IPC INFORMATION SYSTEMS INC
8-K, 1999-01-04
TELEPHONE & TELEGRAPH APPARATUS
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                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

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

                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(D) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

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

       Date of report (Date of earliest event reported): December 18, 1998



                          IPC INFORMATION SYSTEMS, INC.
             (Exact name of registrant as specified in its charter)




         Delaware                    0-25492                      58-1636502
         --------                    -------                      ----------
     (State or other             (Commission File               (IRS Employer
     jurisdiction of                 Number)                 Identification No.)
      incorporation)



           WALL STREET PLAZA, 88 PINE STREET, NEW YORK, NEW YORK 10005
          (Address of principal executive offices, including zip code)



       Registrant's telephone number, including area code: (212) 825-9060




                                      NONE
          (Former name or former address, if changed since last report)


<PAGE>




ITEM 2.  ACQUISITION OR DISPOSITION OF ASSETS

(a) The Registrant, IPC Information Systems, Inc., a Delaware corporation (the
"Company"), announced December 21, 1998 that on December 18, 1998 its wholly
owned subsidiary, International Exchange Networks, Ltd., a Delaware corporation
("IXnet"), acquired all of the outstanding ordinary shares, par value (pound)1
per share (the "Shares"), of Saturn Global Network Services Holdings Limited, a
company incorporated in England and Wales ("Saturn"), from Marshalls 106
Limited, a company incorporated in England and Wales (the "Seller"). Saturn owns
and operates, through wholly owned operating subisidiaries in the United States,
the United Kingdom, Austrailia, Hong Kong, Japan and Singapore, an
international telecommunication network which provides managed, premium-grade
voice and data communication services to the financial community. The
acquisition of the Shares (the "Acquisition") was an arm's length transaction
negotiated between IXnet and the Seller and was made pursuant to an Agreement
for the Sale/Purchase of the Issued Share Capital of Saturn dated August 7,
1998, as amended on December 18, 1998 (the "Agreement"), by and among the
Seller, Marshalls Finance Limited, IXnet and the Company. The Shares were
acquired for (pound)21.5 million ($36,056,000, based on an exchange rate of
$1.677/(pound)) in cash paid at the closing and a three-year promissory note
issued by IXnet, and guaranteed by the Company, to the Seller in the principal
amount of (pound)4.5 million ($7,547,000, based on an exchange rate of
$1.677/(pound)), bearing interest at a rate of 9.25% per annum; such note is
subject to certain rights of offset. In addition, IXnet agreed to assume
existing indebtedness of Saturn to the Seller, evidenced by a two-year
promissory note issued by Saturn, and guaranteed by IXnet and the Company, in
the amount of (pound)3.2 million, inclusive of interest at 9.25% per annum
($5,440,971, based on an exchange rate of $1.677/(pound)). The cash portion of
the Purchase Price was derived from cash from the Company's operations and
borrowings under the Company's revolving credit facility.

(b)      Not applicable.

         The Company issued a press release dated December 21, 1998 publicly
announcing the completion of the Acquisition.

         The Company hereby incorporates by reference the Agreement for
Sale/Purchase of the Issued Share Capital of Saturn Global Network Services
Holdings Limited attached hereto as Exhibit 2.3 (which includes the Taxation
Deed as Exhibit A thereto) and the press release attached hereto as Exhibit 99,
each made a part hereof, into this Item 2.

ITEMS 1, 3 THROUGH 6, 8 AND 9

         Not applicable.

ITEM 7.           FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND
                  EXHIBITS.

         (a)      Financial statements of businesses acquired.

                  The audited financial statements of the business acquired will
                  be filed by amendment to this Current Report on Form 8-K no
                  later than March 5, 1999.

                                       -2-

<PAGE>



         (b)      Pro forma financial information.

                  The pro forma financial information will be filed by amendment
                  to this Current Report on Form 8-K no later than March 5,
                  1999.

         (c)      Exhibits. The following Exhibits are filed as part of this
                  report:


    EXHIBIT NO.                          DESCRIPTION
    -----------                          -----------
        2.3                 Agreement for Sale/Purchase of the Issued
                            Share Capital of Saturn Global Network
                            Services Holdings Limited dated
                            August 7, 1998 (as amended on
                            December 18, 1998) among Marshalls 106
                            Limited, Marshalls Finance Limited,
                            International Exchange Networks, Ltd. and
                            IPC Information Systems, Inc.

         99                 Press Release issued on December 21, 1998.



                                       -3-

<PAGE>



                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                       IPC INFORMATION SYSTEMS, INC.


                                       By: /s/ Gerald E. Starr
                                           -------------------------------------
                                           Gerald E. Starr
                                           President and Chief Executive Officer


Dated:  January 4, 1999


                                       -4-

<PAGE>



                                  EXHIBIT INDEX



          EXHIBIT                            DESCRIPTION
          -------                            -----------
            2.3             Agreement for Sale/Purchase of the Issued
                            Share Capital of Saturn Global Network
                            Services Holdings Limited dated
                            August 7, 1998 (as amended on
                            December 18, 1998) among Marshalls 106
                            Limited, Marshalls Finance Limited,
                            International Exchange Networks, Ltd. and
                            IPC Information Systems, Inc.

             99             Press Release issued on December 21, 1998.



                                       -5-


Private & Confidential


                                                                     EXHIBIT 2.3



                               DATED 7 AUGUST 1998
                               -------------------

                              MARSHALLS 106 LIMITED               (1)

                            MARSHALLS FINANCE LIMITED             (2)

                      INTERNATIONAL EXCHANGE NETWORKS LTD.        (3)

                                      and

                          IPC INFORMATION SYSTEMS, INC.           (4)



                      ____________________________________


                                    AGREEMENT

                      for sale/purchase of the issued share

           capital of Saturn Global Network Services Holdings Limited

                        (as amended on 18 December 1998)


                      ____________________________________




                                   Norton Rose
                                     London



<PAGE>



                                    CONTENTS
                                    --------

CLAUSE                              HEADING                                PAGE


1   Definitions and interpretation............................................1

2   Purpose of this Agreement (including conditions precedent and related
    undertakings).............................................................7

3   Sale of the Sale Shares..................................................12

4   Consideration............................................................13

5   Completion...............................................................13

6   Post-Completion matters..................................................17

7   Warranties...............................................................20

8   Restrictive covenants....................................................22

9   Vendor and Purchaser Guarantee...........................................26

10  Continuing effects of this Agreement.....................................28

11  Announcements............................................................28

12  Releases, waivers etc....................................................28

13  Notices..................................................................28

14  Entire Agreement.........................................................29

15  Alterations..............................................................29

16  Counterparts.............................................................29

17  Successors and Assigns...................................................29

18  Applicable  law and submission to jurisdiction...........................30


<PAGE>

19  Address for service......................................................31

20  Costs and expenses.......................................................31

21  Further Assurance........................................................31



SCHEDULES

1   The Company..............................................................32

2   The Subsidiaries.........................................................33

3   Directors and employees..................................................41

    Part     A - Retiring Directors..........................................41

    Part     B - Retiring Secretary..........................................41

    Part     C - Subsidiaries Retiring Directors.............................42

    Part     D - Subsidiaries Retiring Secretary.............................42

    Part     E - Persons to receive Service Agreements.......................43

4   Matters represented and warranted........................................44

    Part     A - General.....................................................44

    Part     B - Taxation and social security................................64

5   Provisions for the protection of the Vendor..............................71

6   Schedule of Licences.....................................................79



AGREED FORM DOCUMENTS

    DOCUMENT                                            CLAUSE
    Working Capital at 30 April 1998                    1.1
    Auditors' Letter                                    2.2(b)(i)
    Resignations of Directors and Secretary             5.1(b)(iii)
    Service Agreements                                  5.1(b)(vi)
    Taxation Deed                                       5.1(a)(v)
    Deeds of Release                                    5.1(a)(iii), 5.1(a)(iv)
    Confirmation from Vendor re                         5.1(a)(xi)


<PAGE>


    Marshalls Indebtedness
    Confirmation from Vendor re notifications           5.1(a)(xv)
    Marshalls Contracts                                 5.1(a)(iv)
    Overdue Marshalls Receivable Certificate            5.1(a)(xvi)
    IXnet Note                                          5.1(c)(iii)
    SGN Notes                                           5.1(c)(iv)
    Working Capital Adjustment                          6.3(a)



<PAGE>


THIS AGREEMENT is dated  7 August 1998 and is made BETWEEN:

(1)  MARSHALLS 106 LIMITED, a company incorporated in England and Wales with
     registered number 1496819 whose registered office is at Lloyds Chambers, 1
     Portsoken Street, London E1 8DF (the "Vendor");

(2)  MARSHALLS FINANCE LIMITED, a company incorporated in England and Wales with
     registered number 2230414 whose registered office is at Lloyds Chambers, 1
     Portsoken Street, London E1 8DF (the "Vendor Guarantor");

(3)  INTERNATIONAL EXCHANGE NETWORKS LTD., a company incorporated in the state
     of Delaware, USA whose principal place of business is at Wall Street Plaza,
     88 Pine Street, New York, New York 10005, USA (the "Purchaser"); and

(4)  IPC INFORMATION SYSTEMS, INC., a company incorporated in the state of
     Delaware, USA whose principal place of business is at Wall Street Plaza, 88
     Pine Street, New York, New York 10005, USA (the "Purchaser Guarantor").

NOW IT IS HEREBY AGREED as follows:

1    DEFINITIONS AND INTERPRETATION
     ------------------------------

1.1  In this Agreement unless the context otherwise requires:

     "THE ACCOUNTS" means the consolidated audited annual accounts
     (incorporating a consolidated profit and loss account and a consolidated
     balance sheet) for the Company and the Subsidiaries as at, and for the
     financial year ended on, the Accounts Date, including the notes to those
     accounts and the associated directors' and auditors' reports, a copy of
     which is attached to the Disclosure Letter;

     "THE ACCOUNTS DATE" means 30 April 1998;

     "ACTUAL TAXATION LIABILITY" means a liability to make an actual payment of,
     or of an amount in respect of, Taxation whether or not such Taxation is
     also or alternatively chargeable against or attributable to any other
     person;

     "AFFILIATE" means with respect to any person, a person that directly or
     indirectly, through one or more intermediaries, controls or is controlled
     by or under common control with the specified person, where "control" means
     the possession, direct or indirect, of the power to direct or cause the
     direction of the management and policies of a person, whether through the
     ownership of voting securities, by contract or otherwise, provided however
     that a shareholder of the Vendor Guarantor shall not be considered to be an
     affiliate of the Vendor Guarantor or any other member of the Marshalls
     Group unless such shareholder owns or controls, directly or indirectly,
     more than 50% of the issued share capital or voting securities of the
     Vendor Guarantor;


                                       1

<PAGE>


     "AGENCY" means any court or government or any governmental, supranational,
     administrative or state, municipal or local agency or any regulatory or
     investigative body or any commission or organisation, in each case in any
     jurisdiction, whether federal, state, local or national;

     "THE AUDITORS" means the auditors of the Company namely
     PricewaterhouseCoopers, Chartered Accountants, of 32 London Bridge Street,
     London SE1 9SY;

     "BUSINESS" means the business of the Group, including providing managed
     telecommunications services to customers, including voice transmission
     services, managed bandwidth services, frame relay services, satellite
     services and network management monitoring or any such similar services;

     "BUSINESS DAY" means a day on which banks are ordinarily open for the
     transaction of normal banking business in London;

     "CA 1985" means the Companies Act 1985;

     "THE COMPANY" means Saturn Global Network Services Holdings Limited, a
     company incorporated in England and Wales with registered number 2176144;

     "COMPLETION" means completion of the sale and purchase of the Sale Shares
     by the performance by the parties of their respective obligations under
     clause 5.1;

     "THE COMPLETION DATE" means 18 December 1998;

     "THE CONDITIONS" means the conditions specified in clause 2.2 or any one or
     more of them;

     "THE CONFIDENTIAL INFORMATION" means trade secrets and information
     equivalent to them (including but not limited to methods, knowledge and
     Know-how) in connection with the products sold and the services supplied by
     the Group and the customers and suppliers of the Group and which are for
     the time being confidential to any Group Company;

     "THE DISCLOSURE LETTER" means the letter of the same date as this Agreement
     from the Vendor to the Purchaser disclosing certain matters in relation to
     the Warranties which has been delivered to the Purchaser prior to the
     execution of this Agreement;

     "ENCUMBRANCE" has the meaning given thereto in paragraph 4.1 of Part A of
     Schedule 4;

     "FCC CONSENT" means the approval by the Federal Communications Commission
     ("FCC") to the transfer of control of Saturn Global Network Services (USA)
     Inc. from the Vendor to the Purchaser or an affiliate of the Purchaser in
     accordance with Section 63.12 of the FCC Rules;

     "THE GROUP" means the Company and the Subsidiaries;


                                       2

<PAGE>


     "GROUP COMPANY" means each and any body corporate in the Group or any one
     or more of them;

     "GUARANTEE" means any guarantee, indemnity, suretyship, letter of comfort,
     agreement or other assurance, security or right of set-off given or
     undertaken by a person to secure or support the obligations (actual or
     contingent) of any third party and whether given directly or by way of
     counter-indemnity to any third party who has provided a Guarantee;

     "HEAD OFFICE SERVICES" means services provided by the Marshalls Group
     (other than a Group Company) to the Group being those services identified
     in Volume 1, divider 7 of the disclosure bundle attached to the Disclosure
     Letter;

     "HOLDING COMPANY" means a holding company as defined by sections 736 and
     736A CA 1985;

     "ICTA 1988" means the Income and Corporation Taxes Act 1988;

     "INTELLECTUAL PROPERTY RIGHTS" means all patents, registered designs, trade
     marks and service marks (whether registered or not), copyright, design
     rights, and all similar property rights, including those subsisting (in any
     part of the world) in designs, computer programs, confidential information,
     business or brand names, goodwill or the style of presentation of goods or
     services and in applications for protection thereof;

     "IXnet NOTE" means the promissory note in the agreed form to be issued by
     the Purchaser and guaranteed by the Purchaser Guarantor at Completion in
     relation to a principal amount of (pound)4,500,000 and created and issued
     by the Purchaser by a resolution of its directors prior to Completion;

     "KNOW-HOW" means all commercial information and techniques, accounts,
     records and information (wherever situate) pertaining to the activities of
     the Group;

     "LICENCES" means the telecommunications licences held by members of the
     Group, details of which are set out in schedule 6;

     "THE MANAGEMENT ACCOUNTS" means the management accounts of the Group for
     the period from 1 May 1998 to 30 June 1998 (both dates inclusive), a copy
     of which is attached to the Disclosure Letter;

     "MARSHALLS CONTRACTS" means the contracts to be entered into at Completion
     in the agreed form between the Vendor, the Vendor Guarantor, the Company
     and the Purchaser relating to the provisions of services by the Group to
     the Marshalls Group substantially in the form attached hereto;

     "MARSHALLS GROUP" means the Vendor Guarantor and its subsidiaries from time
     to time;


                                       3


<PAGE>


     "MARSHALLS INDEBTEDNESS" means all the indebtedness outstanding at
     Completion of the Company or any other Group Company to any member of the
     Marshalls Group (other than a Group Company) other than any amounts due
     from the Company or any other Group Company in respect of Head Office
     Services. As at the Accounts Date the Marshalls Indebtedness was
     (pound)4,233,242;

     "NOMINATED ACCOUNT" means the Vendor's account numbered 00932604 at
     Barclays Bank plc, 54 Lombard Street, London EC3V 9EX - Sort Code 20-00-00,
     or such other account or accounts as the Vendor shall specify;

     "ON DEMAND MARSHALLS INDEBTEDNESS" means the amount of the Marshalls
     Indebtedness less (pound)3,244,467 (which represents (pound)2,962,692 of
     Marshalls Indebtedness plus capitalised interest which is the amount of the
     Marshalls Indebtedness which, from the date of Completion, will become
     repayable on the terms set out in the SGN Notes);

     "OVERDUE MARSHALLS RECEIVABLE" means all amounts owing from any member of
     the Marshalls Group (other than a Group Company) to any member of the Group
     save for any amount in respect of telecommunication services provided by
     the Group that on the date of Completion has not been outstanding for more
     than forty-five days after the date of issue of the relevant invoice;

     "PENSION ARRANGEMENTS" means the pension arrangements details of which are
     contained in the Disclosure Letter;

     "PERMITS" has the meaning given thereto in paragraph 15 of Part A of
     Schedule 4;

     "THE PURCHASE PRICE" means (pound)21,500,000 less the amount of the On
     Demand Marshalls Indebtedness, together with such principal amounts as
     become payable pursuant to the provisions of the IXnet note, subject to the
     adjustment mechanism set out in clause 6.3(e);

     "THE PURCHASER'S ACCOUNTANTS" means PricewaterhouseCoopers of 1301 Avenue
     of the Americas, 7th Floor, New York, New York 10019, USA;

     "THE PURCHASER'S GROUP" means the Purchaser and its subsidiaries from time
     to time;

     "THE PURCHASER'S SOLICITORS" means Titmuss Sainer Dechert, of 2 Serjeant's
     Inn, London EC4 1LT;

     "RELATED COMPANY" in relation to any company means any subsidiary or
     holding company of that company or any subsidiary of that holding company;

     "RELIEF" means any loss, allowance, exemption, set-off, deduction, credit,
     right to repayment or other relief relating to any Taxation or to the
     computation of income, profits or gains for the purposes of any Taxation;


                                      4


<PAGE>


     "THE RESTRICTED SERVICES" means services of the type or nature supplied by
     the Group at the Completion Date in relation to the Business;

     "THE SALE SHARES" means the 483,100 issued Ordinary Shares of(pound)1 each
     of the Company, being the entire issued share capital of the Company;

     "SECURITY INTEREST" means a mortgage, lien, pledge, charge, hypothecation
     or other security interest (or an agreement or commitment to create any of
     them), but excluding:

     (a)  any lien arising in the ordinary course of business to secure amounts
          which are not material;

     (b)  any unpaid vendor's or supplier's lien arising in the ordinary course
          of any Group Company's trading business to secure amounts due in
          respect of goods or services sold or supplied; and

     (c)  liens arising by operation of law, including a banker's lien;

     "THE SGN NOTES" means the loan notes of even date herewith entered into
     between the Purchaser, the Purchaser Guarantor and the Company in relation
     to a principal amount of (pound)3,244,467 and created and issued by the
     Company by a resolution of the Directors prior to Completion;

     "THE SUBSIDIARIES" means the companies specified in schedule 2 or any one
     or more of them;

     "SUBSIDIARY" means a subsidiary (as defined by sections 736 and 736A CA
     1985);

     "TAXATION" has the meaning given to that expression in the Taxation Deed;

     "THE TAX WARRANTIES" means the Warranties as to the matters stated in Part
     B of schedule 4;

     "THE TAXATION DEED" means the taxation deed in the agreed form entered, or
     to be entered, into between the Vendor (1), the Vendor Guarantor (2) and
     the Purchaser (3);

     "TCGA 1992" means the Taxation of Chargeable Gains Act 1992;

     "UK GAAP" means generally accepted accounting principles applicable in the
     United Kingdom;

     "US GAAP FINANCIALS" means unqualified audited consolidated accounts for
     the Group for the twelve months ended 30 April 1998 together with a balance
     sheet as at 30 April 1997 and statements of cash flow and the related notes
     thereto, all prepared in accordance with generally accepted accounting
     principles applicable in the United States and in compliance with
     Regulation S-X under the Securities Act of 1933;


                                       5


<PAGE>


     "VAT" means value added tax chargeable under the VATA 1994 or under the
     Sixth Council Directive of the Council of the European Communities
     (77/388/EEC) or under any rule, regulation, order or instrument authorised
     to be made by the VATA 1994 or such Directive or any identical or
     substantially similar tax which may replace such value added tax or any tax
     having the same or similar purpose or effect to value added tax whether of
     the United Kingdom or elsewhere;

     "VATA 1994" means the Value Added Tax Act 1994;

     "THE VENDOR'S SOLICITORS" means Norton Rose, of Kempson House, Camomile
     Street, London EC3A 7AN;

     "WARRANTIES" means the representations and warranties referred to in clause
     7.1 and set out in schedule 4; and

     "WORKING CAPITAL ADJUSTMENT" means (a) if the Working Capital on the
     Completion Date is less than the working capital as at 30 April 1998 of
     -(pound)884,000 (as set out in the schedule in the agreed form) (i.e. a
     larger negative figure), X minus Y, where `X' equals -(pound)884,000 and
     `Y' equals the larger negative amount of the Working Capital on the
     Completion Date, or (b) in any other circumstances, zero; and

     "WORKING CAPITAL" shall mean (a) the consolidated current assets of the
     Company and the Subsidiaries, less (b) the consolidated liabilities of the
     Company and the Subsidiaries (other than the Marshalls Indebtedness and any
     liabilities incurred in connection with the relocation of Saturn Global
     Network Services (Hong Kong) Limited from its existing premises to its new
     premises) in each case calculated in accordance with UK GAAP.

1.2  In this Agreement unless the context otherwise requires:

     (a)  a document expressed to be "IN THE AGREED FORM" means a document in a
          form which has been agreed by the parties contemporaneously with or
          before the execution of this Agreement and which has, for the purposes
          of identification, been initialled by them or on their behalf;

     (b)  references to a clause or schedule are to a clause of or a schedule to
          this Agreement, references to this Agreement include its schedules and
          references in a schedule or part of a schedule to a paragraph are to a
          paragraph of that schedule or that part of that schedule;

     (c)  references to this Agreement or any other document or to any specified
          provision of this Agreement or any other document are to this
          Agreement, that document or that provision as in force for the time
          being and as amended from time to time in accordance with the terms of
          this Agreement or that document or, as the case may be, with the
          agreement of the relevant parties;


                                       6


<PAGE>


     (d)  words importing the singular include the plural and vice versa, words
          importing a gender include every gender and references to persons
          include corporations, partnerships and other unincorporated
          associations or bodies of persons and references to a party or the
          parties or any of them are to a party or the parties (as the case may
          be) to this Agreement, unless otherwise provided herein;

     (e)  the contents table and the descriptive headings to clauses, schedules
          and paragraphs are inserted for convenience only, have no legal effect
          and shall be ignored in the interpretation of this Agreement; and

     (f)  the words "herein", "hereof" and "hereunder" and other words of
          similar import, refer to this agreement as a whole, and not to any
          particular provision.

1.3  In this Agreement, unless the context otherwise requires, a reference to
     any enactment (meaning any statute or statutory provision (whether of the
     United Kingdom or elsewhere), subordinate legislation, as defined by
     section 21(1) Interpretation Act 1978, and any other subordinate
     legislation made under any such statute or statutory provision) shall be
     construed as including a reference to that enactment as re-enacted,
     replaced or modified from time to time, whether before, on or after the
     date hereof.

2    PURPOSE OF THIS AGREEMENT (INCLUDING CONDITIONS PRECEDENT AND RELATED
     UNDERTAKINGS)
     ---------------------------------------------------------------------

2.1  This is an Agreement for the sale and purchase of the Sale Shares.

2.2  ((a)) The obligations of the parties for the sale and purchase of the Sale
           Shares under this Agreement are conditional on (subject to clause
           2.4):

          (i)  FCC Consent being obtained;

          (ii) other than in connection with any matter relating directly or
               indirectly to the transfer to the Purchaser of any Licence, no
               Agency or person (including, but not limited to, any present or
               former owner of any capital stock or equity interest in the
               Vendor (whether through a derivative action or otherwise)) having
               taken, instituted, implemented or threatened any action,
               proceeding, suit, investigation or reference or made, proposed or
               enacted any statute, regulation or order which seeks, or would or
               might reasonably be expected, to (i) challenge, restrain, enjoin,
               hinder, restrict or delay this Agreement or the consummation of
               the transaction contemplated hereby or impose additional
               conditions or obligations with respect to this Agreement or the
               transactions contemplated hereby; (ii) impose monetary or other
               relief by reason of this Agreement or the consummation of the
               transactions contemplated hereby; or (iii) limit, adversely
               affect or impose any obligations, undertakings or conditions with
               respect to, the 


                                       7


<PAGE>


               Purchaser's ownership or control of the Sale Shares or the
               conduct of the business of the Group;

          (iii)the consent given by El Camino (Leasing) Ltd. on 5 August 1998
               to the change of control of the Group not being withdrawn;

          (iv) the completion by the Group of the download of the Timeplex
               Software relating to ST1000 to resolve the four problems in the
               existing Timeplex software identified in Table 2 of the
               disclosure against warranty number 13.2 in the Disclosure Letter
               thereby providing Timeplex hardware/software platform stability;

     (b)  the obligations of the Purchaser for the purchase of the Sale Shares
          under this Agreement is conditional on (subject to clause 2.4):

          (i)  the preparation of the US GAAP Financials and their delivery to
               the Purchaser in draft form five days prior to Completion
               together with a letter from the Auditors to the Company in the
               agreed form;

          (ii) there having been prior to Completion (A) no material breach of
               the Warranties or material misrepresentation by the Vendor in
               each case which has or is likely to have a material adverse
               effect on the valuation placed by the Purchaser on the Group
               taken as a whole, material adverse effect for these purposes
               being a reduction in such valuation at least equivalent to
               (pound)4,500,000 and (B) no material breach by the Vendor of any
               of its covenants under this Agreement including under clause 2.6,
               and (C) no breach of any part of Warranty 22; and

          (iii)each of the Warranties contained in paragraphs 1.1, 1.2(a) and
               7.3 and in the final sentence of paragraph 2.4 of schedule 4
               being true and accurate at Completion and the Warranty contained
               in paragraph 7.1(d)(ii) of schedule 4 being true and accurate at
               Completion save that such Warranty shall be deemed to have effect
               only in respect of any Encumbrance which is a mortgage, charge,
               pledge, assignment by way of security or lien, other than a lien
               arising in the ordinary course of business by statute or
               operation of law which is not material to the Business, (or
               equivalent security under the laws of any country outside England
               and Wales) and none of the other matters set out in the
               definition of Encumbrance in paragraph 4.1 of schedule 4.

2.3  ((a))The Purchaser and the Vendor shall use their respective best efforts
          to procure fulfilment of the Conditions on or before 30 September 1998
          including the preparation and execution of a joint application for the
          FCC Consent and the preparation of the US GAAP Financials; provided
          that neither the Purchaser nor its affiliates shall be required or
          obliged (i) to initiate, pursue or defend any litigation (or
          threatened litigation), (ii) to


                                       8


<PAGE>


          agree or otherwise become subject to any material limitation on (A)
          the right of the Purchaser or its affiliates to effectively control or
          operate the Group or the Business; (B) the right of the Purchaser or
          its affiliates to acquire or hold the Group or the Business; or (C)
          the right of the Purchaser to exercise full rights of ownership of the
          Group or the Business, or (iii) to agree or otherwise be required to
          sell or otherwise dispose of, hold separate (through the establishment
          of a trust or otherwise), or divest itself of all or any material part
          of the business, the assets, or operations of the Purchaser, any
          affiliates of the Purchaser or any Group Company or the Business and
          neither the Vendor nor its affiliates shall be required or obliged to
          initiate, pursue or defend any litigation (or threatened litigation),
          or to take an action or make any filing which it is unreasonable for
          them to be expected to do;

     (b)  The Vendor shall promptly notify the Purchaser in writing of any event
          or fact of which it becomes aware prior to the Completion Date and
          which represents (or which will, upon the passage of time or the
          occurrence of Completion, result in) a material breach of any of its
          representations, warranties, covenants or agreements contained herein
          or give rise to a liability under the Taxation Deed or which would
          indicate a reasonable likelihood that the Conditions will fail to be
          satisfied on the Completion Date and any such notification shall not
          be and shall not be deemed to be a disclosure for the purposes of
          qualifying or limiting the liability of the Vendor hereunder or
          thereunder;

     (c)  The Vendor shall procure that the Group maintains in full force and
          effect on their current terms the policies of insurance listed in the
          Disclosure Letter, subject only to variations required by the ordinary
          operations of the Business, or else shall obtain, prior to the lapse
          of any such policy, substantially similar insurance with insurers of
          recognised standing. The Vendor shall promptly advise the Purchaser in
          writing of any change of insurer or type of coverage in respect of the
          policies listed in the Disclosure Letter; and

     (d)  The Vendor shall give and shall procure (to the extent that it is
          able) that the Company and the Subsidiaries give the Purchaser, the
          Purchaser's Solicitors, the Purchaser's Accountants and other
          representatives full access during normal business hours to all of the
          Group Company's properties, books, tax returns, contracts,
          commitments, records, officers, personnel and accountants and shall
          furnish to the Purchaser all such documents and copies of documents
          and all information with respect to the affairs of the Company and the
          Subsidiaries as the Purchaser may reasonably request. Pending
          Completion, the Purchaser shall preserve the confidentiality of any
          information provided by any Group Company or the Vendor (whether
          before or after the date hereof) to the Purchaser relating to the
          Group which is confidential in nature and, if Completion does not take
          place, will return all such information to the Vendor.


                                       9


<PAGE>


2.4 ((a)) The Purchaser reserves the right to waive (to such extent as it may
          think fit) the Conditions.

     (b)  Any waiver by the Purchaser under this clause 2.4 is without prejudice
          to any other rights which the Purchaser may have under this Agreement.

2.5  [DELETED]

2.6  The Vendor shall procure that pending Completion (except with the prior
     written consent of the Purchaser (not to be unreasonably withheld or
     delayed)):

     (a)  the Business will be conducted only in the ordinary course and
          consistent with past practice, including billing, and collection
          practices, supply transactions and payment of accounts payable; the
          Company and all of the Subsidiaries will use reasonable endeavours to
          maintain their property, equipment and other assets in at least as
          good order and condition as existed on the date of this Agreement; and
          the Company and all of the Subsidiaries will duly comply in all
          material respects with the provisions of all their leases, agreements,
          contracts, Licences, Permits and commitments, will maintain in full
          force and effect and comply with all Permits and will comply in all
          material respects with all laws applicable to the Business or their
          assets;

     (b)  all reasonable efforts are taken to preserve the Business, to keep
          available to the Purchaser and the Group the services of the present
          officers and employees of the Company or any of the Subsidiaries, and
          to preserve the goodwill of the suppliers, customers and others having
          business relations with the Company or any of the Subsidiaries;

     (c)  no Group Company will:

          (i)  resolve to change its name or amend its Articles of Association,
               Memorandum of Association or equivalent organisational documents
               or amend any rights attaching to its shares or pass any
               resolution or obtain any consent from its members in a general
               meeting;

          (ii) allot or issue or agree to allot or issue any shares or any
               securities or grant or agree to grant rights which confer on the
               holder any right to acquire any shares or other such interests;

          (iii)enter into, or vary the terms of, any contract or commitment,
               except those made or varied in the ordinary course of business,
               the terms of which are consistent with past practice and
               reasonable in light of current conditions;

          (iv) enter into any employment or consulting contract or arrangement
               with any person whose remuneration is in excess of (pound)25,000
               per annum or appoint any director or other officer;


                                       10


<PAGE>


          (v)  sell, transfer, lease or otherwise dispose of any of its assets;

          (vi) incur, create, assume or suffer to exist any mortgage, pledge,
               lien, restriction, encumbrance, encroachment, covenant,
               condition, claim, security interest, charge or other matter
               affecting use or title on any of its assets or other property;

          (vii)fail to pay when due all taxes, assessments, governmental
               charges or levies imposed upon it or its income, profits or
               assets or otherwise required to be paid by it, or fail to pay
               when due any liability or charge which, if unpaid, might become a
               lien or charge upon any of its assets;

          (viii)make, change or revoke any tax claim election or disclaimer or
               make any agreement or settlement with any relevant taxation
               authority;

          (ix) declare or pay any dividend, or other distribution in respect of
               any class of its share capital, or make any payment to redeem,
               purchase or otherwise acquire, or call for redemption or
               otherwise reduce, any of such share capital or any securities
               convertible into or exchangeable for such share capital;

          (x)  increase or otherwise change the remuneration, benefits or
               compensation payable or to become payable to any officer,
               employee, consultant or agent from the rates set forth in the
               Disclosure Letter or dismiss any such person other than for just
               cause or change the terms of employment or engagement of any such
               person;

          (xi) make or authorise the making of any single item of capital
               expenditure (other than capital expenditure in the ordinary
               course of business and consistent with past practice) exceeding
               (pound)15,000;

          (xii)incur any indebtedness for borrowed money or other obligation
               for money borrowed other than pursuant to clause 2.7;

          (xiii)waive or permit the loss of any substantial right;

          (xiv)give any surety, indemnity or guarantee or otherwise become or
               remain contingently liable in connection with any liability or
               obligation of any person other than another Group Company;

          (xv) loan or advance funds (other than to another Group Company) or
               make an investment in or capital contribution to, or participate
               in the business of, any person, firm, company, partnership or
               joint venture;

          (xvi)sell, transfer, assign, mortgage, pledge, encumber or otherwise
               dispose of the share capital of any of the Subsidiaries;


                                       11


<PAGE>


          (xvii)save as required by this Agreement, enter into or vary the
                terms of any contract, agreement or commitment with or to any
                member of the Marshall's Group or repay the Marshalls
                Indebtedness; or

          (xviii)enter into any agreement to do any of the foregoing.

2.7  Pending Completion, the Vendor will procure that the Group Companies will
     continue to be provided with sufficient working capital (not exceeding
     (pound)175,000) to carry on the Business in the ordinary course and normal
     course such working capital to be provided by way of loans on the same
     terms as the loans currently outstanding and due to members of the
     Marshalls Group (other than Group Companies) from Group Companies.

2.8  [DELETED]

2.9  After the date hereof, Vendor and Vendor Guarantor will, and both will
     procure that the Company and the Auditors provide such reasonable
     assistance as shall be requested by the Purchaser in the preparation of
     audited or unaudited financial statements of the Group for any period or
     periods required by United States federal securities laws and regulations
     to be included in a registration statement relating to the registration of
     any securities by the Purchaser or affiliates of the Purchaser. Such
     financial statements will be in a form suitable for filing with the
     Securities and Exchange Commission and will be in compliance with
     Regulation S-X under the Securities Act of 1933 and shall be accompanied by
     any certification or other documentation (including an independent
     accountant's report, comfort letter and consent) reasonably requested by
     the Purchaser. The Purchaser shall reimburse to the Vendor its out of
     pocket expenses (not exceeding (pound)40,000) which the Vendor incurs in
     connection with the Auditors assisting with the preparing of such financial
     statements. Prior to Completion and in addition to the Vendor's obligations
     under clause 2.3, if any consent, approval, filing or notice is required by
     any third party or any governmental, judicial, administrative or regulatory
     body, authority or organisation, then the Vendor and Vendor Guarantor
     shall, and will procure that the Group shall, use their reasonable efforts
     to assist the Purchaser in obtaining any such consent or approval and in
     preparing any such filing or notice.

3    SALE OF THE SALE SHARES
     -----------------------

3.1  The Vendor shall sell to the Purchaser and the Purchaser shall relying on
     the Warranties and other obligations of the Vendor and the Vendor Guarantor
     hereunder, purchase from the Vendor the Sale Shares.

3.2  The Vendor shall sell and transfer the Sale Shares with full title
     guarantee and free of all Encumbrances (known or unknown).

3.3  Title to, beneficial ownership of, and any risk attaching to, the Sale
     Shares shall pass on Completion, and the Sale Shares shall be sold and
     purchased together with all rights and benefits attached or accruing to
     them at Completion (including the right to receive all dividends,
     distributions or any return of capital declared, paid or made on or after
     Completion).


                                       12


<PAGE>


3.4  The Purchaser shall not be obliged to complete the purchase of any of the
     Sale Shares unless the purchase of all the Sale Shares is completed
     simultaneously.

4    CONSIDERATION
     -------------

4.1  The consideration for the sale of the Sale Shares shall be:

     (a)  the payment in cash on Completion by the Purchaser to the Vendor of
          the amount of(pound)21,500,000 less the amount of the On Demand
          Marshalls Indebtedness; and

     (b)  the execution by the Purchaser and the Purchaser Guarantor of the
          IXnet Note and the payment of such amounts as may become due
          thereunder.

4.2  [DELETED]

5    COMPLETION
     ----------

5.1  Completion shall take place at the offices of the Vendor's Solicitors or at
     such other place as the parties may agree at or before 12 noon on the
     Completion Date when all (but not part only unless the parties shall so
     agree) of the following business shall be transacted:

     (a)  The Vendor shall deliver to the Purchaser:

          (i)  transfers in respect of the Sale Shares duly executed and
               completed in favour of the Purchaser or as it may direct or have
               directed, together with the certificates therefor;

          (ii) duly executed transfers (in favour of such person or persons as
               the Purchaser may direct or have directed) of all shares or other
               interests in the Subsidiaries not registered in the name of the
               Company or any other Group Company, together with the
               certificates of all shares in the Subsidiaries;

          (iii) a deed of release in the agreed form in favour of the Company
               from BTM (Europe) Limited in relation to a Deed of Charge and a
               Guarantee entered into by the Company on 15 December 1993 in
               relation to loan facilities made available to the Marshalls
               Group;

          (iv) deeds of release in the agreed form (with such changes as may be
               required to reflect local jurisdictional legal requirements) in
               favour of Saturn Global Network Services Pty Limited from BTM
               (Europe) Limited (formerly Bank of Tokyo International Limited)
               relating to a Guarantee and two Deeds of Charge each dated 16
               December 1993 and made by, inter alia, Saturn Global


                                       13

<PAGE>


               Network Services Pty Limited in favour of Bank of Tokyo -
               Mitsubishi (UK) Limited in relation to loan facilities made
               available to the Marshalls Group;

          (v)  a deed of release in the agreed form in favour of Saturn Global
               Network Services (UK) Limited from BTM (Europe) Limited (formerly
               the Bank of Tokyo International Limited) in relation to a Deed of
               Charge and a Guarantee entered into by Saturn Global Network
               Services (UK) Limited on 28 April 1998 in relation to loan
               facilities made available to the Marshalls Group;

          (vi) a partial deed of release (relating to the Sale Shares) in the
               agreed form in favour of the Vendor Guarantor, M.W. Marshall &
               Company Limited and the Vendor from BTM (Europe) Limited in
               relation to Deeds of Charge entered into by each of the Vendor
               Guarantor, the Vendor and M.W. Marshall & Company Limited on 15
               December 1993 in relation to loan facilities made available to
               the Marshalls Group;

          (vii)a partial deed of release (relating to shares in Saturn Global
               Network Services (USA) Inc.) in the agreed form (with such
               changes as may be required to reflect local jurisdictional legal
               requirements) in favour of M.W. Marshall Inc. from BTM (Europe)
               Limited in relation to a Pledge and Security Agreement entered
               into by M.W. Marshall Inc. on 15 December 1993 in relation to
               loan facilities made available to the Marshalls Group;

          (viii)a partial deed of release (relating to shares in Saturn Global
               Network Services Pty Limited) in the agreed form (with such
               changes as may be required to reflect local jurisdictional legal
               requirements) in favour of M.W. Marshall and Company Pty Limited
               from BTM (Europe) Limited in relation to two Deeds of Charge
               entered into by, inter alia, M.W. Marshall and Company Pty
               Limited on 16 December 1993 in relation to loan facilities made
               available to the Marshalls Group;

          (ix) a partial deed of release (relating to shares in Saturn Global
               Network Services (Hong Kong) Limited) in the agreed form (with
               such changes as may be required to reflect local jurisdictional
               legal requirements) in favour of M.W. Marshall (Hong Kong)
               Limited from BTM (Europe) Limited in relation to a Deed of Charge
               entered into by M.W. Marshall (Hong Kong) Limited on 15 December
               1993 in relation to loan facilities made available to the
               Marshalls Group;

          (x)  the Taxation Deed duly executed by the Vendor and the Vendor
               Guarantor;


                                       14


<PAGE>


          (xi) confirmation in writing and in the agreed form from the Vendor
               Guarantor to the Purchaser confirming that, save for (A) the
               Marshalls Indebtedness; (B) specified amounts outstanding in
               respect of the Head Office Services provided to the Group during
               the 45 day period immediately prior to Completion; and (C)
               obligations arising pursuant to the provision of services by the
               Group to any member of the Marshalls Group (other than any Group
               Company) (but excluding any liability for breaches and for
               defaults by any member of the Group in respect of such services),
               no member of the Group has any obligation or liability whatsoever
               to any member of the Marshalls Group (other than any Group
               Company) and irrevocably and unconditionally releasing the
               Company and the Subsidiaries from, and indemnifying them against,
               all obligations, undertakings, liabilities and indebtedness to
               the Marshalls Group (other than any Group Company);

          (xii)the common seals, all blank and cancelled stock certificates (if
               any), certificates of incorporation and copies of the Memoranda
               and Articles of Association (containing copies of all such
               resolutions and agreements as are referred to in section 380 of
               the CA 1985) or equivalent constitutional documents of each of
               the Company and the Subsidiaries and their registers and books
               required by CA 1985 or other relevant laws to be kept by each of
               them all of which shall be written up to a date as close as is
               reasonably practicable to the Completion Date;

          (xiii)certificates from each of the banks at which the Company and
               the Subsidiaries maintain accounts of the amounts standing to the
               credit of such accounts at close of business on the second
               business day preceding Completion together with a list of all
               unpresented cheques and uncleared lodgements which upon
               presentation or clearance would be debited or credited to such
               accounts;

          (xiv) the Marshalls Contracts duly executed by the Vendor Guarantor;

          (xv) a letter signed by the Vendor in the agreed form confirming that
               there are no matters or things which have arisen or become known
               to it which ought to be notified to the Purchaser in accordance
               with clause 2.3(b) or giving full details of any such matters or
               things;

          (xvi)a letter signed by the Vendor in the agreed form certifying the
               amount of the Overdue Marshalls Receivable; and

          (xvii)the US GAAP Financials and a new version of the Accounts
               (prepared in accordance with UK GAAP) with an unqualified report
               of the Auditors.


                                       15


<PAGE>


     (b)  The Vendor shall:

          (i)  cause the transfers mentioned in clause 5.1(a) to be resolved to
               be registered (subject only to their being duly stamped) in
               accordance with the Articles of Association of the Company;

          (ii) cause such persons as the Purchaser may nominate 5 days prior to
               Completion to be validly appointed as Directors and as Secretary
               of the Company;

          (iii) on such appointments being made, cause the persons named in part
               A of schedule 3 to cease to be Directors and the person named in
               part B of schedule 3 to cease to be Secretary of the Company and
               cause the persons named in part C of schedule 3 as retiring
               directors and part D of schedule 3 as retiring secretary of each
               of the Subsidiaries to cease to be directors and secretary of
               such Subsidiaries and further cause all such persons to deliver
               to the Purchaser their written resignations of their respective
               offices and letters (executed as deeds) in the agreed form
               acknowledging that they have no claim outstanding for
               compensation for loss of office or otherwise howsoever, including
               redundancy and unfair dismissal (other than in the case of any
               such persons who are employees of a Group Company who will not be
               required to waive any claims which they may have pursuant solely
               to their contracts of employment with a Group Company) and
               releasing the Group from any such claims;

          (IV) [DELETED]

          (V)  [DELETED]

          (vi) procure the execution and delivery to the Group of new employment
               contracts in the agreed form by those employees referred to in
               Part I of schedule 3; and

          (vii) alter the accounting reference periods of each Group Company to
               30 September.

     (c)  The Purchaser shall:

          (i)  pay the amount of (pound)21,500,000 less the amount of the On
               Demand Marshalls Indebtedness by electronic funds transfer for
               value on the day of Completion to the Nominated Account;

          (ii) procure that the relevant Group Companies will forthwith repay
               all of the On Demand Marshalls Indebtedness and procure that an
               amount equal to the On Demand Marshalls Indebtedness is paid by
               electronic funds transfer for value on the day of Completion to
               the Nominated Account;


                                       16


<PAGE>


          (iii) deliver to the Vendor, duly executed on behalf of the Purchaser
               and the Purchaser Guarantor, a copy of the deed constituting the
               IXnet Note and issue the Ixnet Note to the Vendor; and

          (iv) deliver to the Vendor, duly executed on behalf of the Purchaser
               and the Purchaser Guarantor, a copy of the deed constituting the
               SGN Notes and procure that the Company will issue the SGN Notes
               as directed by the Vendor.

          Payment of the Purchase Price as provided for by sub-paragraphs (i)
          and (ii) above shall constitute a good discharge to the Purchaser in
          respect of it.

5.2 ((a)) If the Purchaser shall fail to comply with any of its obligations
          under the preceding provisions of this clause 5 on the Completion Date
          the Vendor may:

          (i)  defer Completion to a business day not more than 5 days after
               that date and, if the Purchaser shall fail to comply with any
               such obligations on such later date, at the Vendor's option,
               rescind this Agreement or follow the procedure set out in clause
               5.2(a)(ii); or

          (ii) proceed to Completion so far as practicable but without prejudice
               to the Vendor's rights (whether under this Agreement generally or
               under this clause) to the extent that the Purchaser shall not
               have complied with its obligations hereunder.

     (b)  Clause 5.2(a) shall be deemed to be repeated herein with the
          substitution of:

          (i)  "the Purchaser" for "the Vendor";

          (ii) "the Vendor" for "the Purchaser"; and

          (iii) "5.2(b)(ii)" for "5.2(a)(ii)".

6    POST-COMPLETION MATTERS
     -----------------------

6.1  The Vendor hereby declares that for so long as it remains the registered
     holder of any of the Sale Shares after Completion it will:

     (a)  hold the Sale Shares and the dividends and other distributions of
          profits or surplus or other assets declared, paid or made in respect
          of them after Completion and all rights arising out of or in
          connection with them in trust for the Purchaser and its successors in
          title;

     (b)  deal with and dispose of the Sale Shares and all such dividends,
          distributions and rights as are described in clause 6.1(a) as the
          Purchaser or any such successor may direct;


                                       17


<PAGE>


     (c)  if so requested by the Purchaser or any such successor:

          (i)  vote at all meetings which he shall be entitled to attend as the
               registered holder of the Sale Shares in such manner as the
               Purchaser or any such successor may direct; and

          (ii) execute all instruments of proxy or other documents which the
               Purchaser may reasonably require and which may be necessary or
               desirable or convenient to enable the Purchaser or any such
               successor to attend and vote at any such meeting.

6.2 ((a)) The Vendor and the Vendor Guarantor agree that they will procure that:

          (i)  for a period of three months after Completion (or in the case of
               the accounting or payroll services provided by the Marshalls
               Group to the Group, such additional period not exceeding a
               further three months, as the Purchaser shall reasonably request)
               any services made available to any Group Company by any member of
               the Marshalls Group (as set out in the Disclosure Letter but
               excluding those services which it is expressly stated will be
               discontinued the "Discontinued Services") will continue to be
               made available on the same basis (including as to cost) as prior
               to Completion;

          (ii) for a period of six months after Completion (but excluding for
               these purposes the premises in Hong Kong operated by the Vendor)
               any property sub-let to any Group Company by any member of the
               Marshalls Group, subject to the relevant company in the Marshalls
               Group retaining the right to sub-let such property will continue
               to be sub-let on the same basis (including as to cost) as prior
               to Completion;

          (iii) for a period of three months after Completion, the persons
               previously providing the Discontinued Services shall be made
               available at the Purchaser's reasonable request to assist in the
               transition of the Discontinued Services to the Group or the
               Purchaser; and

          (iv) for a period of three months after Completion, or such additional
               period not exceeding a further three months as the Purchaser
               shall reasonably request, assist in the transition of any
               computing services, including accounting and payroll, from the
               Marshalls Group's computer systems to the Group's or the
               Purchaser's computer systems.

     (b)  The Purchaser agrees to indemnify the Vendor and any other member of
          the Marshalls Group and their respective directors, officers,
          employees and agents and keep them fully and effectively indemnified
          against all actions, proceedings, losses, costs, claims, damages,
          liabilities and


                                       18


<PAGE>


          expenses which any of such persons may suffer or incur in respect of
          any claim made as a result of any damage caused to the property
          sub-let by the Marshalls Group to any Group Company pursuant to clause
          6.2(a)(ii) or to any property or assets of any member of the Marshalls
          Group or any property or assets which may be made available for use by
          any member of the Group pursuant to clause 6.2(a)(i) or any injury
          caused to any person for or to whom any member of the Marshalls Group
          is responsible or for which any member of the Marshalls Group may be
          vicariously liable, which damage or injury is caused by any member of
          the Group or their respective directors, officers, employees or agents
          or by any person for whom any member of the Group may be vicariously
          liable in each case in connection with the provision of the services
          and sub-letting of property referred to above and to expressly,
          irrevocably and unconditionally waive any claims which the Purchaser
          may have against the Vendor and any other member of the Marshalls
          Group or their respective directors, officers, employees or agents in
          respect of the provision of the services and sub-letting of property
          referred to above, in each case other than in respect of matters
          arising through the negligence or wilful default of any such person.

6.3 ((a)) On or before the second business day prior to the Completion Date,
          the Vendor will provide the Purchaser with a written estimate of the
          Working Capital Adjustment (the "Estimated Working Capital
          Adjustment"). Such written estimate shall set forth the detail of, and
          backup for, the amounts necessary to calculate the Working Capital
          Adjustment. Such amounts shall be based on the Vendor's good faith
          estimates and shall be presented in substantially the agreed form.

     (b)  Within sixty (60) business days after the Completion Date, the
          Purchaser shall prepare and deliver to the Vendor a statement (the
          "Final Adjustment Statement") setting forth and detailing the Working
          Capital Adjustment. The Final Adjustment Statement shall be based on
          amounts prepared in accordance with UK GAAP.

     (c)  The Final Adjustment Statement shall be final, binding and conclusive
          on the parties hereto unless the Vendor notifies the Purchaser in
          writing within twenty (20) business days after the receipt of the
          Final Adjustment Statement of a disagreement therewith (which notice
          shall state with reasonable specificity the reasons for any
          disagreement and the amount in dispute); provided that the Vendor may
          dispute the amounts on the Final Adjustment Statement only on the
          basis that the Final Adjustment Statement was not prepared in
          accordance with this clause 6.3 or that the amounts used to prepare
          the Final Adjustment Statement were not determined in accordance with
          UK GAAP.

     (d)  In the event of such a dispute, the Vendor and the Purchaser shall
          attempt in good faith to reconcile their differences and any
          resolution by them as to any disputed amounts shall be final, binding
          and conclusive on the parties. If the Vendor and the Purchaser are
          unable to resolve their 


                                       19


<PAGE>


          disputes within twenty (20) business days of the Vendor's written
          notice of dispute to the Purchaser, the parties shall submit the items
          remaining in dispute for resolution to a partner in a mutually
          acceptable and recognised independent international accounting firm
          with offices in the United Kingdom, or, if the parties are unable to
          agree, the President of the Institute of Chartered Accountants in
          England and Wales (the "Independent Accountant"), and within thirty
          (30) business days after such submission, the Independent Accountant
          shall determine and report to the parties upon such remaining disputed
          items, and such report shall be final, binding and conclusive on the
          parties hereto. Such determination by the Independent Accountant shall
          be limited to determining whether the Final Adjustment Statement was
          prepared in accordance with this clause 6.4 or that the amounts used
          to prepare the Final Adjustment Statement were not determined in
          accordance with UK GAAP. If the Independent Accountant determines that
          the Final Adjustment Statement was not prepared in accordance with
          this clause 6.3 or that the amounts used to prepare the Final
          Adjustment Statement were not determined in accordance with UK GAAP,
          the Independent Accountant shall provide to the parties the corrected
          amounts that should have appeared on the Final Adjustment Statement.
          The fees and expenses of the Independent Accountant shall be borne by
          the Vendor and the Purchaser equally.

     (e)  If the Working Capital Adjustment as finally determined pursuant to
          this clause 6.3 is greater than the Estimated Working Capital
          Adjustment, then (i) the amount of the difference between the Working
          Capital Adjustment and the Estimated Working Capital Adjustment shall
          be offset against the principal amount outstanding pursuant to the
          provisions of the IXnet Note, (ii) no accrued but unpaid interest
          shall be paid with respect to the amount of such adjustment and (iii)
          any interest relating to such amounts paid to any holder of the IXnet
          Note shall be offset against any future payments of principal or
          interest pursuant to the IXnet Note. If the Estimated Working Capital
          Adjustment as finally determined pursuant to this clause 6.3 is
          greater than the Working Capital Adjustment, then the Purchaser shall
          pay the amount of the difference between the Estimated Working Capital
          Adjustment and the Working Capital Adjustment to the Vendor within
          three business days after such final determination. Payments to be
          made hereunder by the Purchaser or the Vendor, as the case may be,
          shall be made in cash by electronic funds to the account or accounts
          designated in writing.

7    WARRANTIES
     ----------

7.1  The Vendor hereby represents and warrants to the Purchaser in the terms set
     out in schedule 4 (subject to clause 7.2 and to the Vendor protection
     provisions set out in schedule 5).

7.2  Each of the paragraphs in schedule 4 shall be construed as a separate and
     independent representation and/or warranty.


                                       20


<PAGE>


7.3  The Warranties shall not in any respect be extinguished or affected by
     Completion.

7.4  The provisions of schedule 5 shall have effect to limit the liability of
     the Vendor, where expressly provided, pursuant to this Agreement and the
     Taxation Deed.

7.5  The Purchaser hereby acknowledges that it has not entered into this
     Agreement in reliance on any warranties, representations, covenants,
     undertakings or indemnities howsoever or by whosoever or to whomsoever made
     except insofar as they are contained in this Agreement, the Taxation Deed
     or the Marshalls Contracts or letter delivered pursuant to this Agreement
     in the agreed form save for any misrepresentation which was fraudulently
     made and any representation which the Vendor knew at the time it was made
     was inaccurate or misleading in any material respect.

7.6  Without prejudice to the generality of clause 7.5 the Purchaser irrevocably
     and unconditionally waives any right it may have to claim damages and/or to
     rescind this Agreement for any misrepresentation not contained in this
     Agreement or letter delivered pursuant to this Agreement in the agreed form
     or for breach of any warranty not contained in this Agreement unless such
     misrepresentation was fraudulently made or such representation was known by
     the Vendor at the time it was made to be inaccurate or misleading in any
     material respect.

7.7  References to "(pound)" in schedule 4 shall, in relation to any amount
     calculated in a currency other than pounds sterling, be construed as
     references to the equivalent in pounds sterling of such other currency at
     the date hereof.

7.8  Where a Warranty is qualified by reference to the knowledge, information or
     belief of the Vendor then the relevant Warranty shall be deemed to be so
     qualified after due and careful enquiry by the Vendor of the senior
     management and Directors of the Company and the Subsidiaries, the senior
     management of the Vendor and the Vendor Guarantor who participate in the
     management or operations of the Group Companies (including any employees of
     the Vendor or Vendor Guarantor who are directors of the Company) and the
     Auditors and due and careful consideration of any documentation indicated
     to be relevant by any such person and the Purchaser expressly acknowledges
     that no further enquiry shall be undertaken by the Vendor or be necessary
     to prevent a breach of any such Warranty.

7.9  The Vendor and the Vendor Guarantor agree with the Purchaser for itself and
     as trustee for the Company and the Subsidiaries and each of their
     respective officers, employees and agents irrevocably and unconditionally
     to waive any rights, remedies or claims which they may have in respect of
     any misrepresentation or omission from any information or advice supplied
     or given by the Company and the Subsidiaries or their respective officers,
     employees or agents on which either of them has relied in giving the
     Warranties or agreeing to enter into the Taxation Deed or otherwise in
     connection with the Warranties, provided that the waiver by the Vendor and
     the Vendor Guarantor of such rights, remedies and claims shall not apply to
     any claim which may be made by the


                                       21


<PAGE>


     Vendor or the Vendor Guarantor against the following employees of Group
     Companies in respect of a misrepresentation which was fraudulently made by
     any such employee or which was made with actual knowledge that the
     representation was false (provided that the Vendor or the Vendor Guarantor
     was not aware that it was so made) unless and until an aggregate amount
     equivalent to that set opposite his name below shall have been paid by such
     employees to the Vendor or the Vendor Guarantor (in aggregate):

                EMPLOYEE                            AMOUNT
                --------                            ------
               P.N. Hase                        (pound)50,000

             G.D. Lenehan                       (pound)50,000

              A.A. Kelton                       (pound)50,000

               M. Curran                        (pound)50,000

7.10 The Purchaser represents and warrants to the Vendor and the Vendor
     Guarantor that this Agreement will, when executed, constitute legal, valid
     and binding obligations of the Purchaser, enforceable in accordance with
     its terms.

8    RESTRICTIVE COVENANTS
     ---------------------

8.1  The Vendor Guarantor undertakes with the Purchaser for itself and for the
     benefit of each Group Company that without the prior consent in writing of
     the Purchaser it will not (and will procure that no member of the Marshalls
     Group (whilst it remains such a member) nor any affiliate of any member of
     the Marshalls Group (whilst it remains such an affiliate) will), for a
     period of 3 years from the date of Completion in any country in which the
     Group carries on the Business at the Completion Date or in any country in
     which the Group has advanced plans to carry on the Business after the
     Completion Date:

     (a)  in relation to the Restricted Services or any of them, directly or
          indirectly solicit or canvass orders from, or deal with or supply such
          services to, any person, firm, company or other organisation who:

          (i)  was a customer of the Company or any other Group Company at any
               time during the 2 years prior to Completion; or

          (ii) at the date of Completion was in the process of negotiating or
               contemplating doing business with the Company or any other Group
               Company, or

     (b)  directly or indirectly solicit or entice away or endeavour to solicit
          or entice away from the Company or any other Group Company any
          director, manager, technical employee or salesman or other person
          employed or otherwise engaged by that Group Company during the 12
          months period prior to Completion.

8.2  The Vendor Guarantor undertakes with the Purchaser that it will not (and
     will procure that no member of the Marshalls Group (whilst it remains such
     a


                                       22


<PAGE>


     member) will) at any time after Completion engage in any trade or business
     or be associated with any person firm or company engaged in any trade or
     business using the name "Saturn" or "SGN" or any similar name or names or
     any colourable imitation thereof.

8.3 ((a)) The Vendor and the Vendor Guarantor hereby covenant, agree and
          undertake with the Purchaser, for itself and for the benefit of each
          Group Company, that from and after the Completion Date and until the
          third anniversary of the Completion Date, neither the Vendor, the
          Vendor Guarantor nor any member of the Marshalls Group other than M.W.
          Marshall Singapore Private Limited (after it ceases to be an indirect
          subsidiary of the Vendor Guarantor) nor any affiliate of any member of
          the Marshalls Group shall directly, or indirectly, engage in, or own,
          manage, operate or control, or participate in the ownership,
          management, operation or control of, any person, firm, company,
          partnership, joint venture or other business whatsoever that engages,
          in any country in which the Group carries on the Business at the
          Completion Date, in a business the same as or similar to or in
          competition with the Business or any part thereof, provided, however,
          that nothing herein shall prohibit the Vendor and the Vendor Guarantor
          or the Marshalls Group or any affiliate of any member of the Marshalls
          Group from owning not more than 3% of any class of securities of a
          publicly traded company engaged in such a business so long as neither
          the Vendor, Vendor Guarantor, any member of the Marshalls Group nor
          any affiliate of any member of the Marshalls Group participates in any
          way in the management, operation or control of such entity; provided
          further that, nothing herein shall prohibit the Vendor or the Vendor
          Guarantor or any other member of the Marshalls Group from (i)
          establishing and operating a communications network for the purpose
          solely of disseminating Marshalls Group market data and transactional
          information (which transactional information may include Marshalls
          Group transactional data and other raw transactional information to
          the extent not consolidated or summarised by any person other than a
          member of the Marshalls Group) solely to Marshalls customers, or (ii)
          subject to clause 8.3(b) having an interest in a third party which is
          not a member or affiliate of the Marshalls Group (the "Consortium
          Provider") that establishes and/or operates a communications network
          for the purpose of disseminating Marshalls Group market data and
          Marshalls Group transactional information, together with the
          dissemination of (A) data and information of other entities (or other
          affiliates) which have an interest in the Consortium Provider which
          are not part of the Marshalls Group (which transactional information
          may include transactional data of any entity with an interest in the
          Consortium Provider (or their respective affiliates) ("Consortium
          Member") and other raw transactional information to the extent not
          consolidated or summarised by any person other than a Consortium
          Member or (B) other raw transactional information relating to the
          inter-dealer/money broker business of any other entity which is an
          inter-


                                       23


<PAGE>


          dealer/money broker to the extent that such raw transactional
          information is not consolidated or summarised by any other person.

    ((b))((i)) If (A) any member of the Marshalls Group or any affiliate of the
               Marshalls Group owns directly an aggregate of 40% or more of the
               voting rights or has the right to receive 40% or more of the
               profits of a Consortium Provider, and (B) no other person
               (together with its own holding companies, its subsidiaries, the
               subsidiaries of its holding companies or any of their respective
               affiliates) owns a greater percentage of the voting rights than
               the aggregate voting rights owned by the Marshalls Group and any
               affiliate of the Marshalls Group, then the Vendor Guarantor shall
               procure that the Group shall be the Preferred Provider of
               communication network services for the Consortium Provider.

          (ii) If (A) any member of the Marshalls Group or any affiliate of the
               Marshalls Group owns directly or indirectly and aggregate of 40%
               or more of the voting rights or has the right to receive 40% or
               more of the profits of a Consortium Provider, and (B) any person
               (together with its own holding companies, its subsidiaries, the
               subsidiaries of its holding companies or any of their respective
               affiliates) other than the Marshalls Group or any affiliate of
               the Marshalls Group owns a greater or equal percentage of the
               voting rights than the aggregate voting rights owned by the
               Marshalls Group and any affiliate or the Marshalls Group, then
               the Marshalls Group shall use its best efforts to procure that
               the Group shall be the Preferred Provider of communication
               network services for the Consortium Provider.

          (iii) "Preferred Provider" shall mean that, save for minor
               enhancements or repairs to a communications network that is
               either in place on the date hereof or is established after the
               date hereof but in respect of which the Group has been given the
               opportunity referred to below and has not been chosen as the
               provider of the relevant network services, the Consortium
               Provider shall not acquire communication network services from
               any third party without first providing to the Group written
               notice of such communication network services and providing the
               Group with a reasonable opportunity to tender for the provision
               of such communication network services.

8.4  The Vendor and the Vendor Guarantor acknowledge that each of the clause
     8.1, 8.2 and 8.3 and the sub-clauses thereof constitute a separable and
     independent covenant and restriction on them, the Marshalls Group and any
     affiliate of any member of the Marshalls Group and that given the nature of
     the Business, the covenants contained in such clauses contain reasonable
     limitations as to time, geographical area and scope of activity to be
     restricted and do not impose a greater restriction than is necessary to
     protect and preserve for the benefit of the Purchaser the goodwill of the
     Business and to protect the legitimate business


                                       24


<PAGE>


     interests of the Purchaser. If, however, any provision of such clauses or
     sub-clauses is determined by any non-appealable final order, decree or
     judgment of any court of competent jurisdiction to be unenforceable by
     reason of its extending for too long a period of time or over too large a
     geographic area or by reason of its being too extensive in any other
     respect or for any other reason, but would be valid if some part thereof
     were deleted, such provision shall apply with any such deletion as may be
     necessary to make it valid and effective.

8.5  From and after the Completion Date, the Vendor and the Vendor Guarantor
     shall, and shall procure that each member of the Marshalls Group and any
     affiliate of any member of the Marshalls Group shall, keep confidential and
     not disclose to any other person or use for his or its own benefit or the
     benefit of any other person (a) any trade secrets or other confidential
     proprietary information in his or their possession or control regarding the
     Company, the Subsidiaries or their business and operations and (b) any
     information concerning this Agreement or the transactions contemplated
     hereby. The obligations of the Vendor and the Vendor Guarantor under this
     clause 8.5 shall not apply to information which (i) is or becomes generally
     available to the public without breach of the commitment provided for in
     this section; or (ii) is required to be disclosed by law, order or
     regulation of a court or tribunal or governmental authority, provided,
     however, that, in any such case, the Vendor or the Vendor Guarantor shall
     notify the Purchaser as soon as reasonably practicable prior to disclosure
     to allow the Purchaser to take appropriate measures to preserve the
     confidentiality of such information. The obligations of the Vendor and the
     Vendor Guarantor under sub-paragraph (ii) above shall not apply to the
     disclosure of any such information to any relevant regulatory body or,
     provided such disclosure is made subject to appropriate confidentiality
     restrictions, to any financial institution that provides or proposes to
     provide loan or other facilities to any member of the Marshalls Group or
     any affiliate of any member of the Marshalls Group.

8.6  For the purpose of clauses 8.1, 8.2 and 8.3 the phrase "directly or
     indirectly" means, without prejudice to the generality of the expression,
     either alone or jointly or as a partner, shareholder, director, executive,
     employee, consultant, joint venture, investor or in any other capacity.

8.7  From and after the date hereof and unless and until this Agreement has been
     terminated or rescinded pursuant to its terms, none of the Vendor or the
     Vendor Guarantor, shall, and the Vendor and Vendor Guarantor shall procure
     that no member of the Marshalls Group, nor any of its or their respective
     affiliates, officers, directors, employees, representatives or agents,
     shall, directly or indirectly, solicit, initiate or participate in any way
     in discussions or negotiations with, or provide any information, or
     assistance to, any person or group of persons (other than Purchaser)
     concerning any acquisition of an equity interest in, or a merger,
     consolidation, liquidation, dissolution, disposition of assets (other than
     in the ordinary course of business and as specifically permitted pursuant
     to this Agreement) of the Company or any of the Subsidiaries or any
     disposition of any of the Sale Shares or any of the share capital of the
     Subsidiaries (other than pursuant to the transactions contemplated by this


                                       25


<PAGE>


     Agreement) (each, an "Acquisition Proposal"), or assist or participate in,
     facilitate or encourage any effort or attempt by any other person to do or
     seek to do any of the foregoing. The Vendor and the Vendor Guarantor shall,
     and shall procure that the Group shall, promptly communicate to Purchaser
     the terms of any Acquisition Proposal which they or any other member of the
     Marshalls Group or any Affiliate may receive after the date hereof. The
     Vendor and the Vendor Guarantor represent and warrant to, and covenant and
     agree with, the Purchaser that neither they nor any member of the Marshalls
     Group (including for the avoidance of doubt the Company and the
     Subsidiaries) nor any affiliate of any member of the Marshalls Group have
     incurred any obligations to any potential acquirer that would be violated
     by reason of the execution, deliver and consummation of this Agreement.

8.8  Any breach of the provisions of clauses 8.1(a) and/or 8.3 which results
     from any person becoming a member of the Marshalls Group or an affiliate of
     any member of the Marshalls Group after the date of this Agreement by
     reason of acquisition by or of, or merger with, any member of the Marshalls
     Group as currently constituted where such person carries on, as a
     subsidiary part of its principal business (being less than 5% of the
     turnover of the business of the person concerned or turnover of 5 million
     US dollars per annum (whichever is the lower)), a business which may in any
     way be the same or similar to the Business or any part thereof (the
     "Offending Business") shall be disregarded provided that such Offending
     Business shall have been disposed of within 12 months of such person
     becoming a member of the Marshalls Group or an affiliate of any member of
     the Marshalls Group.

9    VENDOR AND PURCHASER GUARANTEE
     ------------------------------

9.1 ((a)) In consideration of the Purchaser and the Purchaser Guarantor
          entering into this Agreement, the Vendor Guarantor hereby guarantees
          to the Purchaser the due and punctual performance of all the
          obligations and liabilities of the Vendor under or otherwise arising
          out of or in connection with this Agreement and undertakes to keep the
          Purchaser fully indemnified against all liabilities, losses,
          proceedings, claims, damages, costs and expenses of whatever nature
          which the Purchaser may suffer or incur as result of any failure or
          delay by the Vendor in the performance of any of such obligations and
          liabilities.

     (b)  If any obligation or liability of the Vendor expressed to be the
          subject of the guarantee contained in this clause ("the Vendor
          Guarantee") is not or ceases to be valid or enforceable against the
          Vendor (in whole or in part) on any ground whatsoever (including, but
          not limited to, any defect in or want of powers of the Vendor or
          irregular exercise thereof or any lack of authority on the part of any
          person purporting to act on behalf of the Vendor or any legal or other
          limitation, disability or incapacity, or any change in the
          constitution of, or any amalgamation or reconstruction of, or the
          bankruptcy, liquidation, administration or insolvency of the Vendor),
          the Vendor Guarantor shall nevertheless be liable to the Purchaser in
          respect of that purported obligation or liability as if the


                                       26


<PAGE>


          same were fully valid and enforceable and the Vendor Guarantor were
          the principal debtor in respect thereof.

     (c)  The liability of the Vendor Guarantor under the Vendor Guarantee shall
          not be discharged or affected in any way by:

          (i)  the Purchaser compounding or entering into any compromise,
               settlement or arrangement with the Vendor, any co-guarantor or
               any other person; or

          (ii) any variation, extension, increase, renewal, determination,
               release or replacement of this Agreement, whether or not made
               with the consent or knowledge of the Vendor Guarantor; or

          (iii) the Purchaser granting any time, indulgence, concession, relief,
               discharge or release to the Vendor, any co-guarantor or any other
               person or realising, giving up, agreeing to any variation,
               renewal or replacement of, releasing, abstaining from or delaying
               in taking advantage of or otherwise dealing with any securities
               from or other rights or remedies which it may have against the
               Vendor, any co-guarantor of any other person; or

          (iv) any other matter or thing which, but for this provision, might
               exonerate or affect the liability of the Vendor Guarantor.

     (d)  The Vendor Guarantee is in addition to any other security or right now
          or hereafter available to the Purchaser and is a continuing security
          notwithstanding any liquidation, administration, insolvency or other
          incapacity of the Vendor or the Vendor Guarantor.

9.2  Clause 9.1 shall be deemed to be repeated herein with the substitution of:

     (a)  "Vendor" for "Purchaser"; and

     (b)  "Purchaser" for "Vendor".

9.3 ((a)) The Vendor Guarantor represents and warrants to the Purchaser that
          this Agreement constitutes and the Taxation Deed and the Marshalls
          Contracts which are to be delivered at Completion will, when executed,
          constitute legal, valid and binding obligations of the Vendor
          Guarantor enforceable in accordance with their respective terms.

     (b)  The Purchaser Guarantor represents and warrants to the Vendor and the
          Vendor Guarantor that this Agreement constitutes legal, valid and
          binding obligations of the Purchaser Guarantor enforceable in
          accordance with its terms.


                                       27


<PAGE>



10   CONTINUING EFFECTS OF THIS AGREEMENT
     ------------------------------------

     All provisions of this Agreement shall so far as they are capable of being
     performed or observed continue in full force and effect notwithstanding
     Completion except in respect of those matters then already performed and
     Completion shall not constitute a waiver of any of the Purchaser's rights
     in relation to this Agreement or the Taxation Deed.

11   ANNOUNCEMENTS
     -------------

     Save as (but only to the extent) expressly required by law or by any
     relevant regulatory, governmental or quasi-governmental authority, all
     announcements by, of or on behalf of, any of the parties hereto relating to
     the sale and purchase of the Sale Shares shall be in terms to be agreed
     between the parties in advance of issue.

12   RELEASES, WAIVERS ETC.
     ----------------------

     Neither the single or partial exercise or temporary or partial waiver by
     any party to this Agreement of any right, nor the failure by any such party
     to exercise in whole or in part any right or to insist on the strict
     performance of any provision of this Agreement, nor the discontinuance,
     abandonment or adverse determination of any proceedings taken by any such
     party to enforce any right or any such provision shall (except for the
     period or to the extent covered by any such temporary or partial waiver)
     operate as a waiver of, or preclude any exercise or enforcement or (as the
     case may be) further or other exercise or enforcement by any such party of,
     that or any other right or provision.

13   NOTICES
     -------

13.1 Any notice or any other document to be given under this Agreement shall be
     in writing and shall be deemed duly given if left at, or sent by (i) first
     class post, airmail, express or other fast postal service or (ii) facsimile
     transmission to the addresses and facsimile numbers specified in clause
     13.4 below (including, if applicable, any "copy to" addressee) or such
     other address or facsimile number as any party may by notice to the other
     parties expressly substitute therefor.

13.2 Notice shall be deemed to be given if sent by first class post, express or
     other fast postal service, 2 business days after posting or, in the case of
     posting to an overseas address, 7 business days after posting, and if sent
     by facsimile transmission when in the ordinary course of the means of
     transmission it would first be received by the addressee during normal
     business hours.

13.3 In proving the giving of a notice it shall be sufficient to prove that the
     notice was left or that the envelope containing such notice was properly
     addressed and posted or that the applicable means of telecommunications was
     properly addressed and despatched (as the case may be).

13.4 The addresses and facsimile numbers referred to in clause 13.1 above are:


                                       28


<PAGE>


     (a)  The Vendor and the Vendor Guarantor:
          For the attention of:  The Finance Director
          Address:               Lloyds Chambers
                                 1 Portsoken Street
                                 London E1 8DF
          Facsimile number:      0171 702 3951

(b)      The Purchaser and the Purchaser Guarantor:
         For the attention of:   David Walsh
         Address:                IXNET
                                 Wall Street Plaza
                                 88 Pine Street
                                 New York, NY 10005
         Facsimile number:       001 212 858 7990

         with a copy to:    General Counsel
         Address:                IPC Information Systems, Inc.
                                 Wall Street Plaza
                                 88 Pine Street
                                 New York, NY 10005
         Facsimile number:       001 212 858 7959

14   ENTIRE AGREEMENT
     ----------------

     Save as otherwise agreed in writing by all the parties, this Agreement
     (together with all documents which are required by its terms to be entered
     into by the parties or any of them and all other documents which are in the
     agreed form and are entered into by the parties or any of them in
     connection with this Agreement) sets out the entire agreement and
     understanding between the parties in connection with the Company and the
     sale and purchase and other matters described in it.

15   ALTERATIONS
     -----------

     No purported alteration of this Agreement shall be effective unless it is
     in writing, refers to this Agreement and is duly executed by each party
     hereto.

16   COUNTERPARTS
     ------------

     This Agreement may be entered into in the form of two or more counterparts
     each executed by one or more of the parties but, taken together, executed
     by all and, provided that all the parties so enter into the Agreement, each
     of the executed counterparts, when duly exchanged or delivered, shall be
     deemed to be an original, but, taken together, they shall constitute one
     instrument.

17   SUCCESSORS AND ASSIGNS
     ----------------------

17.1 This Agreement shall be binding on and shall enure for the benefit of the
     successors in title of each party.


                                       29


<PAGE>


17.2 None of the parties hereto shall be entitled to assign the benefit of any
     rights under this Agreement save only that the Purchaser shall be entitled
     to assign the benefit of its rights hereunder to any bank which provides
     funds to the Purchaser to enable it to pay the Purchase Price or any
     significant part thereof if (but only if) such bank shall require such
     assignment as part of its security.

17.3 The Vendor Guarantor shall procure that in the event of the direct or
     indirect sale or transfer of all or substantially all of the assets of the
     Vendor Guarantor within four years from the Completion Date the Vendor
     Guarantor shall, if required by the Purchaser, procure that the purchaser
     of such assets shall by deed in terms reasonably satisfactory to the
     Purchaser agree to the assignment of this Agreement to such purchaser of
     the obligations of the Vendor and the Vendor Guarantor under this Agreement
     which such purchaser will assume on a joint and several basis with the
     Vendor and the Vendor Guarantor.

17.4 For the purposes of clause 17.3, substantially all of the assets of the
     Vendor Guarantor shall mean assets constituting 80% of more of the assets
     of the Marshalls Group (excluding the Group) on a consolidated basis,
     either on the basis of book value or fair market value.

18   APPLICABLE LAW AND SUBMISSION TO JURISDICTION
     ---------------------------------------------

18.1 This Agreement shall be governed by and construed in accordance with
     English law.

18.2 It is hereby agreed that:

     (a)  subject to paragraph (c) of this sub-clause, if any party has any
          claim against another party arising out of or in connection with this
          Agreement such claim shall be referred to the High Court of Justice in
          England, to the jurisdiction of which each of the parties hereto
          irrevocably submits;

     (b)  subject to paragraph (c) of this sub-clause, the jurisdiction of the
          High Court of Justice in England over any such claim shall be an
          exclusive jurisdiction and no courts outside England shall have
          jurisdiction to hear or determine any such claim; and

     (c)  if in any suit, action or proceeding ("Proceeding") arising out of or
          in connection with this Agreement an order or injunction is sought
          (including but not limited to an order for specific performance of any
          obligations under this Agreement) ordering a party to do or refrain
          from doing anything in any jurisdiction other than England whether or
          not damages or other monetary relief are also sought in the same
          Proceedings, then notwithstanding paragraphs (a) and (b) of this
          sub-clause such Proceeding may be brought by a Court or competent
          jurisdiction situated within such other jurisdiction,


                                       30


<PAGE>


     provided that nothing in sub-clauses (a) and (b) above shall prevent or
     restrict proceedings in any jurisdiction relating to the enforcement of any
     judgement already obtained in the High Court of Justice in England.

19   ADDRESS FOR SERVICE
     -------------------

19.1 Each of the Purchaser and the Purchaser Guarantor hereby irrevocably
     authorises and appoints the Purchaser's Solicitors (or such other person or
     persons, being a firm of solicitors resident in England, as the Purchaser
     or the Purchaser Guarantor (as the case may be) may hereafter as regards
     itself by notice in writing to all the other parties hereto from time to
     time substitute) to accept on its behalf service of all legal process
     arising out of or connected with this Agreement and in the case of service
     to the Purchaser's Solicitors all communications shall be marked for the
     attention of the Head of the Business Law Department.

19.2 Service of such process on the person for the time being authorised under
     clause 19.1 to accept it on behalf of the Purchaser or the Purchaser
     Guarantor (as the case may be) shall be deemed to be service of that
     process on the Purchaser or the Purchaser Guarantor (as the case may be).

20   COSTS AND EXPENSES
     ------------------

     Each party to this Agreement shall bear the costs and expenses incurred by
     it in connection with the preparation, negotiation, registration and
     execution of this Agreement and the consummation of the transactions
     contemplated hereby.

21   FURTHER ASSURANCE
     -----------------

     The Vendor undertakes to the Purchaser that as soon as possible following
     Completion it will procure the execution of any document which the
     Purchaser may reasonably require it to have executed so as to vest
     effectively the beneficial and legal ownership of the Sale Shares in the
     Purchaser or as it may direct, free from all liens, charges, encumbrances
     and adverse claims.

IN WITNESS  whereof this  Agreement has been entered into the day and year first
above written.


                                       31


<PAGE>


                                   SCHEDULE 1
                                   ----------

                                   The Company
                                   -----------

Date and place of incorporation:    Incorporated in England and Wales on 9
                                    October 1987

Registered number:                  2176144

Registered office:                  Lloyds Chambers, 1 Portsoken Street,
                                    London E1 8DF

Authorised share capital:           (pound)500,000 divided into 500,000 Ordinary
                                    Shares of(pound)1 each

Issued share capital:               483,100 Ordinary Shares

Directors:                          M.A.S. Bailey
                                    A.A. Kelton
                                    P.N. Hase
                                    D. O'Malley

Secretary:                          H.M. Raver



                                       32


<PAGE>


                                   Schedule 2
                                   ----------

                                The Subsidiaries
                                ----------------



Name:                            Saturn Global Network Services (U.K.) Ltd.

Date and place of Incorporation: 14 March 1997, England

Registered number:               3333840

Registered office:               Lloyds Chambers, 1 Portsoken Street, London E1
                                 8DF

Authorised share capital:        (pound)100 divided into 100 Shares of 100p each

Issued share capital:            1 share fully paid

Directors:                       D. O'Malley
                                 M.A.S. Bailey
                                 P.N. Hase

Secretary:                       H.M. Raver



                                       33


<PAGE>


Name:                               Saturn Global Network Services Pty Ltd.

Date and place of Incorporation:    10 July 1992, Australia

Registered number:                  056 783 852

Registered office:                  Level 6, 83 Clarence Street, Sydney, NSW
                                    2000, Australia

Authorised share capital:           A$1,000,000 divided into 1,000,000 Shares of
                                    A$1 each

Issued share capital:               100,000 Shares fully paid

Directors:                          D. O'Malley
                                    A.A. Kelton
                                    K.J. Hiscox

Secretary:                          M.A. Voyias





                                       34


<PAGE>



Name:                               Saturn Systems Pte Limited

Date and place of Incorporation:    17 April 1997, Singapore

Registered number:                  199702806D

Registered office:                  1 Robinson Road, AIA Tower #19-01, Singapore
                                    048542

Authorised share capital:           S$100,000 divided into 100,000 Shares of S$1
                                    each

Issued share capital:               2 Shares fully paid

Directors:                          D. O'Malley
                                    G.D. Lenehan
                                    Teo Kiang Kok (Resident Director)

Secretary:                          Wendy Lee Su Lin




                                       35

<PAGE>


Name:                               Saturn Global Networks, Inc.

Date and place of Incorporation:    15 July 1994, New York

Registered number:                  13-3784371

Registered office:                  75 Park Place, New York, NY10007, USA

Authorised share capital:           US$1 divided into 100 Shares of US$0.01 each

Issued share capital:               100 Shares fully paid

Directors:                          J.T. Garland
                                    P.N. Hase

Secretary:                          J.T. Garland





                                       36


<PAGE>


Name:                               Saturn Global Network Services (Singapore)
                                    Pte Ltd.

Date and place of Incorporation:    7 June 1996, Singapore

Registered number:                  199604128W

Registered office:                  1 Robinson Road, AIA Tower #19-01, Singapore
                                    048542

Authorised share capital:           S$100,000 divided into 100,000 Shares of S$1
                                    each

Issued share capital:               2 Shares fully paid

Directors:                          D. O'Malley
                                    G.D. Lenehan
                                    Teo Kiang Kok (Resident Director)
                                    M.A.S. Bailey

Secretary:                          Mr. Ng Joo Khin





                                       37


<PAGE>


Name:                            Saturn Global Network Services (Hong Kong) Ltd.

Date and place of Incorporation: 26 September 1995, Hong Kong

Registered number:               526491

Registered office:               2903 Edinburgh Tower, Landmark Building,
                                 Hong Kong

Authorised share capital:        HK$1000 divided into 1000 Shares of HK$1 each

 Issued share capital:           1000 Shares fully paid

Directors:                       D. O'Malley
                                 G.D. Lenehan
                                 M.A.S. Bailey

Secretary:                       Sekots & Company Limited




                                       38


<PAGE>


Name:                            Saturn Global Network Services (Japan) Ltd.

Date and place of Incorporation: January 1996, Japan

Registered number:               Not applicable

Registered office:               10th Floor, Nippon Building, Ohtemachi, Chiyoda
                                 Ku, Tokyo, Japan

Authorised share capital:        Yen 40,000,000 divided into 800 shares of Yen
                                 50,000 each

Issued share capital:            200 shares fully paid

Directors:                       D. O'Malley
                                 G.D. Lenehan
                                 Kazunori Kanoh (Resident Director)

Secretary:                       Not applicable




                                       39


<PAGE>


Name:                              SGN Employee Trustee (Jersey) Limited

Date and place of Incorporation:   2 January 1998, Jersey Channel Islands

Registered number:                 70535

Registered office:                 PO Box 87, 22 Grenville Street, St. Helier,

                                   Jersey JE4 8PX, Channel Islands

Authorised share capital:          (pound)10,000 divided into 10,000 ordinary
                                   shares of(pound)1 each

Issued share capital:              10 ordinary shares of(pound)1 each fully paid

Shareholder:                       Juris Limited & Lively Limited

Directors:                         J.D.P. Crill
                                   N.C. Davies
                                   M.A.S. Bailey

Secretary:                         Mourant & Co. Secretaries Limited



                                       40


<PAGE>


                                   SCHEDULE 3
                                   ----------

                             Directors and employees
                             -----------------------



                           Part A - Retiring Directors
                           ---------------------------


                                  M.A.S. Bailey
                                  A. A. Kelton
                                   P. N. Hase
                                   D. O'Malley


                           Part B - Retiring Secretary
                           ---------------------------


                                   H.M. Raver


                                       41


<PAGE>


                    Part C - Subsidiaries Retiring Directors
                    ----------------------------------------

            COMPANY                          RETIRING DIRECTOR
            -------                          -----------------

(A) Saturn Global Network Services      (1)  M.A.S. Bailey
    (UK) Ltd                            (2)  D. O'Malley
                                        (3)  P. N. Hase

(B) Saturn Global Network Services      (1)  D. O'Malley
    Pty Ltd                             (2)  A. A. Kelton
                                        (3)  K J Hiscox

(C) Saturn Systems Pte Limited          (1)  D. O'Malley
                                        (2)  G. D. Lenehan

(D) Saturn Global Network Services      (1)  J.T. Garland
    (USA) Inc.                          (2)  P. N. Hase

(E) Saturn Global Network Services      (1)  M.A.S. Bailey
    (Singapore) Pte                     (2)  D. O'Malley
                                        (3)  G. D. Lenehan

(F) Saturn Global Network Services      (1)  M.A.S. Bailey
    (Hong Kong) Ltd                     (2)  D. O'Malley
                                        (3)  G. D. Lenehan

(G) Saturn Global Network Services      (1)  D. O'Malley
    (Japan) Ltd                         (2)  G. D. Lenehan

(H) SGN Employee Trustee (Jersey)       (1)  M.A.S. Bailey
    Limited

                    Part D - Subsidiaries Retiring Secretary
                    ----------------------------------------

            COMPANY                          RETIRING SECRETARY
            -------                          ------------------
(A) Saturn Global Network Services      H.M. Raver
    (UK) Ltd

(B) Saturn Global Network Services      M.A. Voyias
    Pty Ltd

(C) Saturn Systems Pte Limited          Wendy Lee Su Lin

(D) Saturn Global Network Services      J.T. Garland
    (USA) Inc.

(E) Saturn Global Network Services      Ng Joo Khin
    (Singapore)Pte


                                       42


<PAGE>


                 Part E - Persons to receive Service Agreements
                 ----------------------------------------------


                                    M. Curran

                                    P.N. Hase

                                   A.A. Kelton

                                  G.D. Lenehan






                                       43


<PAGE>


                                   SCHEDULE 4
                                   ----------

                        Matters represented and warranted
                        ---------------------------------



                                PART A - GENERAL
                                ----------------

1        CONSTITUTION AND STRUCTURE OF THE GROUP
         ---------------------------------------

1.1  The Sale Shares constitute the entire issued share capital of the Company.

1.2 ((a)) The Subsidiaries are and have always been the only subsidiaries of
          the Company and are all wholly owned by the Company and the shares of
          which are held free from any Encumbrance (as defined herein) and the
          Company has no subsidiary undertaking.

     (b)  Each of SGN Employee Trustees (Jersey) Limited and Saturn Systems Pte
          Limited is and always has been dormant, has never traded and does not
          have and never has had any subsidiaries.

1.3  The information set out in schedule 1 relating to the Company and schedule
     2 relating to the Subsidiaries is true and accurate in all respects.

1.4  No Group Company has any direct or indirect:

     (a)  interest in the share capital of, or other investment in, any body
          corporate other than, in the case of the Company, the Subsidiaries; or

     (b)  interest in any partnership, joint venture, consortium or other
          unincorporated association or arrangement for sharing profit other
          than, in the case of the Company, the Subsidiaries,

     and has no outstanding obligation to acquire any such interest or in
     respect of any such interest formerly owned by it or agreed to be acquired
     by it.

1.5  There is no shadow director of any Group Company.

1.6  The Company and all of the Subsidiaries are companies duly incorporated,
     validly existing and, in the case of Saturn Global Network Services (USA)
     Inc. ("SGN (USA)"), in good standing, under the laws of their respective
     jurisdictions of incorporation. The Company and each of the Subsidiaries
     has all requisite power and authority to own or lease their properties and
     assets as now owned or leased and to carry on their businesses as and where
     now being conducted. The copies of the Company's and all of the
     Subsidiaries' articles and memorandum of incorporation or association or
     equivalent organisational documents, as amended to date, which are
     incorporated in the bundle of documents attached to the Disclosure Letter,
     are correct and complete and are in full force and effect. Neither the
     Company nor any of the Subsidiaries has ever engaged in any business other
     than the Business.


                                       44


<PAGE>


1.7  All documents required by CA 1985 or any other legislation to be filed with
     the Registrar of Companies in England and Wales in respect of the Company
     or Saturn Global Network Services (UK) Limited and all documents required
     to be filed by any other relevant legislation in respect of the
     Subsidiaries have been duly filed, in each case where failure to make such
     a filing would result in the imposition of a fine, losses, costs or damages
     which exceeds (pound)1,000, and were when so filed correct and due
     compliance has been made with all other material legal requirements in
     connection with the formation of the Company and the Subsidiaries.

1.8  The Register of Members and other books required by CA 1985 or any other
     relevant legislation to be kept by the Company and the Subsidiaries contain
     an accurate and complete record of the matters with which they should deal
     and there has been no notice of any proceedings to correct or rectify any
     such books.

1.9  No Group Company is a member of any partnership, joint venture, trade
     association, society or other group, whether formal or informal and whether
     or not having a separate legal identity, nor is any such body relevant to
     nor does any such body have any material influence over the Business.

1.10 No member of the Group has any liability whatsoever to or in respect of M W
     Marshall Options Limited (a company which was a direct subsidiary of the
     Company from 22 January 1988 to 28 September 1993).

2    POWERS AND OBLIGATIONS OF THE VENDOR AND THE VENDOR GUARANTOR
     -------------------------------------------------------------

2.1  The Vendor or, as the case may be, the Vendor Guarantor has the requisite
     power under its Memorandum of Association to execute, deliver and perform
     its obligations under this Agreement, the Taxation Deed and the Marshalls
     Contracts.

2.2  The execution and delivery of, and the performance of the obligations of
     the Vendor or, as the case may be, the Vendor Guarantor under, this
     Agreement, the Taxation Deed and the Marshalls Contracts have been duly
     authorised by all necessary corporate action on the part of the Vendor or,
     as the case may be, the Vendor Guarantor whether under its Articles of
     Association or otherwise.

2.3  This Agreement constitutes, the Taxation Deed, the Marshalls Contracts and
     the other documents executed by the Vendor which are to be delivered at
     Completion will, when executed, constitute legal, valid and binding
     obligations of the Vendor enforceable in accordance with their respective
     terms.

2.4  Save in connection with (i) any matter relating directly or indirectly to
     any Licence or the transfer to the Purchaser of any Licence and (ii) any
     restrictions relating to the acquisition by the Purchaser of the Company
     under applicable competition law, restrictions on foreign ownership of
     assets or connected requirements in any jurisdiction whatsoever, no
     consent, notice, filing, authorisation, licence or approval of any
     governmental, administrative, judicial or regulatory body, authority or
     organisation or any other third party is required


                                       45


<PAGE>


     to authorise the execution, delivery, validity, enforceability, completion
     or admissibility in evidence of this Agreement, the Marshalls Contracts, or
     the Taxation Deed or the performance by the Vendor or the Vendor Guarantor,
     as the case may be, of its obligations under this Agreement, the Marshall
     Contracts, or the Taxation Deed. Valid and binding consent has been
     obtained by the Vendor Guarantor from such number of shareholders as is
     required by its articles of association to the transactions contemplated by
     this Agreement, the Marshalls Contracts and the Taxation Deed and the
     obligations of the Marshalls Group (other than the Group) hereunder and
     thereunder insofar as so required.

2.5  The execution and delivery, of this Agreement, the Taxation Deed or the
     Marshalls Contracts or the performance by the Vendor or, as the case may
     be, the Vendor Guarantor of its obligations under this Agreement, the
     Marshalls Contracts or the Taxation Deed will not other than in respect of
     any Licence result in the maturation or acceleration of any material
     liability or material obligation of the Company or any of the Subsidiaries
     or give others the right to call for such a maturation or acceleration.

3    ACCOUNTS
     --------

3.1  The Accounts (i) comply in all material respects with applicable United
     Kingdom legal requirements; (ii) give a true and fair view of the state of
     affairs of the Group as at the Accounts Date and its loss for the year
     ended on that date; (iii) except as specifically disclosed therein have
     been prepared in accordance with the same accounting policies as the
     corresponding accounts incorporated within the consolidated accounts of the
     Marshalls Group for the preceding 3 financial years; (iv) have not been
     affected by any unusual, extraordinary, exceptional or non-recurring items
     other than those identified as such; and (v) have been prepared in
     accordance with UK GAAP.

3.2  The Management Accounts have been prepared on a prudent basis consistent
     with the Accounts, fairly present the results of the operations of the
     Company and the Subsidiaries and changes in financial position of the
     Company and the Subsidiaries for the period covered thereby and have not
     been affected by unusual, extraordinary, exceptional or non-recurring
     items.

3.3  All accounts, books, ledgers, financial and other records of the Group are
     in its possession and are properly maintained and fairly present in
     reasonable detail the assets, liabilities and transactions of the Company
     and the Subsidiaries.

3.4  No Group Company has factored or discounted any of its debts or engaged in
     financing of a type which would not require to be shown or reflected in the
     Accounts.

3.5  The published statutory financial statements of each Group Company (other
     than SGN (USA) and Saturn Global Network Services (Japan) Ltd) for the
     accounting reference period immediately preceding the period to which the
     Accounts relate give a true and fair view of the state of affairs of each
     such


                                       46


<PAGE>


     company respectively at the end of such period and of their respective
     profit or loss for such period.

3.6  Since the Account Date, there has not been any material change in any
     method of accounting by any Group Company.

4    SHARE CAPITAL
     -------------

4.1  There is no option, right to acquire, mortgage, charge, pledge, adverse
     claim, lien or other form of security or encumbrance (collectively,
     "Encumbrances") on, over or affecting the Sale Shares, there is no
     agreement or commitment to give or create any of the foregoing and no
     person has made any claim to be entitled to any of the foregoing.

4.2  All of the issued share capital set forth in each of schedule 1 and
     schedule 2 has been duly authorised, validly issued and is fully paid and,
     in the case of SGN (USA) only, non-assessable, and has at all times been
     beneficially owned by members of the Marshalls Group and has never been
     issued or sold in violation of any agreement binding upon any Group
     Company. The Vendor is entitled to sell and transfer or procure the sale
     and transfer of the full legal and beneficial ownership in the Sale Shares
     to the Purchaser on the terms set out in this Agreement.

4.3  No share or loan capital of any Group Company is now under option or is
     agreed or resolved conditionally or unconditionally to be created or issued
     or put under option and there are no securities convertible or exchangeable
     for any of the share capital of any Group Company.

4.4  Save as referred to in paragraph 4.6, no Group Company has or will at any
     time prior to Completion:

     (a)  purchased or redeemed or repaid or agreed to purchase, redeem or repay
          any share capital or securities convertible into share capital; or

     (b)  in respect of those Group Companies incorporated in England and Wales,
          given or agreed to give any financial assistance in connection with
          any such acquisition of share capital as would fall within sections
          151 to 158 (inclusive) CA 1985 and in respect of those Group Companies
          incorporated in any other jurisdiction been in breach of any
          equivalent law relating to financial assistance.

4.5  No Group Company has made any declaration, setting aside or payment of a
     dividend or other distribution in respect of any share capital of the
     Company or any of the Subsidiaries.

4.6  The Company complied with the provisions of sections 155 to 158 Companies
     Act 1985 with regard to the financial assistance given by the Company in
     connection with the purchase by the Vendor Guarantor of shares in M W
     Marshall & Company Limited.


                                       47


<PAGE>


5    INSURANCE
     ---------

5.1  Particulars of all insurance policies maintained by each Group Company and
     currently in force ("the Policies") are contained in the Disclosure Letter
     together with a schedule of claims prepared by the insurance brokers to the
     Group which details claims made by the Group under any insurance in the
     three years prior to the date hereof other than any claims for less than
     (pound)10,000 each in respect of private medical insurance.

5.2  All premiums due on the Policies have been paid. There is no default with
     respect to any provision contained in any such Policy, nor has there been
     any failure to give any notice or present any claim under any such Policy
     in a timely fashion or in the manner or detail required by any such Policy.
     The Disclosure Letter contains an accurate and complete description of any
     provision contained in such Policies which provide for retrospective or
     retroactive premium adjustments. No notice of cancellation or non-renewal
     with respect to, or disallowance of any claim under, any such Policy has
     been received by the Vendor, the Company or any of the Subsidiaries.
     Neither the Company nor any of the Subsidiaries has been refused any
     insurance, not has its coverage been limited by any insurance provider to
     which it has applied for insurance or with which it has carried insurance
     during the last five years.

5.3  No claim is outstanding either by the insurer or the insured under any of
     the Policies.

5.4  The Vendor is not aware of any circumstances which would or might entitle
     any Group Company to make a claim in excess of (pound)10,000 under any of
     the Policies.

6    TRANSACTIONS SINCE THE ACCOUNTS DATE
     ------------------------------------

6.1  Since the Accounts Date:

     (a)  each Group Company has entered into transactions and incurred
          liabilities in the ordinary course of day-to-day trading operations
          consistent with past practice and not otherwise;

     (b)  to the best of the knowledge, information and belief of the Vendor,
          the assets of the Group taken as a whole have not been depleted by any
          unlawful act on the part of any person;

     (c)  no Group Company has offered price reductions or discounts or
          allowances on sales of goods or services or provided them at less than
          cost or projected cost to an extent which may materially effect its
          profitability; and

     (d)  no loan or loan capital has been repaid by any Group Company in whole
          or in part or has become liable to be so repaid.

6.2  Since the Accounts Date there has not been:


                                       48


<PAGE>


     (a)  any material adverse change in the condition (financial or otherwise),
          assets, liabilities, net worth, earning power or business of the
          Company or any of the Subsidiaries;

     (b)  any making or authorisation of any capital expenditures in excess
          of(pound)20,000 per item of expenditure;

     (c)  any cancellation or waiver of any right material to the operation of
          the Company's or any of the Subsidiaries' business or any cancellation
          or waiver of any debts or claims of substantial value or any
          cancellation or waiver of any debts or claims against any Related
          Party (as such term is hereinafter defined);

     (d)  any payment, discharge or satisfaction of any liability or obligation
          (whether accrued, absolute, contingent or otherwise) by the Company or
          any of the Subsidiaries, other than the payment, discharge or
          satisfaction, in the ordinary course of business;

     (e)  any write-offs as uncollectable of any notes or accounts receivable of
          the Company or any of the Subsidiaries or write-downs of the value of
          any assets or inventory by the Company or any of the Subsidiaries
          other than in immaterial amounts or in the ordinary course of business
          consistent with past practice and at a rate no greater than during the
          twelve months ended on the Accounts Date;

     (f)  any payment, loan or advance of any amount to or in respect of, or the
          sale, transfer or lease of any properties or assets (whether real,
          personal or mixed, tangible or intangible) to, or entering into of any
          agreement, arrangement or transaction (other than with British
          Telecommunications plc or any of its subsidiaries regarding the
          provision of normal telephone services, local tails and nodal housing)
          with, any Related Party, except for (i) directors' fees; (ii)
          remuneration to the officers and employees of the Company or any of
          the Subsidiaries at rates not exceeding the rates of remuneration
          disclosed in the Disclosure Letter; (iii) payments made to, or
          agreements, arrangements or transactions regarding the provision of
          telecommunications services with, any Related Party in connection with
          services provided in the ordinary course of business and consistent
          with past practice to any member of the Group by any such Related
          Party or vice versa; (iv) loans made by members of the Marshalls Group
          to the Group for working capital purposes (as used herein, a "Related
          Party" means any of the officers, directors or shareholders (other
          than Hatori-Marshall Company Limited) of any member of the Marshalls
          Group or any affiliate of any member of the Marshalls Group;

7    FINANCIAL MATTERS
     -----------------

7.1  Save as disclosed in the Disclosure Letter, no Group Company:

     (a)  has outstanding any loan capital or indebtedness of any kind;


                                       49


<PAGE>


     (b)  has incurred or agreed to incur any borrowing which it has not repaid
          or satisfied;

     (c)  has lent or agreed to lend any money which has not been repaid to it;
          and

     (d)  is a party to or has any obligation under or is subject to :

          (i)  any loan agreement, debenture, acceptance credit facility, bill
               of exchange, promissory note, finance lease, hire purchase, debt
               or inventory financing, discounting or factoring arrangement or
               sale and lease back arrangement; or

          (ii) any Encumbrance; or

          (iii) any other arrangement the purpose of which is to raise money or
               provide finance or credit,

          other than in respect of obligations under finance leases, hire
          purchase, inventory financing or sale and lease back arrangements
          where individual monthly payments do not exceed (pound)500.

7.2  No event has been alleged which is or, with the passage of a time and/or
     the giving of any notice, certificate, declaration or demand, would become
     an event of default under, or a breach of any of, the terms of any loan
     capital, borrowing, debenture or financial facility of any Group Company or
     would entitle any third party to call for repayment prior to normal
     maturity.

7.3  No Group Company is a party to, or has any liability (including, without
     limitation, any prospective or contingent liability) under, any Guarantee.

7.4  Save for the indebtedness outstanding as at 31 July 1998, details of which
     are set out in the Disclosure Letter, as at 31 July 1998 there was no
     outstanding indebtedness on any account whatsoever owing by any Group
     Company to any member of the Marshalls Group or any affiliate of any member
     of the Marshalls Group or by any member of the Marshalls Group to any Group
     Company.

7.5  The Marshalls Group has not given any guarantee or indemnity or created any
     other like obligation or given comfort in support of any Group Company
     which remains outstanding.

7.6  All of the Group's trade accounts and notes receivable represent amounts
     receivable for merchandise actually delivered or services actually provided
     (or, in the case of non-trade accounts or notes, represent amounts
     receivable in respect of other bona fide business transactions), have
     arisen in the ordinary course of business and have been billed and are
     generally due within 30 days after such billing. The Vendor has no
     knowledge of any such receivables that are not fully collectible in the
     normal and ordinary course of business except to the extent of a reserve in
     an amount not in excess of the reserve for doubtful accounts reflected in
     the Accounts.


                                       50


<PAGE>


8    EMPLOYEES
     ---------

8.1  There is attached to the Disclosure Letter a schedule showing the following
     information in relation to each employee of each Group Company, namely:

     (a)  name;

     (b)  age;

     (c)  employing company;

     (d)  job description;

     (e)  emoluments (including any bonus or commission arrangements and any
          non-cash benefits);

     (f)  notice period required to be given by the relevant company and the
          employee;

     (g)  whether or not a member of the Group Company's or any Marshalls Group
          pension scheme;

     and such information is complete and correct, in the case of sub-paragraphs
     (a), (b), (d) and (f) in all material respects and, in the case of
     sub-paragraphs (c), (e) and (g), in all respects.

8.2  ((a)) Since the Accounts Date, no employee earning in excess
          of(pound)25,000 per annum has given notice terminating his contract of
          employment or is under notice of dismissal and no amount due to or in
          respect of any employee or former employee is in arrears and unpaid
          other than his salary for the month current at the date of this
          Agreement, any commissions payable in the ordinary course of business
          and in respect of the reimbursement of expenses. Since the Accounts
          Date no Group Company has received or been notified of any wage claim
          or any other claim for the improvement of, or amendment to, the terms
          or conditions of employment of any employees of the Company and the
          Subsidiaries.

     (b)  Since the Accounts Date, there has not been any increase in the
          salaries, benefits compensation payable or to become payable to, or
          any advance (excluding advances for ordinary business expense) or loan
          to or other payment (other than reimbursement of business expenses and
          season ticket loans) to any officer, director or employee of the
          Company or any of the Subsidiaries (except normal annual merit
          increases made in the ordinary course of business and consistent with
          past practice).

8.3 ((a)) No Group Company is involved in any dispute with or, so far as the
          Vendor is aware, is the subject of any complaint by, its current or
          former employees or any of them;


                                       51


<PAGE>


     (b)  no employee of the Company or any of the Subsidiaries is represented
          by any union or other employee organisation;

     (c)  there is no, nor has there been in the twelve months prior to the date
          of this Agreement, strike, dispute, slow down or stoppage actually
          pending or, so far as the Vendor is aware, threatened against or
          involving the Company or any of the Subsidiaries;

     (d)  no private agreement restricts the Company or any of the Subsidiaries
          from relocating, completing or terminating any of its operations or
          facilities; and

     (e)  neither the Company nor any of the Subsidiaries has in the past three
          years experienced any strike, work stoppage or other employee dispute.

8.4  Apart from the Pension Arrangements, no Group Company is under any
     liability to provide any pensions, lump sums or other like benefits in
     respect of retirement, ill-health or death.

8.5  The Disclosure Letter contains particulars of the Pension Arrangements
     which are complete and correct in all material respects.

8.6  A list of the employees of each Group Company who are covered by the
     Pension Arrangements, together with particulars of them necessary to
     establish their entitlement to benefits thereunder, is attached to the
     Disclosure Letter.

8.7 ((a)) There are no service or consultancy agreements or arrangements
          outstanding between any Group Company and any other person, in each
          case involving either (i) annualised payments in excess of
          (pound)25,000 or (ii) a notice period or termination period in excess
          of six months apart from those disclosed in the Disclosure Letter.

     (b)  Save as attached to the Disclosure Letter, there are no standard terms
          and conditions of employment of the Group.

8.8  No Group Company is bound or accustomed to make periodical or other
     payments (other than normal fixed salaries and wages) to employees,
     ex-employees, officers, consultants or others and no employee, officer or
     consultant has remuneration on a profit sharing or commission basis or by
     reference to the turnover, profits, sales or assets of any Group Company.

8.9  No Group Company has and has ever had any share option, share incentive,
     profit sharing or any other similar scheme.

8.10 No Group Company has any known reason to dismiss (nor does it wish to
     dismiss) any of its employees who is entitled to remuneration of at
     least(pound)25,000 per annum.

8.11 No order has been or may be made for the reinstatement or re-engagement of
     any employee or former employee of any Group Company.


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<PAGE>


8.12 So far as the Vendor is aware, no person who is or was a director or
     employee of any Group Company has any right to any compensation or other
     payment by reason of the termination of his employment (whether such
     termination constitutes unfair or wrongful dismissal, redundancy or
     otherwise) or any breach by such Group Company of his terms of engagement
     or employment.

9    THE BUSINESS
     ------------

9.1  The Disclosure Letter contains a schedule of, and the material terms of,
     every legally binding agreement or arrangement (collectively "the
     Agreements") to which any Group Company is a party at the date of this
     Agreement and which:

     (a)  currently (based on sales in June 1998 annualised) involves (together
          with any other agreements with such customer) annualised payments to
          any Group Company by a customer in excess of (pound)30,000;

     (b)  involved as at 18 June 1998 (together with any other agreements with
          such person) an aggregate annualised expenditure or payments to any
          one person by the Group in excess of (pound)250,000 other than in
          respect of capital expenditure in the ordinary course of business or
          telecommunications contracts relating to local tails or nodal housing
          agreements or facilities management agreements; or

     (c)  is a reseller agreement; or

     (d)  involves teaming arrangements for joint bidding; or

     (e)  concerns a joint venture entered into by any member of the Group; or

     (f)  is a power of attorney; or

     (g)  is a contract or option relating to the sale by the Company or the
          Subsidiaries of any asset, other than sales of inventory in the
          ordinary course of business; or

     (h)  is a lease agreement (whether real or personal property but excluding
          agreements relating to the purchase or supply of telecommunications
          bandwith) under which it is either lessor or lessee other than as
          provided under financing leases, hire purchase, inventory financing or
          sale and lease back arrangements where the individual monthly payments
          do not exceed (pound)500; or

     (i)  is a "take or pay" contract which involves annualised payments in
          excess of (pound)100,000; or

     (j)  is a contract which is material to the Business.

     Except as expressly disclosed in the Disclosure Letter with specific
     reference to this Warranty the Agreements are valid and in full force and
     effect and are binding and enforceable in accordance with their respective
     terms. All parties to


                                       53


<PAGE>


     the Agreements have complied in all material respects with the provisions
     thereof; no such party is in default of any material term thereof; and no
     event has occurred that with the passage of time or the giving of notice or
     both would constitute a default by any party under any material provision
     thereof.

9.2  The Company is not a party to any contract, obligation or arrangement
     which:

     (a)  is of an unusual or abnormal nature, or outside the ordinary course of
          trading; or

     (b)  gives any party an option to acquire or dispose of any asset or
          requires another person to do so.

9.3  No part of the Business has been adversely affected by the loss during the
     year ended on the Accounts Date or since that date of any important trade
     supplier or customer (being a customer or supplier which over any period of
     3 months or more during that year has accounted for 5 per cent. or more in
     value of the services supplied by, or services or products supplied to (as
     the case may be), the Group during that period) and no such customer or
     supplier has given notice to any Group Company, and the Vendor is not aware
     of, an intention to cease or reduce trading with such company.

9.4  There are not now outstanding any agreements or arrangements (whether by
     way of guarantee, indemnity, warranty, representation or otherwise) under
     which any Group Company is under a prospective or contingent liability in
     respect of any disposal of its assets or business or any substantial part
     thereof.

9.5  The Disclosure Letter contains a copy of all standard terms of business of
     the Group.

9.6  No Group Company has any unmatched open positions with respect to forward
     purchases and/or sales of any foreign currency and none of such open
     positions will involve any Group Company in a loss.

9.7  There is no offer or tender (or the like) given or made by any Group
     Company which is still outstanding and capable of giving rise to a contract
     merely by the unilateral act of any third party.

9.8  No Group Company is a party to, nor have its profits or financial position
     during the three years prior to the date hereof been affected by, any
     contract or arrangement which is not of an entirely arms-length nature made
     on open market terms.

9.9  No Group Company has applied for, or received, any grant, subsidy or
     financial assistance from, any government department or agency or any
     European Community, federal, local or other authority.

9.10 No Group Company has done (or omitted to do) any act or thing which could
     result in any investment grant, employment subsidy or other similar payment


                                       54


<PAGE>


     made (or due to be made) to it, becoming repayable, or being forfeited or
     withheld in whole or in part.

9.11 Save for agreements which limit disclosure of the existence or terms of
     such agreements or of any other information concerning the parties thereto
     and the transactions contemplated thereby, no Group Company is a party to
     any secrecy or confidentiality agreement or arrangement which may restrict
     the use or disclosure of material information relating to the Business nor
     has it given any covenants materially limiting or excluding its right to do
     business and/or complete in any area or field with any other person.

9.12 No Group Company is a party to any agreement, practice or arrangement which
     contravenes the provisions of the Resale Prices Act 1976 or the Fair
     Trading Act 1973 or which is subject to regulation, but has not been
     registered, under the Restrictive Trade Practices Act 1976 or which
     constitutes an anti-competitive practice under the Competition Act 1980 or
     contravene any of the provisions of Articles 85 or 86 of the Treaty of Rome
     or any other anti-trust or competition legislation.

9.13 No service provided to any Group Company has been discontinued as a result
     of any Group Company failing to pay its obligations when due and, as of the
     date hereof, no such service provider is currently threatening to
     discontinue any material service provided to the Group as a result of any
     Group Company failing to pay its obligations when due.

9.14 To the best of the knowledge, information and belief of the Vendor, no
     Group Company is in material breach of any of its obligations under any
     nodal housing agreements or facilities management agreements to which any
     such company is a party.

9.15 The Disclosure Letter sets forth the Group's policy on overriders and
     rebates.

10   INTELLECTUAL PROPERTY RIGHTS
     ----------------------------

10.1 Except for Intellectual Property Rights relating to the name "Saturn" or
     "Saturn Global Network" and any derivative names thereof or the letters
     "SGN" or the logos used by any member of the Group, or any Intellectual
     Property Rights which are licensed to it or has the right to use (other
     than licences relating to non custom built software or in respect of the
     right to use the Marshalls Group accounting system and its associated
     software), no Group Company uses Intellectual Property Rights in the
     operation of the Business. None of the material Confidential Information of
     either the Company or any of the Subsidiaries has been disclosed to any
     person (other than professional advisers and bankers) unless such
     disclosure was necessary, and was made pursuant to an appropriate
     confidentiality agreement.

10.2 No Group Company has received notice that it has infringed the Intellectual
     Property Rights of any other person and, to the best of the knowledge of
     the


                                       55


<PAGE>


     Vendor, the operation of the Business does not infringe the Intellectual
     Property Rights of any third party.

10.3 No Group Company has granted or is obliged to grant any licences under any
     Intellectual Property Rights owned by it or licensed to it or to furnish
     know-how to any person.

10.4 To the best of the knowledge, information and belief of the Vendor, there
     exists no actual or threatened infringement (including misuse of
     confidential information) or any event likely to constitute an infringement
     or breach by any third party of any of the Intellectual Property Rights
     held or used by the Group within the past three years.

10.5 No Group Company has disposed of or failed to maintain any Intellectual
     Property Rights.

11   LITIGATION
     ----------

11.1 No Group Company is engaged in any capacity, and no proceedings, notice,
     filing or summons has been received with respect to, any litigation, suit,
     investigation, arbitration, prosecution or other legal proceedings or in
     any proceedings or hearings before any court, tribunal or arbitrator or any
     statutory or Governmental body, department, board or other Agency and, to
     the best of the knowledge, information and belief of the Vendor, there are
     no such matters which would or might involve a claim or would result in
     damages in excess of (pound)10,000 pending or threatened.

11.2 There is no outstanding judgment, order, decree, arbitral award or decision
     of any court, tribunal, arbitrator or other Agency against any Group
     Company.

11.3 The Company is not a party to any subsisting undertaking given to any court
     or other Agency or third party arising out of any proceedings of the kind
     described in paragraph 11.1.

11.4 No Group Company has received notification that any investigation or
     enquiry is being or has been conducted by any governmental or other body in
     respect of its affairs and the Vendor is not aware of any circumstances
     which are likely to give rise to such investigation or enquiry.

12   INSOLVENCY
     ----------

12.1 No order has been made and no resolution has been passed for the winding up
     of any Group Company incorporated in England and Wales (a "UK Group
     Company") or for a provisional liquidator to be appointed in respect of any
     such company and no petition has been presented and no meeting has been
     convened for the purpose of winding up any such company.

12.2 No administration order has been made and no petition for such an order has
     been presented in respect of any UK Group Company.


                                       56


<PAGE>


12.3 No receiver (which expression shall include an administrative receiver) has
     been appointed in respect of any UK Group Company or in respect of all or
     any part of their respective assets.

12.4 No composition in satisfaction of the debts of any UK Group Company or
     scheme of arrangement of their respective affairs or compromise or
     arrangement between it and its creditors and/or members or any class of its
     creditors and/or members has been proposed, sanctioned or approved.

12.5 No UK Group Company is insolvent and has stopped payment and is not able to
     pay its debts (within the meaning of section 123 of the Insolvency Act
     1986).

12.6 No UK Group Company has, within the "relevant time" (as defined in section
     240 of the Insolvency Act 1986), entered into a transaction at an
     undervalue or given a preference (within the meaning of sections 238 and
     239 respectively of the Insolvency Act 1986).

12.7 No event analogous to any of the circumstances mentioned in any of the
     foregoing sub-paragraphs of this paragraph 12 has occurred in relation to
     any Group Company incorporated outside England and Wales. Notwithstanding
     disclosure in the Disclosure Letter, no Group Company will suffer any loss,
     liability or damage in respect of any event analogous to paragraph 12.6
     above.

13   ASSETS AND TITLE
     ----------------

13.1 The buildings, machinery, equipment, tools, furniture and other fixed
     assets of the Company and the Subsidiaries, including those reflected in
     the balance sheet included in the Accounts, are suitable for the purposes
     for which they are used in the businesses of the Company and the
     Subsidiaries. Except for (i) assets owned by members of the Marshalls Group
     and provided to the Group as described in the Disclosure Letter and (ii)
     assets for which a Group Company has the right to use that are not material
     to the Business, the assets owned by the Group together with any assets
     held under any hire or hire purchase rental or leasing agreement comprise
     all the assets necessary for the continuation of the Business as now
     carried on. Maintenance contracts are in full force and effect in respect
     of all telecommunications equipment of the Group which is of a kind which
     is normal or prudent to have maintained by independent or specialist
     contractors.

13.2 During the year preceding the date of this Agreement none of the services
     provided by any Group Company to a customer has suffered an outage which
     would give such customer a legal right to terminate the relevant contract
     under which that service is provided.

13.3 The Company and each of the Subsidiaries owns or has the right to use all
     of their properties and assets reflected in the balance sheet included in
     the Accounts.


                                       57


<PAGE>


14   RELATED PARTY TRANSACTIONS
     --------------------------

14.1 Except for the customer contracts with the Marshalls Group attached to the
     Disclosure Letter and the Marshalls Contracts and any agreements or
     arrangements with British Telecommunications plc or any of its subsidiaries
     regarding the provision of normal telephone services, local tails,
     facilities management agreements and nodal housing agreements, there are no
     contracts, arrangements, or transactions currently in effect between the
     Company or any of the Subsidiaries, on one hand, and any member of the
     Marshalls Group or any affiliate of the Marshalls Group or British
     Telecommunications plc or any of its subsidiaries on the other hand. Except
     as set forth in the Disclosure Letter, no member of the Marshalls Group (i)
     has any interest in any assets or property used in the Business, (ii) has
     any direct or indirect interest of any nature in any corporation or
     business which competes with, conducts any similar business to, has any
     arrangement or agreement with, or is involved in any other way with the
     Business, (iii) has any contractual or other claim of any kind whatsoever
     against the Company or the Subsidiaries. No member of the Marshalls Group
     has made any payments on behalf of or for the benefit of the Company or the
     Subsidiaries which are not reflected as expenses in the Accounts. No member
     of the Marshalls Group nor any representative of such Company has made any
     agreement or arrangement to make payments to any employee of the Company or
     the Subsidiaries contingent upon the execution of this Agreement or the
     consummation of the transactions contemplated hereby. No transactions
     pursuant to which any Group Company has acquired from any member of the
     Marshalls Group any shares in any other Group Company or any business or
     other assets were entered into at an undervalue and all such transactions
     were entered into bona fide and otherwise on arms-length commercial terms.

15   COMPLIANCE WITH LAWS, PERMITS AND LICENCES
     ------------------------------------------

15.1 The Disclosure Letter contains a copy of all material permits,
     certificates, licences, orders, registrations, franchises, authorisations
     and other approvals (collectively, "Permits") from all United Kingdom and
     national, federal, state, local and foreign governmental and regulatory
     bodies held by the Company or any of the Subsidiaries. All the Permits are
     in full force and effect and the Company and each of the Subsidiaries is in
     compliance with the terms and conditions thereof.

15.2 The Licences are in full force and effect and the Vendor has received no
     notice that any of such Licences are to be revoked or have been breached
     and, so far as the Vendor is aware (taking account of the conditions and
     laws subject to which each such Licence has been granted) (a) there are no
     circumstances which enable the licensing authority to reduce the same or
     materially and adversely alter the terms thereof; and (b) there are no
     circumstances indicating that they will not be renewed, in whole or in
     part, when due for renewal.

15.3 The Company and all of the Subsidiaries hold and are in compliance in all
     material respects with all Permits required under all laws, rules and
     regulations required in connection with the Business. The Company and all
     of the


                                       58


<PAGE>


     Subsidiaries have otherwise complied with all applicable statutes, rules,
     regulations and orders, federal, state, national and local (including
     without limitation those relating to environmental protection, occupational
     safety and health and equal employment practices) save where failure to so
     comply has not had, and will not reasonably be expected to have, a material
     adverse effect on the Business.

16   CARRIER PROVIDER FACILITIES
- --   ---------------------------

     The schedule attached to the Disclosure Letter with specific references to
     this Warranty sets out summary details of international bandwith supplied
     to the Group by third parties and the details so contained are true and
     correct in all material respects as at 18 June 1998.

17   COMPUTER EQUIPMENT AND SOFTWARE
     -------------------------------

17.1 Full details of the policy of the Group with regard to millennium
     compliance (namely the ability of hardware and software products used in
     the Business to accurately process data (including, but not limited to,
     calculating, comparing and sequencing) from, into and between the twentieth
     century (through year 1999), the year 2000 and the twenty-first century,
     including leap year calculation) is set out or attached to the Disclosure
     Letter, together with details of the actions taken by the Group to date in
     relation to such policy.

17.2 Each Group Company has taken proper precautions to preserve the
     availability, confidentiality and integrity of its computer systems.

17.3 All computer software (including all programs and data in such software)
     used by the Group is reliable and readable. All media on which such
     software is stored are in a suitable condition.

17.4 The Vendor is not aware of any case where unauthorised access or
     modification to the Group's computer system has taken place.

18   LIABILITY
     ---------

18.1 The Company and the Subsidiaries have no liability or obligation of any
     nature, whether due or to become due, absolute, contingent or otherwise,
     including liabilities for or in respect of Taxes, except for liabilities
     that are (a) fully reflected in the Accounts, or (b) specifically disclosed
     in the Disclosure Letter or (c) incurred in the ordinary and normal course
     of trading, since the Accounts Date.

18.2 As at 31 July 1998 the liability of the Group to El Camino (Leasing)
     Limited was(pound)206,910.02.


                                       59


<PAGE>


19   REAL PROPERTY
     -------------

     Except for the real property occupied under informal arrangements with the
     Marshalls Group the locations of which are disclosed in the Disclosure
     Letter (collectively, the "Marshalls Properties"), no Group Company owns,
     operates, leases or utilises any real property. Except for the payments set
     forth in the Disclosure Letter, no Group Company has any liability or
     obligation relating to the use or occupancy of the Marshalls Properties.

20   ENVIRONMENTAL
     -------------

     No Group Company conducts or has conducted any activities involving the use
     or handling of any hazardous or toxic substance, waste or material
     pollutant or contaminant, which activities are reasonably likely to result
     in liability or obligation under laws relating to environmental protection.

21   EMPLOYEE BENEFITS
     -----------------

21.1((a)) The Disclosure Letter lists all pensions, retirement, supplemental
          retirement, deferred compensation, excess benefit, profit sharing,
          bonus, incentive, stock purchase, stock ownership, stock option, stock
          appreciation right, employment, severance, salary continuation,
          termination, change-of-control, health, life, disability, group
          insurance, vacation, holiday and fringe benefit plan, program,
          contract of arrangement, maintained, contributed to, or required to be
          contributed to, by any of the Companies or any Subsidiary or under
          which any of the Companies or any Subsidiary may have liability,
          outside the United States (the "Non-US Benefit Plans").

     (b)  True and complete copies of the governing documents of each Non-US
          Benefit Plan including all amendments and modifications thereof
          together with all related trust agreements and insurance contracts
          together with all governmental filings made during the last three
          years are attached to the Disclosure Letter.

     (c)  Except as otherwise disclosed in the Disclosure Letter, each Non-US
          Benefit Plan has, so far as the Vendor is aware, been maintained,
          operated and administered in compliance in all material respects with
          its terms and with all applicable laws. All contributions and other
          payments required to be made by the Companies, or any Subsidiary to
          any Non-US Benefit Plan with respect to any period up to and including
          the Completion Date shall have been made or accrued and booked on or
          before the Completion Date. So far as the Vendor is aware, there are
          no pending audits or investigations by any governmental or
          quasi-government agency involving the Non-US Benefit Plans and no
          threatened or pending claims (except for individual claims for
          benefits payable in the normal operation of the Non-US Benefit Plan),
          suits or proceedings involving any Non-US Benefit Plan.


                                       60


<PAGE>


     (d)  The M W Marshall Retirement Savings Plan is approved by the Pension
          Schemes Office of the Inland Revenue as an exempt approved scheme
          under Chapter I Part XIV ICTA 1988 and, so far as the Vendor is aware,
          nothing has been done or omitted to be done which may result in the
          abovementioned scheme ceasing to be such an exempt approved scheme.

     (e)  No Group Company has given any undertakings or assurances to its
          officers, employees or consultants regarding the continuance,
          introduction or improvement of any retirement, death or disability
          benefits (whether or not there is any obligation to do so) or
          regarding the payment of contributions to Non-US Benefit Plans or any
          Benefit Plan (as defined below) (whether or not there is any
          obligation to do so).

     (f)  No Group Company has granted any ex gratia pension or other like
          payment to any of its past or present officers, employees, consultants
          or their dependants.

     (g)  Benefits from the Non-US Benefit Plans and the Benefit Plans (as
          defined below) are provided on a money-purchase basis and no members
          of the Non-US Benefit Plans or the Benefit Plans are entitled to or
          has been promised a defined amount or level of any benefit (other than
          a lump sum death benefit).

     (h)  All benefits under the Non-US Benefit Plans and Benefit Plans (as
          defined below) payable on death before normal retirement age are fully
          insured and, so far as the Vendor is aware, there has been no act or
          omission which would give grounds to such insurance company
          legitimately to refuse any claim made under such insurance.

     (i)  The Disclosure Letter lists each (i) "employee benefit plan", as
          defined in Section 3(3) of ERISA (including any "multiemployer plan"
          as defined in Section 3(37) of ERISA), (ii) all other pension,
          retirement, supplemental retirement, deferred compensation, excess
          benefit, profit sharing, bonus, incentive, stock purchase, stock
          ownership, stock option, stock appreciation right, severance, salary
          continuation, termination, change-of-control, health, life,
          disability, group insurance, vacation, holiday and fringe benefit
          plan, program, contract, or arrangement maintained, contributed to, or
          required to be contributed to, by the Group or any ERISA Affiliate for
          the benefit of any Employee, Former Employee, director or officer of
          the Group or under which the Group or any ERISA Affiliate has any
          liability with respect to any Employee, Former Employee, director or
          officer of the Group within the United States (the "Benefit Plans").

     (j)  As applicable with respect to each Benefit Plan, the Vendor has
          delivered to the Purchaser, true and complete copies of (i) the
          governing documents of each Benefit Plan, including all amendments
          thereto, and in the case of an unwritten Benefit Plan, a written
          description thereof, (ii) the current summary plan description and
          each summary of material


                                       61


<PAGE>


          modifications thereto, and (iii) the most recent Internal Revenue
          Service determination letter.

     (k)  Except as otherwise disclosed in the Disclosure Letter:

          (i)  so far as the Vendor is aware, each Benefit Plan has been
               maintained, operated and administered in compliance in all
               respects with its terms and all laws, including any related
               documents or agreements and the applicable provisions of ERISA
               and the Code;

          (ii) the Benefit Plans which are "employee pension benefit plans"
               within the meaning of Section 3(2) of ERISA and which are
               intended to meet the qualification requirements of Section 401(a)
               of the Code now meet, and at all times since their inception have
               met the requirements for such qualification, and the related
               trusts are now, and at all times since their inception have been,
               exempt from taxation under Section 501(a) of the Code;

          (iii) no Benefit Plan is now or at any time has been subject to Part
               3, Subtitle B of Title I of ERISA or Title IV of ERISA; no
               Benefit Plan is now or at any time has been a "multiemployer
               plan" within the meaning of Section 3(37) of ERISA;

          (iv) all contributions to, and payments from, any Benefit Plan which
               may have been required in accordance with the terms of such
               Benefit Plan or any related document, have been timely made;

          (v)  so far as the Vendor is aware, there are no pending audits or
               investigations by any governmental agency involving the Benefit
               Plans, and no threatened or pending claims (except for individual
               claims for benefits payable in the normal operation of the
               Benefit Plans), suits or proceedings involving any Benefit Plan,
               any fiduciary thereof or service provider thereto, nor to the
               best knowledge of the Vendor is there any reasonable basis for
               any such claim, suit or proceeding;

          (vi) any insurance premium under any insurance policy related to a
               Benefit Plan for any period up to and including the Completion
               Date shall have been paid, or accrued and booked on or before the
               Completion Date, and, with respect to any such insurance policy
               or premium payment obligation, so far as the Vendor is aware,
               neither the Group, any ERISA Affiliate nor the Purchaser shall be
               subject to a retrospective rate adjustment, loss sharing
               arrangement or other actual or contingent liability; and

          (vii) no Benefit Plan provides benefits, including, without
               limitation, death or medical benefits, beyond termination of
               service or retirement other than (A) coverage mandated by law or
               (B) death


                                       62


<PAGE>


               or retirement benefits under a Benefit Plan qualified under
               Section 401(a) of the Code. Neither the Group nor any ERISA
               Affiliate has made a written or oral representation to any
               current or former employee promising or guaranteeing any employer
               paid continuation of medical, dental, life or disability coverage
               for any period of time beyond retirement or termination of
               employment.

22   USA
     ---

22.1 As of the date of its most recent regularly prepared balance sheet, the
     Group did not have assets located in the United States having an aggregate
     book value of 15 million US dollars or more.

22.2 For the Group's most recently completed fiscal year, the Group had less
     than 25 million US dollars in sales in or into the United States.

22.3 The portion of the Purchase Price allocable by the Vendor to the shares of
     Saturn Global Network Services (USA) Inc. is less than 15 million US
     dollars.

23   DATA PROTECTION ACT
     -------------------

     No member of the Group is required to be registered pursuant to the Data
     Protection Act 1985.

24   DEBTORS AND PAYABLES
     --------------------

     The Schedules attached to the Disclosure Letter with reference to this
     Warranty sets forth a true and accurate copy of, respectively, the ageing
     of the accounts receivable as of 30 June 1998 and the ageing of the
     accounts payable as of 30 June 1998.


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<PAGE>


                      PART B - TAXATION AND SOCIAL SECURITY
                      -------------------------------------


TAXATION
- --------

1    All accounts, computations, notices and returns (including amended returns)
     which ought to have been made by or in respect of any one or more of the
     Company and the Subsidiaries for any Taxation purposes have been duly made;
     are up to date, correct in all material respects and have been made on a
     proper and punctual basis; and there is no dispute or investigation nor is
     the Vendor aware of any pending dispute or investigation by any tax
     authority in respect of any information contained in any one or more of the
     Company's and the Subsidiaries' returns.

2    All Taxation for which any one or more of the Company and the Subsidiaries
     are liable and which ought to have been paid (including deductions from
     payments made by the Company and the Subsidiaries) has been duly and
     punctually paid, including all income tax and national insurance
     contributions deductible and payable under the PAYE system.

3    The Company and Saturn Global Network Services (UK) Limited are and have at
     all times been resident in the United Kingdom for Taxation purposes and are
     not and have not been treated as a resident in any other jurisdiction for
     any Taxation purposes (including any double taxation agreement ) and have
     never carried on any trade, business or other activities outside the United
     Kingdom other than the export of goods and/or services in the ordinary and
     normal course of business.

4    The Company and Saturn Global Network Services (UK) Limited are taxable
     persons for the purposes of the VATA 1994 and have not applied to HM
     Customs and Excise under section 43 VATA 1994 to be treated as a group for
     VAT purposes; have complied with the VAT legislation; and have not made
     (and do not make) exempt supplies for VAT purposes.

5    All documents in possession of the Company or any one of the Subsidiaries
     or to the production of which any one or more of the Company and the
     Subsidiaries are entitled and which attract UK stamp or transfer duty (or
     its equivalent in any foreign jurisdiction) have been stamped and so far as
     the Vendor is aware neither the Company or any one of the Subsidiaries has
     any outstanding liability to stamp duty reserve tax.

6    None of the Company or the Subsidiaries have at any time entered into any
     arrangement, the whole or main purpose of which was the avoidance of
     Taxation.

7    No transactions have been undertaken which require and have not received
     specific Treasury consent under sections 765 or 765A ICTA 1988.

8    No Taxation Authority has agreed to operate any special arrangement (being
     an arrangement which is not based on a strict and detailed application of
     the


                                       64


<PAGE>


     relevant legislation whether expressly provided for in the relevant
     legislation or operated by way of extra-statutory concession or otherwise)
     in relation to the Company or any of the Subsidiaries, being an arrangement
     which is in operation as at the date of this Agreement.

9    The Taxation computations for all accounting periods of the Company and of
     the Subsidiaries ended on or before 30 April 1998 have been agreed with the
     relevant tax authority.

10   Neither the Company nor any of the Subsidiaries has directly or indirectly
     paid any remuneration, emoluments or compensation for loss of office or
     made any gratuitous payment or transferred any assets to any of its present
     or former directors or employees, the cost of which will not be deductible
     for Taxation purposes.

11   No transactions or arrangements involving the Company or any of the
     Subsidiaries have taken place or are in existence such that any Taxation
     Authority has challenged or raised questions about the pricing arrangements
     operated by the Company or any of the Subsidiaries or any company which has
     at any time been a member of the same group of companies or such that the
     provisions of section 770 ICTA 1988 could be or have been applied.

12   The Company has not had any interest in a controlled foreign company as
     defined in Chapter IV Part XVII ICTA 1988.

13   The Company and each of the Subsidiaries have sufficient information
     contained in their records to calculate any chargeable gain or allowable
     loss which may arise as the result of the disposal of assets owned by the
     Company or each such Subsidiary at the Accounts Date.

14   Since the Accounts Date no asset has been acquired otherwise than by way of
     a bargain made at arm's length and for a consideration equal to its market
     value.

15   The Group has not effected or been a party to any demerger such as is
     mentioned in sections 213 to 218 ICTA 1988.

16   Neither the Company nor any of the Subsidiaries has been a party to any
     deprecatory transactions within the meaning of sections 176 and 177 TCGA
     1992.

17   The Company and each of the Subsidiaries have sufficient information
     contained in their records to calculate any balancing charge or balancing
     allowance which may arise under the provisions of the Capital Allowances
     Act 1990 in respect of any buildings or assets qualifying for capital
     allowances.

18   Neither the Company nor any of the Subsidiaries has ceased to be a member
     of a group of companies for the purposes of section 178 and 179 TCGA 1992
     and will not cease to be a member of such a group as a result of
     Completion.


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<PAGE>


19   Neither the Company nor any of the Subsidiaries has at any time within the
     period of six years ending at the date of this agreement acquired any
     assets other than trading stock from any company which, at the time of the
     acquisition, was a member of the same group of companies.

20   The Disclosure Letter sets out full details of any surrender or agreement
     to surrender, or acceptance or agreement to accept the surrender, by the
     Company or by any of the Subsidiaries of any amount by way of group relief
     under the provisions of sections 402, 403 and 407 to 413 ICTA 1988.

21   All claims for group relief made by the Company or by any of the
     Subsidiaries were valid and have been allowed by way of relief from
     corporation tax and neither the Company nor any of the Subsidiaries is or
     will become liable to make any payment for an amount surrendered by any
     other company, or any repayment in respect of any amount surrendered to any
     other company, under or in connection with the provisions of section 402
     ICTA 1988.

22   Neither the Company nor any of the Subsidiaries is or has at any time been
     party to any arrangement falling within section 410 ICTA 1988 and the
     provisions of section 413 and Schedule 18 to ICTA 1988 do not apply.

23   Neither the Company nor any of the Subsidiaries has made or purported to
     make any election under section 247 ICTA 1988.

24   Neither the Company nor any of the Subsidiaries has made or received or
     purported to make or receive any surrender of the benefit of advance
     corporation tax under section 240 ICTA 1988.

25   Neither the Company nor any of the Subsidiaries is liable to be assessed to
     any Taxation under the provisions of section 190 TCGA 1992 in respect of
     any chargeable gain realised prior to the date of this agreement by any
     company other than a member of the Group.

26   Neither the Company nor any of the Subsidiaries has ever been a member of
     any group of companies for any Taxation purpose other than of the Group.

27   No event or series of events has occurred which might cause the
     disallowance of the carry forward of losses or excess charges or such that
     any sections 245, 245A, 245B, 343 or 768 ICTA 1988 have applied or could
     apply.

28   The Company will be entitled in respect of any qualifying distribution made
     by it to a full set off of its corresponding payment of ACT under section
     239(1) Taxes Act or in so far as there is no set off under section 239(1)
     or in so far as any set off is restricted under section 239(3).

29   Neither the Company nor any of the Subsidiaries is (or would, if resident
     in the United Kingdom for Taxation purposes, be) a close company within
     section 414 ICTA 1988.

30   Since the Accounts Date:


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<PAGE>


30.1 Neither the Company nor any of the Subsidiaries has made or received any
     distributions for any Taxation purposes:

30.2 Neither the Company nor any of the Subsidiaries has surrendered or claimed
     any advance corporation tax under Chapter V Part VI ICTA 1988 or any losses
     by way of group relief under Chapter IV Part X ICTA 1988.

31   In relation to VAT the Company and Saturn Global Network Services (UK)
     Limited have made all necessary returns within the prescribed time limits,
     provided all necessary information and documents to HM Customs and Excise,
     paid all amounts due to the proper person and at all times kept and
     preserved complete correct and up-to-date records, invoices and other
     documents required for the purposes of VAT and are not liable and will not
     (in respect of anything done before Completion be liable to any interest,
     penalty or surcharge in respect of VAT) and have not been required by HM
     Customs and Excise to give security under paragraph 4 of schedule 11 to the
     VATA 1994.

32   All VAT payable upon the importation of goods and all duties of customs and
     excise payable in respect of any assets (including trading stock) imported
     or owned by the Company or Saturn Global Network Services (UK) Limited have
     been paid in full.

33   No act or transaction has been effected in consequence whereof the Company
     is or may be held liable for any VAT calculated by reference to the supply
     of goods and services by any other company.

34   The business of the Company has been conducted in such a manner that the
     Commissioners could not issue a direction under paragraph 2 of Schedule 1
     VATA 1994.

35   The Company and Saturn Global Network Services (UK) Limited are not and
     have not agreed to become an agent, manager or factor for the purposes of
     sections 47 or 48 VATA 1994 of any person who is not resident in the United
     Kingdom.

36   The Disclosure Letter contains full particulars of any election under
     paragraph 2 Schedule 10 VATA 1994 to waive exemption from VAT in relation
     to any land made by the Company or by any member or former member of any
     group of companies of which the Company is or was registered for VAT
     purposes and any agreement or other arrangement to which the Company is a
     party whereby the Company has agreed not to waive exemption from VAT
     pursuant to paragraph 2 Schedule 10 VATA 1994 in relation to any land.

37   The Disclosure Letter contains full details of all share schemes (including
     those approved by the Inland Revenue and unapproved schemes) and of any
     profit related pay schemes (including a copy of the rules thereof) which
     the Company or any of the Subsidiaries operates or has operated or in which
     its employees are or have been entitled to participate, together with
     copies of any approvals issued by the Inland Revenue in respect of such
     schemes, and nothing has been done to


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<PAGE>


     prejudice the approved status of any such schemes which have at all times
     been operated in accordance with any rules governing the scheme and
     relevant Taxation legislation.

38   No transaction or event has occurred in consequence of which the Company or
     any of the Subsidiaries is or may be held liable for any Taxation or
     deprived of reliefs or allowances otherwise available to it or may be
     otherwise held liable for any Taxation for which some other company or
     person was primarily liable (whether by reason of any such other company
     being or having been a member of the same group of companies or otherwise).

39   The Company and the Subsidiaries have complied with all statutory
     provisions, rules, regulations, orders and directions and made all
     necessary returns in relation to the collection and payment of customs
     duties, excise duties and other charges having an equivalent effect and has
     provided all necessary information and documentation and paid all amounts
     due to HM Customs and Excise in relation to such charges within the
     prescribed time limits.

40   In relation to the Company, the Disclosure Letter gives full details of all
     determinations made under section 41A Taxes Management Act 1970 ("TMA"),
     all directions reducing any amounts so determined pursuant to section 41B
     TMA, all assessments to Taxation made by any tax authority and any
     determinations under section 41A TMA and directions under section 41B TMA
     which are subject to appeal or have not otherwise become final at the date
     of this Agreement, and all payments of Taxation and claims for repayment of
     Taxation made in respect of any period for which no assessment to Taxation
     has been issued or become final.

41   Neither the Company nor any of the Subsidiaries is required to pay Taxation
     levied, imposed or collected by any jurisdiction other than that in which
     it is incorporated.

42   US Taxation

42.1 Saturn Global Network Services (USA), Inc. ("SGN Inc.") has duly filed, or
     has had filed on its behalf, all Returns required to be filed by it, and
     each such Return is true, complete and accurate in all respects. For the
     purposes of this paragraph 42 of Part B of Schedule 4, "Return" means any
     return, declaration, report, statement, computation or other document
     required to be filed with a Taxation Authority (defined for the purposes of
     this paragraph 42 as defined in the Taxation Deed) or provided to any
     person in respect of Taxation.

42.2 SGN Inc. has paid, or has had paid on its behalf, all Taxation shown to
     have become due pursuant to its Returns, and has paid, or has had paid on
     its behalf, all other Taxation which has otherwise become due and payable.

42.3 SGN Inc. has adequately provided for, in its books of account and related
     records, liability for all current Taxation which is not yet due and
     payable.


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<PAGE>


42.4  No Taxation Authority has made any written claim or issued any deficiency
      notice against SGN Inc. with respect to Taxation, and there is no action,
      suit or proceeding currently pending regarding Taxation with respect to
      SGN Inc.

42.5  No Return of SGN Inc. is being examined by, and no notification of
      intention to examine such a Return has been received from, any Taxation
      Authority.

42.6  No issue raised in writing by any Taxation Authority in connection with
      any Return with respect to Taxation of SGN Inc. is currently pending.

42.7  No presently effective waiver or extension of any statute of limitation
      with respect to Taxation has been given by or requested from SGN Inc.

42.8  SGN Inc. has not filed, nor has it had filed on its behalf, any consent
      agreement under Section 341(f) of the Internal Revenue Code of 1986 (as
      amended) of the United States of America ("IRC").

42.9  SGN Inc. has satisfied all federal, state, local and foreign withholding
      requirements with respect to Taxation.

42.10 There is no ruling issued to SGN Inc., or closing agreement or gain
      recognition agreement to which SGN Inc. is a party, concerning Taxation
      from (or with) any Taxation Authority which will have any continuing
      effect on SGN Inc., after the Completion Date.

42.11 Except for this Agreement and the Taxation Deed, there is no agreement
      with any person or entity pursuant to which SGN Inc. would have any
      obligation after Completion in respect of Taxation due before Completion.

42.12 SGN Inc. does not have an interest in any entity that is treated as a
      partnership for federal income tax purposes.

42.13 SGN Inc. is a United States person within the meaning of Section
      7701(a)(30) of the IRC.

42.14 SGN Inc. has not agreed to, nor is it required, to make an adjustment
      under Section 481 of the IRC (or a comparable provision of state, local or
      foreign tax law) by reason of a change of accounting method.

42.15 There is no lien or security interest in favour of any Taxation Authority
      on any of the assets of SGN Inc. that has arisen in connection with any
      failure (or alleged failure) to pay Taxation.

42.16 SGN Inc. has not made any payment, is not obliged to make any payment, and
      is not a party to any agreement that could oblige it to make any payment
      that would not be deductible under Section 280G of the IRC.

42.17 SGN Inc. never has been a member of an affiliated group filing a
      consolidated federal income tax return.


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<PAGE>


42.18 SGN Inc. is not a successor to any other business entity as a result of a
      merger, reorganisation, liquidation or similar transaction.

42.19 No asset of SGN Inc. (i) is property that is required to be treated as
      owned by another person pursuant to the "safe harbor lease" provisions of
      former Section 168(f)(8) of the IRC, (ii) is "tax-exempt use property"
      within the meaning of Section 168(h) of the IRC; or (iii) directly or
      indirectly secures any debt, interest on which is tax-exempt under Section
      103(a) of the IRC.

42.20 SGN Inc. has never been a United States real property holding corporation
      within the meaning of Section 897 of the IRC.




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<PAGE>


                                   SCHEDULE 5
                                   ----------

                   Provisions for the protection of the Vendor
                   -------------------------------------------



1    REMEDIES
     --------

1.1  A breach by the Vendor of any of the terms of this Agreement (including the
     Warranties) save for a breach of clauses 3.2 and 3.3 shall, subject to the
     provisions of clauses 2.5 and 5.2, give rise only to an action by the
     Purchaser for damages and shall not entitle the Purchaser to rescind or
     repudiate this Agreement.

1.2  Where the matter or default giving rise to a breach of any Warranty is
     capable of remedy, the breach shall not entitle the Purchaser to damages or
     other compensation unless written notice of the breach is given to the
     Vendor and the matter or default is not remedied to the reasonable
     satisfaction of the Purchaser within 30 days after the date on which such
     notice is served.

2    Parties to claims
     -----------------

2.1  Subject to the provisions of clause 17.2, the Warranties and the
     undertakings and indemnities given by the Vendor under this Agreement and
     the Taxation Deed shall be actionable only by the Purchaser and no party
     other than the Purchaser shall be entitled to make any claim or take any
     action whatsoever against the Vendor under this Agreement or the Taxation
     Deed under or arising out of or in connection with the Warranties or those
     undertakings or indemnities.

3    Exclusion of certain claims
     ---------------------------

3.1  No claim shall be made by the Purchaser against the Vendor and the Vendor
     shall not have any liability to the Purchaser under this Agreement
     (including the Warranties):

     (a)  in respect of any matter which is fully and fairly disclosed in, or
          deemed to be disclosed by, the Disclosure Letter, and for this purpose
          all documents attached to the Disclosure Letter shall be deemed to be
          disclosed thereby but there shall be no deemed disclosure of any
          document unless such document is so attached provided that nothing in
          the Disclosure Letter shall apply to any of the covenants,
          undertakings or obligations given by the Vendor or the Vendor
          Guarantor in this Agreement; or

     (b)  in respect of any liability or other matter or thing if that
          liability, matter or thing would not have arisen or occurred but for
          an act, omission or transaction done, made or carried out:

          (i)  before Completion by any of the Group Companies or any of their
               respective directors, employees or agents on the decision or


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<PAGE>


               at the written request of the Purchaser, save in respect of any
               action necessary to comply with any law, order, regulation or
               requirement of any Taxation authority, binding on the Group on or
               before Completion; or

          (ii) after Completion by the Purchaser or any of the Group Companies
               or any of their respective directors, employees or agents
               otherwise than as required by law or pursuant to a legally
               binding commitment of that Group Company created on or before
               Completion or otherwise than in the ordinary course of business
               as carried on immediately before Completion; or

     (c)  in respect of any matter resulting from a change in the accounting or
          Taxation policies or practices of the Purchaser or any related company
          of the Purchaser or any Group Company (including the method of
          submitting taxation returns) introduced or having effect after
          Completion; or

     (d)  in respect of any liability or other matter or thing to the extent
          that it occurs as a result of or is otherwise attributable to:

          (i)  any legislation not in force at the date hereof or any change of
               law or published administrative practice having retrospective
               effect which comes into force after the date hereof; or

          (ii) any increase hereafter in the rates of Taxation in force at the
               date hereof; or

          (iii) the Purchaser or any Group Company disclaiming any part of the
               benefit of capital or other allowances against Taxation claimed
               or proposed to be claimed on or before the date hereof where
               details of such claim are contained in documents 1 and 41 of
               Additional Volume 1 and documents 35 and 41 of Additional Volume
               2 of the Data Room Bundle (as such term is defined in the
               Disclosure Letter) with reference to this paragraph; or

     (e)  in respect of a liability which is contingent only unless and until
          such contingent liability becomes an actual liability and is due and
          payable, but this paragraph 3.1(e) shall not operate to avoid a claim
          made with reasonable particularity in respect of a contingent
          liability within the applicable time limits specified in paragraph 6;

     and the Warranties shall be deemed to be qualified accordingly.

4    ALLOWANCES AGAINST CLAIMS
     -------------------------

4.1  The Vendor shall not be liable under this Agreement in respect of any claim
     if and to the extent that:


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<PAGE>


     (a)  allowance, provision or reserve is made in the Accounts specifically
          in respect of the particular matter or particular thing giving rise to
          the claim; or

     (b)  the loss in respect of which the claim is made is recovered under a
          policy of insurance in force on the date of such loss; provided that
          any costs and expenses incurred by the Purchaser in making such
          recovery (including, without limitation, legal fees, accountants fees
          and loss assessors fees) and the amount of any increase in insurance
          premiums resulting from making a claim or claims against the insurers,
          shall be deducted from the sum recovered under the policy of insurance
          for the purposes of determining the extent to which such loss is
          recovered.

4.2 ((a)) Where any Group Company or the Purchaser is or becomes entitled to
          recover from any third party (including any fiscal or Taxation
          authority or body) any sum in respect of any loss, damage or liability
          which is or may be the subject of a claim against the Vendor under
          this Agreement, the Purchaser shall, if so required by the Vendor and
          subject to paragraph 4.2(b), take or procure the relevant Group
          Company to take all such steps or proceedings as the Vendor may
          reasonably require to enforce such recovery; provided always that
          neither the Purchaser nor any Group Company shall be obliged to take
          any steps which in the reasonable opinion of the Purchaser is likely
          to have a material adverse effect upon the Group's business.

     (b)  All such steps or proceedings shall be taken at the Vendor's cost and
          expense and the Purchaser shall not be under any obligation to take
          them or procure them to be taken unless the Vendor shall have provided
          an indemnity to the reasonable satisfaction of the Purchaser in
          respect of all losses, liabilities, damages, claims, costs and
          expenses thereby incurred.

     (c)  The Purchaser shall procure that the Vendor is provided as soon as
          reasonably practicable with all such information and reports
          concerning any such steps or proceedings taken by the Purchaser or the
          relevant Group Company as the Vendor may from time to time reasonably
          request.

     (d)  If any such sum as is referred to in paragraph 4.2(a) shall be
          recovered by the Purchaser or any Group Company from the third party,
          any claim by the Purchaser or any Group Company in respect of any
          loss, damage or liability to which the sum relates shall be limited
          (without prejudice to any other limitations on the liability of the
          Vendor referred to in this schedule) to the amount (if any) by which
          the amount of such loss, damage or liability exceeds the aggregate of:

          (i)  the sum recovered less all costs, charges and expenses incurred
               by the Purchaser or any Group Company (as the case may be) in
               recovering that sum from the third party and any Taxation


                                       73


<PAGE>


               payable by the Purchaser or any Group Company on that sum; and

          (ii) any sum or sums previously paid by the Vendor to the Purchaser or
               any Group Company in respect of such Taxation or other loss,
               damage or liability.

4.3  If the Vendor shall have made any payment in respect of a claim under the
     Warranties and any Group Company shall receive a benefit or refund which
     the Vendor can demonstrate was specifically related to such claim and not
     taken into account in computing the liability of the Vendor in respect of
     the claim and would have reduced the liability had this been so, the
     Purchaser shall forthwith repay to the Vendor a sum corresponding to such
     benefit or refund as the case may be.

5    THIRD PARTY CLAIMS
     ------------------

5.1  The Vendor shall be entitled to require the Purchaser (in the name of any
     Group Company if the Vendor so requests) or any Group Company at the
     expense of the Vendor to take all such reasonable steps or proceedings as
     the Vendor may consider necessary in order to avoid, dispute, resist,
     mitigate, compromise, defend or appeal against any relevant third party
     claim (that is to say any claim by a third party against any Group Company
     which will or may give rise to a claim under the Warranties)

     provided that:

     (a)  the Vendor agrees in writing to be solely obligated to satisfy and
          discharge such claim and to properly indemnify the Purchaser and/or
          the relevant Group Company against all damages, losses, claims,
          liabilities, costs and expenses suffered or incurred in connection
          with the taking of such steps or proceedings;

     (b)  the defence, comprise or settlement of such claim will not in the
          reasonable judgement of the Purchaser have any continuing material
          adverse affect on the business of the Purchaser and/or the relevant
          Group Company; and

     (c)  the Vendor provides the Purchaser with reasonable evidence of the
          ability of the Vendor to satisfy the full amount of any adverse
          monetary judgement that may result,

     (collectively the "Litigation Conditions"). In the event that the
     Litigation Conditions cease to be satisfied, the Vendor's right to require
     the Purchaser or any Group Company to take all such steps or procedures
     shall terminate until such Litigation Conditions are satisfied.

5.2  The Purchaser shall act or shall procure that the relevant Group Company
     shall act in accordance with any such requirements subject to the Purchaser
     and/or the


                                       74


<PAGE>


     Group Company being properly indemnified by the Vendor to the reasonable
     satisfaction of the Purchaser against all reasonable costs and expenses
     incurred in connection with the taking of such steps or proceedings.

5.3  For the purpose of enabling the Vendor to avoid, dispute, resist, mitigate,
     compromise, defend or appeal against any relevant third party claim or to
     decide what steps or proceedings should be taken in order to do so in
     accordance with paragraph 5.1 and subject to satisfaction of the Litigation
     Conditions, the Purchaser shall:

     (a)  give notice to the Vendor within 14 days of any relevant third party
          claim or any circumstance giving or likely to give rise to a relevant
          third party claim coming to its notice or to the notice of any Group
          Company;

     (b)  give the Vendor or its duly authorised representatives reasonable
          access to the personnel of the Purchaser and/or the relevant Group
          Company (as the case may be) and to any premises, chattels, accounts,
          documents and records which are relevant to such claim and are within
          the power, possession or control of the Purchaser and/or the relevant
          Group Company ("relevant assets") to enable the Vendor and its duly
          authorised representatives to investigate the claim and to examine and
          take copies or photographs of the relevant assets at their own
          expense; and

     (c)  if the Vendor so requests within 30 days of the receipt from the
          Purchaser of notice of a third party claim, delegate entirely to it
          the conduct of any proceedings of whatsoever nature arising in
          connection with the third party claim and, in that event, give or
          cause to be given to the Vendor all such assistance as they may
          reasonably require in disputing the claim and instruct such solicitors
          or other professional advisers as the Vendor may nominate to act in
          accordance with the Vendor's instructions on their behalf or on behalf
          of the relevant Group Company.

5.4  The Vendor shall reimburse to the Purchaser or the relevant Group Company
     (as the case may be) all reasonable costs, charges and expenses incurred by
     it in complying with its obligations under paragraphs 5.1 to 5.3 inclusive.

5.5  The Vendor, if it shall have assumed the conduct of any proceedings arising
     in connection with a third party claim pursuant to paragraph 5.3(c), shall
     not consent to a compromise or settlement of or the entry of any judgement
     arising from any such third party claim without the prior written consent
     of the Purchaser (such consent not to be unreasonably withheld or delayed)
     if such compromise or settlement (i) commits the Purchaser or any Group
     Company to take or to forbear to take any action (ii) does not provide for
     a complete release by such third party of the Purchaser and the Group
     Companies or (iii) includes any statement as to or in admission of fault,
     wrong doing, guilt, culpability, liability or failure to act by or on
     behalf of the Purchaser or the relevant Group Company and, the Purchaser
     shall not (and shall procure that the relevant Group Company shall not)
     accept or pay or compromise in respect of any such third


                                       75


<PAGE>


     party claim. If the Vendor does not assume the conduct of any proceedings
     arising in connection with a third party claim, the Purchaser or, as the
     case may be, the relevant Group Company shall have the right to defend such
     a third party claim with solicitors of its choice and to settle any third
     party claim.

6    TIME LIMITS
     -----------

6.1  No claim shall be brought by the Purchaser or any Group Company for breach
     of the Warranties or any other term of this Agreement, other than in
     respect of the covenants given by the Vendor or the Vendor Guarantor in the
     Agreement save for those covenants set out in clauses 2.3, 2.6, 2.7, 2.8,
     5.1, 6.1, 6.2, 8.7 and 21, or under the Taxation Deed unless notice in
     writing of such claim (specifying in reasonable detail with supporting
     evidence the event, matter or default which gives rise to the claim and an
     estimate of the amount claimed) has been given to the Vendor:

     (a)  in the case of a claim under the Taxation Deed or under any of the
          Taxation Warranties, within 7 years after Completion; or

     (b)  in any other case, within two years after Completion

     provided that the provisions of paragraph 6.1(b) shall not apply:

     (i)  in the case of fraud or wilful non-disclosure by the Vendor of a
          matter which would otherwise represent a breach of a representation or
          Warranty; and

     (ii) in the case of a claim made pursuant to the provisions of the Warranty
          set out in paragraphs 1.1, 1.2, 4.1, 4.3 and 22 and the second
          sentence of paragraph 4.2 of schedule 4.

6.2 ((a)) Any such claim (other than a claim made under the Taxation Deed) that
          may have been made shall (if it has not been previously satisfied,
          settled or withdrawn) be deemed to have been waived or withdrawn on
          the expiration of 365 Relevant Days after the date it was made unless
          court proceedings in respect of it shall then have been commenced
          against the appropriate parties. For the purposes of the foregoing,
          "Relevant Day" shall mean a day which is (i) a day on which the
          aggregate amount of all successful claims and pending claims exceeds
          the cumulative threshold, or (ii) a day after the second anniversary
          of the Completion Date.

     (b)  For the purposes of paragraph 6.2(a) court proceedings shall not be
          deemed to have been commenced unless they have been both issued and
          served on the appropriate parties.

7   THRESHOLDS
    ----------

     7.1  For the purposes of paragraphs 7.2 and 7.3:


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<PAGE>


     (a)  a claim together with any Related Claims (as hereinafter defined)
          shall be regarded as material if the amount of the claim and any
          Related Claims exceeds the individual threshold. For the purposes of
          this paragraph "Related Claims" shall mean all claims arising out of
          or relating to the same events, acts, omissions, transactions,
          defaults, liabilities, circumstances or facts as the claim provided
          that for these purposes no cost, damage, expense, loss or liability in
          respect of which a claim or claims are made shall be counted more than
          once;

     (b)  the amount of a claim shall be taken to be the liability which the
          Vendor would have in respect of it in the absence of any exclusions or
          restrictions under those paragraphs but taking account of all
          exclusions and restrictions of liability and allowances and set-offs
          provided for and all repayments made under the preceding provisions of
          this schedule 5; and

     (c)  "the individual threshold" means(pound)75,000 and "the cumulative
          threshold" means(pound)600,000.

7.2  The Vendor shall not have any liability in respect of any claim made under
     or in respect of any of the terms of this Agreement other than, in respect
     of the covenants, obligations and undertakings given by the Vendor or the
     Vendor Guarantor in the Agreement, unless (a) the amount of the claim
     (together with any applicable Related Claims) is material; and (b) the
     amount of that claim (together with any applicable Related Claims) when
     added to the aggregate amount of all other material claims (together with
     any applicable Related Claims) exceeds the cumulative threshold.

7.3  Notwithstanding that as regards any claim or claims the conditions in
     sub-paragraphs (a) and (b) of paragraph 7.2 are satisfied, the Vendor's
     liability in respect of all such claims shall be limited (subject always to
     paragraph 8) to the amount by which the total amount of all material claims
     (together with any applicable Related Claims) exceeds the cumulative
     threshold.

7.4  References to "(pound)" in this paragraph 7 shall, in relation to any
     relevant claim made in a currency other than pounds sterling, be construed
     as references to the equivalent in pounds sterling of such other currency
     at the date the claim is made.

8    AGGREGATE MAXIMUM
     -----------------

8.1  Subject to the provisions of paragraph 8.2, the total liability of the
     Vendor in respect of all claims under or in respect of any of the terms of
     this Agreement, other than in respect of the covenants, obligations and
     undertakings given by the Vendor or the Vendor Guarantor in the Agreement,
     shall not exceed a sum equal to (pound)4,500,000.

8.2  The provisions of paragraph 8.1 shall not apply:


                                       77


<PAGE>


     (a)  to claims made under the Taxation Warranties or the Warranty set out
          in paragraphs 1.1, 1.2, 4.1, 4.3 and 22, the second sentence of
          paragraph 4.2 of schedule 4; and

     (b)  in the case of fraud or wilful non-disclosure by the Vendor of a
          matter which would otherwise represent a breach of a representation or
          Warranty,

     provided that the total aggregate liability of the Vendor in respect of all
     such claims as are referred to in sub-paragraph (a) above (together with
     any claims which may otherwise be brought under this Agreement and/or the
     Taxation Deed other than as referred to in sub-paragraph (b) or which are
     made pursuant to the provisions in the covenants in clause 8) shall not
     exceed the amount of the Purchase Price.

9    NO DUPLICATION OF LIABILITY
     ---------------------------

9.1  The Purchaser hereby agrees with the Vendor that, in respect of any matter
     which may give rise to a liability under this Agreement (including the
     Warranties) and also under the Taxation Deed:

     (a)  such liability shall not be met more than once; and

     (b)  any liability with respect to such matter under the Taxation Deed
          shall be deemed to be satisfied by the satisfaction of the liability
          with respect to such matter under this Agreement and vice versa.

10   SUCCESSFUL CLAIMS DEEMED TO CONSTITUTE A REDUCTION IN PURCHASE PRICE
     --------------------------------------------------------------------

10.1 The satisfaction by the Vendor of any claim under this Agreement (including
     the Warranties) shall be deemed to constitute a reduction in the Purchase
     Price.



                                       78


<PAGE>


                                   SCHEDULE 6
                                   ----------

                              Schedule of Licences
                              --------------------



REGION         LOCATION/ROUTES          NATURE OF LICENCE

ASIA           Japan                    Special type 2 carrier licence

               Hong Kong                Public Non-exclusive
                                        Telecommunications Service Licence

               Singapore                Leased circuit resale licence

USA            International            FCC 2141TC-97-003 (limited global
                                        facilities resale services)

               International            FCC 2141TC-96-549 (limited global
                                        resale services)

EUROPE         United Kingdom           Class licence to run branch systems
                                        granted under Section 7 of the
                                        Telecommunications Act 1984



                                       79


<PAGE>


SIGNED by M.A.S. Bailey                    )
for and on behalf of                       )
MARSHALLS 106 LIMITED                      )     /s/ M.A.S. Bailey
in the presence of: H.M. Raver             )     ..............................
                                                          Director



SIGNED by M.J.W. Potter                    )
for and on behalf of                       )
MARSHALLS FINANCE LIMITED                  )     /s/ M.J.W. Potter
in the presence of: H.M. Raver             )     ..............................
                                                          Director



SIGNED by Charles F. Auster                )
for and on behalf of                       )
INTERNATIONAL EXCHANGE                     )
NETWORKS, LTD.                             )     /s/ Charles F. Auster
in the presence of:                        )     ..............................
                                                 Duly authorised officer



SIGNED by David Walsh                      )
for and on behalf of                       )
IPC INFORMATION SYSTEMS, INC.              )     /s/ David Walsh 
in the presence of:                        )     ..............................
                                                 Duly authorised officer





                                       80

<PAGE>

                                                                       EXHIBIT A





                        DATED   18 December        1998
                        --------------------------------

                             MARSHALLS 106 LIMITED               (1)

                           MARSHALLS FINANCE LIMITED             (2)


                       INTERNATIONAL EXCHANGE NETWORKS LTD       (3)


                                       AND

                         IPC INFORMATION SYSTEMS, INC.           (4)


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

                                  TAXATION DEED

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





                                   NORTON ROSE

                                     London




<PAGE>


THIS DEED is made on 18 December        1998      BETWEEN:

(1)       MARSHALLS 106 LIMITED a company incorporated in England and Wales with
          registered number 1496819 whose registered office is at Lloyds
          Chambers, 1 Portsoken Street, London E1 8DF ("THE COVENANTOR");

(2)       MARSHALLS FINANCE LIMITED a company incorporated in England and Wales
          with registered number 2230414 whose registered office is at Lloyds
          Chambers, 1 Portsoken Street, London E1 8DF ("THE VENDOR GUARANTOR");

(3)       INTERNATIONAL EXCHANGE NETWORKS LTD a company incorporated in the
          state of Delaware, USA whose principal place of business is at Wall
          Street Plaza, 88 Pine Street, New York, New York 10005, USA ("THE
          PURCHASER");

(4)       IPC INFORMATION SYSTEMS, INC. a company incorporated in the state of
          Delaware, USA whose principal place of business is at Wall Street
          Plaza, 88 Pine Street, New York, New York 10005, USA ("THE PURCHASER
          GUARANTOR")

WHEREAS this Deed is entered into pursuant to an agreement dated 7 August 1998
herewith between the Covenantor, the Vendor Guarantor, the Purchaser and the
Purchaser Guarantor for the sale and purchase of the issued share capital of
Saturn Global Network Services Holdings Limited, as amended from time to time
("THE AGREEMENT").

IT IS HEREBY AGREED as follows:

1         INTERPRETATION
          --------------

1.1       Words and expressions defined in clause 1.1 of the Agreement shall
          (unless otherwise defined herein or the context otherwise requires)
          have the same meaning for the purposes of this Deed.

1.2       In this Deed:

          (a)  "ACTUAL TAXATION LIABILITY" means a liability to make an actual
               payment of or of an amount in respect of Taxation whether or not
               such Taxation is also or alternatively chargeable against or
               attributable to any other person;

          (b)  "CLAIM" means any assessment, notice, demand or other document
               issued or action taken by or on behalf of any Taxation Authority
               from which it appears that any one or more of the Company and the
               Subsidiaries are subject to, or are sought to be made subject to,
               any Taxation Liability;

          (c)  "DEEMED TAXATION LIABILITY" means, in any of the circumstances
               set out in column (1) of the schedule hereto, an amount
               determined in


                                        1

<PAGE>

               accordance with the relevant provisions set out in column (2) of
               that schedule;

          (d)  "EVENT" means any event, occurrence, transaction, act or omission
               (or any deemed event, occurrence, transaction, act or omission)
               including for the avoidance of doubt the sale and purchase of the
               Sale Shares pursuant to the Agreement;

          (e)  "RELIEF" means any loss, allowance, exemption, set-off,
               deduction, credit, right to repayment or other relief relating to
               any Taxation or to the computation of income, profits or gains
               for the purposes of any Taxation;

          (f)  "TAXATION" means:


               (i)  any form of tax, levy, duty, charge, impost, withholding or
                    other amount whenever created or imposed and whether of the
                    United Kingdom, the United States of America (or any state
                    thereof) or elsewhere and whether or not the Company or any
                    of the Subsidiaries is primarily liable therefor, payable to
                    or imposed by any Taxation Authority and includes, without
                    limitation, income tax (including income tax or amounts
                    equivalent to or in respect of income tax required to be
                    deducted or withheld from or accounted for in respect of any
                    payment), corporation tax, advance corporation tax, capital
                    gains tax, capital transfer tax, inheritance tax, stamp
                    duty, stamp duty reserve tax, capital duty, value added tax,
                    development land tax, withholding tax, customs and excise
                    duties, national insurance and social security and other
                    similar liabilities or contributions and any other taxes,
                    levies, duties, charges, imposts or withholdings similar to,
                    corresponding with, or replacing or replaced by any of the
                    foregoing; and

               (ii) all surcharges, charges, interest, penalties, and fines,
                    incidental or relating to any Taxation falling within clause
                    1.2(f)(i);

          (g)  "TAXATION AUTHORITY" means the Inland Revenue, H.M. Customs &
               Excise or any other revenue, customs, fiscal, governmental,
               statutory, state, provincial, local governmental or municipal
               authority, body or person, whether of the United Kingdom, the
               United States of America (or any state thereof) or elsewhere;

          (h)  "TAXATION LIABILITY" means an Actual Taxation Liability or a
               Deemed Taxation Liability or any other liability of or loss to
               the Company falling within clause 2.1 hereof;


          (i)  "WARRANTY CLAIM" means a claim under the taxation warranties
               contained in Part B of Schedule 4 of the Agreement;

          (j)  "UNAVAILABILITY" means, in relation to a Relief, the reduction,
               modification, claw-back, counteraction, disallowance or
               cancellation of


                                        2


<PAGE>


               or failure to obtain that Relief, or the amount of any Relief
               being less than the amount specified in column (1) of the
               schedule hereto, and "unavailable" shall be construed
               accordingly.

1.3       In determining for the purposes of this Deed whether a charge on or
          power to sell, mortgage or charge any of the shares or assets of any
          one or more of the Company and the Subsidiaries exists at any time,
          the fact that any Taxation is not yet payable or may be paid by
          instalments shall be disregarded and such Taxation shall be treated as
          becoming due and the charge or power to sell, mortgage or charge as
          arising on the date of the transfer of value or other Event on or in
          respect of which it becomes payable or arises.

1.4       The covenants contained in this Deed apply where the liability in
          question arises as a result of one or more Events or the combined
          effect of more than one Event, where one such Event occurred on or
          before Completion or partly before and partly on or after Completion
          and the Event or Events occurring wholly or partly before Completion
          took place outside, and the Event or Events occurring wholly or partly
          after Completion took place within, the ordinary course of business of
          the Company or its Subsidiaries.

2         COVENANT BY THE COVENANTOR
          --------------------------

2.1       Subject to the provisions of clause 3 hereof, the Covenantor hereby
          covenants with the Purchaser to pay to the Purchaser an amount or
          amounts equal to:

          (a)  any Actual Taxation Liability of any one or more of the Company
               and the Subsidiaries arising as a result of, in respect of or by
               reference to:

               (i)  any Event occurring or deemed for the purposes of any
                    Taxation to occur on or before Completion; or

               (ii) any income, profits or gains earned, accrued or received or
                    deemed for the purposes of any Taxation to have been earned,
                    accrued or received on or before or in respect of any period
                    ending on or before the date of Completion; or

               (iii) its membership at any time of the same group of companies
                    as the Covenantor for the purposes of any Taxation; or

               (iv) Saturn Global Network Services (USA), Inc. being severally
                    liable for any Taxation of any consolidated group (or any
                    member thereof) of which Saturn Global Network Services
                    (USA), Inc. is at Completion, or was prior to Completion, a
                    member pursuant to United States of America Treasury
                    Regulations Section 1.1502-6 or any analogous state or local
                    tax provision;

          (b)  any Deemed Taxation Liability of any one or more of the Company
               and the Subsidiaries;


                                       3


<PAGE>


          (c)  any liability of any one or more of the Company and the
               Subsidiaries to pay or repay any amount under any agreement or
               arrangements relating to the surrender of group relief or advance
               corporation tax entered into on or before the date of Completion;

          (d)  any Taxation arising in respect of or in connection with any
               amounts paid or payable pursuant to or otherwise in connection
               with this Deed;

          (e)  any costs and expenses payable by the Purchaser or any one or
               more of the Company and the Subsidiaries in connection with any
               such liability or amount as is referred to in any of clauses
               2.1(a) to 2.1(d) inclusive or 2.5 hereof or with any claim in
               respect thereof or in taking or defending any action under clause
               6 or clause 8 of this Deed.

2.2       Any payments made pursuant to clause 2.1 or clause 2.5 hereof shall,
          so far as possible, be treated as an adjustment to the consideration
          paid by the Purchaser for the issued share capital of the Company
          under the Agreement.

2.3       All sums payable by the Covenantor under the covenants contained in
          this Deed shall be paid free and clear of all deductions or
          withholdings or rights of counterclaim or set-off unless the deduction
          or withholding is required by law.

2.4       If the Covenantor is required by law to make any deduction or
          withholding from any payment under this Deed, the sum due from the
          Covenantor in respect of such payment shall be increased to the extent
          necessary to ensure that after the making of such deduction or
          withholding the Purchaser receives and retains a net sum equal to the
          sum it would have received had no deduction or withholding been
          required to be made. 

2.5       Without prejudice to the generality of the foregoing, the Covenantor
          hereby covenants with the Purchaser to pay to the Purchaser an amount
          or amounts equal to:

          (i)  any liability to Taxation of any one or more of the Company and
               the Subsidiaries arising as a result of, in respect of or by
               reference to:

               (a)  any failure by any one or more of the Company and the
                    Subsidiaries duly and punctually to register for VAT prior
                    to Completion and/or account for VAT in respect of any
                    period beginning prior to Completion in accordance with
                    relevant law and Taxation Authority practice in the Republic
                    of Ireland, Switzerland or elsewhere; and/or

               (b)  any failure by any one or more of the Company and the
                    Subsidiaries duly and punctually to pay to the Inland
                    Revenue Department of New Zealand, or otherwise to comply
                    with relevant law and Taxation Authority practice in
                    relation to, the Goods and Services Tax of New Zealand prior
                    to Completion; and/or


                                       4


<PAGE>


               (c)  any appeal, instituted before Completion, against any
                    ruling, assessment, notice, demand or other document issued
                    or action taken by or on behalf of any Taxation Authority to
                    the effect that the Goods and Services Tax of New Zealand is
                    payable by one or more of the Company and the Subsidiaries;
                    and/or

          (ii) any costs and expenses incurred before Completion but not paid by
               Completion in respect of the appeal against the Notice of
               Determination issued by the Inland Revenue in the accounting
               period current at Completion, and any costs and expenses
               reasonably incurred after Completion in discontinuing such
               appeal, by any one or more of the Company and the Subsidiaries;

          and Schedule 5 to the Agreement shall not apply to this clause 2.5.

3         LIMITATIONS
          -----------

          The indemnity in clause 2.1 shall not apply to any Taxation Liability:

          (a)  to the extent that a provision or reserve was made therefor in
               the Accounts or the Auditors confirm that it was taken into
               account in the preparation of the Accounts;

          (b)  for which any one or more of the Company and the Subsidiaries
               are, or may become, liable as a result of any Event in the
               ordinary course of business (which shall include the disposal of
               a capital asset having a value of not more than (pound)20,000)
               after the Accounts Date;

          (c)  to the extent that such Taxation Liability or Claim arises or is
               increased as a result of any provision or reserve in the Accounts
               being insufficient by reason of any increase in rates of Taxation
               made after the date of the Agreement and not announced on or
               before the date of the Agreement;

          (d)  to the extent that such Taxation Liability arises or is increased
               as a result only of any change in the law or judicial
               interpretation of the law announced and enacted or arising after
               the date of the Agreement applied with retrospective effect;

          (e)  to the extent that such Taxation Liability arises or is increased
               as the result of the withdrawal or change in the terms of any
               practice of general application previously published by the
               Inland Revenue (including, for the avoidance of doubt, Inland
               Revenue guidance notes and Inland Revenue manuals) or any other
               Taxation Authority (whether or not such change purports to be
               effective retrospectively, in whole or in part);

          (f)  to the extent that such Taxation Liability arises or is increased
               as the result of any act or omission effected by any one or more
               of the Company and the Subsidiaries after Completion other than
               at the request of the Covenantor, or pursuant to a legally
               binding obligation entered


                                       5


<PAGE>


               into before Completion, or where such act or omission is required
               by law and otherwise than in the ordinary course of business of
               the Company or relevant Subsidiary where the Company or the
               Subsidiary knew or ought reasonably to have known that such act
               or omission would give rise to the Taxation Liability in
               question;

          (g)  to the extent that such Taxation Liability arises as a result of
               any change on or after Completion in any accounting policy, any
               Taxation reporting or computation practice (including the basis
               of preparation and method of computation of any Taxation
               returns), of the Purchaser or any one or more of the Company and
               the Subsidiaries other than: 

               (i)  in the case of any such accounting policy which, at the time
                    such accounting policy was adopted for the purposes of
                    preparing any relevant accounts did not accord with
                    generally accepted accounting principles in the relevant
                    jurisdiction, any change necessary to bring such accounting
                    policy into line with such principles,

               (ii) in the case of any Taxation reporting or computation
                    practice, such change was adopted to comply with any
                    requirement having the force of law or any Taxation
                    Authority practice;

          (h)  to the extent that such Taxation Liability arises as a result of
               the Purchaser or any one or more of the Company and the
               Subsidiaries failing to submit the returns, self-assessment
               and/or computations required to be made by them or not submitting
               such returns and computations within the appropriate time limits
               or submitting such returns and computations otherwise than on a
               proper basis, in each case after Completion, other than to the
               extent that such Taxation Liability arises as a result of matters
               arising under clause 2.5 (i) (a), or the Covenantor's conduct of
               any Claim pursuant to clause 6 or its control of the Company's
               tax returns pursuant to clause 8;

          (i)  to the extent that such Taxation Liability would not have arisen
               but for:

               (i)  the making of or any revision to a claim, election,
                    surrender or disclaimer, or the giving of a notice or
                    consent, under the provisions of any enactment or regulation
                    relating to Taxation, in each case after Completion and by
                    the Purchaser or any one or more of the Company and the
                    Subsidiaries, without the prior written consent of the
                    Covenantor (not to be unreasonably withheld or delayed); or

               (ii) the failure or omission on the part of the Purchaser or any
                    one or more of the Company and the Subsidiaries, without the
                    prior written consent of the Covenantor, to make any such
                    valid claim, election, surrender or disclaimer, or to give
                    any such notice or consent under the provisions of any
                    enactment or regulation


                                       6


<PAGE>


                    relating to Taxation, in circumstances where the making or
                    giving of which was taken into account in the preparation of
                    the Accounts and in each case where details of such claim,
                    election, surrender, disclaimer, notice or consent were
                    contained in documents 1 and 41 of Additional Volume 1 and
                    documents 35 and 41 of Additional Volume 2 in the Data Room
                    Bundle;

          (j)  to the extent that such Taxation Liability arises under Part XV
               of the Value Added Tax Regulations 1995 by reason of any Event
               occurring after Completion where the Disclosure Letter sets out
               in full with reference to this subclause details of any capital
               items as described in Regulation 113 owned or occupied by the
               Company or any of the Subsidiaries prior to Completion;

          (k)  to the extent that the amount for which the Covenantor is liable
               under this Deed does not exceed an amount for which the
               Covenantor is liable under the Agreement in respect of the same
               Taxation Liability, and such liability has been fully satisfied;

          (l)  to the extent that any one or more of the Company and the
               Subsidiaries or any associated company (as defined in section 416
               ICTA 1988) of the Company and the Subsidiaries has received an
               amount in respect of such Taxation Liability from any Third Party
               (as defined in clause 4 - Rebate);

          (m)  the Covenantor has satisfied such Taxation Liability by reason of
               being liable for such Taxation under sections 767A or 767AA ICTA
               1988.

4         REBATE
          ------

4.1       The Purchaser undertakes that if, after the Covenantor has paid in
          full any amount due hereunder in respect of any Taxation Liability,
          the Purchaser or any one or more of the Company and the Subsidiaries
          is or becomes entitled to receive or receive from any Taxation
          Authority a payment in respect of such Taxation Liability, the
          Purchaser shall notify the Covenantor of such entitlement or recovery
          as soon as reasonably practicable and, where recovery has not been
          effected at the date of notification, shall (if requested by and at
          the expense of the Covenantor and upon the Covenantor indemnifying the
          Company, the Subsidiaries and the Purchaser to their reasonable
          satisfaction against all liabilities, obligations, losses, including
          any additional Taxation Liability, interest, penalties, costs, damages
          and expenses which may be thereby incurred and providing them with
          reasonable evidence of the ability of the Covenantor to satisfy the
          amount of such indemnity) take, or cause the Company to take, such
          action as the Covenantor shall reasonably request to enforce such
          recovery against the person in question (keeping the Covenantor fully
          informed of the progress of any action taken) and the Purchaser shall
          repay to the Covenantor a sum equal to the lesser of:


                                       7


<PAGE>


          (a)  the amount of any payment so received (less such costs and
               expenses of recovery); and

          (b)  the aggregate amount paid by the Covenantor hereunder in respect
               of the Taxation Liability in question.

          Any amount of the payment not so paid to the Covenantor shall be
          carried forward and set off against payment in respect of any amount
          payable in respect of any claims hereunder.

4.2       Any payment required to be made by the Purchaser pursuant to clause
          4.1 shall be made where the Purchaser or any one or more of the
          Company and the Subsidiaries receive a payment within 10 business days
          of the receipt thereof.

4.3       Any sum not paid by the Purchaser on the due date of payment specified
          in clause 4.2 shall bear interest (which shall accrue from day to day
          after as well as before any judgment for the same) at a rate equal to
          the rate of 2 per cent per annum above the base rate of The Royal Bank
          of Scotland plc from the due date to and including the day of actual
          payment of such sum. Such interest shall be paid 5 business days after
          the demand of the Covenantor.

5         VENDOR AND PURCHASER GUARANTEE
          ------------------------------

5.1      ((a)) In consideration of the Purchaser and the Purchaser Guarantor
               entering into this Deed, the Vendor Guarantor hereby guarantees
               to the Purchaser the due and punctual performance of all the
               obligations and liabilities of the Covenantor under or otherwise
               arising out of or in connection with this Deed and undertakes to
               keep the Purchaser fully indemnified against all liabilities,
               losses, proceedings, claims, damages, costs and expenses of
               whatever nature which the Purchaser may suffer or incur as result
               of any failure or delay by the Covenantor in the performance of
               any of such obligations and liabilities.

          (b)  If any obligation or liability of the Covenantor expressed to be
               the subject of the guarantee contained in this clause ("the
               Vendor Guarantee") is not or ceases to be valid or enforceable
               against the Covenantor (in whole or in part) on any ground
               whatsoever (including, but not limited to, any defect in or want
               of powers of the Covenantor or irregular exercise thereof or any
               lack of authority on the part of any person purporting to act on
               behalf of the Covenantor or any legal or other limitation,
               disability or incapacity, or any change in the constitution of,
               or any amalgamation or reconstruction of, or the bankruptcy,
               liquidation, administration or insolvency of the Covenantor), the
               Vendor Guarantor shall nevertheless be liable to the Purchaser in
               respect of that purported obligation or liability as if the same
               were fully valid and enforceable and the Vendor Guarantor were
               the principal debtor in respect thereof.

          (c)  The liability of the Vendor Guarantor under the Vendor Guarantee
               shall not be discharged or affected in any way by:


                                       8


<PAGE>


               (i)  the Purchaser compounding or entering into any compromise,
                    settlement or arrangement with the Covenantor, any
                    co-guarantor or any other person; or

               (ii) any variation, extension, increase, renewal, determination,
                    release or replacement of this Deed, whether or not made
                    with the consent or knowledge of the Vendor Guarantor; or

               (iii) the Purchaser granting any time, indulgence, concession,
                    relief, discharge or release to the Covenantor, any
                    co-guarantor or any other person or realising, giving up,
                    agreeing to any variation, renewal or replacement of,
                    releasing, abstaining from or delaying in taking advantage
                    of or otherwise dealing with any securities from or other
                    rights or remedies which it may have against the Covenantor,
                    any co-guarantor of any other person; or

               (iv) any other matter or thing which, but for this provision,
                    might exonerate or affect the liability of the Vendor
                    Guarantor.

          (d)  The Vendor Guarantee is in addition to any other security or
               right now or hereafter available to the Purchaser and is a
               continuing security notwithstanding any liquidation,
               administration, insolvency or other incapacity of the Covenantor
               or the Vendor Guarantor.

5.2       Clause 5.1 shall be deemed to be repeated herein with the substitution
          of:

          (a)  "Covenantor" for "Purchaser";

          (b)  "Purchaser" for "Covenantor"; 

          (c)  "Vendor Guarantor" for "Purchaser Guarantor";

          (d)  "Purchaser Guarantor" for "Vendor Guarantor"; and

          (e)  "Purchaser Guarantee" for "Vendor Guarantee".


5.3       (a)  The Vendor Guarantor represents and warrants to the Purchaser
               that this Deed constitutes legal, valid and binding obligations
               of the Vendor Guarantor enforceable in accordance with its terms.

          (b)  The Purchaser Guarantor represents and warrants to the Covenantor
               and the Vendor Guarantor that this Deed constitutes legal, valid
               and binding obligations of the Purchaser Guarantor enforceable in
               accordance with its terms.

6         CONDUCT OF CLAIMS
          -----------------

6.1       If the Purchaser or the Company shall become aware of any Claim which
          is likely to give rise to a liability on the Covenantor hereunder, the
          Purchaser shall


                                       9


<PAGE>


          give notice thereof or procure that notice thereof is given within 15
          days of the Purchaser or the Company becoming aware of such Claim to
          the Covenantor in accordance with clause 13. Failure to provide such
          notice to the Covenantor within such time limit shall not relieve the
          Covenantor of any liability hereunder save only to the extent that
          failure to give such notice within such time limit has increased the
          amount of the liability of the Covenantor hereunder in respect of the
          Claim.

6.2       In the case of a Claim of which the Covenantor does not already have
          the conduct pursuant to clause 8, the Purchaser shall take or shall
          procure that the Company shall take such action as the Covenantor may
          by written notice given to the Purchaser reasonably request to cause
          the Claim to be withdrawn or to dispute, resist, appeal against,
          compromise or defend the Claim and any determination in respect
          thereof or to apply to postpone (so far as legally possible) the
          payment of any Taxation pending the determination of any appeal but
          subject to the Purchaser and the Group being indemnified to their
          reasonable satisfaction by the Covenantor (and provided with
          reasonable evidence of the ability of the Covenantor to satisfy the
          amount of the Taxation which is the subject of such Claim and such
          indemnity) against all liabilities, obligations, losses (including any
          additional Taxation Liability), interest, penalties, costs, damages
          and expenses which may be thereby incurred by the Purchaser or the
          Group, and Provided that: 

          (a)  any request made by the Covenantor pursuant to this clause 6.2
               shall be made within a reasonable time of receipt by the
               Covenantor of any notice given by the Purchaser to the Covenantor
               in accordance with clause 6.1 and if, on the expiry of a period
               of 10 business days commencing on the date of service on the
               Covenantor of such notice, the Covenantor shall not have given to
               the Purchaser notice of the Covenantor's intentions in respect of
               the Claim or shall not have provided satisfactory indemnities and
               reasonable evidence in accordance with this clause 6.2, the
               Purchaser and the Group shall be entitled to satisfy or settle or
               deal with the Claim on such terms as they shall think fit but
               without prejudice to their rights and remedies under this Deed;

          (b)  the Purchaser and the Group shall not be obliged to comply with
               any request of the Covenantor which involves contesting any
               assessment for Taxation before any court or any other appellate
               body unless they have been advised in writing by tax counsel
               instructed by agreement between the Purchaser and the Covenantor
               at the Covenantor's expense that an appeal against the assessment
               for Taxation in question will, on the balance of probabilities,
               be won by the Purchaser or, as the case may be, the Group;

          (c)  neither the Purchaser nor the Group shall be obliged to take any
               action which is likely to increase the amount of Taxation which
               is the subject of the Claim or the future Taxation Liability of
               any company in the group of companies of which the Purchaser is
               for the time being a member nor shall the Covenantor make any
               settlement or compromise of the Claim or


                                       10


<PAGE>


               agree any matter in the conduct of the Claim which is likely to
               have such effect without the prior written consent of the
               Purchaser such consent not to be unreasonably withheld or
               delayed;

          (d)  the Covenantor shall keep the Purchaser fully informed of all
               relevant matters and shall promptly forward or procure to be
               forwarded to the Purchaser copies of all relevant correspondence
               and other relevant information and documentation;

          (e)  all communications written or otherwise relating to the Claim
               which are to be transmitted to a Taxation Authority shall first
               be submitted to the Purchaser for approval and shall only be
               finally transmitted if such approval is given, such approval not
               to be unreasonably withheld or delayed;

          (f)  the Purchaser or the Company or any Subsidiary may without
               reference to the Covenantor satisfy or settle or deal with the
               Claim on such terms as they shall reasonably think fit but
               without prejudice to their rights and remedies under the Deed if
               the Covenantor serves a notice on the Purchaser pursuant to this
               clause 6.2 to the effect that in relation to any such Claim the
               Covenantor does not wish to take up or continue the conduct
               thereof, or if a period of 10 business days has expired following
               the service of notice (other than a notice under clause 6.1) by
               the Purchaser or the Company or any Subsidiary on the Covenantor
               to the effect that the Covenantor is not properly and effectively
               conducting the Claim where by the expiry of that period the
               Covenantor has not taken steps properly and effectively so to
               conduct the Claim, or if in the reasonable opinion of the
               Purchaser the Covenantor or the Company has committed any acts or
               omissions prior to Completion which constitute fraud or wilful
               default.

6.3       Whether or not the Covenantor exercises its right to request the
          Purchaser to take action pursuant to clause 6.2, it shall supply the
          Purchaser and the Group free of charge with all relevant information,
          books, papers and other documents in its possession or under its
          control and shall give or procure the giving (as appropriate) of such
          statements and other reasonable co-operation as the Purchaser and the
          Group may reasonably request for the purposes of this Deed.

7         ADDRESS FOR SERVICE
          -------------------

7.1      Each of the Purchaser and the Purchaser Guarantor hereby irrevocably
         authorises and appoints the Purchaser's Solicitors (or such other
         person or persons, being a firm of solicitors resident in England, as
         the Purchaser or the Purchaser Guarantor (as the case may be) may
         hereafter as regards itself by notice in writing to all the other
         parties hereto from time to time substitute) to accept on its behalf
         service of all legal process arising out of or connected with this Deed
         and in the case of service to the Purchaser's Solicitors all
         communications shall be marked for the attention of the Head of the
         Business Law Department.


                                       11


<PAGE>


7.2       Service of such process on the person for the time being authorised
          under clause 7.1 to accept it on behalf of the Purchaser or the
          Purchaser Guarantor (as the case may be) shall be deemed to be service
          of that process on the Purchaser or the Purchaser Guarantor (as the
          case may be).

8         TAX RETURNS AND COMPUTATIONS
          ----------------------------

8.1       The Purchaser shall procure that:

          (a)  the Covenantor (or such professional advisers as the Covenantor
               may select) shall have sole control over the preparing,
               submitting, negotiating and agreeing of all matters relevant to
               the Taxation position of the Company for any period ended on or
               before the Accounts Date (the costs of which shall be borne by
               the Covenantor);

          (b)  the Covenantor (or its advisers) shall be provided as soon as
               reasonably practicable with any information received by the
               Purchaser or the Company, or of which the Purchaser or the
               Company otherwise becomes aware, which may be relevant to the
               matters set out in clause 8.1(a) above, and with such assistance
               (including assistance from such employees of the Purchaser and
               the Company) as the Purchaser may reasonably agree and access to
               such documents and records of, or relating to, the Company, as
               the Covenantor (or its advisers) may reasonably require in
               connection with such matters;

          (c)  the Company shall immediately sign such returns and make such
               claims and elections and give such consents (including such
               provisional or final claims to accept the surrender of losses or
               other amounts eligible for surrender under Chapter IV of Part X
               ICTA 1988 ("GROUP RELIEF"), consents to surrender Group Relief or
               claims to set off or to accept the surrender of advance
               corporation tax ("ACT") in respect of any period ended on or
               before Completion) and comply with all procedural requirements in
               respect of the making or giving of such returns, claims,
               elections or consents as in each case the Covenantor may,
               reasonably and properly, direct in writing provided that the
               Covenantor shall give the Purchaser reasonable notice in advance
               of any deadline for the making or giving of the same;

          (d)  the Covenantor shall keep the Purchaser fully informed of the
               progress of its conduct of the tax affairs of the Company
               pursuant to this clause 8.1, provide the Purchaser with copies of
               all relevant correspondence and documents, and forthwith submit
               in draft form to the Purchaser all relevant computations,
               documents and correspondence (including without limitation the
               draft tax computations) for comment and the Covenantor shall
               consider all reasonable comments or suggestions made by the
               Purchaser or the Company or their professional advisers. 


                                       12


<PAGE>


8.2       Subject to clause 6 and clause 8.3 below, the Purchaser and its
          advisers shall have sole conduct of all tax affairs of the Group other
          than those set out in clause 8.1(a) above.

8.3       Where any computation, return or accounts is or are required to be
          submitted for, or in respect of, any period during which Completion
          takes place, a draft shall be submitted to the Covenantor (or such
          advisers as it shall nominate) at least 21 days before its intended
          submission to any Taxation Authority and the Covenantor and its
          advisers shall be given access to all information reasonably necessary
          to determine its accuracy. The Covenantor (or such advisers as it
          shall nominate) shall comment within 14 days of such submission. If
          the Purchaser has not received any comment or suggestion within 14
          days, the Covenantor (or such advisers as it shall nominate) shall be
          deemed to have approved such draft documents. If the Covenantor (or
          such advisers as it shall nominate) have any comment or suggestion,
          the Purchaser shall procure that the Company shall consider such
          comment or suggestion to the extent that it arises in respect of an
          Event, or profits income or gains earned accrued or received wholly on
          or before Completion. In addition, the Covenantor shall be kept
          informed of any material relevant negotiations regarding the Taxation
          Liabilities of the Company relating to any period during which
          Completion takes place and before any agreement in respect of those
          Taxation Liabilities is reached with such Taxation Authority details
          of the proposed agreement shall be given to the Covenantor at least 10
          business days before the proposed conclusion of such agreement.

9         PAYMENT
          -------

9.1       Where any amount is required to be paid by the Covenantor under this
          Deed in respect of an Actual Taxation Liability, the Covenantor shall
          pay such amount in cleared, immediately available funds on the
          business day before the date on which the Taxation in question is due
          for payment to the relevant Taxation Authority or, if later, five
          business days following the date on which the Purchaser notifies the
          Covenantor of its liability to make such payment.

9.2       If the Covenantor becomes liable to make a payment under clause 2
          above in respect of any Deemed Taxation Liability or any other amount
          not being an Actual Taxation Liability, the Purchaser will notify the
          Covenantor in writing of the amount which the Covenantor is required
          to pay and the Covenantor shall pay such amount in cleared,
          immediately available funds before the date that an actual liability
          to Taxation becomes payable by reason of the Relief not being
          available or following its use to set off against other liabilities or
          in the case of any liability under 2.1(e) or otherwise under this
          Deed, 10 business days after the date of demand therefor. Any dispute
          as to the amount contained in such notice shall be determined by an
          independent chartered accountant appointed (in default of agreement)
          by the President of the Institute of Chartered Accountants in England
          and Wales, acting as an expert and not an arbitrator.

9.3       Sums not paid by the Covenantor on the dates specified in clauses 9.1
          and 9.2 above shall bear interest (which shall accrue from day to day
          after, as well as before, judgment at 2 per cent above base rate of
          The Royal Bank of Scotland 


                                       13


<PAGE>


          plc or, in the absence of such base rate, at such similar rate as the
          Purchaser may select and notify to the Covenantor) from the date
          following the said specified date up to and including the day of
          actual payment of such sums (or the next business day if such day of
          actual payment is not a business day), and payable on demand by the
          Purchaser.

10        OVERPROVISIONS AND CORRESPONDING SAVINGS PROVISIONS
          ---------------------------------------------------

10.1      If:

          (a)  any provision for Taxation in the Accounts has proved to be an
               over-provision, except to the extent that such over-provision
               results from:

               (i)  the utilisation of a Relief which has been treated as an
                    asset of the Company in preparing the Accounts; or

               (ii) a Relief which arises as a consequence of or by reference to
                    an Event occurring (or deemed to occur) after Completion; or

               (iii) a change in rates of Taxation made after the date of this
                    Deed; or 

          (b)  any Taxation Liability to which clause 2 applies results in a
               Relief which would not otherwise have arisen or which arises in
               an accounting period other than the one in which the Taxation
               Liability arises or which gives rise to a reduction in the amount
               of, or the elimination of, an Actual Taxation Liability of the
               Company whenever arising,

          an amount equal to such over-provision or (as the case may be) the
          amount of the Actual Taxation Liability which is eliminated or the
          amount by which it is reduced (except to the extent to which it has
          been taken into account or credit has been given for it in relation to
          any Warranty Claim or claim hereunder) (as determined and certified by
          the auditors for the time being of the Company) shall be dealt with in
          accordance with clause 10.2 below.

10.2      Where pursuant to clause 10.1 any amount (the "RELEVANT AMOUNT") is to
          be dealt with in accordance with this sub-clause:

          (a)  the Relevant Amount shall first be set off against any payment
               then due from the Covenantor under this Deed;

          (b)  to the extent that there is an excess, a refund shall be made to
               the Covenantor of any previous payment or payments made by it
               under this Deed and not previously refunded under this sub-clause
               up to the amount of such excess; and

          (c)  to the extent that the excess referred to in sub-clause (b) is
               not exhausted under that sub-clause, the remainder of that excess
               shall be carried forward and set off against any future payments
               which may become due from the Covenantor under this Deed.


                                       14


<PAGE>


10.3      For the purposes of clause 10.1(b), a Taxation Liability shall not be
          treated as being eliminated or reduced until the date upon which such
          liability is actually eliminated or reduced and, in particular (but
          without prejudice to the generality of the foregoing), where the
          Relief is the right to set a liability of the Company to advance
          corporation tax against a liability of the Company to corporation tax
          pursuant to Section 239(1) or (4) ICTA 1988 or gives rise to a
          repayment of corporation tax pursuant to Section 239(3) ICTA 1988, the
          Relief shall not be treated as having arisen until the offset has
          occurred or the repayment has been received.

11        PURCHASER'S COVENANT
          --------------------

11.1      The Purchaser hereby covenants with the Covenantor to pay to the
          Covenantor (as trustee for the Indemnified Persons (as defined in this
          clause 11.1)) an amount or amounts equal to any Taxation for which the
          Covenantor, or any other person other than a member of the Group (in
          this clause 11, "THE INDEMNIFIED PERSONS") falling within section
          767A(2) or 767AA(4) ICTA 1988 by virtue of a relationship which that
          person has with the Covenantor, becomes liable by virtue of the
          operation of sections 767A, 767AA and/or 767B ICTA 1988 in
          circumstances where the tax-payer company or the transferred company
          (as referred to in section 767A(1) or 767AA(1)) is the Company and
          where such Taxation liability would not have arisen but for the
          failure by the Company to discharge a liability to Taxation which
          relates to an accounting period beginning prior to Completion.

11.2      The covenant contained in clause 11.1 shall:

          (a)  extend to any reasonable costs properly incurred by the
               Covenantor or the Indemnified Persons in connection with such
               Taxation or a successful claim under this clause 11;

          (b)  not extend to any Taxation in respect of which the Purchaser has
               or would have had (but for such Taxation having been satisfied by
               the Covenantor or the Indemnified Persons) a claim under this
               Deed provided that this clause 11.2(b) shall not apply to the
               extent that such claim has previously been satisfied by the
               Covenantor; and

          (c)  not extend to any Taxation which has been recovered under section
               767B(2) ICTA 1988 (and the Covenantor shall procure that no such
               recovery is sought to the extent that payment is made hereunder).

11.3      The provisions of clause 2.2 (ADJUSTMENT TO PURCHASE PRICE), 4
          (REBATE), 6 (CONDUCT OF claims), 2.1(d) and 2.4 (GROSS-UP), and 9
          (PAYMENT) shall apply MUTATIS MUTANDIS to payments to the Covenantor
          under this clause 11 as they apply to payments to the Purchaser under
          this Deed.


                                       15


<PAGE>


12        RELEASES, WAIVERS ETC.
          ----------------------

          Neither the single or partial exercise or temporary or partial waiver
          by any party to this Deed of any right, nor the failure by any such
          party to exercise in whole or in part any right or to insist on the
          strict performance of any provision of this Deed, nor the
          discontinuance, abandonment or adverse determination of any
          proceedings taken by any such party to enforce any right or any such
          provision shall (except for the period or to the extent covered by any
          such temporary or partial waiver) operate as a waiver of, or preclude
          any exercise or enforcement or (as the case may be) further or other
          exercise or enforcement by any such party of, that or any other right
          or provision.

13        NOTICES
          -------

13.1      Any notice or any other document to be given under this Deed shall be
          in writing and shall be deemed duly given if left at, or sent by (i)
          first class post, airmail, express or other fast postal service or
          (ii) facsimile transmission to the addresses and facsimile numbers
          specified in clause 13.4 below (including, if applicable, any "copy
          to" addressees) or such other address or facsimile number as any party
          may by notice to the other parties expressly substitute therefor.

13.2      Notice shall be deemed to be given if sent by first class post,
          express or other fast postal service, 2 business days after posting
          or, in the case of posting to an overseas address, 7 business days
          after posting, and if sent by facsimile transmission when in the
          ordinary course of the means of transmission it would first be
          received by the addressee during normal business hours.

13.3      In proving the giving of a notice it shall be sufficient to prove that
          the notice was left or that the envelope containing such notice was
          properly addressed and posted or that the applicable means of
          telecommunications was properly addressed and despatched (as the case
          may be).

13.4      The addresses and facsimile numbers referred to in clause 13.1 above
          are:

         (a)      The Covenantor and the Vendor Guarantor
                  For the attention of:     The Finance Director
                  Address:                  Lloyds Chambers
                                            1 Portsoken Street
                                            London E1 8DF
                  Facsimile number:         0171 702 3951

         (b)      The Purchaser and the Purchaser Guarantor:
                  For the attention of:     David Walsh
                  Address:                  IXNET
                                            Wall Street Plaza
                                            88 Pine Street
                                            New York,
                                            NY 10005
                  Facsimile number:         001 212 858 7990


                                       16


<PAGE>


                  With a copy to:           General Counsel
                  Address:                  IPC Information Systems, Inc.
                                            Wall Street Plaza
                                            88 Pine Street
                                            New York,
                                            NY 10005
                  Facsimile number:         001 212 858 7959

14        CHOICE OF LAW AND JURISDICTION
          ------------------------------

14.1      This Deed shall be governed by and construed in accordance with
          English law.

14.2      It is hereby agreed that:

          (a)  subject to paragraph (c) of this sub-clause, if any party has any
               claim against another party arising out of or in connection with
               this Deed such claim shall be referred to the High Court of
               Justice in England, to the jurisdiction of which each of the
               parties hereto irrevocably submits;

          (b)  subject to paragraph (c) of this sub-clause, the jurisdiction of
               the High Court of Justice in England over any such claim shall be
               an exclusive jurisdiction and no courts outside England shall
               have jurisdiction to hear or determine any such claim other than
               any such claim; and

          (c)  if in any suit, action or proceeding ("Proceeding") arising out
               of or in connection with this Deed an order or injunction is
               sought (including but not limited to an order for specific
               performance of any obligations under this Deed) ordering a party
               to do or refrain from doing anything in any jurisdiction other
               than England whether or not damages or other monetary relief are
               also sought in the same Proceedings, then notwithstanding
               paragraphs (a) and (b) of this sub-clause such Proceeding may be
               brought by a Court or competent jurisdiction situation within
               such other jurisdiction,

          provided that nothing in sub-clauses (a) and (b) above shall prevent
          or restrict proceedings in any jurisdiction relating to the
          enforcement of any judgment already obtained in the High Court of
          Justice in England.

15        ALTERATIONS
          -----------

          No purported alteration of this Deed shall be effective unless it is
          in writing, refers to this Deed and is duly executed by each party
          hereto.

16        COUNTERPARTS
          ------------

          This Deed may be entered into in the form of two or more counterparts
          each executed by one or more of the parties but, taken together,
          executed by all and, provided that all the parties so enter into the
          Deed, each of the executed 


                                       17


<PAGE>


          counterparts, when duly exchanged or delivered, shall be deemed to be
          an original, but, taken together, they shall constitute one
          instrument.

17        SUCCESSORS AND ASSIGNS
          ----------------------

17.1      This Deed shall be binding on and shall endure for the benefit of the
          successors in title of each party.

17.2      None of the parties hereto shall be entitled to assign the benefit of
          any rights under this Agreement save only that the Purchaser shall be
          entitled to assign the benefit of its rights hereunder to any bank
          which provides funds to the Purchaser to enable it to pay the Purchase
          Price or any significant part thereof if (but only if) such bank shall
          require such assignment as part of its security.

17.3      The Vendor Guarantor shall procure that in the event of the direct or
          indirect sale or transfer of all or substantially all of the assets of
          the Vendor Guarantor within four years from the Completion Date the
          Vendor Guarantor shall, if required by the Purchaser, procure that the
          purchaser of such assets shall by deed in terms reasonably
          satisfactory to the Purchaser agree to the assignment of this Deed to
          such purchaser of the obligations of the Covenantor and the Vendor
          Guarantor under this Deed which such purchaser will assume on a joint
          and several basis with the Covenantor and the Vendor Guarantor.

17.4      For the purposes of clause 17.3, substantially all of the assets of
          the Vendor Guarantor shall mean assets constituting 80% of more of the
          assets of the Marshalls Group (excluding the Group) on a consolidated
          basis, either on the basis of book value or fair market value.

IN WITNESS whereof this Deed has been entered into the day and year first above
written.


                                       18


<PAGE>



                                    SCHEDULE
                                    --------

                          (Deemed Taxation Liabilities)
                           ---------------------------



               (1)                                       (2)


1.  The  unavailability  of all or any    1. So much of the amount of such asset
part  of any  Relief  which  has  been    as  corresponds  to the  amount of the
treated as an asset of the  Company in    Relief unavailable.
preparing the Accounts.

2.  The  unavailability  of all or any    2. So much of the amount of such asset
part  of  a  right  to   repayment  of    as  corresponds   to  the  amount  of 
Taxation  which has been treated as an    the repayment unavailable.
asset of the Company in preparing  the
Accounts.

3. The  setting-off of a Relief (other    3. So much of the amount of such asset
than  one to which  paragraph  4 below    as  corresponds  to the  amount of the
applies)  which has been treated as an    Relief which would have been available
asset of the Company in preparing  the    but for such setting-off.
Accounts  against  an Actual  Taxation
Liability  in  respect  of  which  the
Purchaser    would,   but   for   that
setting-off,  have been able to make a
claim  against  the  Covenantor  under
this Deed.


4.  The  setting-off  of  a  right  to    4. So much of the amount of such asset
repayment  of Taxation  which has been    as  corresponds  to the  amount of the
treated as an asset of the  Company in    repayment   which   would   have  been
preparing  the  Accounts   against  an    obtainable but for such setting-off.
Actual  Taxation  Liability in respect
of which the Purchaser  would, but for
that  setting-off,  have  been able to
make a claim  against  the  Covenantor
under this Deed.

5. The setting-off against any income,    5. The amount of the  Actual Taxation
profits or gains of the Company  which    Liability which would have arisen but 
were earned,  accrued or received,  or    for such setting-off.
deemed for any Taxation purposes to be    
earned,  accrued  or  received,  on or    
before Completion,  or in respect of a    
period ended on or before  Completion,
of  any  Relief   which  arises  as  a
consequence  of, or by reference to an
Event


                                       19


<PAGE>


occurring  (or deemed to occur)  after
Completion and not as a consequence of
or by reference to any Event occurring
(or  deemed  to  occur)  on or  before
Completion in circumstances where, but
for  such  setting-off,   the  Company
would  have  had  an  Actual  Taxation
Liability  in  respect  of  which  the
Purchaser would have been able to make
a  claim against the Covenantor  under
this Deed.

6. The  setting-off  against an Actual    6. The amount of the  Actual  Taxation
Taxation  Liability  of the Company in    Liability  which would have arisen but
respect of which the Purchaser  would,    for such setting-off.
but for that  setting  off,  have been
able  to  make  a  claim  against  the
Covenantor  under  this  Deed,  of any
Relief  or  right  to   repayment   of
Taxation which arises as a consequence
of,  or  by  reference  to,  an  Event
occurring  (or deemed to occur)  after
Completion  and  not as a  consequence
of,  or by  reference  to,  any  Event
occurring  (or  deemed to occur) on or
before Completion.



                                       20



EXECUTED and DELIVERED        )
as a DEED by                  )
MARSHALLS 106 LIMITED         )          /s/ Jaqueline Riley
                                         .....................................
                                         Director

                                         /s/ H.M. Raver
                                         .....................................
                                         Director/Secretary



EXECUTED and DELIVERED        )
as a DEED by                  )
MARSHALLS FINANCE LIMITED     )          /s/ M.J.W. Potter 
                                         .....................................
                                         Director

                                         /s/ H.M. Raver
                                         .....................................
                                         Director/Secretary


EXECUTED and DELIVERED        )
as a DEED by                  )
INTERNATIONAL EXCHANGE        )
NETWORKS LTD                  )          /s/ David Walsh
                                         .....................................
                                         Director

                                         /s/ Daniel Utevsky
                                         .....................................
                                         Director/Secretary



EXECUTED and DELIVERED        )
as a DEED by                  )
IPC INFORMATION SYSTEMS,      )
INC.                          )          /s/ David Walsh
                                         .....................................
                                         Director

                                         /s/ Daniel Utevsky
                                         .....................................
                                         Director/Secretary





                                       21

 

                                                                      EXHIBIT 99


                  IXnet COMPLETES ACQUISITION OF SATURN GLOBAL

New York--December 21, 1998 - IXnet, a subsidiary of IPC Information Systems
Inc. (Amex: IPI), announced today that it had completed the acquisition of
Saturn Global Network Services Holdings Limited for (pound)30 Million from
Marshalls Finance Limited. This acquisition, which was originally announced in
August, closed after completion of required regulatory approvals.

Saturn, an international provider of end-to-end managed voice and data services,
is headquartered in London and utilizes its managed network to provide private
line, managed bandwidth, and enhanced data services to customers in Europe,
Australia, Asia, and North America. Saturn was started by Marshalls in 1992 to
commercialize Marshalls' experience in providing specialized telecommunications
solutions for financial trading firms. With network points of presence ("POPs")
in 40 cities around the world, Saturn's addition will significantly increase the
size and reach of IXnet's global financial communications network.

"This is a major step for IXnet," said David Walsh, CEO and President. "This
combination of the world's two premier financial communications networks will
allow us to significantly improve the reach and scope of global services we
offer our customers. In addition to the natural customer benefits of the
expanded network, we also expect to achieve significant synergy and cost savings
in our combined network operations. IXnet currently has more than 250 customers
in the highly competitive financial services sector and over 600 network nodes
worldwide. Saturn will bring close to 200 network nodes, 40 points of presence
and more than 150 customers to IXnet. The combined companies have an annualized
revenue run rate in excess of $70 million."

IXnet is a subsidiary of IPC Information Systems, Inc. (Amex: IPI), a world
leader in providing integrated telecommunications equipment and services that
facilitate the execution of transactions by the financial trading community.
IPC's patented digital Tradenet MX(R) turret is the most widely installed voice
trading system in the world. IXnet operates an international voice and data
network, providing a variety of dedicated private line, managed data and
switched voice services, which have been specifically designed to meet the
specialized telecommunications requirements of the financial trading community.
In addition, IPC installs and services the cabling infrastructure and networks
which provide financial traders with desktop access to time-sensitive
communications and data. IPC is a subsidiary of Cable Systems Holding LLC.

For more information, visit IXnet's web site at www.ixnet.com or IPC's site at
www.ipc.com.



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