDA Weisenberger and F.C. Towers are
also used for comparison purposes, as well as the Russell and Wilshire Indices.

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

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

                                       46
<PAGE>



BROKERAGE ALLOCATION

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

In the U.S. Government  securities market,  securities are generally traded on a
"net" basis with  dealers  acting as principal  for their own account  without a
stated commission,  although the price of the security usually includes a profit
to the  dealer.  On  occasion,  certain  money  market  instruments  and  agency
securities  may be  purchased  directly  from  the  issuer,  in  which  case  no
commissions  or  premiums  are paid.  In other  countries,  both debt and equity
securities  are traded on exchanges at fixed  commission  rates.  Commissions on
foreign  transactions are generally higher than the negotiated  commission rates
available  in the U.S.  There  is  generally  less  government  supervision  and
regulation of foreign stock exchanges and broker-dealers than in the U.S.

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

To the extent  consistent  with the foregoing,  the Fund will be governed in the
selection of brokers and dealers,  and the  negotiation of brokerage  commission
rates and dealer  spreads,  by the  reliability  and  quality  of the  services,
including primarily the availability and value of research information and, to a
lesser extent,  statistical  assistance furnished to the Adviser of the Fund and
their value and expected  contribution to the performance of the Fund. It is not
possible to place a dollar value on information and services to be received from
brokers and dealers,  since it is only  supplementary to the research efforts of
the  Adviser.  The receipt of  research  information  is not  expected to reduce
significantly  the  expenses  of  the  Adviser.  The  research  information  and
statistical  assistance  furnished  by brokers  and dealers may benefit the Life
Insurance  Company or other advisory  clients of the Adviser,  and,  conversely,
brokerage  commissions and spreads paid by other advisory clients of the Adviser
may result in research information and statistical  assistance beneficial to the
Fund. The Fund will not make commitments to allocate portfolio transactions upon
any prescribed basis. While the Adviser's officers will be primarily responsible
for  the  allocation  of the  Fund's  brokerage  business,  their  policies  and
practices in this regard must be  consistent  with the foregoing and will at all
times be subject to review by the Trustees.

As permitted by Section 28(e) of the  Securities  Exchange Act of 1934, the Fund
may pay a broker which provides  brokerage and research  services to the Fund an
amount of disclosed  commission in excess of the commission which another broker
would have charged for effecting that transaction. This practice is subject to a
good faith  determination  by the Trustees that such commission is reasonable in
light of the services  provided  and to such  policies as the Trustees may adopt
from time to time.


                                       47
<PAGE>


The  Adviser's  indirect  parent,  the  Life  Company,   is  the  indirect  sole
shareholder of Signator Investors, Inc., a broker-dealer (until January 1, 1999,
John Hancock Distributors,  Inc.) ("Signator" or "Affiliated Broker").  Pursuant
to procedures determined by the Trustees and consistent with the above policy of
obtaining best net results, the Fund may execute portfolio  transactions with or
through the Affiliated Broker.

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

Other investment  advisory clients advised by the Adviser may also invest in the
same  securities as the Fund. When these clients buy or sell the same securities
at  substantially  the same time, the Adviser may average the transactions as to
price and  allocate the amount of  available  investments  in a manner which the
Adviser  believes to be equitable to each client,  including  the Fund.  In some
instances,  this  investment  procedure may  adversely  affect the price paid or
received by the Fund or the size of the position obtainable for it. On the other
hand, to the extent permitted by law, the Adviser may aggregate securities to be
sold or  purchased  for the Fund with  those to be sold or  purchased  for other
clients managed by it in order to obtain best execution.

TRANSFER AGENT SERVICES

John Hancock Signature  Services,  Inc., 1 John Hancock Way, Suite 1000, Boston,
MA 02217-1000,  a wholly owned indirect  subsidiary of the Life Company,  is the
transfer  and  dividend  paying  agent  for the Fund.  The Fund  pays  Signature
Services  an annual  fee of  $19.00  for each  Class A and  Class R  shareholder
account  and  $21.50 for each Class B  shareholder  account  and $20.50 for each
Class C shareholder account. The Fund also pays certain  out-of-pocket  expenses
and these  expenses  are  aggregated  and charged to the Fund  allocated to each
class on the basis of their relative net asset value.

                                       48
<PAGE>



CUSTODY OF PORTFOLIO

Portfolio  securities  of the Fund are held  pursuant to a  custodian  agreement
between the Fund and State Street Bank and Trust Company,  225 Franklin  Street,
Boston,  Massachusetts 02110. Under the custodian agreement, State Street Bank &
Trust Company performs custody, portfolio and fund accounting services.

INDEPENDENT AUDITORS

The independent auditors of the Fund are  PricewaterCoopers  LLP,  Massachusetts
02110  has  been   selected   as  the   independent   auditors   of  the  Fund..
PricewaterCoopers  LLP  audits and  renders  an  opinion  on the  Fund's  annual
financial statements and reviews the Fund's annual Federal income tax return.





                                       49
<PAGE>




APPENDIX A

MORE ABOUT RISK

A fund's risk profile is largely  defined by the fund's  primary  securities and
investment  practices.  You may find the most concise  description of the fund's
risk profile in the prospectuses.

A fund is permitted to utilize -- within limits  established  by the trustees --
certain other  securities  and  investment  practices that have higher risks and
opportunities  associated  with them. To the extent that the Fund utilizes these
securities  or  practices,  its  overall  performance  may be  affected,  either
positively  or  negatively.  On the  following  pages are brief  definitions  of
certain  associated  risks with them with  examples  of related  securities  and
investment  practices  included in brackets.  See the "Investment  Objective and
Policies" and "Investment Restrictions" sections of this Statement of Additional
Information  for a  description  of this Fund's  investment  policies.  The Fund
follows certain policies that may reduce these risks.

As with any mutual fund, there is no guarantee that the Fund will earn income or
show a positive return over any period of time -- days, months or years.

TYPES OF INVESTMENT RISK

Correlation risk The risk that changes in the value of a hedging instrument will
not match those of the asset being hedged  (hedging is the use of one investment
to offset the effects of another investment).  Incomplete correlation can result
in  unanticipated  risks.  (e.g.,  short sales,  financial  futures and options;
securities and index options, currency contracts).

Credit risk The risk that the issuer of a  security,  or the  counterparty  to a
contract,  will  default  or  otherwise  become  unable  to  honor  a  financial
obligation.   (e.g.,  borrowing;   reverse  repurchase  agreements,   repurchase
agreements,  securities  lending,   non-investment-grade  securities,  financial
futures and options; securities and index options).

Currency risk The risk that  fluctuations in the exchange rates between the U.S.
dollar and foreign  currencies  may  negatively  affect an  investment.  Adverse
changes in  exchange  rates may erode or reverse  any gains  produced by foreign
currency  denominated  investments  and may widen  any  losses.  (e.g.,  foreign
equities,  financial futures and options; securities and index options, currency
contracts).

Information  risk The risk that key  information  about a security  or market is
inaccurate  or  unavailable.  (e.g.,  non-investment-grade  securities,  foreign
equities).


                                      A-1
<PAGE>


Interest rate risk The risk of market losses attributable to changes in interest
rates. With fixed-rate  securities,  a rise in interest rates typically causes a
fall in values, while a fall in rates typically causes a rise in values.  (e.g.,
non-investment-grade  securities,  financial futures and options; securities and
index options).

Leverage risk  Associated  with securities or practices (such as borrowing) that
multiply  small index or market  movements  into large changes in value.  (e.g.,
borrowing;  reverse repurchase  agreements,  when-issued  securities and forward
commitments).

o    Hedged  When a  derivative  (a  security  whose  value is based on  another
     security or index) is used as a hedge against an opposite position that the
     fund  also  holds,   any  loss  generated  by  the  derivative   should  be
     substantially  offset by gains on the hedged  investment,  and vice  versa.
     While  hedging  can  reduce  or  eliminate  losses,  it can also  reduce or
     eliminate  gains.  (e.g.,  short  sales,   financial  futures  and  options
     securities and index options; currency contracts).

o    Speculative  To the extent that a  derivative  is not used as a hedge,  the
     fund is directly exposed to the risks of that  derivative.  Gains or losses
     from  speculative  positions in a derivative may be  substantially  greater
     than the derivative's original cost. (e.g., short sales,  financial futures
     and options securities and index options; currency contracts).

o    Liquidity  risk  The risk  that  certain  securities  may be  difficult  or
     impossible  to sell at the time and the price that the seller  would  like.
     The seller may have to lower the price,  sell other  securities  instead or
     forego an investment opportunity, any of which could have a negative effect
     on fund management or performance. (e.g.,  non-investment-grand securities,
     short sales,  restricted  and illiquid  securities,  financial  futures and
     options securities and index options; currency contracts).

Management risk The risk that a strategy used by a fund's management may fail to
produce the intended result. Common to all mutual funds.

Market risk The risk that the market  value of a security  may move up and down,
sometimes rapidly and unpredictably.  These fluctuations may cause a security to
be worth less than the price  originally  paid for it, or less than it was worth
at an earlier time. Market risk may affect a single issuer, industry,  sector of
the  economy  or the  market as a whole.  Common to all stocks and bonds and the
mutual  funds that  invest in them.  (e.g.,  short  sales,  short-term  trading,
when-issued securities and forward commitments, non-investment-grade securities,
foreign equities,  financial  futures and options;  securities and index options
restricted and illiquid securities).


                                      A-2
<PAGE>


Natural event risk The risk of losses  attributable to natural  disasters,  crop
failures and similar events. (e.g., foreign equities).

Opportunity  risk The risk of missing out on an investment  opportunity  because
the assets  necessary to take  advantage of it are tied up in less  advantageous
investments. (e.g., short sales, when-issued securities and forward commitments;
financial   futures  and  options;   securities  and  index  options,   currency
contracts).

Political  risk The risk of  losses  attributable  to  government  or  political
actions,  from  changes in tax or trade  statutes to  governmental  collapse and
war.(e.g., foreign equities).

Valuation  risk The risk that a fund has valued  certain of its  securities at a
higher price than it can sell them for. (e.g.,  non-investment-grade securities,
restricted and illiquid securities).



                                      A-3
<PAGE>




APPENDIX B

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.

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.

Moody's describes its three highest ratings for commercial paper as follows:

Issuers rated P-1 (or related supporting  institutions) have a superior capacity
for repayment of short-term promissory obligations.  P-1 repayment capacity will
normally be  evidenced  by the  following  characteristics:  (1) leading  market
positions  in  well-established  industries;  (2) high  rates of return on funds
employed; (3) conservative  capitalization  structures with moderate reliance on
debt and ample asset  protections;  (4) broad  margins in  earnings  coverage of
fixed  financial  charges  and  high  internal  cash  generation;  and (5)  well
established  access to a range of  financial  markets  and  assured  sources  of
alternate liquidity.

Issuers rated P- (or related supporting institutions) have a strong capacity for
repayment of short-term promissory obligations.  This will normally be evidenced
by many of the  characteristics  cited  above but to a lesser  degree.  Earnings
trends and  coverage  ratios,  while sound,  will be more subject to  variation.
Capitalization characteristics, while still appropriate, may be more affected by
external conditions. Ample alternate liquidity is maintained.

Issuers rated P-3 (or supporting  institutions)  have an acceptable  ability for
repayment   of  senior   short-term   obligations.   The   effect  of   industry
characteristics and market  compositions may be more pronounced.  Variability in
earnings and profitability may result in changes in the level of debt protection
measurements  and may  require  relatively  high  financial  leverage.  Adequate
alternate liquidity is maintained.

S&P describes its three highest ratings for commercial paper as follows:

A-1.  This  designation  indicated  that the degree of safety  regarding  timely
payment is very strong.

A-2.  Capacity  for timely  payment on issues with this  designation  is strong.
However,  the  relative  degree of safety is not as  overwhelming  as for issues
designated A-1.

A-3. Issues carrying this  designation  have a satisfactory  capacity for timely
payment.  They are, however,  somewhat more vulnerable to the adverse effects of
changes in circumstances than obligations carrying the higher designations.


                                      B-1
<PAGE>



FINANCIAL STATEMENTS












                                      F-1


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