Document:

<PAGE>

                                                                  Exhibit 10.3

                                  GECS/CAN.22.1

                                20 September 1999

                    Second Supplemental investment agreement

                    between

                    Inveresk Research Group Limited

                    Walter Nimmo and others

                    and

                    Candover Investments PLC and others
<PAGE>
<TABLE>
<CAPTION>
Contents                                                                    Page
--------                                                                    ----
<S>                                                                         <C>
1. Interpretation                                                              1
2. Amendment of Investment Agreement                                           2
3. Fees and expenses                                                           2
4. Counterparts                                                                2
5. Applicable law                                                              2
</TABLE>

Schedules

Schedule 1  The Directors

Schedule 2  The Investors

Schedule 3  Worked Example of the Ratchet
<PAGE>
THIS AGREEMENT IS MADE ON 20 SEPTEMBER 1999

between

(1)   INVERESK RESEARCH GROUP LIMITED (registered number 198206) having its
      registered office at Elphinstone Research Centre, Tranent, Edinburgh EH33
      2NE ("Newco");

(2)   THE PERSONS whose names are set out in Schedule 1 (together the
      "Directors" and each a "Director"); and

(3)   THE PERSONS whose names and addresses are set out in Schedule 2 (together
      the "Investors" and each an "Investor")

WHEREAS

(A)   Pursuant to an investment agreement dated 4 September 1999 (the
      "Investment Agreement") the Directors and the Investors agreed to invest
      in Newco for the purposes of and subject to the terms and conditions of
      the Investment Agreement.

(B)   The parties have agreed to enter into this Agreement which is
      supplementary to the Investment Agreement.

IT IS HEREBY AGREED as follows:

1.          Interpretation

1.1         Unless the context otherwise requires, expressions defined in the
            Investment Agreement shall have the same meaning in this Agreement.

1.2         Reference to "Recitals", "Clauses" and "Schedules" and to
            sub-divisions thereof are to recitals and clauses of and the
            schedules to this Agreement and sub-divisions thereof. The Schedules
            shall form part of this Agreement.

1.3         The headings in this Agreement are for convenience only and shall
            not affect its construction or interpretation.

1.4         Unless the context otherwise requires:

1.4.1       words denoting the singular shall include the plural and vice versa;

1.4.2       words denoting a gender shall include all genders; and

1.4.3       references to persons shall include natural persons, bodies
            corporate, unincorporated associations, partnerships, joint
            ventures, trusts or other entities or organisations of any kind,
            including (without limitation) government entities (or political
            subdivisions or agencies or instrumentalities thereof).
<PAGE>
                                       2

2.          Amendment of Investment Agreement

            The addition of a new clause 5.4 of the Investment Agreement to be
            inserted at the end of the existing clause 5.3 of the Investment
            Agreement as follows:

            "5.4  The parties agree and acknowledge that the document set out in
                  Schedule 3 to the second supplemental investment agreement
                  dated 20 September 1999 between the parties thereto named
                  "Worked Example of the Ratchet" is a worked example of the
                  intended commercial effect of the provisions of the Schedule
                  to the Articles".

3.          Fees and expenses

            All legal and accountancy fees (plus any expenses and VAT) of the
            Investors in relation to this Agreement shall be for the account of
            Newco and shall be payable on the date of completion of the
            Investment Agreement.

4.          Counterparts

            This Agreement may be executed in any number of counterparts by the
            different parties hereto on separate counterparts, each of which
            when executed and delivered shall constitute an original, but all of
            which shall together constitute one and the same instrument.

5.          Applicable law

            This Agreement shall be governed by and construed in accordance with
            English law and all the parties hereto irrevocably submit to the
            non-exclusive jurisdiction of the High Court in London as regards
            any claim, dispute or matter arising out of or relating to this
            Agreement or any of the documents to be executed pursuant to it.

AS WITNESS WHEREOF this Agreement has been executed on the date first above
written.
<PAGE>
                                       3

                                   Schedule 1

                                 The Directors

Walter Nimmo

Ian Sword

Stewart Leslie
<PAGE>
                                       4

                                   Schedule 2

                                 The Investors

Name & Address

Candover Investments PLC
20 Old Bailey
London EC4M 7LN

Candover Trustees Limited
20 Old Bailey
London EC4M 7LN

Candover 1997 UK Limited
Partnership, 20 Old Bailey,
London EC4M 7LN acting by
their general partner Candover
Partners Limited

Candover 1997 UK No 2
Limited Partnership, 20
Old Bailey, London EC4M 7LN
acting by their general partner
Candover Partners Limited

Candover 1997 US No 1
Limited Partnership, 20 Old
Bailey, London EC4M 7LN
acting by their general partner
Candover Partners Limited

Candover 1997 US No 2
Limited Partnership, 20 Old
Bailey, London EC4M 7LN
acting by their general partner
Candover Partners Limited

Candover 1997 US No 3
Limited Partnership)20 Old
Bailey, London EC4M 7LN
acting by their general partner
Candover Partners Limited
<PAGE>
                                       5

                                   Schedule 3

                         Worked Example of the Ratchet
<PAGE>
                                       6

Signed as a deed for and on behalf of           )  /s/ Ian Gray
Inveresk Research Group Limited                 )  _____________________________
acting by Ian Gray, director,                   )  Director
in the presence of this witness:                )

           /s/ Ewan Gilchrist
Witness    __________________________________

           Ewan Caldwell Gilchrist
Full Name  __________________________________

           11 Walker St.
Address    __________________________________

           Edinburgh
           __________________________________

           __________________________________

Signed as a deed for and on behalf of           )  /s/ Ian Gray
Candover Investments PLC                        )  _____________________________
acting by Ian Gray, director,                   )  Director
in the presence of this witness:                )

           /s/ Ewan Gilchrist
Witness    __________________________________

Full Name  __________________________________

             As above
Address    __________________________________

           __________________________________

           __________________________________

Signed as a deed for and on behalf of           )  /s/ Ian Gray
Candover Trustees Limited                       )  _____________________________
acting by Ian Gray as their attorney            )  Attorney
in the presence of this witness:                )

           /s/ Ewan Gilchrist
Witness    __________________________________

Full Name  __________________________________

             As above
Address    __________________________________

           __________________________________

           __________________________________
<PAGE>
                                       7

Signed as a deed for and on behalf of           ) /s/ Ian Gray
Candover 1997 UK Limited Partnership            )  _____________________________
acting by Ian Gray as their attorney            )  Attorney
in the presence of this witness:                )

           /s/ Ewan Gilchrist
Witness    __________________________________

Full Name  __________________________________
           As above
Address    __________________________________

           __________________________________

           __________________________________

Signed as a deed for and on behalf of           )  /s/ Ian Gray
Candover 1997 UK No 2 Limited Partnership       )  _____________________________
acting by Ian Gray as their attorney            )  Attorney
in the presence of this witness:                )

           /s/ Ewan Gilchrist
Witness    __________________________________

Full Name  __________________________________
           As above
Address    __________________________________

           __________________________________

           __________________________________

Signed as a deed for and on behalf of           )  /s/ Ian Gray
Candover 1997 US No 1 Limited Partnership       )  _____________________________
acting by Ian Gray as their attorney            )  Attorney
in the presence of this witness:                )

           /s/ Ewan Gilchrist
Witness    __________________________________

Full Name  __________________________________
           As above
Address    __________________________________

           __________________________________

           __________________________________

<PAGE>
                                       8

Signed as a deed for and on behalf of           )  /s/ Ian Gray
Candover 1997 US No 2 Limited Partnership       )  _____________________________
acting by Ian Gray as their attorney in         )  Attorney
the presence of this witness:                   )

           /s/ Ewan Gilchrist
Witness    __________________________________
           As Above
Full Name  __________________________________

Address    __________________________________

           __________________________________

           __________________________________

Signed as a deed for and on behalf of           )  /s/ Ian Gray
Candover 1997 US No 3 Limited Partnership       )  _____________________________
acting by Ian Gray as their attorney in         )  Attorney
the presence of this witness:                   )

           /s/ Ewan Gilchrist
Witness    __________________________________
           As Above
Full Name  __________________________________

Address    __________________________________

           __________________________________

           __________________________________

                                                )  /s/ Walter Nimmo
Signed as a deed by Walter Nimmo                )  _____________________________
in the presence of this witness:                )  Walter Nimmo

           /s/ Ewan Gilchrist
Witness    __________________________________
           As Above
Full Name  __________________________________

Address    __________________________________

           __________________________________

           __________________________________

                                                )  /s/ Ian Sword
Signed as a deed by Ian Sword                   )  _____________________________
in the presence of this witness:                )  Ian Sword

           /s/ Ewan Gilchrist
Witness    __________________________________
           As Above
Full Name  __________________________________

Address    __________________________________

           __________________________________

<PAGE>
                                                )  /s/ Stewart Leslie
Signed as a deed by Stewart Leslie              )  _____________________________
in the presence of this witness:                )  Stewart Leslie

           /s/ Ewan Gilchrist
Witness    __________________________________
           As Above
Full Name  __________________________________

Address    __________________________________

           __________________________________

           __________________________________<PAGE>
                                                                    Exhibit 10.4

                        EDINBURGH

                        OUR REF   LRK/GECS/CAN.22.1/AB

                        DATE    20 September 1999

                        Inveresk Research Group Limited

                        Instrument

                        Constituting L27,037,500 Unsecured
                        Subordinated Loan Stock 2008

                        Maclay Murray & Spens
                            Solicitors

                        EDINBURGH GLASGOW LONDON BRUSSELS

                        3 GLENFINLAS STREET
                        EDINBURGH EH3 6AQ

                        DX EDINBURGH BOX NO 137  TEL.:  0131 226 5196
<PAGE>
THIS INSTRUMENT is made by way of deed on                         1999

BY INVERESK RESEARCH GROUP LIMITED (registered number 198206) whose registered
office is at Research Centre, Tranent, Edinburgh EH33 2NE (the "Company").

WHEREAS the Company has, by resolution of its board of directors passed on l999,
created and authorised the issue of a maximum nominal amount of L27,037,500
Unsecured Subordinated Loan Stock 2008 to be constituted as hereinafter provided
and subject to, and with the benefit of, the schedules hereto which shall be
deemed to form part of this instrument.

BY THIS DEED THE COMPANY DECLARES AND COVENANTS AS FOLLOWS:-

1.       Definitions and Interpretation

1.1      In this instrument and the schedules the following words and
         expressions shall have the following meanings, unless the context
         otherwise requires:-

         "Articles" means the articles of association of the Company (and as
         amended from time to time);

         "Bank" means The Royal Bank of Scotland plc (including in it capacity
         as agent and trustee for any other persons);

         "business day" means a day (excluding Saturdays) on which banks
         generally are open in London for the transaction of normal banking
         business;

         "Conditions" means the conditions of the Loan Stock as set out in
         schedule 2;

         "Directors" means the board of directors for the time being of the
         Company;

         "Extraordinary Resolution" means an extraordinary resolution as defined
         in paragraph 18 of schedule 4;

         "Interest Rate" has the meaning set out in Condition 7.4;

         "Listing" has the same meaning as in the Articles; "North American
         person" means:-

         (a)      any individual who is a resident or individual of the United
                  States;

         (b)      a corporation, partnership or other entity created or
                  organised in or under the laws of the United States or any
                  state thereof or an estate or trust the income of which is
                  subject to United States federal income taxation regardless of
                  its source; and

         (c)      any individual, corporation, partnership, trust or other
                  entity resident in Canada.

         provided that the term "North American person" shall not include a
         branch or agency of a United States bank or insurance company that is
         operating outside the United States for valid business reasons as a
         locally registered branch or agency engaged in the banking and
         insurance business and not solely for the purpose of investing in
         securities not registered under the United States Securities Act of
         1933;
<PAGE>
         "these presents" means this instrument and the schedules and includes
         any instrument supplemental to this instrument;

         "Register" means the register of holders of the Loan Stock kept by the
         Company;

         "Sale" has the same meaning as in the Articles;

         "Loan Stock" means the L27,037,500 Senior Unsecured Subordinated Loan
         Stock 2008 constituted by this instrument or, as the case may be, the
         principal amounts represented by them and for the time being issued and
         outstanding;

         "Stockholder" means a person whose name is entered in the Register as
         the holder of Loan Stock;

         "intercreditor agreement" means the intercreditor agreement (if any)
         entered into between the Company, the Bank, the Stockholders and others
         as the same may be amended, varied or supplemented from time to time;
         and

         "United States" means the United States of America.

1.2      Subject as herein expressly defined any words and expressions defined
         in the Companies Act 1985 and 1989 shall have the meanings therein
         ascribed to them.

1.3      References to any provision of any statute shall be deemed also to
         refer to any statutory modification or re-enactment thereof from time
         to time in force.

1.4      Words denoting persons shall include corporations, the masculine gender
         shall include the feminine and the singular shall include the plural
         and vice versa.

1.5      References to this "instrument" or this "deed" include, where the
         context so admits, the schedules hereto.

1.6      The headings are for convenience only and shall not affect the
         interpretation hereof.

2.       Amount of the Loan Stock

2.1      The aggregate nominal amount of the Loan Stock constituted by this
         instrument is limited to L27,037,500.

2.2      The Loan Stock will be issued in registered form in denominations of
         L1.00 in nominal amount or integral multiples thereof and shall
         (subject to the intercreditor agreement) be transferable in accordance
         with schedule 2.

3.       Status of the Loan Stock

3.1      The Loan Stock represents a direct and unsecured obligation of the
         Company for the due and punctual payment of the principal in respect of
         it and for the performance of all the obligations of the Company with
         respect to it.

3.2      The Loan Stock when issued will rank pari passu equally and rateably
         without discrimination or preference as unsecured obligations of the
         Company and with all other unsecured indebtedness of the Company expect
         to the extent provided by law.

                                       2
<PAGE>
3.3      The Loan Stock will rank behind the obligations of the Company to the
         Bank to the extent and in the manner set out in the intercreditor
         agreement.

3.4      The Loan Stock shall be known as Unsecured Subordinated Loan Stock
         2008.

4.       Certificate for Loan Stock

         Each Stockholder shall be entitled to a certificate stating the nominal
         amount of the Loan Stock held by him. Each certificate shall bear a
         denoting number, shall (subject as provided in the clause 4) be
         executed by the Company, shall be in the form set out in schedule 1 and
         shall have endorsed on it conditions in the form set out in schedule 2.
         The Company shall not be bound to register more than four persons as
         joint holders of any Loan Stock. Joint holders of Loan Stock will be
         entitled to only one certificate in respect of their joint holdings and
         the Loan Stock will be delivered to that one of the joint holders who
         is first-named in the Register in respect of the joint holding or to
         such other person as the joint holders may, in writing, direct.
         Delivery of a certificate to one of such persons shall be sufficient
         delivery to all. When a Stockholder has transferred or had redeemed
         part only of his Loan Stock the old certificate shall be cancelled and
         a new certificate for the balance of such Loan Stock issued without
         charge.

5.       Covenants by the Company

         The Company HEREBY COVENANTS with the Stockholders and each of them to
         comply with the terms of the Loan Stock and, subject to the
         intercreditor agreement, to observe and perform the Conditions, which
         conditions shall be deemed to be incorporated in this instrument and
         shall be binding on the Company and the Stockholders and all persons
         claiming through or under them respectively.

6.       Register of Stockholders

6.1      The Company shall cause a register to be maintained in respect of the
         Loan Stock in accordance with the provisions of schedule 3.

6.2      The provisions relating to the Register set out in schedule 3 shall be
         deemed to be incorporated in this instrument and shall be binding on
         the Company and the Stockholders and on all persons claiming through or
         under them respectively.

7.       Meetings of Stockholders

         The provisions for meeting of holders of the Loan Stock set out in
         schedule 4 shall be deemed to be incorporated in this instrument and
         shall be binding on the Company and the Stockholder and on all persons
         claiming through or under them respectively.

8.       Foreign Stockholders

         The Loan Stock has not been and will not be registered under the United
         States Securities Act of 1933, nor under any of the relevant securities
         laws of any province or territory of Canada or Australia. Accordingly,
         unless an exemption under such Act or Laws is applicable, the Loan
         Stock may not be offered, sold or delivered, directly or indirectly, in
         or into the United States, Canada or Australia or to or for the account
         or benefit of any North American person or resident of Canada or
         Australia.

                                       3
<PAGE>
9.       Intercreditor Agreement

         The rights of the Stockholders are subject to the provisions of the
         intercreditor agreement as if the terms thereof were incorporated in
         this Instrument.

10.      Further Loan Stock

         The Company shall, subject to the intercreditor agreement, be entitled
         from time to time by resolution of its board, to cancel any created but
         unissued Loan Stock or to create and issue further Secured Loan Stock
         to be constituted by deed or instrument expressed to be supplemental
         hereto either so as to be identical in all respects and form a single
         series with the Loan Stock or to carry such rights as to interest,
         redemption and otherwise as the board may think fit.

11.      Governing Law

11.1     These presents (and any dispute, controversy, proceedings or claim of
         whatever nature arising out of or in any way relating to this
         instrument or the constitution of the Loan Stock) shall be governed by
         and construed in accordance with English law.

11.2     The Company irrevocably agrees that the courts of England shall have
         exclusive jurisdiction to hear and decide any suit, action or
         proceedings, and/or to settle any disputes, which may arise out of or
         in connection with them and, for these purposes, each party irrevocably
         submits to the jurisdiction of the courts of England.

IN WITNESS whereof this instrument has been executed as a deed and has been
delivered on the date which appears first on page 1.

                                       4
<PAGE>
                                   SCHEDULE 1

                         Form of Loan Stock Certificate

<TABLE>
<CAPTION>
Certificate No.       Transfer No.         Date            Nominal Amount
---------------       ------------         ----            --------------
<S>                   <C>                 <C>              <C>

                                                           L.............
</TABLE>

                         INVERESK RESEARCH GROUP LIMITED

                       (Registered in Scotland No. 198206)

                     UNSECURED SUBORDINATED LOAN STOCK 2009

Issue of L27,037,500 Unsecured Subordinated Loan Stock 2009 (the "Loan Stock"),
created and issued by INVERESK RESEARCH GROUP LIMITED (the "Company") pursuant
to a resolution of the board of directors passed on                 1999.

THIS IS TO CERTIFY that                       of                          is/are
the registered holder(s) of L_ nominal of the above mentioned Loan Stock which
is constituted by an instrument made by the Company on 20 September 1999 (the
"Instrument") and is issued with the benefit of and subject to the provisions
contained in the instrument and the conditions endorsed hereon. The Loan Stock
was subscribed for at its nominal value and is redeemable in accordance with the
conditions endorsed hereon.

The Loan Stock is issued subject to the intercreditor agreement (if any)
executed by the Company, the Stockholders, certain investors and The Royal Bank
of Scotland plc on the same date as the instrument (the "intercreditor
agreement").

Dated               1999

Notes:   (i)      Where the context so admits, words and expressions defined in
                  the instrument shall bear the same respective meanings in the
                  conditions endorsed hereon.

         (ii)     The Loan Stock is transferable in amounts or multiples of
                  L1.00, provided that no transfer shall be effective unless and
                  until the transferee of such Loan Stock has acceded to the
                  intercreditor agreement in the manner specified in the
                  intercreditor agreement and until such time the name of the
                  transferee shall not be entered into the Register. No
                  transfer, whether of the whole or any part of the Loan Stock
                  comprised in this certificate will be accepted for
                  registration unless accompanied by this certificate and lodged
                  at the registered office of the Company.

         (iii)    This Loan Stock has not been and will not be registered under
                  the United States Securities Act of 1933, nor under any of the
                  relevant securities laws of any province or territory of
                  Canada or Australia. Accordingly, unless an exemption under
                  such Act or laws is applicable this Loan Stock may not be
                  offered, sold or delivered, directly or

                                       5
<PAGE>
                  indirectly in or into the United States, Canada or Australia
                  or to or for the account or benefit of any North American
                  person or resident of Australia or Canada.

         (iv)     The Loan Stock is repayable in accordance with the conditions
                  endorsed hereon and is subject to the provisions of the
                  intercreditor agreement, a copy of which is available from the
                  Company on request.

EXECUTED as a deed by             )
INVERESK RESEARCH GROUP LIMITED   )
acting by:                        )
                                  )
                                  )
Director                          )
                                  )
Director/Secretary                )

                                       6
<PAGE>
                                   SCHEDULE 2

                                   Conditions

1.       Form and Status

         The Loan Stock constitutes subordinated unsecured obligations of the
         Company. The instrument pursuant to which the Loan Stock is issued does
         not contain any restrictions on borrowing, charging or disposal of
         assets by the Company or any of its subsidiaries.

2.       Repayment, Prepayment, Purchase and Redemption

2.1      If not previously repaid or repaid pursuant to conditions 2.2, Loan
         Stock will be repaid by the Company at par (pro rata as nearly as may
         be (without involving the repayment of a faction of L1.00 nominal of
         the Loan Stock) to each Stockholder's holding of Loan Stock) in one
         installment on 30 June 2008 (the "Repayment Date").

2.2      In the event of a Sale or Listing, the Company shall on the day of the
         Sale or Listing repay any Loan Stock not previously redeemed or repaid
         and the Loan Stock shall then forthwith be deemed to be cancelled and
         shall not be available for re-issue.

2.3      If at any time, the principal amount of all outstanding Loan Stock
         shall be equal to 25 per cent, or less of the total nominal amount of
         Loan Stock prior to that time the Company shall be entitled upon giving
         to the remaining Stockholders not less than 30 days' notice in writing,
         to redeem, on the expiry date of such notice, all (but not part only)
         of the outstanding Loan Stock by payment of the principal amount
         thereof.

2.4      The Company may at any time purchase any Loan Stock by tender
         (available to all holders alike) or by private treaty at any price.

2.5      Redemption, repayment, prepayment and purchase of the Loan Stock
         pursuant to conditions 2.1 to 2.4 and 3 (or any of them) shall at all
         times be subject to the intercreditor agreement.

3.       Events of Default

3.1      The principal amount of the Loan Stock to the extent that it has not
         been previously repaid or purchased by the Company shall, subject to
         the intercreditor agreement immediately become repayable in each and
         every of the following events upon written notice of Stockholders
         holding at least half of the Loan Stock or the passing of an
         Extraordinary Resolution requiring such redemption whilst the same is
         continuing:-

         (a)      the Company fails to pay, within 14 days of the due date, any
                  principal moneys payable on the repayment of any of the Loan
                  Stock; or

         (b)      the Company fails to observe or perform any of its obligations
                  (other than its obligations to redeem the Loan Stock) under
                  this instrument if such failure is not capable of remedy or is
                  capable but continues for 14 days after written notice has
                  been given by any Stockholder requiring remedy thereof; or

         (c)      an order is made or an effective resolution is passed for
                  winding up the Company (other than a voluntary winding-up for
                  the purpose of amalgamation or reconstruction

                                       7
<PAGE>
                  whereunder a successor company undertakes, on terms and in
                  circumstances previously approved by an Extraordinary
                  Resolution, the obligations of the Company hereunder); or

         (d)      the Company ceases to pay its debts or ceases or threatens to
                  cease to carry on its business or any part of its business:

         (e)      the security constituted by any mortgage, charge or other
                  security document executed by the Company upon the whole or
                  any material part of the assets or undertaking of the Company
                  becomes enforceable and steps are taken to enforce the same.

3.2      At any time after the Loan Stock has become repayable under the
         provisions of this condition, any Stockholder may, subject to the terms
         of the intercreditor agreement without notice institute such proceeding
         as he may think fit to enforce repayment of the Loan Stock.

3.3      The Company shall notify the Stockholders forthwith of the happening of
         any of the events specified in condition 3.1.

4.       Method of Payment

         Payment of the principal monies payable upon the Loan Stock, or any
         part thereof, may, subject to the terms of the intercreditor agreement
         be made by cheque, warrant or money order sent through the post at the
         risk of the Stockholder to the registered address of the Stockholder
         or, in the case of joint Stockholders, to the registered address of
         that one of them who is first named on the Register or by a bank or
         other funds transfer system. Every such cheque, warrant or money order
         shall be made payable to the order of the person to whom it is sent and
         payment of the cheque, warrant or money order shall be a satisfaction
         of the principal represented thereby. If payment is made by a bank or
         other funds transfer, the Company shall not be responsible for amounts
         lost or delayed in the course of the transfer.

5.       Surrender of certificate

5.1      Every Stockholder any part of whose Loan Stock is due to be repaid
         under any of the provisions of these conditions shall, not later than
         the due date for such repayment, deliver the relevant certificates for
         such Loan Stock to the registered office of the Company or as it shall
         direct. Unless payment of the amount due to be repaid has already been
         made in accordance with condition 4 above, upon such delivery and
         against a receipt for the principal moneys payable in respect of the
         Loan Stock to be repaid, the Company shall, subject to the terms of the
         intercreditor agreement pay to the Stockholder the amount payable to
         him in respect of such repayment in accordance with condition 4. If
         part only of any Loan Stock as evidenced by the relevant certificate so
         delivered is then due to be repaid, the Company shall either endorse
         such Loan Stock certificate with a memorandum of the date and amount
         paid to the holder of such Loan Stock and return it to the Stockholder
         or shall cancel such Loan Stock certificate and without charge issue to
         such Stockholder a new Loan Stock certificate for the balance of the
         principal amount due to him.

5.2      If any Stockholder, any part of whose Loan Stock is liable to be repaid
         under these conditions, shall fail or refuse to deliver up the
         certificate(s) for such Loan Stock at the time and place fixed for
         repayment thereof or should fail or refuse to accept payment of the
         repayment monies payable in respect thereof, the monies payable to such
         Stockholder shall be set aside by the Company and paid into a separate
         bank account and held by the Company in trust for such Stockholder but
         without interest and such setting aside shall be deemed for all the
         purposes of these conditions to

                                       8
<PAGE>
         be a payment to such Stockholder and the Company shall thereby be
         discharged from all obligations in connection with such Loan Stock. If
         the Company shall place the said monies on deposit at a bank, the
         Company shall not be responsible for the safe custody of such monies or
         for interest thereon except such interest (if any) as the said monies
         may earn whilst on deposit, less any expenses incurred by the Company
         in connection therewith.

6.       Cancellation

         All Loan Stock purchased or repaid by the Company shall be cancelled
         and shall not be available for reissue.

7.       Interest

7.1      Until such time as the Loan Stock is repaid or purchased in accordance
         with these Conditions and the intercreditor agreement, the Company will
         pay interest at the Interest Rate on the principal amount on the Loan
         Stock (subject to any requirement to deduct tax) six monthly in arrears
         on 30 June and 31 December ("Interest Payment Dates") in each case only
         to persons who are registered as Stockholders at the close of business
         on the relevant record date, provided that the first payment of
         interest in respect of the Loan Stock will be made on 31 December 1999
         in respect of the period from the date of issue of such Loan Stock up
         to and including 31 December 1999. In respect of such Loan Stock each
         six month period is referred to as an "Interest Period". For the
         avoidance of doubt interest may only be paid with the consent of the
         Bank.

7.2      All payments of interest due to be made by the Company hereunder shall
         be made after deduction of any present or future taxes, if the Company
         if legally obliged to make such deduction. The Company will produce a
         certificate of deduction or withholding in respect of the amount
         deducted or withheld together with evidence to the relevant Stockholder
         that the amount so deducted or withheld has been duly accounted for to
         the relevant authorities.

7.3      The "record date" shall mean the thirtieth day before the relevant
         Interest Payment Date or, if such day it not a business day, then the
         next following business day and every Stockholder shall be deemed for
         the purposes of these presents to be the holder on such date of the
         Stock held by him on such preceding date, notwithstanding any
         intermediate transfer or transmission of any such Stock.

7.4      Interest for any Interest Period (the "Interest Rate") shall be paid at
         the rate of ten per cent. per annum.

7.5      The amount of interest payable on the Loan Stock shall be calculated by
         applying the Interest Rate to the principal amount of the Loan Stock
         and multiplying such sum by the actual number of days in the Interest
         Period concerned (or such other period during which interest has
         accrued but remains unpaid hereunder) divided by 365 or, in the case of
         an Interest Payment Date falling in a leap year, 366 and by rounding up
         the resultant figure to the nearest penny. The calculation of each
         interest amount shall, in the absence of manifest error, be final and
         binding.

7.6      Interest on any Loan Stock becoming liable to repayment shall cease to
         accrue as from the due date for repayment of such Loan Stock unless the
         Company shall fail to repay such Loan Stock on such due date (otherwise
         than by reason of a failure of the relevant Stockholder to provide such
         documents and other information as he is required to provide pursuant
         to Conditions 2, 3, 4 and 5), in which case interest shall continue to
         accrue from the due date for repayment until the actual date of
         repayment at the Rate of Interest prevailing immediately prior to the
         relevant due

                                       9
<PAGE>
         date. If the Stockholder fails to provide such documents and other
         information as aforesaid, interest shall cease to accrue from the due
         date for repayment until the date on which such documents and
         information are produced and shall accrue thereafter at the Default
         Rate until the actual date of payment.

7.7      Any interest due to the Stockholder which remains unclaimed after the
         period of six years from the date on which such interest was first
         payable shall, subject to the intercreditor agreement revert to the
         Company notwithstanding that in the intervening period the obligation
         to pay the same may have been provided for in the books, accounts and
         the other records of the Company.

8.       Additional Loan Stock

8.1      Each Stockholder shall be entitled to acquire with the consent of the
         Company (by subscription at part of an amount equal to up to one tenth
         of such Stockholder's holding of Loan Stock) additional Loan Stock to
         be issued by a subsidiary of the Company (the "Additional Loan Stock")
         on terms and conditions substantially the same as those applicable to
         the Loan Stock and subject always to the intercreditor agreement,
         subject as follows:-

         (a)      this right shall be exercisable whilst any Loan Stock is
                  outstanding by giving not less than 30 days' prior written
                  notice to the Company together with payment in full in
                  immediately available funds and shall be exercisable only once
                  in relation to each Loan Stock; and

         (b)      the Additional Loan Stock shall not include any right to
                  acquire additional securities.

9.       Modification

         The provisions of the instrument and the rights of the Stockholders
         may, subject to the intercreditor agreement from time to time be
         modified, abrogated or compromised in any respect by the Company with
         the written consent of the holders of 75 per cent. in nominal amount of
         the Loan Stock then in issue or the sanction of an Extraordinary
         Resolution of the Stockholders as provided in the instrument.

10.      Registration, Transfer and Marketability

10.1     The Loan Stock is transferable, subject to and in accordance with the
         provisions of the instrument, in amounts of L1.00 or integral multiples
         thereof provided that any transferee of any Loan Stock shall accede to
         the intercreditor agreement in the manner specified therein prior to
         the name of the transferee being entered in the Register.

10.2     No application has been or is intended to be made to any stock exchange
         for any of the Loan Stock to be listed or otherwise traded.

11.      Lost or Destroyed Certificates

         If a Loan Stock certificate is defaced, lost or destroyed it may be
         renewed on payment of such fee as is reasonable and on such terms (if
         any) as to evidence and indemnity as the Directors may require but so
         that in the case of defacement the defaced Loan Stock certificate shall
         be surrendered before a new certificate is issued. An entry as to the
         issue of a new Loan Stock certificate and indemnity (if any) shall be
         made in the Register.

                                       10
<PAGE>
12.      Notice to Stockholders

12.1     Any notice or other document (including Loan Stock certificates) may be
         served on a Stockholder by sending the same by post in a prepaid letter
         addressed to such Stockholder at his registered address, in the United
         Kingdom or (if he has no registered address within the United Kingdom)
         to the address, if any, within the United Kingdom supplied by him to
         the Company as his address for the service of notices.

12.2     In the case of joint Stockholders a notice or document served on the
         Stockholder whose name stands first in the Register shall be sufficient
         notice to all the joint Stockholders.

12.3     Any notice or other document may be served on the person entitled to
         Loan Stock in consequence of the death or bankruptcy of any Stockholder
         by sending the same by post, in a prepaid letter addressed to him by
         name or by the title of the representatives or trustees of such
         Stockholder, at the address (if any) in the United Kingdom supplied for
         the purpose by such persons or (until such address is supplied) by
         giving notice in the manner in which it would have been given if the
         death or bankruptcy had not occurred.

13.      Notices to the Company

         Any notice, demand or other document (including Loan Stock certificates
         and transfers of Loan Stock) may be served on the Company by sending
         the same by post in a prepaid letter to the registered office of the
         Company or to such other address as the Company may from time to time
         notify Stockholders.

14.      Service of Notices

         Any notice or document served by post shall be deemed to have been
         served on the day after it is posted or, if such day is not a business
         day, then on the next following business day and in proving such
         service it shall be sufficient in to prove that the letter containing
         the notice was properly addressed, stamped and posted.

15.      Inspection of the Instrument

         A copy of the instrument shall be kept at the registered office of the
         Company. A Stockholder and any person authorised by a Stockholder may
         at all reasonable times during office hours inspect such copy.

16.      Intercreditor Agreement

         The rights of the Stockholder are subject to the provisions of the
         intercreditor agreement as if such provisions were incorporated in this
         instrument.

                                       11
<PAGE>
                                   SCHEDULE 3

                          Provisions as to the Register

1.       Register of Loan Stock

1.1      The Company shall cause a register to be maintained at the registered
         office of the Company showing the amount of the Loan Stock for the time
         being issued, the date of issue and the amount of Loan Stock for the
         time being outstanding, the names and addressed of the Stockholders,
         the nominal amounts of the Loan Stock held by them respectively and all
         transfers or changes of ownership of the Loan Stock.

1.2      Any change of name or address on the part of any holder of Loan Stock
         shall forthwith be notified by the holder to the Company and the
         Company shall alter the Register accordingly.

2.       Recognition of Stockholder as Absolute Owner

2.1      Except as required by law, the Company will recognise the registered
         holder of any Loan Stock as the absolute owner thereof and shall not
         (except as ordered by a court of competent jurisdiction) be bound to
         take notice or see to the execution of any trust, whether express,
         implied or constructive, to which any Loan Stock may be subject and the
         Company may accept the receipt of the registered holder for the time
         being of any Loan Stock, or in the case of joint registered holders the
         receipt of any of them, for the principal monies payable in respect
         thereof or for any other moneys payable in respect thereof as a good
         discharge to the Company notwithstanding any notice it may have whether
         express or otherwise of the right, title, interest or claim of any
         other person to or in such Loan Stock or moneys.

2.2      If a warrant in payment of any amounts due to the registered holders of
         any Loan Stock, made payable and despatched in accordance with the
         conditions, is encashed such encashment shall be deemed to be a good
         discharge to the Company notwithstanding any notice it may have whether
         express or otherwise of the right, title, interest or claim of any
         other person to or in such moneys.

2.3      No notice of any trust, express, implied or constructive, shall (except
         as by statute provided or as required by order of a court of competent
         jurisdiction) be entered in the Register in respect of any Loan Stock.

3.       Exclusion of Equities

         The Company will recognise every holder of Loan Stock as entitled to
         his Loan Stock free from any equity, set-off or cross-claim on the part
         of the Company against the original or any intermediate holder of the
         Loan Stock.

4.       Transferability of Loan Stock

4.1      Every holder of Loan Stock will be entitled (subject to the
         intercreditor agreement and as hereinafter provided) to transfer the
         same or any part (being an amount or integral multiple of L1.00 by an
         instrument in writing in the usual or common form or such other form as
         the Company may accept provided that no transfer shall be effective
         unless and until the transferee of such Loan Stock shall have acceded
         to the intercreditor agreement, and until such time the name of the
         transferee shall not be entered in the Register. There shall not be
         included in any instrument of transfer any Loan Stock other than the
         Loan Stock constituted by the instrument.

                                       12
<PAGE>
4.2      Every instrument of transfer must be signed by the transferor and the
         transferee or where the transferor or the transferee is a corporation
         given under its common seal or signed on its behalf by a duly
         authorised officer or agent and the transferor shall remain the owner
         of the Loan Stock to be transferred until the name of the transferee is
         entered in the Register in respect thereof.

4.3      Every instrument of transfer must be pledged for registration at the
         place where the Register shall for the time being be kept accompanied
         by the certificate for the Loan Stock all or part of the nominal amount
         of which is to be transferred and such other evidence as the directors
         or other officers of the Company authorised to deal with transfers may
         require to prove the title of the transferor or his right to transfer
         the Loan Stock and, if the instrument of transfer is executed by some
         other person on his behalf, the authority of the person signing the
         same.

4.4      No transfer shall be registered of Loan Stock in respect of which a
         notice requiring repayment has been given.

4.5      All instruments of transfer which shall be registered may be retained
         by the Company.

5.       No fee for registration of transfers

         No fee shall be charged for the registration of any transfer or for the
         registration of an probate, letters of administration, certificate of
         marriage or death, power of attorney or other document relating to or
         affecting the title to any Loan Stock.

6.       Death or Bankruptcy of Stockholders

6.1      The executors or administrators of deceased Stockholders (not being one
         of several joint holders) shall be the only persons recognised by the
         Company as having any title to or interest in such Loan Stock.

6.2      In the case of the death of any of the joint holders of Loan Stock the
         survivors or survivor will be the only persons or person recognised by
         the Company as having any title to or interest in such Loan Stock.

6.3      Any person becoming entitled to Loan Stock in consequence of the death
         or bankruptcy of any Stockholder or of any other event giving rise to
         the transmission of such Loan Stock by operation of law may, upon
         producing such evidence that he sustains the character in respect of
         which he proposes to act under this paragraph or of his title as the
         directors shall think sufficient, be registered himself as the holder
         of the Loan Stock or subject to the preceding paragraphs may transfer
         the Loan Stock provided that no such registration or transfer shall be
         effective unless and until such person or transferee of the Loan Stock
         has acceded to the intercreditor agreement in the manner specified
         therein and until such time the name of such person or transferee shall
         not be entered into Register.

7.       Receipt of Joint Holders

         If several persons are entered in the register as joint registered
         holders of any Loan Stock then, without prejudice to paragraph 2 above,
         the receipt of any one of such persons for any principal or other
         monies payable in respect of such Loan Stock shall be as effective a
         discharge to the Company as if the person signing such receipt were the
         sole registered holder of such Loan Stock.

                                       13
<PAGE>
8.       The Register

8.       1 A Stockholder and any person authorised by him may at all reasonable
         times during office hours inspect the Register and upon payment of a
         reasonable charge take copies of, or extracts from, the Register or any
         part of it.

8.2      The Register may be closed by the Company for such periods and at such
         times (not exceeding 30 business days in any one year) as it may think
         fit and during such period the Company shall be under no obligation to
         register transfers of the Loan Stock.

9.       Replacement of Certificates

         If the certificate for any Loan Stock is lost, defaced or destroyed, it
         may be renewed, on such terms (if any) as to evidence and indemnity as
         the directors may require, but so that the case of defacement the
         defaced certificate shall be surrendered before the new certificate is
         issued.

10.      Risk to Stockholders

         All certificates, other documents and remittances sent through the post
         shall be sent at the risk of the Stockholders entitled thereto.

                                       14
<PAGE>
                                   SCHEDULE 4

                     Provisions for Meetings of Stockholders

1.       Calling of Meetings

         The Company at any time may, and shall upon the request in writing
         signed by Stockholders holding not less than one-tenth in nominal value
         of the Loan Stock for the time being outstanding, convene a meeting of
         the Stockholders. Every such meeting and every adjourned meeting shall
         be held at the registered office of the Company for the time being or
         such other place as the Company may specify.

2.       Notice of Meetings

         At least 21 days' notice (exclusive of the day on which the notice is
         given or deemed to be given and the day on which the meeting is to be
         held) specifying the day, time and place of meeting shall be given to
         the Stockholders of any meeting of the Stockholders. Any such notice
         shall specify the terms of the resolutions to be proposed and shall
         include a statement to the effect that proxies may be appointed in
         accordance with the provisions of paragraph 15 of this schedule. No
         amendment (other than an amendment to correct a typographical or
         manifest error) may subsequently be made to the resolution(s) specified
         in the notice of meeting. The accidental omission to give notice to, or
         the non-receipt of notice by, any of the Stockholders shall not
         invalidate the proceedings at any meeting.

3.       Chairman of Meetings

         Such person (who may, but need not, be a Stockholder) nominated in
         writing by the Company shall be entitled to take the chair at every
         such meeting or adjourned meeting. If at any meeting or adjourned
         meeting no person shall be nominated or the person nominated shall not
         be present within 15 minutes after the time appointed for the holding
         of such meeting or adjourned meeting the Stockholders present shall
         choose one of their number to be chairman.

4.       Quorum at Meetings

         At any such meeting two or more persons present in person (not being
         the Company, any person directly or indirectly under the control of the
         Company or any nominees thereof) or by proxy holding Loan Stock or
         being proxies and being or representing in the aggregate the holders of
         a majority in nominal amount of the Loan Stock then outstanding and not
         held by or on behalf of the Company shall form a quorum for the
         transaction of business and no business (other than the choosing of a
         chairman) shall be transacted at any meeting unless the requisite
         quorum be present at the commencement of business.

5.       Absence of Quorum

         If within half an hour from the time appointed for any such meeting a
         quorum is not present, the meeting shall, if convened upon the
         requisition of Stockholders, be dissolved. In any other case, the
         meeting shall stand adjourned for such period, not being less than 14
         days nor more than 42 days, and to such time and place as may be
         appointed by the chairman. At such adjourned meeting two or more
         persons present in person or by proxy (not being the Company, any
         person directly or indirectly under the control of the Company or any
         nominee thereof) holding Loan Stock or being proxies (whatever the
         nominal amount of the Loan Stock which they hold or

                                       15
<PAGE>
         represent) shall form a quorum and shall have the power to pass any
         resolution and to decide upon all matters which could properly have
         been dealt with at the meeting from which the adjournment took place
         had a quorum been present at such meeting.

6.       Notice of Adjourned Meetings

         At least ten days' notice of any meeting adjourned through want of a
         quorum shall be given in the same manner as of an original meeting and
         such notice shall state the quorum required at such adjourned meeting.
         Subject as aforesaid it shall not be necessary to give any notice of an
         adjourned meeting.

7.       Adjournment of Meetings

         The chairman may with the consent of (and shall if directed by) any
         meeting adjourn the same from time to time and from place to place but
         no business shall be transacted at any adjourned meeting except
         business which might lawfully have been transacted at the meeting from
         which the adjournment took place.

8.       Resolution on a Show of Hands or Poll

         Every question submitted to a meeting shall be decided in the first
         instance by a show of hands, and unless a poll is demanded (before or
         on the declaration of the result of the show of hands) by the chairman,
         the Company or by one or more persons holding Loan Stock or being
         proxies and being or representing in the aggregate the holders of not
         less than one-twentieth of the nominal amount of the Loan Stock then
         outstanding and not held by or on behalf of the Company, a declaration
         by the chairman that the resolution has been carried, or carried by a
         particular majority, or lost, or not carried by any particular majority
         shall be conclusive evidence of the fact without proof of the number or
         proportion of the votes recorded in favour of or against such
         resolution.

9.       Manner of taking poll

         If at any meeting a poll is so demanded it shall be taken in such
         manner and, subject as hereinafter provided, either at once or after
         such an adjournment as the chairman directs and the result of such poll
         shall be deemed to be the resolution of the meeting at which the poll
         was demanded as at the date of the taking of the poll. The demand for a
         poll shall not prevent the continuance of the meeting for the
         transaction of any business other than the question on which the poll
         has been demanded.

10.      Time for Taking Poll

         Any poll demanded at any meeting on the election of a chairman or on
         any question of adjournment shall be taken at the meeting without
         adjournment.

11.      Persons Entitled to Attend and Vote

         Any persons duly authorised by the Company including without limitation
         the directors, the secretary or the Company's auditors or legal or
         financial advisers shall be entitled to attend and speak at the meeting
         of the Stockholders and any other person authorised in that behalf by
         the directors. Save as aforesaid no person shall be entitled to attend
         or vote at any meeting of the Stockholders unless he is registered as a
         holder of Loan Stock or he produces written evidence of

                                       16
<PAGE>
         his appointment as a representative pursuant to paragraph 20 or is a
         proxy. No votes may be exercised in respect of Loan Stock held by or
         for the account of the Company or anyone directly or indirectly under
         the control of it, but this shall not prevent any proxy from being a
         director, officer or representative of, or otherwise connected with the
         Company.

12.      Votes

12.1     Subject as provided in paragraph 11 above, at any meeting:-

         (a)      on a show of hands every Stockholder who (being an individual)
                  is present in person or by proxy or (being a corporation) is
                  present by its representative duly authorised in accordance
                  with paragraph 20 below or its proxy, shall have one vote; and

         (b)      on a poll every person who is so present shall have one vote
                  in respect of every L1 nominal of Loan Stock of which he is
                  the holder or in respect of which he is a proxy or a
                  representative.

12.2     Without prejudice to the obligations of any proxies any person entitled
         to more than one vote need not use all his votes or cast the votes to
         which he is entitled in the same way.

13.      Votes of joint holders

         In the case of the joint holders of Loan Stock the vote of the senior
         who tenders a note whether in person or by proxy shall be accepted to
         the exclusion of the votes of the other joint holders and for this
         purpose seniority shall be determined by the order in which the name
         stands in the Register.

14.      Casting Vote of Chairman

         In the case of an equality of votes, the chairman shall both on a show
         of hands and on a poll have a casting vote in addition to the vote or
         votes (if any) to which he may be entitled as a Stockholder or as a
         proxy or as a representative.

15.      Appointment of Proxy

15.1     Proxies named in any Form of Proxy (as defined below) or block voting
         instruction need not by Stockholders.

15.2     A Stockholder may by instrument in writing (a "Form of Proxy") appoint
         a proxy. The Form of Proxy shall be the appointor or his attorney duly
         authorised in writing or if the appointor is a corporation either under
         the common seal or under the hand of an officer or attorney so
         authorised. The Company may, but shall not be bound to, require
         evidence of the authority of any such officer or attorney.

15.3     A Form of Proxy and the power of attorney or other authority (if any)
         under which it is signed or a notarially certified copy of such power
         of attorney shall be deposited at such place as the Company may, in the
         notice convening the meeting, direct or, if no such place is appointed,
         then at the registered office of the Company not less than 48 hours
         before the time appointed for holding the meeting at which the person
         named in the Form of Proxy proposes to vote and in default the Form of
         Proxy shall not be treated as valid. No Form of Proxy shall be valid
         after the expiration of twelve months from the date named in it as the
         date of its execution.

                                       17
<PAGE>
15.4     A Form of Proxy may be in any usual or common form or in any other form
         which the Company shall approve. A proxy shall, unless the contrary is
         stated therein and subject to paragraph 15.3 above the paragraph 15.5
         below, be valid as well for any adjournment of the meeting as for the
         meeting to which it relates and need not be witnessed.

15.5     A vote given in accordance with the terms of a Form of Proxy shall be
         valid notwithstanding the previous death or insanity of the principal
         or revocation of the proxy or of the authority under which the proxy
         was executed provided that no intimation in writing of such death,
         insanity or revocation shall have been received by the Company at its
         registered office before the commencement of the meeting or adjourned
         meeting for the time being at which the proxy is used.

16.      Powers of Meetings of Stockholders

         A meeting of the Stockholders shall in addition to all other power (but
         without prejudice to any powers conferred on other persons in the
         instrument) have the following powers exercisable only by Extraordinary
         Resolution namely:-

16.1     to sanction any proposal by the Company for any modification,
         abrogation, variation or compromise of, or arrangement in respect of,
         the rights of the Stockholders against the company whether such rights
         shall arise under the Conditions, the instrument or otherwise.

16.2     to sanction any proposal by the Company for the exchange or
         substitution for the Loan Stock of, or the conversion of the Loan Stock
         into, other obligations or securities of the Company or any other
         person or entity;

16.3     to assent to any modification or abrogation of the Conditions and of
         the provisions of these presents which shall be proposed by the Company
         and to authorise the Company to execute an instrument supplemental to
         this instrument embodying any such modification or abrogation; and

16.4     to appoint any persons (whether Stockholders or not) as a committee or
         committees to represent the interests of the Stockholder and to confer
         upon such committee or committees any powers or discretions which the
         Stockholders could themselves exercise by Extraordinary Resolution.

17.      Extraordinary Resolution Binding on all Stockholders

         An Extraordinary Resolution passed at a meeting of the Stockholders
         duly convened and held in accordance with this instrument shall be
         binding upon all the Stockholders whether present or not at such
         meeting and each of the Stockholders shall be bound to give effect
         thereto accordingly. The passing of any such resolution shall be
         conclusive evidence that the circumstances of any such resolution
         justify the passing thereof.

18.      Definitions of Extraordinary Resolution

         The expression "Extraordinary Resolution" when used in this instrument
         means a resolution passed at a meeting of the Stockholders duly
         convened and held in accordance with the provisions contained herein by
         a majority consisting of not less than three-quarters of the persons
         voting thereat upon a show of hands or, if a poll is demanded, then by
         a majority consisting of not less than three-quarters of the votes case
         thereon.

                                       18
<PAGE>
19.      Minutes of Meetings

         Minutes of all resolutions and proceeding at every meeting shall be
         made and duly entered in books to be from time to time provided for
         that purpose by the Company and any such minutes, if they purport to be
         signed by the chairman of the meeting at which such resolutions were
         passed or proceedings were transacted or by the chairman of the next
         succeeding meeting of the Stockholders, shall be conclusive evidence of
         the matters therein contained and, until the contrary is proved, every
         meeting in respect of which minutes of the proceedings have been made
         and signed as aforesaid shall be deemed to have been duly held and
         convened and all resolutions passed or proceedings transaction thereat
         to have been duly passed and transacted.

20.      Corporate Representatives

         Any company or corporation which is a holder of Loan Stock may by
         resolution of its directors or other governing body authorise any
         person to act as its representative at any meeting of Stockholders and
         such representative shall be entitled to exercise the same powers on
         behalf of the company or corporation which he represents as if he were
         the holder of Loan Stock.

21.      Resolutions in Writing

         A resolution in writing proposed by the Company and signed by the
         holders of not less than three-quarters in nominal amount of the Loan
         Stock then in issue (other than Loan Stock held by or for the account
         of the Company) shall have effect in the same manner as an
         Extraordinary Resolution of Stockholders duly passed at a meeting duly
         convened and held. Such resolution in writing may be contained in one
         document or in several documents in like form, each signed by one or
         more Stockholders.

22.      Consent of Company

         Notwithstanding anything in this instrument to the contrary, no
         resolution shall be effective which would increase any obligation of
         the Company under the instrument without the written consent of the
         Company.

EXECUTED as a deed by             )
INVERESK RESEARCH GROUP LIMITED   )
acting by:-                       )
                                  )
/s/ Walter Nimmo                  )
                                  )
Director                          )
                                  )
/s/ Stewart Leslie                )
                                  )
Director/Secretary                )

                                       19

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