Document:

Exhibit 10.1

                                 THIRD AMENDMENT

                            dated as of July 25, 2003

                                       to

                                 $1,000,000,000

                                CREDIT AGREEMENT

                                   dated as of

                           August 3, 2000, as amended,

                                      among

                      John Hancock Financial Services, Inc.

                      John Hancock Life Insurance Company,

                            The Banks Listed Herein,

                              Fleet National Bank,
                           as Co-Administrative Agent,

                              JPMorgan Chase Bank,
                           as Co-Administrative Agent,

                               Citicorp USA, Inc.,
                              as Syndication Agent,

                              The Bank of New York,
                   as Documentation Agent (364-Day Revolver),

                                       and

                      Wachovia Bank, National Association,
                    as Documentation Agent (364-Day Revolver)

                             Fleet Securities, Inc.,
                                       and
                           J.P. Morgan Securities Inc.
                                       as
                   Joint Bookrunners and Joint Lead Arrangers
<PAGE>

                       THIRD AMENDMENT TO CREDIT AGREEMENT

            THIRD AMENDMENT TO CREDIT AGREEMENT ("Third Amendment") dated as of
July 25, 2003, among JOHN HANCOCK FINANCIAL SERVICES, INC. ("JHFS"), JOHN
HANCOCK LIFE INSURANCE COMPANY ("JHLIC" and, collectively with JHFS, the
"Borrowers"), the BANKS listed on the signature pages hereof, FLEET NATIONAL
BANK, as Co-Administrative Agent, and JPMORGAN CHASE BANK (f/k/a The Chase
Manhattan Bank), as Co-Administrative Agent.

            WHEREAS, the Borrowers, John Hancock Capital Corporation ("JHCC"),
the Banks, and the Agent entered into to a Credit Agreement dated as of August
3, 2000 ("Original Credit Agreement") pursuant to which the Banks agreed, on the
terms and conditions stated therein, to extend credit to the Borrowers and JHCC
pursuant to a 364-Day Revolving Credit Facility ("364-Day Revolver") and a
Multi-Year Revolving Credit Facility
("Multi-Year Revolver");

            WHEREAS, the Borrowers, the Banks, and the Agent entered into a
First Amendment to Credit Agreement dated as of July 27, 2001 ("First
Amendment") pursuant to which the parties made certain amendments to the
Original Credit Agreement (as so amended, the "First Amended Credit Agreement")
so as, among other things, (i) to acknowledge the termination of JHCC as a
Borrower thereunder, (ii) to renew the 364-Day Revolver for an additional
364-day period commencing on the date of the First Amendment, (iii) to
reallocate the 364-Day Commitment of BankOne, NA (Main Office Chicago), (iv) to
clarify the Borrowers' reporting obligations concerning their financial
covenants, and (v) to eliminate commercial paper ratings as a basis for
determining pricing with respect to the 364-Day Revolver;

            WHEREAS, the Borrowers, the Banks, and the Agent entered into a
Second Amendment to Credit Agreement dated as of July 26, 2002 ("Second
Amendment") pursuant to which the parties made certain further amendments to the
First Amended Credit Agreement (as so amended, the "Second Amended Credit
Agreement") so as, among other things, (i) to renew the 364-Day Revolver for an
additional 364-day period commencing on the date of the Second Amendment, (ii)
to amend the pricing for the 364-Day Revolver to include a premium of 15 basis
points in the event the Borrowers exercise the one-year term-out option
thereunder, (iii) to eliminate the Adjusted Statutory Surplus covenant and
JHLIC's reporting obligations with respect thereto and to amend the remaining
financial covenants applicable to both the 364-Day Revolver and the Multi-Year
Revolver, (iv) to amend the conditions for optional increases in the aggregate
Commitments under the 364-Day Revolver or the Multi-Year Revolver, and (v) to
reallocate the 364-Day Commitments of Lehman Commercial Paper, Inc., The
Northern Trust Company, and Westdeutsche Landesbank Gerozentrale, New York
Branch;

            WHEREAS, the Borrowers have requested that the Banks make certain
further amendments to the Second Amended Credit Agreement so as, among other
things, (i) to renew the 364-Day Revolver for an additional 364-day period
commencing on the date of the Third
<PAGE>

Amendment, and (ii) to reallocate the 364-Day Commitments of Comerica Bank and
Credit Suisse First Boston (each an "Exiting Bank" and, collectively, the
"Exiting Banks"); and

            WHEREAS, the Banks are willing to make such amendments on the terms
and conditions set forth in this Third Amendment;

            NOW, THEREFORE, in consideration of the premises and for other good
and valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the parties hereto agree as follows:

      1. Definitions. All capitalized terms used but not defined herein shall
have the same meanings herein as such terms have in the Second Amended Credit
Agreement.

      2. Amendments to Second Amended Credit Agreement. Upon the terms and
subject to the conditions of this Third Amendment, the Second Amended Credit
Agreement is hereby amended in each of the following respects:

            (a) The definition of "Expiration" in Section 1.01 of the Second
      Amended Credit Agreement is amended to read in its entirety as follows:

                  ""Expiration" means, with respect to the 364-Day Revolver, (i)
      July 23, 2004, which is the 364th day after the Third Amendment Effective
      Date, or (ii) if extended in accordance with Section 2.06(b), the 364th
      day after the immediately preceding Expiration."

            (b) The definition of "364-Day Termination Date" in Section 1.01 of
      the Second Amended Credit Agreement is amended to read in its entirety as
      follows:

                  ""364-Day Termination Date" means (i) July 23, 2004, which is
      the 364th day after the Third Amendment Effective Date, or (ii) if the
      maturity of the 364-Day Revolver shall have been extended pursuant to
      Section 2.06(b) hereof, the 364th day after the immediately preceding
      Expiration."

            (c) Section 1.01 of the Second Amended Credit Agreement is amended
      by inserting the following new definitions:

                  ""Third Amendment" means the Third Amendment to Credit
      Agreement dated as of July 25, 2003."

                  ""Third Amendment Effective Date" means July 25, 2003, which
      is the date on which the Third Amendment becomes effective in accordance
      with Section 5 thereof."

      3. Amendments to 364-Day Revolver Notes. Each of the 364-Day Revolver
Notes (other than the Exiting Bank Notes (as defined below)) is amended by
changing the date at the top of such note to the date of the Third Amendment
Effective Date.
<PAGE>

      4. Amendments to 364-Day Commitments. The 364-Day Commitment of each
Exiting Bank under the 364-Day Revolver is hereby terminated as of the Third
Amendment Effective Date, and each Exiting Bank is hereby released from its
obligations under the Second Amended Credit Agreement with respect to the
364-Day Revolver (but not with respect to the Multi-Year Revolver) as of the
Third Amendment Effective Date. From and after the Third Amendment Effective
Date, the 364-Day Commitments shall be allocated among the Banks as reflected on
the signature pages hereof under the heading "364-Day Commitments."

      5. Conditions Precedent. The amendments and agreements set forth in
Sections 2, 3, and 4 above shall become effective only upon the satisfaction of
the following conditions:

            (a) receipt by the Agent of counterparts hereof signed by each of
      the parties hereto that is allocated a 364-Day Commitment (or, in the case
      of any party as to which an executed counterpart shall not have been
      received, receipt by the Agent in form satisfactory to it of telegraphic,
      telex, facsimile, or other written confirmation from such party of the
      execution and delivery of a counterpart hereof by such party);

            (b) receipt by the Agent of each Exiting Bank's 364-Day Revolver
      Notes (the "Exiting Bank Notes") for cancellation, and receipt by the
      Borrowers of the Exiting Bank Notes marked "Canceled" by the Agent;
      provided, that if any Exiting Bank shall be unable to produce one or more
      of its original Notes for cancellation, such Exiting Bank shall have
      delivered, and the Agent and Borrowers shall have received, an affidavit
      of an officer of such Exiting Bank as to the loss, theft, destruction or
      mutilation of such Note(s) and certifying that such Note(s) are satisfied
      in full and are to be canceled by the Agent, and such Exiting Bank's
      unsecured agreement of indemnity concerning any claim under such canceled
      Note(s);

            (c) the fact that all amounts payable by the Borrowers on or before
      the Third Amendment Effective Date (including the fees then payable, if
      any, pursuant to Section 2.08 of the Second Amended Credit Agreement)
      shall have been paid in full;

            (d) receipt by the Agent of an opinion of Alan R. Seghezzi, Vice
      President and Counsel of JHLIC, addressed to the Agent and the Banks, in
      form and substance satisfactory to the Agent;

            (e) receipt by the Agent of an opinion of Goulston & Storrs, P.C.,
      special counsel for the Agent, addressed to the Agent and the Banks, in
      form and substance satisfactory to the Agent; and

            (f) receipt by the Agent of all documents it may reasonably request
      relating to the existence of each Borrower, the corporate authority for
      and the validity of this Third Amendment, and any other matters relevant
      hereto, all in form and substance satisfactory to the Agent;
<PAGE>

provided that this Third Amendment shall not become effective or be binding on
any party hereto unless all of the foregoing conditions are satisfied not later
than July 25, 2003. At the closing, the Agent or its counsel shall deliver a
notice to the Borrowers and the Banks advising them of the Third Amendment
Effective Date, and such notice shall be conclusive and binding on all parties
hereto.

      6. Representations and Warranties. Each Borrower severally represents and
warrants, but only with respect to itself, that:

            (a) Representations in Second Amended Credit Agreement. Each of the
      representations and warranties made by such Borrower in the Second Amended
      Credit Agreement is true, correct and complete on and as of the date
      hereof with the same full force and effect as if each of such
      representations and warranties had been made by the Borrower on the date
      hereof and in this Third Amendment (except to the extent such
      representations and warranties expressly relate to an earlier date).

            (b) No Defaults or Events of Default. No Default or Event of Default
      exists on the date of this Third Amendment (after giving effect to all of
      the arrangements and transactions contemplated by this Third Amendment).

            (c) Binding Effect of Documents. This Third Amendment has been duly
      authorized, executed and delivered by such Borrower and is in full force
      and effect as of the date hereof, and the agreements and obligations of
      such Borrower contained herein constitute the legal, valid, and binding
      obligations of such Borrower enforceable against such Borrower in
      accordance with its terms.

      7. Miscellaneous. This Third Amendment may be executed in any number of
counterparts, each of which when executed and delivered shall be deemed an
original, but all of which together shall constitute one instrument. In making
proof of this Third Amendment, it shall not be necessary to produce or account
for more than one counterpart thereof signed by each of the parties hereto.
Except to the extent specifically amended and supplemented hereby, all of the
terms, conditions and provisions of the Second Amended Credit Agreement and the
Notes shall remain unmodified, and the Second Amended Credit Agreement and the
Notes, as amended and supplemented by this Third Amendment, are confirmed as
being in full force and effect, and each Borrower hereby ratifies and confirms
all of its agreements and obligations contained therein. This Third Amendment
and the rights and obligations of each of the parties hereto shall be governed
by and interpreted in accordance with the laws of the Commonwealth of
Massachusetts without regard to conflicts of laws principles. This Third
Amendment shall be binding upon and inure to the benefit of each of the parties
hereto and their respective successors in title and assigns.

                         [Signatures begin on next page]
<PAGE>

      IN WITNESS WHEREOF, the parties hereto have caused this Third Amendment to
be duly executed by their respective authorized officers as of the day and year
first above written.

JOHN HANCOCK FINANCIAL SERVICES, INC.    JOHN HANCOCK LIFE INSURANCE COMPANY

By:                                      By:
    -------------------------------           ------------------------------
Title: Vice President and Treasurer      Title: Vice President and Treasurer
       ----------------------------             ----------------------------

By:                                      By:
    -------------------------------           ------------------------------
Title: Assistant Treasurer               Title: Assistant Treasurer
       ----------------------------             ----------------------------

200 Clarendon Street, T-58               200 Clarendon Street, T-58
Boston, Massachusetts  02117             Boston, Massachusetts 02117
Attention: Treasurer                     Attention: Treasurer
Fax:  (617) 572-0411                     Fax: (617) 572-0411
Telex number: 62021772                   Telex number: 62021772
with a copy to:                          with a copy to:
John Hancock Financial Services, Inc.    John Hancock Financial Services, Inc.
200 Clarendon Street                     200 Clarendon Street
Boston, Massachusetts  02117             Boston, Massachusetts  02117
Attention: Investment Law                Attention: Investment Law
Fax: (617) 572-9269                      Fax: (617) 572-9269
<PAGE>

   364-Day
Commitments
-----------

$31,000,000                             FLEET NATIONAL BANK
                                        ("Co-Administrative Agent")

                                        By:______________________________
                                        Title: __________________________

$31,000,000                             JPMORGAN CHASE BANK
                                        ("Co-Administrative Agent")

                                        By:______________________________
                                        Title: __________________________

$31,000,000                             CITICORP USA, INC.
                                        ("Syndication Agent")

                                        By:______________________________
                                        Title: __________________________

$31,000,000                             THE BANK OF NEW YORK
                                        ("Documentation Agent" - 364-Day)

                                        By:______________________________
                                        Title: __________________________

$31,000,000                             WACHOVIA BANK, NATIONAL ASSOCIATION
                                        ("Documentation Agent" - 364-Day)

                                        By:______________________________
                                        Title: __________________________

$27,000,000                             THE BANK OF NOVA SCOTIA

                                        By:______________________________
                                        Title: __________________________
<PAGE>

   364-Day
Commitments
-----------

$27,000,000                             ROYAL BANK OF CANADA

                                        By:______________________________
                                        Title: __________________________

$27,000,000                             STATE STREET BANK AND TRUST COMPANY

                                        By:______________________________
                                        Title: __________________________

$24,000,000                             ABN AMRO BANK N.V.

                                        By:______________________________
                                        Title: __________________________

                                        By:______________________________
                                        Title: __________________________

$24,000,000                             BANK OF AMERICA, N.A.

                                        By:______________________________
                                        Title: __________________________

$24,000,000                             BANK ONE, NA

                                        By:______________________________
                                        Title: __________________________

$24,000,000                             BARCLAYS BANK PLC

                                        By:______________________________
                                        Title: __________________________

<PAGE>

   364-Day
Commitments
-----------

$24,000,000                             BNP PARIBAS

                                        By:______________________________
                                        Title: __________________________

                                        By:______________________________
                                        Title: __________________________

$24,000,000                             DEUTSCHE BANK AG, NEW YORK BRANCH

                                        By:______________________________
                                        Title: __________________________

                                        By:______________________________
                                        Title: __________________________

$24,000,000                             HSBC BANK USA

                                        By:______________________________
                                        Title: __________________________

$24,000,000                             LEHMAN BROTHERS BANK, FSB

                                        By:______________________________
                                        Title: __________________________

$24,000,000                             MORGAN STANLEY BANK

                                        By:______________________________
                                        Title: __________________________

<PAGE>

   364-Day
Commitments
-----------

$24,000,000                             PNC BANK, NATIONAL ASSOCIATION

                                        By:______________________________
                                        Title: __________________________

$24,000,000                             SOVEREIGN BANK FSB

                                        By:______________________________
                                        Title: __________________________

----------------
Total 364-Day
Commitments

$500,000,000

                                        FLEET NATIONAL BANK, as Agent

                                        By:______________________________
                                        Title: Senior Associate, Financial
                                        Institutions Division
                                        100 Federal Street
                                        Boston, Massachusetts 02110
                                        Attention: Esteban V. Koosau
                                        Fax: (617) 434-1096

                                        JPMORGAN CHASE BANK, as Agent

                                        By:______________________________
                                        Title: Vice President
                                        270 Park Avenue, 15th Floor
                                        New York, New York 10017
                                        Attention: Heather Lindstrom
                                        Fax: (212) 270-0412Exhibit 10.2

                             AMENDMENT NO. 1 TO THE
                        EMPLOYMENT CONTINUATION AGREEMENT

      This Amendment No. 1 (this "Amendment") to the Employment Continuation
Agreement dated October 15, 2001 (the "Agreement") by and among John Hancock
Life Insurance Company, a Massachusetts corporation (the "Company"), John
Hancock Financial Services, Inc., a Delaware corporation ("JHFS"), Michael A.
Bell (the "Executive") and Manulife Financial Corporation, a corporation
organized under the laws of Canada ("Manulife"), is dated this 28th day of
September, 2003.

      WHEREAS, the Agreement provides benefits and protection to the Executive
in the event of a Change in Control or Potential Change in Control (as such
terms are defined in the Agreement);

      WHEREAS, JHFS, Manulife and Jupiter Merger Corporation ("Merger Co.") have
entered into an Agreement and Plan of Merger dated as of the date hereof (the
"Merger Agreement") pursuant to which, and subject to the terms and conditions
of which, Merger Co. will merge with JHFS (the "Merger");

      WHEREAS, the Company, JHFS, the Executive and Manulife are entering into
this Amendment in reliance upon the acknowledgment by the Company, JHFS, the
Executive and Manulife that the Merger and the other transactions contemplated
by the Merger Agreement will, upon consummation thereof at the Effective Time,
constitute a "Change of Control" under the Agreement; and

      WHEREAS, in connection with the Merger, the Company, JHFS and the
Executive desire to amend the Agreement as set forth herein, and, for certain
purposes set forth below, Manulife desires to become a party to this Amendment.

      NOW, THEREFORE, in consideration of the premises and mutual covenants
herein contained, it is hereby agreed among the Company, JHFS, the Executive and
Manulife as follows:

1.    All capitalized, undefined terms used in this Amendment and not otherwise
      defined herein shall have the meanings assigned thereto in the Agreement.

2.    This Amendment shall become effective as of the date first set forth
      above; provided, however, that if the Merger Agreement is terminated prior
      to the Effective Time (as defined in the Merger Agreement), then this
      Amendment shall automatically terminate and shall be of no further force
      or effect. Each of the Company, JHFS, the Executive and Manulife
      acknowledges that the Merger and the other transactions contemplated by
      the Merger Agreement will, upon consummation thereof at the Effective
      Time, constitute a "Change of Control" under the Agreement.

3.    Sections 6 and 7 of the Agreement are hereby amended as follows:

            (a) Section 6(d) of the Agreement is amended by deleting the last
paragraph thereof and substituting therefor the following:

<PAGE>

            "Notwithstanding anything herein to the contrary, termination of
            employment by the Executive for any reason at any time during the
            one hundred eighty (180) day period commencing on the first
            anniversary date of the Effective Time of the Merger (as such terms
            are defined in the Agreement and Plan of Merger dated September 28,
            2003 by and among Manulife, JHFS and Merger Co. (the "Merger
            Agreement")) shall be deemed to constitute Good Reason."

            (b) Section 7(b-2) of the Agreement shall be amended by deleting the
entire section thereof and Section 7(b-1) shall be renamed "Section 7(b)" and
all references to Section 7(b-1) shall thereafter be deemed to be references to
Section 7(b); and

            (c) Subsection (iii) of Section 7(c) of the Agreement shall be
amended by deleting the entire section thereof and substituting therefor the
following:

            "Section Intentionally Omitted."

4.    By executing this Amendment, Manulife hereby expressly assumes and agrees
      to perform the Agreement, as amended by this Amendment, in accordance with
      Section 13 thereof; provided, however that the Executive hereby
      acknowledges and agrees that in no event shall anything in this Amendment
      (or the Agreement) be construed or applied to entitle the Executive to
      receive payments or benefits under the Agreement that are duplicative of
      any payments or benefits provided to the Executive by any of the Company,
      JHFS or Manulife under any other agreement or plan that provides for
      payments or benefits upon a change of control. Manulife further
      acknowledges and agrees to be bound by (1) the methodologies for
      determining the amounts payable to the Executive pursuant to the
      provisions of Sections 7(c), 7(d) and 7(f) of the Agreement and (2) the
      amounts that would be payable to the Executive if the Executive were
      entitled to receive the payments and benefits set forth in such Sections
      as of the Closing Date (as such term is defined in the Merger Agreement)
      in each case as such methodologies and amounts are set forth on Schedule A
      attached hereto. Manulife acknowledges that, in accordance with the
      Agreement, the Company shall designate in writing primary and alternate
      Accountants to Manulife on or prior to the Closing Date.

5.    Except as amended by this Amendment, all other terms of the Agreement
      shall remain in full force and effect; provided, that, until the earlier
      to occur of (i) the date that this Amendment terminates and is of no
      further force and effect pursuant to Section 2 of this Amendment and (ii)
      the Effective Time of the Merger, the Company, JHFS and the Executive each
      hereby agrees and acknowledges that the Agreement (as amended by this
      Amendment) shall not be amended without the prior written consent of
      Manulife. This Amendment shall apply solely to the transactions
      contemplated by the Merger Agreement and not to any transaction with a
      party other than Manulife and Merger Co.

6.    Subject to Section 5 of this Amendment, this Amendment shall be subject to
      the "Miscellaneous" provisions contained in Section 14 of the Agreement,
      which are incorporated by reference herein, provided that any notice or
      other communication under the Agreement or this Amendment to be delivered
      to Manulife shall be provided to the following address in accordance with
      Section 14(e) of the Agreement: Manulife Financial

<PAGE>

      Corporation, 200 Bloor Street East, Toronto, Ontario M4W 1E5, attention:
      General Counsel. This Amendment may be executed in or more counterparts
      and by the different parties hereto in separate counterparts, each of
      which when executed shall be deemed to be an original but all of which
      taken together shall constitute one and the same agreement.

<PAGE>

      IN WITNESS WHEREOF, the Executive has hereunto set the Executive's hand
and the Company, JHFS and Manulife have caused this Amendment to be executed in
their respective names and on their behalf, all as of the day and year first
above written.

                                          JOHN HANCOCK LIFE
                                          INSURANCE COMPANY

                                          By:___________________________
                                             Name: David F. D'Alessandro
                                             Title: Chairman, President and
                                                    Chief Executive Officer

                                          JOHN HANCOCK FINANCIAL
                                          SERVICES, INC.

                                          By:___________________________
                                             Name: David F. D'Alessandro
                                             Title: Chairman, President and
                                                    Chief Executive Officer

                                          EXECUTIVE:

                                          ______________________________
                                          Michael A. Bell

                                          MANULIFE FINANCIAL CORPORATION

                                          By:___________________________
                                             Name: Dominic D'Alessandro
                                             Title: President and Chief
                                                    Executive Officer

Signature Page to Amendment to Employment Continuation Agreement

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