CAMBRIDGE TECHNOLOGY PARTNERS MASSACHUSETTS INC
8-K, 1997-12-08
COMPUTER INTEGRATED SYSTEMS DESIGN
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<PAGE>
 
                       SECURITIES AND EXCHANGE COMMISSION

                              Washington, DC 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):  November 24, 1997

              Cambridge Technology Partners (Massachusetts), Inc.
             ------------------------------------------------------
             (Exact name of Registrant as specified in its charter)

                  304 Vassar Street, Cambridge, Massachusetts
             ------------------------------------------------------
                    (Address of principal executive offices)

                                     02139
             ------------------------------------------------------
                                   (Zip Code)

                                 (617) 374-9800
             ------------------------------------------------------
               Registrant's telephone number, including area code


          Delaware                     0-21040                   06-132-0610
- - ------------------------------         -------                   -----------
(State or other jurisdiction      (Commission File Number)     (IRS Employer 
   of Incorporation                                          Identification No.)
                  
<PAGE>
 
Item 2:  Acquisition or Disposition of Assets; and
- - ---------------------------------------------     
Item 9:  Sales of Equity Securities Pursuant to Regulation S
- - ------------------------------------------------------------

     On November 24, 1997, Cambridge Technology Partners (Massachusetts), Inc.
(the "Company") acquired all of the outstanding share capital and options to
acquire ordinary shares of Peter Chadwick Holdings Limited, a company organized
under the laws of England ("Peter Chadwick") pursuant to that certain Share and
Option Purchase Agreement, dated as of November 24, 1997 (the "Purchase
Agreement"), by and among the Company and the parties listed therein (the
"Acquisition").  In connection with the Acquisition, the Company (a) issued
3,255,731 shares of the Company's common stock for all of the outstanding share
capital and options to acquire ordinary shares of Peter Chadwick and (b) paid an
aggregate of 731.38 pounds sterling to the shareholders and optionholders of
Peter Chadwick in lieu of issuing fractional shares of the Company's common
stock.

     The issuance of shares of the Company's common stock in connection with the
Acquisition was exempt from the registration requirements of Section 5 of the
Securities Act of 1933 (the "Securities Act").  Of the 3,255,731 shares of the
Company's common stock issued to the Peter Chadwick shareholders and
optionholders, (i) 3,117,705 shares of the Company's common stock were issued
pursuant to Regulation S under the Securities Act ("Regulation S") and (ii)
138,026 shares of the Company's common stock were issued pursuant to Regulation
D, Rule 506 under the Securities Act ("Regulation D").  In connection with such
issuance, each Peter Chadwick shareholder and optionholder selling his or her
shares and/or options to purchase ordinary shares of Peter Chadwick (each, a
"Seller") was required to execute a Seller Representation Letter (a "Seller
Representation Letter") with regard to Regulation S or with regard to Regulation
D, as appropriate.  For those Sellers to be issued shares of common stock of the
Company pursuant to Regulation S, each such Seller was required to represent and
warrant, among other things, that he or she was not a "U.S. Person" as defined
in Regulation S and was not acquiring the Company's common stock for the account
or benefit of any U.S. Person and that at all times relevant to the transaction,
such Seller had been outside of the United States.  For those Sellers to be
issued shares of common stock of the Company pursuant to Regulation D, each such
Seller was required to represent and warrant, among other things, as to whether
such Seller was an "accredited investor," as defined in Rule 501(a) under the
Securities Act, that such Seller, either alone or with such Seller's "purchaser
representative," as defined in Rule 501(h) under the Securities Act, had the
requisite knowledge and experience in financial and business matters, that such
Seller was acquiring the Company's common stock for his or her own account and
not with a present intention to resell or otherwise distribute such stock and
that such Seller had received the offering memorandum and related disclosure
materials of the Company and understood and acknowledged that his or her
investment involved risk.  The Seller Representation Letters were required to be
executed and delivered by each Seller on or prior to the closing of the
transaction.  In addition, "Offering Restrictions" (within the meaning of
Regulation S) were implemented.

     In connection with the Acquisition, 325,557 shares of the Company's common
stock issued to the former Peter Chadwick shareholders and optionholders are
being held in escrow

                                     - 2 -
<PAGE>
 
until November 24, 1998 to cover any reimbursable claims under the Purchase
Agreement and related agreements.

     The Company intends to file with the Securities and Exchange Commission, on
or before December 24, 1997, a registration statement on Form S-3 relating to
the resale of all of the 3,255,731 shares of common stock of the Company issued
to the former shareholders and optionholders of Peter Chadwick (including those
shares being held in escrow as described above).  The Company will not receive
any proceeds from any resales of such shares of the Company's common stock.

     The Acquisition will be accounted for under the pooling-of-interests
method.  The purchase price and terms for the Acquisition were determined in
arm's-length negotiations.  The terms of the Acquisition are more fully
described in the Purchase Agreement, the Registration Rights Agreement and the
Escrow Agreement, copies of which are filed as Exhibits 2.1, 2.2 and 2.3,
respectively, to this Report.  The Company expects to incur a one-time charge of
approximately $4.5 million in the fiscal quarter ending December 31, 1997 for
costs related to the Acquisition.  Upon the closing of the transaction, three
officers of Peter Chadwick became executive officers of the Company.  

     Peter Chadwick is a U.K.-based management consulting firm which is a leader
in the implementation of operational strategies and performance improvement
programs.  The Acquisition provides the Company with additional consulting
capabilities, industry experience and geographic reach.  Peter Chadwick's 325
professionals will augment the Company's existing management consulting staff to
create a business unit with approximately 500 professionals worldwide.  Peter
Chadwick also brings additional consulting services, including change
implementation services, to the business unit.  Together, the Company and Peter
Chadwick will have the ability to provide end-to-end business transformation
services to clients by identifying opportunities for business operations change,
implementing those changes and deploying supporting applications.

Item 7.    Financial Statements, Pro Forma Financial Information and Exhibits
           ------------------------------------------------------------------

(a)  Financial Statements of Businesses Acquired.  Not Applicable.

(b)  Pro Forma Financial Information.  Not Applicable.

(c)  Exhibits.

Exhibit No.                             Description
- - -----------                             -----------
   2.1          Share and Option Purchase Agreement, dated as of November 24,
                1997, by and among the Company and the other parties named
                therein (including Schedule 4 attached thereto).
                                   ----------

   2.2          Registration Rights Agreement, dated as of November 24, 1997, by
                and among the Company and the other parties named therein.

   2.3          Escrow Agreement, dated as of November 24, 1997, by and among
                the

                                     - 3 -
<PAGE>
 
                Company and the other parties named therein.

     The Company will provide to the Securities and Exchange Commission, upon
request, a copy of any omitted Schedule or Exhibit to the Exhibits listed above.

                                     - 4 -
<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.

                                    CAMBRIDGE TECHNOLOGY 
                                     PARTNERS (MASSACHUSETTS), INC.


December 8, 1997                   By: /s/ Arthur M. Toscanini
                                      -------------------------------
                                        Arthur M. Toscanini
                                        Chief Financial Officer

                                     - 5 -
<PAGE>
 
                                     Exhibit Index
                                     -------------

Exhibit No.                           Description
- - -----------                           -----------

   2.1          Share and Option Purchase Agreement, dated as of November 24,
                1997, by and among the Company and the other parties named
                therein (including Schedule 4 attached thereto).
                                   ----------

   2.2          Registration Rights Agreement, dated as of November 24, 1997, by
                and among the Company and the other parties named therein.

   2.3          Escrow Agreement, dated as of November 24, 1997, by and among
                the Company and the other parties named therein.

                                     - 6 -

<PAGE>

                                                                     EXHIBIT 2.1


                      SHARE AND OPTION PURCHASE AGREEMENT


                                  BY AND AMONG


              CAMBRIDGE TECHNOLOGY PARTNERS (MASSACHUSETTS), INC.,


                            THE PERSONS AND ENTITIES
                              NAMED ON SCHEDULE 1


                                      AND


                           THE SELLER REPRESENTATIVES

                         Dated as of November 24, 1997


  THE SHARES OF COMMON STOCK OF CAMBRIDGE TECHNOLOGY PARTNERS (MASSACHUSETTS),
   INC. ISSUED TO THE PERSONS AND ENTITIES NAMED ON SCHEDULE 1 HAVE NOT BEEN
   REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE
"SECURITIES ACT"), AND ARE SUBJECT TO RESTRICTIONS ON TRANSFERABILITY AND RESALE
   AND MAY NOT BE OFFERED OR SOLD IN THE UNITED STATES OR TO U.S. PERSONS (AS
    DEFINED IN RULE 902(0) UNDER THE SECURITIES ACT) UNLESS SUCH SHARES ARE
   REGISTERED UNDER THE SECURITIES ACT OR AN EXEMPTION FROM THE REGISTRATION
      REQUIREMENTS OF THE SECURITIES ACT IS AVAILABLE AND UNLESS THE OTHER
  RESTRICTIONS ON TRANSFER CONTAINED IN THE AGREEMENTS REFERRED TO HEREIN ARE
                                 COMPLIED WITH.
<PAGE>
 
                      SHARE AND OPTION PURCHASE AGREEMENT

                               TABLE OF CONTENTS


<TABLE> 
<CAPTION> 

<S>                                                                <C>  
ARTICLE I

  DEFINITIONS......................................................1.
  Section 1.1  Definitions.........................................1.
               -----------     

ARTICLE II

  PURCHASE AND SALE; APPOINTMENT OF SELLER REPRESENTATIVES.........5.
  Section 2.1  Purchase and Sale...................................5.
               -----------------                          
  Section 2.2  Closing.............................................5.
               -------    
  Section 2.3  Seller Representatives; Paying Agent................8.
               ------------------------------------       

ARTICLE III

  REPRESENTATIONS AND WARRANTIES OF PARENT.........................9.
  Section 3.1  Organization and Qualification......................9.
               ------------------------------             
  Section 3.2  Capitalization......................................9.
               --------------                             
  Section 3.3  Authority Relative to this Agreement................9.
               ------------------------------------       
  Section 3.4  Non-Contravention...................................10.
               -----------------                           
  Section 3.5  Reports and Financial Statements....................10.
               --------------------------------            
  Section 3.6  Validity of Parent Common Stock.....................10.
               -------------------------------             
  Section 3.7  Consents and Approvals of Governmental Authorities..10.
               --------------------------------------------------     
  Section 3.8  Absence of Certain Changes or Events................10.
               ------------------------------------        
  Section 3.9  Offering Memorandum.................................10.
               -------------------                         
  Section 3.10  Disclosure.........................................11.
                ----------                                 

ARTICLE IV

  REPRESENTATIONS AND WARRANTIES OF THE SELLERS....................11.
  Section 4.1  Organization and Qualification......................11.
               ------------------------------              
  Section 4.2  Capitalization......................................12.
               --------------                              
  Section 4.3  Subsidiaries........................................13.
               ------------                                
  Section 4.4  Non-Contravention...................................13.
               -----------------                           
  Section 4.5  Required Consents...................................14.
               -----------------                           
  Section 4.6  Financial Statements and Reports; Insolvency........14.
               --------------------------------------------     
  Section 4.7  Title to Properties and Assets......................16.
               ------------------------------              
  Section 4.8  Absence of Certain Changes or Events................16.
               ------------------------------------        
  Section 4.9  Disclosure of Liabilities...........................17.
               -------------------------                   
  Section 4.10  Accounts, Notes and Receivables....................18.
                -------------------------------            
  Section 4.11  Litigation.........................................18.
                ----------                                 
  Section 4.12  Agreements.........................................18.
                ----------                                 
  Section 4.13  Licenses and Permits...............................19.
                --------------------                       
  Section 4.14  Intellectual Property..............................20.
                ---------------------                      
  Section 4.15  Employees..........................................21.
                ---------                                  
</TABLE> 
                                     - 2 -
<PAGE>
 
<TABLE> 

<S>                                                                <C>  
  Section 4.16  Enforceability of Contracts, etc...................23.
                ---------------------------------     
  Section 4.17  Taxes..............................................23.
                -----     
  Section 4.18  Insurance..........................................28.
                ---------                                  
  Section 4.19  Books and Records..................................28.
                -----------------                          
  Section 4.20  Compliance with Governmental Regulations...........28.
                ----------------------------------------     
  Section 4.21  Environmental Compliance...........................29.
                ------------------------                   
  Section 4.22  Fire, Flood, Accident, Etc.........................29.
                ---------------------------                
  Section 4.23  Real Estate........................................29.
                -----------                                
  Section 4.24  Bank Accounts......................................29.
                -------------                              
  Section 4.25  Pensions; Employee Plans...........................30.
                ------------------------                   
  Section 4.26  Finders; Fees......................................32.
                -------------                              
  Section 4.27  Commercial Position................................32.
                -------------------                        
  Section 4.28  Conflicts of Interest..............................32.
                ---------------------                      
  Section 4.29  Restrictive Agreements.............................33.
                ----------------------                     
  Section 4.30  Consumer Trade, Anticompetitive and Other 
                -----------------------------------------  
                Practices..........................................33.
                ---------
  Section 4.31  Notice of Official Action..........................33.
                -------------------------                  
  Section 4.32  Offering Memorandum................................33.
                -------------------                        

ARTICLE V

  SEVERAL REPRESENTATIONS AND WARRANTIES OF EACH SELLER............34.

ARTICLE VI

  COVENANTS........................................................35.
  Section 6.1  Public Announcements................................35.
               --------------------                        
  Section 6.2  Pooling.............................................35.
               -------     
  Section 6.3  Parent Protective Provisions........................35.
               ----------------------------                

ARTICLE VII

  SURVIVAL OF REPRESENTATIONS, WARRANTIES AND COVENANTS; REIMBURSEMENT OF
    PARENT.........................................................37.
  Section 7.1  Reimbursement of Parent.............................37.
               -----------------------                     
  Section 7.2  Survival of Representations and Warranties and 
               ----------------------------------------------
               Covenants...........................................38. 
               ---------
  Section 7.3  Limitations.........................................38.
               -----------                                 
  Section 7.4  Other Limitations...................................39.
               -----------------                           
  Section 7.5  Reimbursement Procedure.............................40.
               -----------------------                     

ARTICLE VIII

  GENERAL PROVISIONS...............................................43.
  Section 8.1  Notices.............................................43.
               -------     
  Section 8.2  Headings............................................44.
               --------     
  Section 8.3  Entire Agreement; Assignment........................44.
               ----------------------------                
  Section 8.4  Parties in Interest.................................44.
               -------------------                         
  Section 8.5  Validity............................................44.
               --------     
  Section 8.6  Counterparts; Binding Agreement.....................44.
               -------------------------------             
  Section 8.7  Expenses............................................44.
               --------     

</TABLE> 
                                     - 3 -
<PAGE>
 
<TABLE> 

<S>                                                                <C> 
  Section 8.8  Further Assurances..................................44.
               ------------------                          
  Section 8.9  Governing Law.......................................45.
               -------------                               
  Section 8.10  Consent to Jurisdiction............................45.
                -----------------------                    
  Section 8.11  "Knowledge" Defined................................45.
                -------------------                        
  Section 8.12  Amendment..........................................45.
                ---------                                  
  Section 8.13  Waiver.............................................45.
                ------     
  Section 8.14  Participation in Parent's Stock Option Program.....45.
                ----------------------------------------------     
  Section 8.15  Termination of Shareholders' Agreement.............45.
                --------------------------------------     
  Section 8.16  Employee Benefit Trust.............................45.
                ----------------------                     
  Section 8.17  Deed Relating to Taxation..........................46.
                -------------------------                  

ARTICLE IX

  SELLERS' DIVIDEND ESCROW AND SELLER REPRESENTATIVES..............46.
  Section 9.1  Seller Representatives..............................46.
               ----------------------     
  Section 9.2  Authorized Actions..................................46.
               ------------------     
  Section 9.3  Required Vote.......................................46.
               -------------     
  Section 9.4  Reliance............................................46.
               --------     
  Section 9.5  Exculpation.........................................46.
               -----------     
  Section 9.6  Appointment.........................................47.
               -----------     
  Section 9.7  Authority...........................................47.
               ---------     
  Section 9.8  Further Assurances..................................47.
               ------------------     
  Section 9.9  Indemnification.....................................48.
               ---------------     
  Section 9.10  Dividend...........................................48.
                --------     
  Section 9.11  Sellers' Dividend Escrow...........................48.
                ------------------------     
  Section 9.12  Payment............................................48.
                -------     
  Section 9.13  Pro Rata Payment...................................48.
                ----------------     
  Section 9.14  Distribution.......................................49.
                ------------     
</TABLE> 

SIGNATURES

SCHEDULES

SCHEDULE 1   Outstanding Share and Options
SCHEDULE 2   Consideration Stock; Cash Consideration
SCHEDULE 3   Names and Addresses of Shareholders and Optionholders
SCHEDULE 4   Deed Relating to Taxation
SCHEDULE 5   Protection Periods
SCHEDULE 6   Dividends


EXHIBITS

EXHIBIT A        Form of Escrow Agreement
EXHIBIT B        Form of Registration Rights Agreement
EXHIBIT C        Form of Share Indemnity
EXHIBIT D        Form of Stock Transfer
EXHIBIT E        Form of Parent Power of Attorney
EXHIBIT F        Form of Irrevocable Power of Attorney

                                     - 4 -
<PAGE>
 
EXHIBIT G        Form W-8
EXHIBIT H        Substitute Form W-9
EXHIBIT I        Form of Option Indemnity
EXHIBIT J        Form of Option Transfer

                                     - 5 -
<PAGE>
 
                      SHARE AND OPTION PURCHASE AGREEMENT


Share and Option Purchase Agreement (this "Agreement"), dated as of November 24,
1997, by and among Cambridge Technology Partners (Massachusetts), Inc., a
Delaware corporation ("Parent"), the persons and entities listed on Schedule 1
                                                                    ----------
hereto (referred to collectively herein as the "Sellers," and each individually
as a "Seller") and Quentin Baer, Ian Clarkson and Malcolm Glyn (referred to
collectively herein as the "Seller Representatives" and each individually as a
"Seller Representative").

WHEREAS, Parent is offering to acquire all of the allotted shares of Peter
Chadwick Holdings Limited, a company organized under the laws of England (the
"Company"), as at the date of this Agreement, on terms which are the same for
the Sellers within each class of shares in the Company, being on the terms and
conditions of this Agreement;

WHEREAS, Parent is also offering to acquire all of the outstanding Options of
the Company on the terms and conditions of this Agreement; and

WHEREAS, after the acquisition, Parent plans to integrate the Company into its
international holding company structure pursuant to which, in general, Parent's
non-U.S. operations are conducted through corporations owned by CTP
International and its directly owned subsidiaries - CTP Europe, CTP Asia/Pacific
and CTP Latin America, and Parent plans to contribute the shares of the Company
as soon as practicable to a limited liability company owned by CTP Europe,
although Parent is not legally obligated to make such transfer and CTP Europe
has no legal right to the shares of the Company.

NOW, THEREFORE, in consideration of the premises and of the covenants,
representations, warranties and agreements herein contained, the parties hereto
agree as follows:


                                   ARTICLE I

                                  DEFINITIONS

Section 1.1  Definitions.
             ----------- 

(a)  The following terms, as used herein, have the following meanings:

     "A Preference Shares" means Class A preference shares, nominal value
      -------------------                                                
     (Pounds)0.10 each, in the capital of the Company.

     "Affiliate" means any person or entity directly or indirectly controlling
      ---------                                                               
     or controlled by, or under direct or indirect common control with, the
     person specified.

     "B Preference Shares" means Class B preference shares, nominal value
      -------------------                                                
     (Pounds)0.10 each, in the capital of the Company.

     "Balance Sheet" means the audited consolidated balance sheet of the Company
      -------------                                                             
     as of June 30, 1997.

     "Balance Sheet Date" means June 30, 1997.
      ------------------                      


                                     - 6 -
<PAGE>
 
     "Benefit Arrangement" means any plan or arrangement providing for insurance
      -------------------                                                       
     coverage (including any self-insured arrangements), workers' compensation,
     disability benefits, supplemental unemployment benefits, vacation benefits,
     pension or retirement benefits or for deferred compensation, profit-
     sharing, bonuses, stock options, stock appreciation rights or other forms
     of incentive compensation or post-retirement insurance, compensation or
     benefits that is maintained or contributed to by the Company or any of its
     Subsidiaries.

     "CAA" means the United Kingdom Capital Allowances Act 1990.
      ---                                                       

     "Code" means the United States Internal Revenue Code of 1986, as amended.
      ----                                                                    

     "Companies Act" means the United Kingdom Companies Act 1985.
      -------------                                              

     "Exchange Act" means the United States Securities Exchange Act of 1934, as
      ------------                                                             
     amended.

     "Exchange Rate" means US$1.65 for each (Pounds)1.00 for converting pounds
      ---------                                                               
     sterling to U.S. dollars and (Pounds)0.6061 for each US$1.00 for converting
     U.S. dollars to pounds sterling.

     "Group Company" means Parent and any of its Subsidiaries.
      -------------                                           

     "Options" means the options in respect of Ordinary Shares, details of all
      -------                                                                 
     of which are set forth on Schedule 1.
                               ---------- 

     "Ordinary Shares" means ordinary shares, nominal value (Pounds)1.00 each,
      ---------------                                                         
     in the capital of the Company.

     "Parent Common Stock" means Common Stock, $0.01 par value per share, of
      -------------------                                                   
     Parent.

     "Paying Agent" means Macfarlanes of 10 Norwich Street, London EC4A 1BD
      ------------                                                         
     England.

     "Preferred Shares" means preferred shares, nominal value (Pounds)1.00 each,
      ----------------                                                          
     in the capital of the Company.

     "Pro Rata Share" with respect to any Seller means the percentage obtained
      --------------                                                          
     by dividing the number of shares of Parent Common Stock delivered to the
     Escrow Agent at the Closing on behalf of such Seller pursuant to Section
     2.2(a) hereof by the aggregate number of shares of Parent Common Stock
     delivered to the Escrow Agent at Closing on behalf of all Sellers pursuant
     to Section 2.2(a) hereof.

     "Purchaser Ancillary Agreements" means each and both of the Escrow
      ------------------------------                                   
     Agreement and the Registration Rights Agreement.

     "Securities Act" means the United States Securities Act of 1933, as
      --------------                                                    
     amended.

     "Seller Ancillary Agreements" means each and all of the Escrow Agreement,
      ---------------------------                                             
     the Power of Attorney, the Seller Representation Letter, the Affiliate
     Letter, the Parent Power of Attorney and the Registration Rights Agreement.

                                     - 7 -
<PAGE>
 
     "Shares" means the A Preference Shares, the B Preference Shares, the
      ------                                                             
     Preferred Shares and the Ordinary Shares.

     "Subsidiaries" means any corporation or other entity of which securities or
      ------------                                                              
     other ownership interests possessing voting power sufficient to elect a
     majority of its Board of Directors or similar body are, at the time which
     any determination is being made, beneficially owned, directly or
     indirectly, by Parent or the Company, as the case may be.

     "Taxes Act" means the United Kingdom Income and Corporation Taxes Act 1988.
      ---------                                                                 

     "TCGA" means the United Kingdom Taxation of Chargeable Gains Act 1992.
      ----                                                                 

     "VAT Act" means the United Kingdom Value Added Tax Act 1994.
      -------                                                    

(b)  Each of the following terms is defined in the Section of this Agreement set
     forth opposite such term:


                                     - 8 -
<PAGE>
 
<TABLE>
<CAPTION>

Term                                                Section
- - ----                                                -------
<S>                                                 <C>      
Affiliate Letter                                    2.2(d)(xv)
Agreed Claims                                       7.5(e)
Agreement                                           Preamble
Approved                                            4.25(a)(ii)
Article IV Loss                                     7.1(a)
Baer Service Agreement                              2.2(c)(ii)
Certificate                                         7.5(a)
Clarkson Service Agreement                          2.2(c)(iii)
Closing                                             2.2
Closing Date                                        2.2
Commission                                          3.5
Company                                             Preamble
Company Audited Financial Statements                4.6(a)
Company Unaudited Financial Statements              4.6(a)
Consideration Stock                                 2.1
Deed Relating to Taxation                           8.17
Disclosed Scheme                                    4.25(a)(i)
Environment                                         4.21
Escrow Agent                                        2.2(a)
Escrow Agreed Claim                                 7.5(e)
Escrow Agreement                                    2.2(a)
Escrow Certificate                                  7.5(b)
Escrow Shares                                       2.2(a)
Expense Loss                                        7.1(e)
Individual Seller Certificate                       7.5(b)
Intellectual Property                               4.14(a)
Knowledge                                           8.11
Legal Advisers                                      9.5
Loss                                                7.1(b)
Memorandum and Articles of Incorporation            4.1(b)
Offering Memorandum                                 3.9
Other Options                                       4.2(a)
Parent                                              Preamble
Parent Power of Attorney                            2.2(d)(i)
Payment Claim                                       7.5(a)
Performance Vested Options                          4.2(a)
Permits                                             4.13(a)
Pollution of the Environment                        4.21
Power of Attorney                                   2.2(d)(v)
Principal Agreements                                9.1(a)
Purchase Price                                      2.1
Registration Rights Agreement                       2.2(c)(i)
Reimbursement Threshold                             7.3(a)
Reimbursing Party                                   7.5(a)
relevant benefit                                    4.25(a)(iii)
Reports                                             3.5
Required Consent                                    4.5
</TABLE> 


                                     - 9 -
<PAGE>
 
Reserved Losses                                     7.3(b)
return                                              4.17(a)
Seller                                              Preamble
Seller Disclosure Schedule                          ARTICLE IV Preamble
Sellers Dividend Escrow                             9.11
Seller Representation Letter                        2.2(d)(xiv)
Seller Representatives                              Preamble
Seller Specific Loss                                7.1(d)
Sellers                                             Preamble
Shareholders Agreement                              8.14(i)
tax                                                 4.17(a)
Tax Loss                                            7.1(c)
Termination Date                                    6.3(a)
trustees                                            4.25(a)(iv)

                                   ARTICLE II

            PURCHASE AND SALE; APPOINTMENT OF SELLER REPRESENTATIVES

Section 2.1  Purchase and Sale.  Upon the terms and subject to the conditions of
             -----------------                                                  
this Agreement, each Seller, severally but not jointly, agrees to sell to
Parent, and Parent agrees to purchase from each such Seller, at the Closing,
that number of Shares and Options as is set forth opposite such Seller's name on
                                                                                
Schedule 1.  The purchase price (the "Purchase Price") for the Shares and the
- - ----------                                                                   
Options to be purchased pursuant to this Section 2.1 shall be (i) 3,255,731
shares of Parent Common Stock, allocated as follows:  (A) for the Shares, 1)
0.0458 shares of Parent Common Stock for each outstanding A Preference Share, 2)
0.0458 shares of Parent Common Stock for each outstanding B Preference Share, 3)
1.9681 shares of Parent Common Stock for each outstanding Preferred Share and 4)
1.9681 shares of Parent Common Stock for each outstanding Ordinary Share and (B)
for the Options, the number of Shares of Parent Common Stock all as more
particularly set forth opposite each holder of Option's name on Schedule 2 under
                                                                ----------      
the headings "Number of Shares of Parent Common Stock Delivered at Closing in
Respect of Options" and "Number of Escrow Shares of Parent Common Stock
Delivered at Closing in Respect of Options" and (ii) cash in lieu of fractional
shares in the amount set forth opposite such Seller's name on Schedule 2 under
                                                              ----------      
the heading "Cash Delivered at Closing" payable by wire transfer of funds to the
account or accounts of the Paying Agent notified to Parent in writing at least
two business days prior to the Closing Date for disbursement to the Sellers.
The aggregate number of shares of Parent Common Stock to be paid to the Sellers
as described in this Section 2.1 shall be referred to herein as the
"Consideration Stock" and the allocation between the Sellers is more
particularly set out in Schedule 2.  The Consideration Stock shall be delivered
as provided in Section 2.2.

Section 2.2  Closing.  The closing (the "Closing") of the purchase and sale of
             -------                                                          
the Shares and Options hereunder shall take place on the date of this Agreement
at such time and at such place in London, England as may be agreed by Parent and
the Seller Representatives (on behalf of the Sellers).  The date of the Closing
is hereinafter referred to as the "Closing Date."  At the Closing,

(a)  Parent shall issue (i) to each Seller (through the Paying Agent) a
     certificate representing Parent Common Stock, registered in the name of
     such Seller, for the aggregate number of shares of Parent Common Stock set
     forth opposite such Seller's name on Schedule 2 under the headings "Number
                                          ----------                           
     of Shares of Parent Common Stock Delivered at Closing in Respect of Shares"
     and "Number of 

                                    - 10 -
<PAGE>
 
     Shares of Parent Common Stock Delivered at Closing in Respect of Options"
     and (ii) to the Paying Agent (for and on behalf of each Seller) which will
     in turn give to Mellon Bank, N.A. (the "Escrow Agent") in respect of each
     Seller a certificate showing such Seller as the holder of the shares of
     Parent Common Stock (the "Escrow Shares") as set forth on Schedule 2 under
                                                               ----------
     the headings "Number of Escrow Shares of Parent Common Stock Delivered at
     Closing in Respect of Shares" and "Number of Escrow Shares of Parent Common
     Stock Delivered at Closing in Respect of Options," which shares will be
     registered in the name of such Seller, to be applied by the Escrow Agent by
     way of security in accordance with the terms and provisions of an Escrow
     Agreement in the form attached hereto as Exhibit A (the "Escrow Agreement")
                                              ---------
     being executed and delivered simultaneously with this Agreement by or on
     behalf of each of Parent, the Sellers, the Seller Representatives and the
     Escrow Agent. The delivery of the Escrow Shares shall be made by the Paying
     Agent on behalf of the Sellers in accordance with the provisions hereof,
     with the same force and effect as if such Escrow Shares had been delivered
     by Parent directly to the Sellers and subsequently delivered by the Sellers
     to the Escrow Agent. Notwithstanding the foregoing, Parent shall not
     deliver any shares of Parent Common Stock pursuant to clause (i) to any
     Seller who has not executed and delivered this Agreement, but shall deliver
     those shares to the Company to be registered in the name of the Company and
     held in trust on behalf of such Seller in accordance with Part XIIIA of the
     Companies Act.

(b)  Parent shall deliver to each Seller entitled thereto (through the Paying
     Agent) cash as provided in Section 2.1 hereof.

(c)  Parent shall deliver to the Sellers (through the Paying Agent) the
     following:

     (i)   A Registration Rights Agreement (the "Registration Rights Agreement")
           executed by Parent in the form of Exhibit B attached hereto;
                                             ---------                 

     (ii)  A Service Agreement with Quentin Baer (the "Baer Service Agreement")
           executed by Parent and the Company in the agreed form;

     (iii) A Service Agreement with Ian Clarkson (the "Clarkson Service
           Agreement") executed by Parent and the Company in the agreed form;

     (iv)  the Escrow Agreement executed by Parent and Mellon Bank S.A. as
           Escrow Agents;

     (v)   (A)  the Certificate of Incorporation of Parent, certified as of a
                recent date by the Secretary of State of the State of Delaware,
                and (B) a certificate of said Secretary dated as of a recent
                date as to the due incorporation and good standing of Parent and
                listing all documents on file with said Secretary;

     (vi)  a certificate of the Secretary or an Assistant Secretary of Parent
           dated the Closing Date and certifying: (A) that attached thereto is a
           true and complete copy of the By-laws of Parent as in effect on the
           Closing Date; (B) that attached thereto is a true and complete copy
           of all resolutions adopted by the Board of Directors or the
           shareholders of Parent authorizing the execution, delivery and
           performance of this Agreement and the Purchaser Ancillary Agreements
           and that all such resolutions are in full force and effect and are
           all the resolutions adopted in connection with the transactions
           contemplated by this Agreement and the Purchaser Ancillary
           Agreements; (C) that the Certificate of Incorporation of Parent has
           not been amended since the date of the last amendment referred to in
           the 

                                    - 11 -
<PAGE>
 
           certificate delivered pursuant to clause (v)(B) above; and (D) to the
           incumbency and specimen signature of each officer of Parent executing
           this Agreement and each Purchaser Ancillary Agreement and any
           certificate or instrument furnished pursuant hereto, and a
           certification by another officer of Parent as to the incumbency and
           signature of the officer signing the certificate referred to in this
           clause; and

     (vii) evidence Parent has received a pooling letter from Coopers & Lybrand
           L.L.P. confirming that it is appropriate for Parent to account for
           the acquisition of the Company and its Subsidiaries contemplated
           hereby as a "pooling of interests" under applicable rules and
           regulations of the Commission.

(d)  The Sellers (through the Paying Agent) shall deliver to Parent the
     following:

     (i)    Certificates for all of the Shares held by each of the Sellers (or a
            Share Indemnity in respect thereof in the form of Exhibit C attached
                                                              ---------         
            hereto), together with duly executed stock transfer forms in the
            form of Exhibit D attached hereto in favor of Parent in respect of
                    ---------
            them, and a power of attorney from each of the Sellers for purposes
            of vesting the Shares of each of the Sellers in Parent in the form
            of Exhibit E attached hereto in respect of them (the "Parent Power
               --------- 
            of Attorney");

     (ii)   The Registration Rights Agreement executed by or on behalf of each
            Seller;

     (iii)  The Escrow Agreement executed by or on behalf of each Seller and by
            the Seller Representatives;

     (iv)   Notices of resignation of the existing auditors of the Company and
            each of its Subsidiaries containing a statement to the effect
            specified in Section 390(2)(a) of the Companies Act that there are
            no circumstances connected with their ceasing to hold office which
            they consider should be brought to the attention of the shareholders
            or creditors of the Company or any of its Subsidiaries and an
            acknowledgment that they have no claims against the Company or its
            Subsidiaries whether in respect of fees or otherwise (other than as
            set forth in such notices in respect of fees and expenses relating
            to the transactions contemplated by this Agreement);

     (v)    A copy of a properly completed Irrevocable Power of Attorney (the
            "Power of Attorney") in the form of Exhibit F attached hereto
                                                ---------
            executed by each Seller on whose behalf this Agreement and/or any of
            the Seller Ancillary Agreements have been executed and delivered by
            an attorney;

     (vi)   An undertaking by the Special Committee of the Company not to
            accelerate the exercisability of any Options or take any other
            action or actions which would prohibit the Options from lapsing in
            accordance with the Rules pursuant to which they were granted prior
            to becoming exercisable in any respect;

     (vii)  All Required Consents;

     (viii) A certificate of the Secretary or an Assistant Secretary of the
            Company dated the Closing Date and certifying that attached thereto
            is a true and complete copy of the Memorandum and Articles of
            Association of the Company as of the Closing Date;


                                    - 12 -
<PAGE>
 
     (ix)   A properly executed statement from the Company satisfying the
            requirements of United States Treasury Regulation Sections 1.897-
            2(h) and 1.1445-2(c)(3);


     (x)    The resignation, executed as a deed in a form reasonably
            satisfactory to Parent, of Mr. Dohmen as a director of the Company;

     (xi)   A properly completed and executed (A) United States tax Form W-8 in
            the form of Exhibit G attached hereto or (B) United States
                        ---------
            substitute tax Form W-9 in the form of Exhibit H attached hereto, as
                                                   ---------
            appropriate;

     (xii)  Option Agreements or Certificates representing all of the Options
            (or an Option Indemnity in respect thereof in the form of Exhibit I
                                                                      --------- 
            attached hereto), together with duly executed option transfer forms
            in the form of Exhibit J attached hereto in favor of Parent in
                           ---------
            respect of them;

     (xiii) A copy of the Resolution amending the Articles of Association of the
            Company to permit the transfer of the Shares to Parent pursuant to
            the terms of this Agreement;

     (xiv)  The appropriate Seller Representation Letter in the agreed form
            executed by each Seller (the "Seller Representation Letter"); and

     (xv)   An Affiliate Letter in the agreed form (the "Affiliate Letter")
            executed by each affiliate of the Company.

(e)  Quentin Baer shall execute and deliver to Parent the Baer Service
     Agreement;

(f)  Ian Clarkson shall execute and deliver to Parent the Clarkson Service
     Agreement; and

(g)  The Sellers will procure that the following business is transacted at
     meetings of the directors of the Company and each of the Company's
     Subsidiaries, as applicable, immediately upon the Closing:

     (i)    the directors of the Company will approve the transfers of the
            Shares for registration and the entry of Parent in the register of
            members of the Company, in each case subject only to the transfers
            being subsequently presented duly stamped;

     (ii)   the accounting reference date of the Company and each of the
            Subsidiaries will be changed to December 31, with effect from
            December 31, 1997;

     (iii)  any person nominated by Parent for appointment as a director or
            officer of the Company will be so appointed; and

     (iv)   the directors of the Company and each of its Subsidiaries will
            approve the appointment of Coopers & Lybrand L.L.P. as auditors for
            the Company and each of its Subsidiaries, subject to necessary
            written consent of the proposed appointees.


                                    - 13 -
<PAGE>
 
Section 2.3  Seller Representatives; Paying Agent.
             ------------------------------------ 

(a)  Each Seller hereby appoints each of Quentin Baer, Ian Clarkson and Malcolm
     Glyn to act on behalf of such Seller as Seller Representatives within the
     meaning of, and in accordance with the terms and conditions of, this
     Agreement, the Escrow Agreement and the Registration Rights Agreement as
     further provided in Article IX.  None of Parent, the Company or any of its
     Subsidiaries shall be responsible for or bear any expenses or costs of the
     Seller Representatives.  Each Seller Representative hereby agrees to do
     such acts and execute such further documents, as shall be necessary to
     carry out the provisions of this Agreement and the Escrow Agreement with
     respect to the Seller Representatives.

(b)  Parent and each Seller hereby appoint Macfarlanes, 10 Norwich Street,
     London EC4A 1BD, England as Paying Agent within the meaning of, and in
     accordance with the terms and conditions of, this Agreement and the Escrow
     Agreement.  For the avoidance of doubt, the Paying Agent shall not be
     responsible for any withholding of Consideration Stock or cash for United
     States tax purposes or otherwise.  Any United States tax withholding (or
     any other withholding required by law) may be made by Parent, and Parent is
     hereby authorized to make such withholding in respect of any Seller, and to
     make adjustments as may be necessary to any Schedule hereunder in
     connection with such withholding.


                                  ARTICLE III

                   REPRESENTATIONS AND WARRANTIES OF PARENT

Parent represents and warrants to the Sellers as follows:

Section 3.1  Organization and Qualification. Parent is a corporation duly
             ------------------------------                              
organized, validly existing and in good standing under the laws of the State of
Delaware, USA and has the requisite corporate power and all material
governmental licenses, authorizations, consents and approvals required to carry
on its business as it is now being conducted.  Parent is duly qualified as a
foreign corporation to do business, and is in good standing, in each
jurisdiction where the character of its properties owned or leased or the nature
of its activities makes such qualification necessary, except where the failure
to be so qualified would not have, individually or in the aggregate, a material
adverse effect on the business, assets, condition (financial or otherwise) or
result of operations of Parent and its Subsidiaries taken as a whole.

Section 3.2  Capitalization.  The authorized capital stock of Parent consists
             --------------                                                  
of:  (i) 2,000,000 shares of preferred stock, $.01 par value per share, of which
100,000 shares have been designated Series A Junior Participating Preferred
Stock ("Series A Preferred") and of which 1,900,000 shares remain undesignated,
and (ii) 120,000,000 shares of Parent Common Stock.  As of October 31, 1997, (i)
no shares of preferred stock of Parent were issued or outstanding or held in
Parent's treasury, (ii) 50,478,879 shares of Parent Common Stock were validly
issued and outstanding, fully paid and nonassessable and (iii) 13,594,206 shares
of Parent Common Stock were reserved for issuance pursuant to Parent's stock
option and stock purchase plans for its employees and directors. Except for
options relating to shares described in clause (iii) of the preceding sentence,
rights to purchase shares of Series A Preferred pursuant to the Company's Rights
Plan (as described in the Reports), outstanding warrants to purchase up to
900,000 shares of Parent Common Stock at US$2.00 per share and except as set
forth in the Reports or arising from this Agreement, there are no options,
warrants or other rights, agreements or commitments (contingent or otherwise)
obligating Parent to issue shares of its capital stock or any other securities
convertible into or evidencing 

                                    - 14 -
<PAGE>
 
the right to subscribe for shares of its capital stock. Parent currently intends
to adopt a 1997 Stock Option Plan which will provide for the issuance of options
to acquire up to 450,000 shares of Parent Common Stock.

Section 3.3  Authority Relative to this Agreement.  Parent has the requisite
             ------------------------------------                           
corporate power and authority to enter into this Agreement and the Purchaser
Ancillary Agreements and to carry out its obligations hereunder and thereunder.
The execution and delivery of this Agreement and the Purchaser Ancillary
Agreements and the consummation of the transactions contemplated hereby and
thereby have been duly authorized by the Board of Directors of Parent and no
other corporate proceedings on the part of Parent are necessary to authorize
this Agreement and the Purchaser Ancillary Agreements and the transactions
contemplated hereby and thereby.  This Agreement and each of the Purchaser
Ancillary Agreements have been duly and validly executed and delivered by Parent
and, assuming this Agreement and each of the Purchaser Ancillary Agreements
constitute valid and binding obligations of each of the other parties thereto,
each of this Agreement and the Purchaser Ancillary Agreements constitutes a
valid and binding agreement of Parent, enforceable against Parent in accordance
with its respective terms.

Section 3.4  Non-Contravention.  Assuming the accuracy and completeness of the
             -----------------                                                
representations and warranties of the Sellers herein and in the Seller Ancillary
Agreements and compliance with the filings and other requirements specified in
Section 3.7 hereof, Parent is not subject to or obligated under any charter, by-
law or contract provision or any license, franchise or permit, or any order,
writ, injunction, decree, statute, rule or regulation which would be breached or
violated or in respect of which a right of acceleration would be created by its
executing and carrying out this Agreement and the Purchaser Ancillary
Agreements, other than any such breach, violation or right which would not have,
individually or in the aggregate, a material adverse effect on the business,
assets, condition (financial or otherwise) or result of operations of Parent and
its Subsidiaries taken as a whole, or the ability of Parent to consummate the
transactions contemplated by this Agreement and the Purchaser Ancillary
Agreements.

Section 3.5  Reports and Financial Statements.  Parent has previously furnished
             --------------------------------                                  
to the Sellers true and correct copies of (i) its Form 10-K for the period ended
December 31, 1996, (ii) its Quarterly Report on Form 10-Q for the period ended
September 30, 1997, and (iii) all other reports or registration statements filed
by it with the United States Securities and Exchange Commission (the
"Commission") under the Exchange Act since January 1, 1997 (collectively, the
"Reports").  As of their respective dates, the Reports complied in all material
respects with the then applicable published rules and regulations of the
Commission with respect thereto at the date of their issuance.  As of the date
hereof, no additional filings or amendments to previously filed Reports are
required pursuant to such rules and regulations except as specified in Section
3.7 hereof.  Each of the audited consolidated financial statements and unaudited
interim financial statements included in the Reports has been prepared in
accordance with United States generally accepted accounting principles applied
on a consistent basis (except as may be indicated therein or in the notes
thereto) and fairly presents the financial position of the entity or entities to
which it relates as at its date or the results of operations, stockholders'
equity or cash flows of the entity or entities to which it relates for the
indicated periods, subject to normal year-end adjustments and any other
adjustments described therein.

Section 3.6  Validity of Parent Common Stock.  The shares of Parent Common Stock
             -------------------------------                                    
to be issued to the Sellers will, when issued in accordance with this Agreement,
be validly issued, fully paid and nonassessable.  The Parent Common Stock is
registered under the Exchange Act.  The Consideration Stock is approved for
listing on the Nasdaq National Market.

                                    - 15 -
<PAGE>
 
Section 3.7  Consents and Approvals of Governmental Authorities.  Assuming the
             --------------------------------------------------               
accuracy of the representations and warranties of the Sellers herein and in the
Seller Ancillary Agreements, except for (a) the requirements of United States
state securities (or "Blue Sky") laws and non-United States securities laws, (b)
the filing of appropriate documents with the Nasdaq National Market, (c) the
filing of any required Form 8-K with the Commission, (d) filings contemplated by
the Registration Rights Agreement, and (e) the filing of a Form D with the
Commission, if applicable, no consent, approval or authorization of, or
declaration, filing or registration with, any governmental or regulatory
authority is required to be made or obtained by Parent in connection with the
execution, delivery and performance of this Agreement or the consummation of the
transactions contemplated hereby.

Section 3.8  Absence of Certain Changes or Events.  Since September 30, 1997,
             ------------------------------------                            
there has not been any material adverse change in the business, assets,
condition (financial or otherwise), results of operations or prospects of Parent
and its Subsidiaries, taken as a whole.

Section 3.9  Offering Memorandum.  The information regarding Parent and its
             -------------------                                           
Subsidiaries and the officers, directors and shareholders of Parent and its
Subsidiaries included in the Offering Memorandum sent to the Sellers in
connection with this Agreement and the transactions contemplated hereby (such
Offering Memorandum as amended or supplemented is referred to herein as the
"Offering Memorandum") did not, on the date the Offering Memorandum (or any
amendment thereof or supplement thereto) was first mailed to the Sellers and at
the Closing, contain any statement which, in light of the circumstances under
which it was made, was or is false or misleading with respect to any material
fact, or omit to state any material fact necessary in order to make the
statements made therein not false or misleading, or omit to state any material
fact necessary to correct any statement in any earlier communication with the
Sellers in connection with this Agreement or the transactions contemplated
hereby which has become materially false or misleading.  Notwithstanding the
foregoing, for the avoidance of doubt Parent makes no representation or warranty
with respect to any information regarding the Company, any of its Subsidiaries
or any Seller which is contained in any of the foregoing documents.

Section 3.10  Disclosure.  Parent is not consciously withholding any facts which
              ----------                                                        
it has knowledge constitute a breach of the representations and warranties set
forth in Articles IV and V hereof.


                                  ARTICLE IV

                 REPRESENTATIONS AND WARRANTIES OF THE SELLERS

Except as set forth in the disclosure schedule of the Sellers dated as of the
date hereof and delivered herewith to Parent (the "Seller Disclosure Schedule")
(it being agreed that any item set forth in the Seller Disclosure Schedule
having relevance to more than one of the following sections of this Agreement
must be recited in full or cross-referenced in each corresponding section of the
Seller Disclosure Schedule in order to be deemed disclosed with respect thereto,
except to the extent that it is clear on the face of any such disclosure that it
relates to, and should be deemed disclosed against, any other section of this
Agreement), each Seller, severally and not jointly, represents and warrants to
Parent as follows:

Section 4.1  Organization and Qualification.
             ------------------------------ 

(a)  The Company and its Subsidiaries are corporations duly organized, validly
     existing and in good standing (or equivalent concepts, if any, under
     applicable law) under the laws of their respective jurisdictions of
     incorporation and have the requisite power and authority required for the
     ownership 

                                    - 16 -
<PAGE>
 
     and operation of their properties and the carrying on of their businesses
     as they are now being conducted and as they are now proposed to be
     conducted. The Company and its Subsidiaries are duly qualified as foreign
     corporations to do business, and are in good standing (or equivalent
     concepts, if any, under applicable law), in each jurisdiction where the
     character of their properties owned or leased or the nature of their
     activities makes such qualification necessary (each of which is identified
     in Section 4.1(a) of the Seller Disclosure Schedule), except where the 
        --------------                                           
     failure to be so qualified will not, individually or in the aggregate, have
     a material adverse effect on the business, assets, condition (financial or
     otherwise) or results of operations of the Company and its Subsidiaries
     taken as a whole.

(b)  The copies of the memorandum and articles of association (the "Memorandum
     and Articles of Association") of the Company delivered to Parent are true
     and complete copies, having attached to them copies of all resolutions and
     agreements referred to in Section 380(2) of the Companies Act, and the
     Company has complied with all the provisions of its Memorandum and Articles
     of Association and, in particular, has not entered into any ultra vires
     transaction.

(c)  The register of members of the Company contains a complete and accurate
     record of the members of the Company and the Company has not received any
     notice of application or intended application for rectification.

(d)  The statutory books and registers of the Company are written up to date and
     all such documents and other material records, deeds, agreements and
     documents relating to its affairs are in the possession of the Company or
     under its control.

(e)  The Company and its officers have complied in all material respects with
     the provisions of the Companies Act, including the provisions as to filing
     of returns, particulars, resolutions and other documents with the Registrar
     of Companies, and all legal requirements have been complied with in all
     material respects in connection with the formation of the Company and with
     issues of its shares and other securities.

Section 4.2  Capitalization.
             -------------- 

(a)  The authorized share capital of the Company consists of 256,250 Preferred
     Shares, 2,543,750 A Preference Shares, 10,061,615 B Preference Shares and
     1,154,000 Ordinary Shares.  As of the date hereof, the outstanding share
     capital of the Company consists of 256,250 Preferred Shares, 2,543,750 A
     Preference Shares, 10,061,615 B Preference Shares, and 1,054,839 Ordinary
     Shares.    All outstanding Shares are duly authorized, validly issued and
     fully paid (and the Company has not exercised or purported to exercise or
     claimed any lien over any of them), are owned by the Sellers in the amounts
     shown on Schedule 1 hereto, and are not subject to preemptive, first
              ----------                                                 
     refusal or other similar rights created by statute, the Memorandum and
     Articles of Association and other organizational documents of the Company
     or any agreement to which the Company is a party or is bound.  Except as
     set forth in Section 4.2(a) of the Seller Disclosure Schedule, there are no
                  --------------                                                
     outstanding shares, loan capital or other securities or phantom or other
     equity interests in the Company, there are no outstanding securities
     convertible into or exchangeable for shares or other securities of the
     Company, and there are no options, warrants, calls, rights, commitments or
     agreements of any character (written or oral) to which the Company is a
     party or by which it is bound obligating the Company to issue, deliver,
     sell, repurchase or redeem, or cause to be issued, delivered, sold,
     repurchased or redeemed, any share or loan capital or other securities of
     the 

                                    - 17 -
<PAGE>
 
     Company (including securities convertible into or exercisable for shares or
     other securities of the Company) or obligating the Company to grant, extend
     or enter into any such option, warrant, call, right, commitment or
     agreement. Set forth on Schedule 1 is the identity of each holder of 
                             ----------                        
     Options, which are the only outstanding options to acquire any share or
     loan capital or other securities of the Company. Each Option consists of an
     option to purchase Ordinary Shares. Set forth opposite the name of each
     holder of Options on Schedule 1 is the number of Ordinary Shares subject to
                          ----------                          
     such holder's Options, whether or not currently exercisable. All Options
     for which the performance objectives set forth therein have been achieved
     or for which no performance objectives were set ("Performance Vested
     Options") are set forth under the heading "Performance Vested Options" and
     all other Options ("Other Options") are set forth under the heading "Other
     Options" on Schedule 1. No Options are presently exercisable.  On or six 
                 ----------                           
     (6) months after the change in control of the Company occurring at the
     Closing, all of the Options will lapse without any action on the part of
     the Company or any holders of Options and none of such Options will be
     exercisable prior to their lapse. The name and address of each holder of
     Shares and/or Options is set forth on Schedule 3.
                                           ---------- 

(b)  The Company has not at any time:

     (i)    repaid or redeemed or agreed to repay or redeem any shares of any
            class of its share capital or otherwise reduced or agreed to reduce
            any class of its issued share capital or purchased any of its own
            shares or carried out any transaction having the effect of a
            reduction of capital;

     (ii)   made or resolved or agreed to make any issue of shares or other
            securities by way of capitalization of profits or reserves; or

     (iii)  given any financial assistance in contravention of Section 151 of
            the Companies Act.

(c)  All dividends due and payable or otherwise declared by the Company on or
     prior to the date hereof to holders of the A Preference Shares, B
     Preference Shares, Preferred Shares and Ordinary Shares have been paid in
     full, except as set forth in the next sentence.  Section 4.2(c) of the
                                                      --------------       
     Seller Disclosure Schedule sets forth the amount of the dividend which has
     accrued (in the aggregate and on a per share basis) through the close of
     business on the date immediately preceding the date hereof and has been
     declared on the outstanding A Preference Shares, B Preference Shares,
     Ordinary Shares and Preferred Shares.  Upon payment of the Consideration
     Stock (and cash in lieu of fractional shares, if any) at the Closing in
     accordance with Section 2.2, no holder of A Preference Shares, B Preference
     Shares, Preferred Shares or Ordinary Shares (other than Parent as the owner
     of such shares following the transactions contemplated hereby) will have
     any right (contingent or otherwise) to receive any dividend from the
     Company or any claim against the Company with respect to dividends on such
     shares other than the right of the holders of Ordinary Shares, A Preference
     Shares, B Preference Shares and Preferred Shares as of the dividend record
     date to receive the dividends set forth on Section 4.2(c) of the Seller
                                                --------------              
     Disclosure Schedule.

Section 4.3  Subsidiaries.  Except as disclosed in Section 4.3 of the Seller
             ------------                          -----------              
Disclosure Schedule, the Company does not own, directly or indirectly, any
capital stock, share capital, shares or other equity securities of any
corporation or have any direct or indirect equity or ownership interest in any
association, partnership, joint venture or other entity, and the Company has
never had and does not currently have any subsidiary undertakings (as defined by
the Companies Act).  Except as disclosed in Section 4.3 of the Seller Disclosure
                                            -----------                         
Schedule, all of the outstanding shares of capital stock, share capital, shares,
equity securities or other ownership interests of each of the corporations,
associations, partnerships, joint ventures 

                                    - 18 -
<PAGE>
 
or other entities disclosed in such Section 4.3 of the Seller Disclosure
                                    -----------
Schedule are owned beneficially and of record by the Company, one of its other
Subsidiaries, or any combination of the Company and/or one or more of its other
Subsidiaries, in each case free and clear of any liens, charges, restrictions,
claims or encumbrances of any nature whatsoever; and there are no outstanding
subscriptions, warrants, options, convertible securities, or other rights
(contingent or other, written or oral) pursuant to which any of the
corporations, associations, partnerships, joint ventures or other entities
disclosed in such Section 4.3 of the Seller Disclosure Schedule is or may 
                  -----------              
become obligated to issue any shares of its capital stock, share capital,
shares, equity securities or other ownership interests to any person other than
the Company or one of the Company's Subsidiaries.

Section 4.4  Non-Contravention. Assuming the receipt of all Required Consents,
             -----------------                                                
neither the execution, delivery or performance of this Agreement and the Seller
Ancillary Agreements by the respective parties thereto, nor the consummation of
the transactions contemplated hereby and thereby, does or will, with or without
the giving of notice, or the lapse of time, or otherwise:

(a)  conflict with, result in a breach of, or constitute a default under, the
     Memorandum and Articles of Association or other organizational documents of
     the Company or any of its Subsidiaries or in any material respects any
     United Kingdom, United States, foreign, state or local court or
     administrative order or process, or any material contract, agreement or
     commitment to which the Company or any of its Subsidiaries is a party, or
     under which the Company or any of its Subsidiaries is obligated, or by
     which the Company or any of its Subsidiaries or any of the rights,
     properties or assets of the Company or any of its Subsidiaries is subject
     or bound;

(b)  result in the creation of any material mortgage, pledge, lien, claim,
     charge, encumbrance or assessment upon, or otherwise adversely affect, any
     of the rights, properties or assets of the Company or any of its
     Subsidiaries;

(c)  terminate, amend or modify, or give any party the right to terminate,
     amend, modify, abandon or refuse to perform or comply with, any material
     contract, agreement or commitment to which the Company or any of its
     Subsidiaries is a party, or under which the Company or any of its
     Subsidiaries is obligated, or by which the Company or any of its
     Subsidiaries or any of the rights, properties or assets of the Company or
     any of its Subsidiaries is subject or bound; or

(d)  accelerate, postpone or modify, or give any party the right to accelerate,
     postpone or modify, the time within which, or the terms and conditions
     under which, any liabilities, duties or obligations are to be satisfied or
     performed, or any rights or benefits are to be received, under any material
     contract, agreement or commitment to which the Company or any of its
     Subsidiaries is a party, or under which the Company or any of its
     Subsidiaries may be obligated, or by which the Company or any of its
     Subsidiaries or any of the rights, properties or assets of the Company or
     any of its Subsidiaries is subject or bound.

Section 4.5  Required Consents.
             ----------------- 

Section 4.5 of the Seller Disclosure Schedule sets forth (i) each agreement,
- - -----------                                                                 
contract or other instrument (including, without limitation, the Memorandum and
Articles of Association and the terms of any security of the Company) binding
upon the Company or any of its Subsidiaries and each Permit in either case
requiring a consent, notice or approval as a result of the execution, delivery
and performance of this Agreement and the Seller Ancillary Agreements and the
consummation of the transactions contemplated hereby and thereby and (ii) each
waiver, consent, authorization, approval, filing and registration required to 

                                    - 19 -
<PAGE>
 
be obtained from or made with courts or other governmental or regulatory bodies
or agencies or required under applicable law by the Company, any of its
Subsidiaries or any Seller as a result of the execution, delivery and
performance of this Agreement and the Seller Ancillary Agreements (each such
waiver, consent, authorization, approval, filing, registration or notice, a
"Required Consent"), except such waivers, consents, authorizations, approvals,
filings, registrations or notices as would not, individually or in the
aggregate, result in a material adverse change in the business, assets,
condition (financial or otherwise) or results of operations of the Company and
its Subsidiaries taken as a whole or have a material adverse effect on the
ability of the parties hereto to consummate the transactions contemplated hereby
and by the Seller Ancillary Agreements, if not received or given, as the case
may be, by the Closing Date.

Section 4.6  Financial Statements and Reports; Insolvency.
             -------------------------------------------- 

(a)  The audited consolidated balance sheets of PCH Investments Limited as of
     June 30, 1995 and of the Company as of June 30, 1996 and June 30, 1997 and
     the related consolidated audited statements of profit and loss and cash
     flows for the fiscal years ended December 31, 1995 and June 30, 1997 and
     for the seven months ended June 30, 1996 (the "Company Audited Financial
     Statements"), previously delivered to Parent, in each case present a true
     and fair view of the state

                                    - 20 -
<PAGE>
 
of affairs of PCH Investments Limited and its consolidated subsidiaries and the
Company and its consolidated subsidiaries, as applicable,  as of the dates
thereof and their results for the periods then ended.  The Company has also
furnished Parent with a true and complete copy of (i) the unaudited consolidated
balance sheet of the Company as of September 30, 1997 and the unaudited
consolidated statements of profit and loss and cash flows of the Company for the
three months ended September 30, 1997 and (ii) the unaudited consolidated
balance sheet of the Company as of September 30, 1996 and the unaudited
consolidated statements of profit and loss and cash flows of the Company for the
three months ended September 30, 1996 (collectively, the "Company Unaudited
Financial Statements").  The consolidated balance sheets included in the Company
Unaudited Financial Statements (including any related notes) present a true and
fair view of the state of affairs of the Company and its consolidated
subsidiaries as of their dates and the other statements included in the Company
Unaudited Financial Statements (including any related notes) present a true and
fair view of the results of the Company and its consolidated subsidiaries for
the periods therein set forth.  The Company Audited Financial Statements (i)
have been prepared under the historical cost convention and in accordance with
United Kingdom generally accepted  accounting practice, including all applicable
Statements of Standard Accounting Practice and Financial Reporting Standards;
(ii) comply with the requirements of the Companies Act and (iii) have been
prepared on consistent bases and policies of accounting which have continued to
be used by the Company without alteration since June 30, 1996.  The Company
Unaudited Financial Statements have been prepared responsibly, on a basis
consistent with the Company's management accounts for prior periods, and based
on reasonable assumptions.

(b)  (i)   No receiver or administrative receiver has been appointed in respect
           of the Company or any of its Subsidiaries, or in respect of the whole
           or any part of the assets or undertaking of the Company or any of its
           Subsidiaries;                                                       
                                                                               
     (ii)  No administration order has been made and no petition has been      
           presented for such an order in respect of the Company or any of its 
           Subsidiaries;                                                       
                                                                               
     (iii) No meeting has been convened at which a resolution will be proposed,
           no resolution has been passed, no petition has been presented and no
           order has been made for the winding-up of the Company or any of its 
           Subsidiaries;                                                       
                                                                               
     (iv)  Neither the Company nor any of its Subsidiaries have stopped or     
           suspended payment of their debts, become unable to pay their debts  
           (within the meaning of section 123 of the United Kingdom Insolvency 
           Act 1986) or otherwise become insolvent;                            
                                                                               
     (v)   No unsatisfied judgment, order or award is outstanding against the  
           Company or its Subsidiaries and no written demand under Section     
           123(l)(a) of the United Kingdom Insolvency Act 1986 has been made   
           against the Company or its Subsidiaries and no distress or execution
           has been levied on, or other process commenced against, any asset of
           the Company or its Subsidiaries;                                    
                                                                               
     (vi)  No voluntary arrangement has been proposed under Section 1 of the   
           United Kingdom Insolvency Act 1986 in respect of the Company or its 
           Subsidiaries; and                                                   
                                                                               
     (vii) To the knowledge of the Sellers, no circumstances have arisen which 
           entitle any person to take any action, appoint any person, commence 
           proceedings or obtain any order of the type aforementioned in       
           paragraphs (i) to (vi) above.                                        

                                    - 21 -
<PAGE>
 
Section 4.7  Title to Properties and Assets.  On June 30, 1997 the Company and
             ------------------------------                                   
its Subsidiaries had, and now have, good title to all of the properties and
assets, tangible or intangible, owned by them, whether or not reflected in the
Balance Sheet or subsequently acquired by them, subject to no mortgages,
pledges, liens (except for liens for taxes and governmental charges not yet
due), encumbrances or other charges or third party rights of any kind except for
those mortgages, pledges, liens, encumbrances or charges (i) disclosed in
Section 4.7 of the Seller Disclosure Schedule or (ii) which arise in the
- - -----------                                                             
ordinary course of business and do not individually or in the aggregate have a
material adverse effect on the business, assets, condition (financial or
otherwise) or results of operations of the Company and its Subsidiaries taken as
a whole and which do not materially detract from the value of, or impair the use
of, such properties and assets.  Except as aforesaid, the assets and properties
owned by the Company and its Subsidiaries at the Closing shall be free and clear
of mortgages, pledges, liens, encumbrances or charges of any kind.  There is no
asset used by the Company or any of its Subsidiaries in, or necessary for,  the
conduct of its business as presently operated which is not either owned by it or
licensed or leased to it under a license or lease listed in Section 4.12 of the
                                                            ------------       
Seller Disclosure Schedule.  All of the fixtures, machinery, equipment, tools
and other personal property owned, leased or licensed by the Company or its
Subsidiaries are sufficient to carry on the business of the Company and its
Subsidiaries as presently conducted.  Neither the Company nor any of its
Subsidiaries has been party to any transaction which may be voidable as a
transaction at an undervalue or which may constitute a voidable preference
within the meanings of Sections 238 and 243 and 339 and 342 of the United
Kingdom Insolvency Act 1986.

Section 4.8  Absence of Certain Changes or Events.  Since the Balance Sheet
             ------------------------------------                          
Date, except as disclosed in Section 4.8 of the Seller Disclosure Schedule,
                             -----------                                   
there has not been:

(a)  any material adverse change in the business, assets, condition (financial
     or otherwise) or result of operations of the Company and its Subsidiaries
     taken as a whole;

(b)  any change in any method of accounting or accounting practices of the
     Company or any of its Subsidiaries;

(c)  any declaration, setting aside or payment of any dividend or other
     distribution with respect to any shares of the Company, or any repurchase,
     redemption, retirement or other acquisition by the Company of any
     outstanding shares of other securities of, or other equity or ownership
     interests in, the Company;

(d)  any change in the Memorandum and Articles of Association or other
     organizational documents of the Company or any of its Subsidiaries or any
     amendment of any term of any outstanding security of the Company or any of
     its Subsidiaries;

(e)  any incurrence, assumption or guarantee by the Company or any of its
     Subsidiaries of any indebtedness for borrowed money, other than in the
     ordinary course of business and in an aggregate amount for the Company and
     all of its Subsidiaries not exceeding (Pounds)75,000;

(f)  any creation or assumption by the Company or any of its Subsidiaries of any
     lien on any asset other than in the ordinary course of business and in an
     amount not exceeding (Pounds)25,000 individually and (Pounds)75,000 in the
     aggregate;

(g)  other than to the extent that it is an a-group between the Company
     and/or any of its Subsidiaries, any making of any loan, advance or capital
     contributions to, or investment in, any 

                                    - 22 -
<PAGE>
 
     person or entity by the Company or any of its Subsidiaries other than loans
     for season tickets and advances of salary which in the aggregate do not
     exceed (Pounds)15,000;

(h)  except as set forth in the Company Unaudited Financial Statements as of
     September 30, 1997, (A) any sale, lease, pledge, transfer or other
     disposition of any capital asset by the Company or any of its Subsidiaries
     or (B) any capital expenditures, or commitment to make any capital
     expenditures, for additions to plant, property or equipment by the Company
     and its Subsidiaries, except, in the case of either clause (A) or (B), in
     the ordinary course of business and in an aggregate amount not exceeding
     (Pounds)75,000;

(i)  any (A) grant of any severance or termination pay to any director, officer
     or employee of the Company or any of its Subsidiaries or (B) change in the
     hiring, firing, payroll, benefits or compensation policies or practices of
     the Company or any of its Subsidiaries other than in the ordinary course of
     business consistent with past practices;

(j)  any labor dispute or any activity or proceeding by a labor union or
     representative thereof to organize any employees of the Company or its
     Subsidiaries, or any lockouts, strikes, slowdowns, work stoppages or
     threats thereof by or with respect to any employees of the Company or its
     Subsidiaries;

(k)  except as set forth in the Company Unaudited Financial Statements as of
     September 30, 1997, any notes or accounts receivable or portions thereof
     written off by the Company or any of its Subsidiaries as uncollectible or
     any cancellation of any debts or claims or waiver of any rights of
     substantial value in an aggregate amount for the Company and its
     Subsidiaries exceeding (Pounds)25,000;

(l)  other than the Options, any issuance or sale of any shares, bonds or other
     securities of which the Company or any of its Subsidiaries are the issuer,
     or the grant, issuance or change of any stock options, warrants, or other
     rights to purchase securities of the Company or any of its Subsidiaries;

(m)  any discharge or satisfaction of any lien or encumbrance or payment or
     satisfaction of any obligation or liability (whether absolute, accrued,
     contingent or otherwise and whether due or to become due) other than
     current liabilities shown on the Balance Sheet and current liabilities
     incurred since the Balance Sheet Date in the ordinary course of business
     and consistent with past practice;

(n)  any sale, assignment or transfer of any Intellectual Property or other
     similar assets, including licenses therefor;

(o)  any payment of any amounts to, or liability incurred to or in respect of,
     or sale of any properties or assets (real, personal or mixed, tangible or
     intangible) to, or any transaction or any agreement or arrangement with,
     any corporation or business in which the Company or its Subsidiaries or any
     of its corporate officers or directors, or any "affiliate" or "associate"
     (as such terms are defined in the rules and regulations promulgated under
     the Securities Act) of any such person, has any direct or indirect
     ownership interest; or

(p)  any legally binding agreement, undertaking or commitment to do any of the
     foregoing.

Section 4.9  Disclosure of Liabilities.  Except for liabilities which have been
             -------------------------                                         
incurred in the ordinary and regular course of business, none of which
individually or in the aggregate has resulted in or is likely to 

                                    - 23 -
<PAGE>
 
result in a material adverse effect on the business, assets, condition
(financial or otherwise) or results of operations of the Company and its
Subsidiaries taken as a whole, and except for liabilities incurred by the
Company or its Subsidiaries in connection with the preparation and execution of
this Agreement and the consummation of the transactions contemplated hereby,
since June 30, 1997 the Company and its Subsidiaries have not incurred any
liability of any nature (whether accrued, absolute, contingent or otherwise)
which would be required under the historical cost convention and in accordance
with United Kingdom generally accepted accounting practice, including all
applicable Statements of Standard Accounting Practice and Financial Reporting
Standards, to be reflected in a consolidated balance sheet if the Company were
to prepare one as of the date hereof. The Company and its Subsidiaries have not
received notice to repay under any agreement relating to borrowing or
indebtedness in the nature of borrowing on its part which is repayable on
demand.

Section 4.10  Accounts, Notes and Receivables.  All of the accounts, notes and
              -------------------------------                                 
other receivables which are reflected in the Balance Sheet were acquired in the
ordinary and regular course of business; and, except to the extent reserved
against in the Balance Sheet, all of the accounts, notes and other receivables
which are reflected therein have been collected in full, or are good and
collectible, in the ordinary and regular course of business; and all of the
accounts, notes and other receivables which have been acquired by the Company or
its Subsidiaries since June 30, 1997 were acquired in the ordinary and regular
course of business and have been collected in full, or are good and collectible,
subject to an appropriate reserve determined in a manner consistent with past
practices of the Company, in the ordinary and regular course of business.  No
accounts, notes or other receivables are contingent upon the performance by the
Company or any of its Subsidiaries of any obligation or contract.  No person has
any lien, charge, pledge, security interest or other encumbrance on any of such
receivables and no agreement for deduction or discount has been made with
respect thereto.

Section 4.11  Litigation.  There is no action, suit, claim, investigation or
              ----------                                                    
proceeding (or any basis therefor) pending against or, so far as the Sellers are
aware,  threatened by or against the Company, any of its Subsidiaries or their
respective properties and assets (including against any party which the Company
or any of its Subsidiaries is liable to indemnify) or relating to the
transactions contemplated hereby before any court or arbitrator or any
governmental body, agency, official or authority.

Section 4.12  Agreements.
              ---------- 

(a)  Section 4.12 of the Seller Disclosure Schedule sets forth a list of each
     ------------                                                            
     agreement, contract or commitment of the following types (written or oral)
     under which the Company or any of its Subsidiaries are obligated (other
     than to the extent that any such agreement, contract or commitment is
     intra-group between the Company and/or any of its Subsidiaries):

     (i)    any agreements or obligations of guarantee or indemnification;     
                                                                               
     (ii)   any agreement or commitment containing a covenant limiting or      
            purporting to limit the freedom of the Company or any of its       
            Subsidiaries to compete with any person or entity in any geographic
            area or engage in any line of business;                            
                                                                               
     (iii)  any lease to which the Company or any of its Subsidiaries is a party
            as lessor or lessee which involves or requires payments of         
            (Pounds)25,000 or more in any twelve month period;                 
                                                                               
     (iv)   any joint venture contract or similar arrangement;                  

                                    - 24 -
<PAGE>
 
     (v)    except for trade indebtedness incurred in the ordinary course of
            business, any loan or credit agreements providing for the extension
            of credit to the Company or any of its Subsidiaries or any
            instrument evidencing or related in any way to indebtedness incurred
            in the acquisition of companies or other entities or indebtedness
            for borrowed money by way of direct loan, sale of debt securities,
            purchase money obligation, conditional sale, guarantee, or other
            debt obligation or instrument which individually is in the amount of
            (Pounds)25,000 or more;
                                                                                
     (vi)   any distributor, dealer, franchise, manufacturer's representative,
            sales agency or other similar contract or commitment;
                                                                                
     (vii)  any license agreement, either as licensor or licensee, or any other
            similar contract or commitment, except for licenses of off-the-
            shelf, non-custom software (the terms of which the Company and its
            Subsidiaries are in material compliance with);
                                                                                
     (viii) any contract or agreement for the future purchase by the Company or
            any of its Subsidiaries of any materials, equipment, services or
            supplies, or for the acquisition, construction or sale of fixed
            assets, except for contracts or agreements made in the ordinary
            course of business and in an amount not exceeding (Pounds)25,000
            individually and (Pounds)75,000 in the aggregate;
            
     (ix)   any agreement or arrangement for the assignment, sale or other
            transfer by the Company or any of its Subsidiaries of any contract
            or lease (or right to payment thereunder);
            
     (x)    any material agreement pertaining to the Company's or any of its    
            Subsidiaries maintenance or support of their products, services or  
            supplies;                                                           
                                                                                
     (xi)   any agreement or arrangement for the sale of any of the material
            assets, properties or rights of the Company or any of its
            Subsidiaries or for the grant of any preferential rights to purchase
            any of its material assets, properties or rights or which requires
            the consent of any third party to the transfer and assignment of any
            of its material assets, properties or rights;

     (xii)  any contract or agreement, not elsewhere specifically disclosed
            pursuant to this Agreement, not made in the ordinary course of
            business that is material to the Company and its Subsidiaries taken
            as a whole.

(b)  Since the Balance Sheet Date, neither the Company nor any of its
     Subsidiaries has amended, modified or terminated the terms of the contracts
     or agreements referred to in Section 4.12(a) hereof unless such amendment,
     modification or termination was in the ordinary course of business and was
     not material.

Section 4.13  Licenses and Permits.
              -------------------- 

(a)  Section 4.13(a) of the Seller Disclosure Schedule correctly describes each
     ---------------                                                           
     material license, franchise, permit or other similar governmental
     authorization affecting, or relating in any way to, the business of the
     Company or any of its Subsidiaries, together with the name of the
     government agency or entity issuing such license or permit (the "Permits").
     Such Permits are valid and in full force and effect, neither the Company
     nor any of its Subsidiaries is in breach of any of the terms or 

                                    - 25 -
<PAGE>
 
     conditions of such Permits, and such Permits will not be terminated or
     impaired or become terminable as a result of the transactions contemplated
     hereby. Upon consummation of the transactions contemplated hereby, the
     Company and its Subsidiaries will retain all of the right, title and
     interest in all the Permits.

(b)  The Company and its Subsidiaries do not use on their stationery or vehicles
     or otherwise carry on business under any name other than their corporate
     names; neither the Company nor any of its Subsidiaries has any branch or
     any agency outside of its jurisdiction of incorporation; and the Company
     and its Subsidiaries have complied in all material respects with all legal
     requirements applicable to their businesses, whether in the United Kingdom
     or in any other country.  The Company and its Subsidiaries do not carry on
     or purport to carry on in the United Kingdom any investment business within
     the meaning of the United Kingdom Financial Services Act 1986.

Section 4.14  Intellectual Property.
              --------------------- 

(a)  Section 4.14 of the Seller Disclosure Schedule sets forth a list and brief
     ------------                                                              
     description of all trademarks, service marks, trade names, copyrights and
     patents (and any applications for the registration thereof) owned or
     licensed or used or held for use by the  Company or any of its
     Subsidiaries, specifying as to each, as applicable: (i) the nature of such
     right; (ii) the owner of such right; and (iii) the jurisdictions (if any)
     by or in which such right has been registered or in which an application
     for such registration has been filed, including the respective registration
     or application numbers.  The Company or its Subsidiaries have sufficient
     title and ownership of, or possess adequate licenses or other enforceable
     rights to use, all patents, patent applications, trademarks, trademark
     applications, service marks, service mark applications, trade names,
     copyrights, copyright registrations, registered designs, computer software,
     practices, methodologies, techniques, manufacturing processes, formulae,
     trade secrets, customer lists and know how (collectively, "Intellectual
     Property") necessary to the conduct of their business as conducted, free
     and clear of all liens and encumbrances of any nature, without any conflict
     with or infringement of the rights of any other person, firm, corporation
     or entity, and no claim is pending or threatened to the effect that the
     operations of the Company or any of its Subsidiaries infringe upon or
     conflict with the asserted rights of any other person under any
     Intellectual Property.  None of the Intellectual Property has lapsed or
     expired.  None of the operations carried on by the Company or its
     Subsidiaries infringe any right of another person in respect of any
     intellectual property rights.  No claim is pending or threatened to the
     effect that any such Intellectual Property owned or licensed by the Company
     or any of its Subsidiaries, or which the Company or any of its Subsidiaries
     otherwise has the right to use, is invalid or unenforceable by the Company
     or its Subsidiaries.  To the knowledge of the Sellers, all Intellectual
     Property which has not been patented or distributed or provided to a third
     party under an agreement containing confidentiality and nondisclosure
     obligations on the recipient has been kept confidential.

(b)  The Company and its Subsidiaries have not during the five years preceding
     the date of this Agreement been sued or charged in writing with or been a
     defendant in any claim, suit, action or proceeding relating to the business
     of the Company or any of its Subsidiaries that has not been finally
     terminated prior to the date hereof and that involves a claim of
     infringement of any Intellectual Property.  The Sellers have no knowledge
     of any other claim of infringement by or against the Company or any of its
     Subsidiaries, and no knowledge of any continuing unauthorized use,
     misappropriation, or infringement by any party of any Intellectual
     Property, franchise right or other proprietary right.  No Intellectual
     Property is subject to any outstanding order, judgment, decree, stipulation
     or agreement restricting the use thereof by the Company or its Subsidiaries
     or 

                                    - 26 -
<PAGE>
 
     restricting the licensing thereof by the Company or its Subsidiaries to any
     other party. Neither the Company nor any of its Subsidiaries have entered
     into any agreement to indemnify any other party against any charge of
     infringement of any Intellectual Property. 


(c)  None of the present or former employees, officers or directors of the
     Company or any of its Subsidiaries own directly or indirectly, in whole or
     in part, any Intellectual Property or application therefor set forth in
     Section 4.14 of the Seller Disclosure Schedule.
     ------------                                   

(d)  The Company and its Subsidiaries have complied with all requirements of the
     United Kingdom Data Protection Act 1984 and, in particular, the Company and
     its Subsidiaries have registered as a data user under that Act for all
     purposes for which registration is required by the businesses as carried on
     by the Company and its Subsidiaries and has complied with the data
     protection principles.  The Company and its Subsidiaries have not received
     any notice, letter or complaint alleging a breach by it of the provisions
     of the United Kingdom Data Protection Act 1984 and, so far as the Sellers
     are aware, no circumstances exist which may give rise to such a notice,
     letter or complaint.

Section 4.15  Employees.
              --------- 

(a)  Section 4.15(a) of the Seller Disclosure Schedule sets forth a list of (a)
     ---------------                                                           
     the names, titles, annual salaries and all other compensation of all
     salaried employees of the Company and its Subsidiaries and (b) the wage
     rates for non-salaried employees of the Company and its Subsidiaries (by
     classification).  No employee of the Company or any of its Subsidiaries has
     indicated to the Company or any of its Subsidiaries that he or she intends
     to resign or retire as a result of the transactions contemplated by this
     Agreement or otherwise.

(b)  Each current and former director, officer, employee and consultant of the
     Company or any of its Subsidiaries having access to confidential or
     proprietary information of the Company or any of its Subsidiaries has
     executed and delivered to the Company or the applicable Subsidiary an
     agreement regarding the protection of such confidential or proprietary
     information and the assignment of inventions to the Company or the
     applicable Subsidiary, the terms of which are included in the standard
     terms and conditions of employment.  The Company and its Subsidiaries are
     not and never have been engaged in any dispute or litigation with an
     employee or former employee regarding matters pertaining to intellectual
     property or assignment of inventions.

(c)  The Company and its Subsidiaries (i) have never been and are not now
     subject to a union organizing effort, (ii) are not subject to any
     collective bargaining agreement with respect to any of their respective
     employees, (iii) are not subject to any other contract or arrangement,
     written or oral, with any trade or labor union, employees' association or
     similar organization and (iv) have no material current labor dispute.  The
     Company and its Subsidiaries have good labor relations; and the Sellers
     have no knowledge of any facts indicating that the consummation of the
     transactions provided for herein will have a material adverse effect on its
     labor relations.

(d)  Hours worked by and payments made to employees of the Company and its
     Subsidiaries have not been in material violation of any applicable United
     Kingdom or other foreign, state or local laws dealing with such matters.

(e)  All payments due from the Company or any of its Subsidiaries on account of
     employee health and welfare insurance in respect of (i) years and periods
     (and portions thereof) ended on or prior to 

                                    - 27 -
<PAGE>
 
     September 30, 1997 were or will be paid prior to the Closing Date or
     accrued as a liability on the balance sheet included in the Company's
     Unaudited Financial Statements as of September 30, 1997 and (ii) periods
     (or portions thereof) from and after September 30, 1997 are not outside of
     the ordinary course of business, are consistent with prior periods and are
     not materially overdue. Neither the Company nor any of its Subsidiaries has
     entered into any agreement imposing an obligation on the Company or any of
     its Subsidiaries to increase the rates of remuneration of, or to make any
     bonus or incentive payments of any benefits in kind or any payments under a
     profit sharing scheme to or on behalf of any of their employees at any
     future date except as disclosed pursuant to Section 4.15(a) above. Each
     Benefit Arrangement has been maintained in material compliance with the
     requirements prescribed by any and all statutes, orders, rules and
     regulations which are applicable to any such Benefit Arrangement, and in
     material compliance with all of the terms and conditions of each such
     Benefit Agreement. All contributions and payments accrued under each
     Benefit Arrangement, determined in accordance with prior funding and
     accrual practices, in respect of (i) years and periods (and portions
     thereof) ended on or prior to September 30, 1997 were or will be paid prior
     to the Closing Date or accrued as a liability on the balance sheet included
     in the Company's Unaudited Financial Statements as of September 30, 1997
     and (ii) periods (or portions thereof) from and after September 30, 1997
     are not outside of the ordinary course of business, are consistent with
     prior periods and are not materially overdue. Except as disclosed in
     Section 4.15(e) of the Seller Disclosure Schedule, there has been no
     ---------------                                                     
     amendment to, written interpretation of or announcement (whether or not
     written) by the Company or any of its Subsidiaries relating to, or change
     in employee participation or coverage under, any Benefit Arrangement that
     would increase materially the expense of maintaining such Benefit
     Arrangement above the level of the expense incurred in respect thereof for
     the fiscal year ended June 30, 1997.

(f)  All severance and vacation payments which are or were due under the terms
     of any agreement, oral or written, in respect of (i) years and periods (and
     portions thereof) ended on or prior to September 30, 1997 , were or will be
     paid prior to the Closing Date or accrued as a liability on the balance
     sheet included in the Company's Unaudited Financial Statements as of
     September 30, 1997 and (ii) periods (or portions thereof) from and after
     September 30, 1997 are not outside of the ordinary course of business, are
     consistent with prior periods and are not materially overdue.

(g)  The Company and its Subsidiaries have in relation to each of their
     respective employees (and so far as relevant to each of their former
     employees):

     (i)  complied in all material respects with all obligations imposed on it
          by the United Kingdom Employment Protection (Consolidation) Act 1978,
          the United Kingdom Employment Acts of 1980, 1982, 1988, 1989 and 1990,
          the United Kingdom Trade Union Reform and Employment Rights Act 1993
          and the United Kingdom Employment Rights Act 1996 or any other
          statute, regulation or code of conduct (whether of the United Kingdom
          or elsewhere) relevant to relations between it and the employees of
          any recognized trade union;

     (ii) complied in all material respects with all relevant orders and awards
          affecting the employees made under the United Kingdom Wages Act 1986,
          the United Kingdom Employment Protection (Consolidation) Act 1978, the
          Employment Acts of 1980, 1982, 1988, 1989 and 1990 and the United
          Kingdom Employment Rights Act 1996 or any other applicable statute,
          regulation or code of conduct (whether of the United Kingdom or
          elsewhere);

                                    - 28 -
<PAGE>
 
     (iii) in all material respects maintained adequate and suitable records of
           the service of the employees;

     (iv)  paid all income tax under the P.A.Y.E. system, all payments due in
           respect of national insurance contributions (including the employer's
           contributions) and all other applicable taxes and payments relating
           to employment or wages, after making the required deductions from
           salaries, wages and bonuses paid by the Company and its Subsidiaries;
           and

     (v)   maintained proper records of the payments and deductions mentioned in
           paragraph (iv) above.

(h)  The Company and its Subsidiaries have no liability to pay compensation for
     loss of office or employment to any present or former officer or employee
     or any payment under the provisions of the United Kingdom Employment Rights
     Act 1996.

(i)  Copies of the standard terms and conditions of all employees have been
     provided to Parent and, except as set forth in Section 4.15(i) of the
                                                    ---------------       
     Seller Disclosure Schedule, no employee of the Company or any of its
     Subsidiaries is employed on any terms that are different from those
     disclosed.

(j)  Except for the scheme pursuant to which the Options have been granted,
     there is not in existence any share incentive scheme, share option scheme
     or profit sharing scheme for all or any of the Company's or any of its
     Subsidiaries, directors or employees, or any training scheme or arrangement
     in respect of which a levy may become payable by the Company or any of its
     Subsidiaries under the United Kingdom Industrial Training Act 1982 and no
     proposals for any such scheme or arrangement are under consideration by the
     Company or any of its Subsidiaries.

Section 4.16  Enforceability of Contracts, etc.
              ---------------------------------

Neither the Company, nor, to the knowledge of the Sellers, any other person,
firm, corporation or entity, is in breach or violation of, or default under, any
material contract, agreement, arrangement, commitment or plan to which the
Company or any of its Subsidiaries is a party, and no event or action has
occurred or, to the knowledge of the Sellers, is pending or threatened, which,
with or without the giving of notice, or the lapse of time, or otherwise, would
constitute a breach or a default by the Company or any of its Subsidiaries or,
to the knowledge of the Sellers, any other person, firm, corporation or entity,
under any material contract, agreement, arrangement, commitment or plan to which
the Company or any of its Subsidiaries is a party.  The Company and its
Subsidiaries are not in breach or violation of, or default under, their
Memorandum and Articles of Association or other organizational documents, and no
event or action has occurred or, to the knowledge of the Sellers, is pending or
threatened, which, with or without the giving of notice, or the lapse of time,
or otherwise, would constitute a breach or violation of or a default by the
Company or any of its Subsidiaries under their Memorandum and Articles of
Association or other organizational documents.

Section 4.17  Taxes.
              ----- 

(a)  The term "taxes" as used herein means all forms of tax, duty, rate, levy or
     other imposition whenever and by whatever authority competent to impose any
     tax liability imposed and whether of the United Kingdom, United States or
     elsewhere, including, without limitation, taxes on net income, gross
     income, gross receipts, sales, use, ad valorem, transfer, franchise,
     profits, license, lease, 

                                     - 29 -
<PAGE>
 
     service, service use, capital gains, inheritance, corporation, advance
     corporation, value added, PAYE, stamp duty reserve, national insurance,
     social security, withholding, payroll, employment, excise, severance,
     stamp, occupation, premium, property, windfall profits, customs duties,
     stamp duties, capital duties or other taxes, fees, assessments or other
     charges of any kind whatever, together with any interest and any penalties,
     additions to tax or additional amounts with respect thereto, and the term
     "tax" means any one of the foregoing taxes. The term "returns" as used
     herein means all returns, declarations, reports, statements, notices and
     other documents required to be filed in respect of taxes, and "return"
     means any one of the foregoing returns.

(b)  The Company and each of its Subsidiaries have timely filed all returns
     required to be filed and have paid all taxes owed (whether or not shown as
     due on such returns), including, without limitation, all taxes which the
     Company or any of its Subsidiaries is obligated to withhold for amounts
     owing to employees, creditors and third parties.  All returns have been
     filed completely and correctly and have been made on the proper basis.  All
     taxes with respect to which the Company or any of its Subsidiaries have
     become obligated pursuant to elections made by them in accordance with
     generally accepted practice have been paid and adequate reserves have been
     established for all taxes accrued but not yet payable.  No issues have been
     raised (and are currently pending) by any taxing authority in connection
     with any of the returns.  No waivers of statutes of limitation with respect
     to any of the returns have been given by or requested from the Company or
     any of its Subsidiaries.  All deficiencies asserted or assessments made as
     a result of any examinations have been fully paid, or are fully reflected
     as a liability on the Balance Sheet, or are being contested and an adequate
     reserve therefor has been established and is fully reflected in the Balance
     Sheet.  There are no liens for taxes (other than for current taxes not yet
     due and payable) upon the assets of the Company or any of its Subsidiaries.
     All elections with respect to taxes affecting the Company or any of its
     Subsidiaries, as of the date hereof, are set forth in the Company Audited
     Financial Statements.  The Company and its Subsidiaries are not a party to
     any agreement, contract, arrangement or plan that has resulted or would
     result, separately or in the aggregate, in the payment of any "excess
     parachute payments" within the meaning of Section 280G of the Code (without
     regard to the exception in Sections 280G(b)(4) and 280G(b)(5) of the Code).
     The Company and its Subsidiaries are not a party to any tax allocation or
     sharing agreement.  The Company and its Subsidiaries do not have any
     liability for taxes of any person or entity (other than the Company or its
     Subsidiaries) under United Kingdom, United States or other state, local or
     foreign laws, as a transferee or successor, by contact, or otherwise.

(c)  The Company and its Subsidiaries are not, and have not at any time since
     the Balance Sheet Date been, liable to pay interest on any unpaid taxation
     or to pay any penalty, fine or surcharge whether charged by the provisions
     of the Taxes Management Act 1970 or otherwise.

(d)  The Company and its Subsidiaries have not made or agreed to make any
     payment of any income nature to, or provided or agreed to provide any
     benefit for, any person who is or has been an officer or employee of the
     Company or of its Subsidiaries or a dependent of any such person which is
     not allowable as a deduction in calculating the profits of the Company for
     taxation purposes, except expenditures on entertaining customers, clients
     and suppliers.

(e)  All payments by the Company or any of its Subsidiaries to any person (other
     than employees) which ought to have been made under deduction of tax have
     been so made, and the Company and its Subsidiaries have (where required by
     law to do so) accounted to the Inland Revenue for the tax deducted.

                                     - 30 -
<PAGE>
 
(f)  The Company and its Subsidiaries have not since April 5, 1965 made any
     repayment of share capital to which Section 210(l) of the Taxes Act
     applies.

(g)  The Company and its Subsidiaries have not since July 1, 1995 surrendered or
     claimed any amount by way of group relief under the provisions of Section
     402 of the Taxes Act or any advance corporation tax under the provisions of
     Section 240 of that Act.

(h)  Neither the Company nor any of its Subsidiaries has ceased and will not as
     a result of the execution and delivery of this Agreement or consummation of
     the transactions contemplated hereby cease to be a member of a group of
     companies for the purposes of Sections 178 or 179 of the TCGA.

(i)  No transaction described in Section 765(l) of the Taxes Act has been
     carried out or proposed by or in relation to the Company or any of its
     Subsidiaries.

(j)  Neither the Company nor any of its Subsidiaries has claimed any first year
     allowances in respect of machinery or plant leased by the Company or any of
     its Subsidiaries in circumstances which may give rise to liability under
     Section 47 of the CAA.

(k)  Neither the Company nor any of its Subsidiaries has effected or entered
     into any act, transaction or arrangement of any nature whereby it has
     incurred or may hereafter incur any liability under or by virtue of any of
     Sections 34, 35, 36 and 37 of the Taxes Act.

(l)  Neither the Company nor any of its Subsidiaries has been a party to or
     involved in any transaction within Section 29 of the TCGA or any scheme or
     arrangement within Sections 30 to 34 (inclusive) of the TCGA.

(m)  The book value of each of the capital assets of the Company and each of its
     consolidated Subsidiaries in or adopted for the purpose of the Company
     Audited Financial Statements does not exceed the amount deductible under
     Section 38 of the TCGA.

(n)  The Company and its Subsidiaries do not own any shares or securities
     acquired as a "new holding" (within the meaning in Section 126 of the TCGA)
     on a reorganization or conversion or scheme of reconstruction or
     amalgamation to which Sections 126 to 138 of the TCGA apply.

(o)  (i)   Neither the Company nor any of its Subsidiaries is entitled to any
           capital loss to which the provisions of Section 18(3) of the TCGA are
           applicable;

     (ii)  No chargeable gain will accrue to the Company or any of its
           Subsidiaries on the disposal of any debt owed to them; and

     (iii) No disposals have been made which are linked transactions for the
           purposes of Section 19 of the TCGA.

(p)  Neither the Company nor any of its Subsidiaries has disposed of the share
     capital of any company in circumstances which permit the assessment by the
     Inland Revenue of the Company to corporation tax in accordance with Section
     767A of the Taxes Act.

                                     - 31 -
<PAGE>
 
(q)  No loan or advance made by or debt incurred to or assigned to the Company
     or any of its Subsidiaries falling within the provisions of Section 419 of
     the Taxes Act (as extended by Section 422 thereof) is outstanding or has
     been waived since the Balance Sheet Date.

(r)  For the purposes of value added tax:

     (i)    The Company and its U.K. Subsidiaries are registered and taxable
            persons, have complied with all the requirements of the VAT Act and
            all applicable regulations, have fully maintained complete, correct
            and up-to-date records, invoices and other necessary documents;
 
     (ii)   All value added tax for which the Company and its Subsidiaries were
            liable to account on or before the date of this Agreement to H.M.
            Commissioners of Customs and Excise have been paid to them;

     (iii)  The Company and its Subsidiaries have never been registered as
            members of a group of companies for value added tax purposes;

     (iv)   The Company and its Subsidiaries are not liable and will not (in
            respect of anything done before the Closing) be liable:

            -  to a penalty under Sections 63, 67, 68 and 69 of the VAT Act;

            -  to interest under Section 74 of the VAT Act; or

            -  to a surcharge under Section 59 VAT Act;

     (v)    Neither the Company nor any of its Subsidiaries nor any of their
            respective officers or directors is or will (in respect of anything
            done before the Closing) be liable to a penalty under Sections 60 or
            61 of the VAT Act;

     (vi)   The Company and its Subsidiaries are not and were not partially
            exempt in its current or preceding value added tax year;

     (vii)  The Company and its Subsidiaries are not bound and have not agreed
            to become bound by any lease, tenancy or license under which they
            are or could become liable to pay an amount in respect of value
            added tax chargeable as a result of the making of an election to
            waive exemption under Schedule 10 to the VAT Act and the Company and
            its Subsidiaries have not exercised the right to opt to tax rent
            receivable from any property;

     (viii) No capital goods have been purchased in respect of which a future
            adjustment of the input value added tax may be required (Part XV of
            the Value Added Tax Regulations 1995);

     (ix)   So far as the Sellers are aware, there are no errors in returns
            already submitted which have not been voluntarily disclosed to HM
            Commissioners of Customs and Excise at a time when the Company and
            its Subsidiaries had no reason to believe that inquiries were being
            made into their affairs (Section 63 of the VAT Act); and

                                     - 32 -
<PAGE>
 
     (x)   The Company and its Subsidiaries are not required to be registered
           for value added tax in another member state of the EC apart from
           their country of incorporation.

(s)  All documents in the possession or under the control of the Company and its
     Subsidiaries and which attract stamp duty (or its equivalent) in the United
     Kingdom, France, Belgium, The Netherlands and Germany have been properly
     stamped.

(t)  The Company and its Subsidiaries have not within the past twelve months
     suffered any investigation audit or visit by the Inland Revenue, Customs
     and Excise, Department of Health & Social Security, or any other taxation
     or excise authority, and the Sellers have no knowledge of any such
     investigation audit or visit planned for the next twelve months.

(u)  (i)   The Company and its Subsidiaries have not at any time after April 6,
           1965 repaid, redeemed or purchased any shares or granted an option
           under which it may become liable to purchase any shares of any class
           of its issued share capital; and

     (ii)  No securities issued by the Company or any of its Subsidiaries were
           issued in such circumstances that any interest or other distribution
           out of assets in respect thereof fails to be treated as a
           distribution under Section 209(2)(d) or (e) of the Taxes Act.

(v)  (i)   No event has occurred since the Balance Sheet Date otherwise than in
           the ordinary course of business by reason of which any balancing
           charge may fall to be made against or any disposal value may fall to
           be brought into account by the Company or any of its Subsidiaries
           under the CAA;

     (ii)  Save as provided for in the Balance Sheet, the values attributed to
           the consolidated assets of the Company as at the Balance Sheet Date
           are such that no balancing charge will be made on the Company on any
           disposal of any asset for a consideration equal to such value;

     (iii) There has been no disallowance and there is no potential
           disallowance of first year allowances on the purchase of any plant or
           machinery under Section 75 and 76 of the CAA; and

     (iv)  No capital goods (as defined for the purposes of the value added tax
           capital goods scheme) have been purchased in respect of which future
           adjustments to capital allowances will be required.

(w)  No tax on another member of a group is recoverable from the Company or any
     of its Subsidiaries under Section 190 TCGA.

(x)  There has been no major change in the nature or conduct of the trade of the
     Company or its Subsidiaries within the period of three (3) years ending on
     the Closing Date for the purposes of Section 245, Section 245A or Section
     245B of the Taxes Act.

(y)  (i)   The Company is and has throughout the past six years been resident in
           the United Kingdom for corporation tax purposes and has not been a
           dual resident company within the meaning of Section 404(4) of the
           Taxes Act nor has the Company been involved in any transaction to
           which Section 404 of the Taxes Act or any other provision (including
           any 

                                     - 33 -
<PAGE>
 
           exclusion from a provision) relating to dual resident investing
           companies as there defined could apply;

     (ii)  The Company and its Subsidiaries have not in the past six years had
           any interest in a controlled foreign company as defined in Section
           747 of the Taxes Act nor any material interest in an offshore fund as
           defined in Section 759 of the Taxes Act; and

     (iii) The Company and its Subsidiaries have not made any election to treat
           a dividend as a foreign income dividend for the purposes of Section
           246A of the Taxes Act.

(z)  No transactions or arrangements involving the Company or any of its
     Subsidiaries have taken place or are in existence which are such that any
     of the provisions of Section 770 to Section 773 of the Taxes Act have been
     or could be applied to them or that a direction has been or could be made
     under paragraph I of Schedule 6 to the VAT Act.

(aa) Neither the execution and delivery of this Agreement and the Company
     Ancillary Agreements nor the consummation of the transactions contemplated
     hereby or thereby will render the Company or any of its Subsidiaries liable
     to any, or any additional, taxation.

(bb) (i)   The Company and its Subsidiaries are not liable to be assessed
           inheritance tax by virtue of Section 202 of the United Kingdom
           Inheritance Tax Act 1984; and

     (ii)  There is no potential liability or any unsatisfied liability to
           inheritance tax attached or attributable to the Shares or to any
           assets of the Company or its Subsidiaries such that they are or may
           hereafter become subject to an Inland Revenue charge as mentioned in
           Sections 237 and 238 of the United Kingdom Inheritance Tax Act 1984.

(cc) The Company and its Subsidiaries have not made any purchase of their own
     shares such as is mentioned in Section 219 of the Taxes Act or otherwise in
     respect of which no Inland Revenue clearance has been obtained.

(dd) Advance clearance has been obtained from the Inland Revenue, and the terms
     of all clearances complied with, for all transactions within the six year
     period ending on the Closing Date falling within the following provisions
     to which the Company or any of its Subsidiaries have been a party:

     (i)   Company reconstructions and amalgamations (Section 138 of the TCGA);

     (ii)  Transfer of business to another company (Section 139 of the TCGA);

     (iii) Demergers (Section 215 of the Taxes Act);

     (iv)  Purchase of own shares (Section 225 of the Taxes Act); and

     (v)   Transactions insecurities (Section 707 of the Taxes Act).

Section 4.18  Insurance.  Section 4.18 of the Seller Disclosure Schedule sets
              ---------   ------------                                       
forth a list and summary of all insurance policies and performance bonds
covering the assets, business, operations and employees of the Company and its
Subsidiaries, all of which, so far as the Sellers are aware,  are in full force
and effect.  There is no claim by the Company or any of its Subsidiaries pending
under any of such policies or bonds as 

                                     - 34 -
<PAGE>
 
to which coverage has been questioned, denied or disputed by the underwriters of
such policies or bonds. All premiums due and payable under all such policies and
bonds have been paid, and the Company and its Subsidiaries are otherwise in
compliance in all material respects with the terms and conditions of all such
policies and bonds.

Section 4.19  Books and Records.
              ----------------- 

The books, records and accounts of the Company and each of its Subsidiaries (i)
are true and complete in all material respects and have been maintained in
accordance with good business practices on a basis consistent with prior years,
(ii) are stated in reasonable detail and accurately in all material respects and
fairly reflect the transactions and dispositions of the assets of the Company
and its Subsidiaries, (iii) accurately in all material respects and fairly
reflect the basis for the Company Audited Financial Statements and the Company
Unaudited Financial Statements and (iv) have been properly maintained and
contain accurate records in all material respects of all matters required to be
entered in them by the Companies Act.

Section 4.20  Compliance with Governmental Regulations.  The Company and its
              ----------------------------------------                      
Subsidiaries are not, and have not been, in violation in any material respect of
any United Kingdom, United States, foreign, state or local law, statute,
ordinance, rule, regulation or court or administrative order relating to the
operation, conduct or ownership of the property, business or affairs of the
Company or any of its Subsidiaries.

Section 4.21  Environmental Compliance.  No Pollution of the Environment in
              ------------------------                                     
violation of any law relating to protection of the Environment (whether in the
United Kingdom, the United States or elsewhere) or at levels in excess of that
permitted under any such law has occurred at, under or from any of the
properties owned or occupied by the Company or any of its Subsidiaries.  The
Company and its Subsidiaries have complied and continue to comply in all
material respects with all laws relating to protection of the Environment
(whether in the United Kingdom, the United States or elsewhere) and have filed
all notifications required to enable them lawfully and properly to operate their
business at and from their properties.  In this Section 4.21, "Pollution of the
Environment" and "Environment" have the meanings given to them by the United
Kingdom Environmental Protection Act 1990.

Section 4.22  Fire, Flood, Accident, Etc.  Since the Balance Sheet Date, neither
              ---------------------------                                       
the Company nor its Subsidiaries has sustained any loss on account of fire,
flood, accident or other calamity of such character as to interfere with the
continued operation of its business, regardless of whether or not such loss
shall have been insured against.

Section 4.23  Real Estate.
              ----------- 

(a)  Section 4.23 of the Seller Disclosure Schedule contains a schedule setting
     ------------                                                              
     forth and describing all real estate which is owned or leased by the
     Company or any of its Subsidiaries, or in which the Company or any of its
     Subsidiaries have any other right, title or interest.  With respect to real
     estate owned by the Company or any of its Subsidiaries, the Company or its
     Subsidiaries have good title to the property free of all charges,
     encumbrances and other third party rights, are in undisputed possession and
     occupation of the property and have in their possession or under their
     control all relevant deeds and documents.  Where the title to the property
     owned by the Company or its Subsidiaries requires registration at H.M. Land
     Registry, it had been duly so registered as title absolute and the Company
     or its Subsidiaries are the registered proprietor of the property.  True
     and complete copies of each lease have been provided to Parent and such
     leases constitute the entire understanding relating to the Company's or its
     Subsidiaries' use and occupancy of the leased 

                                     - 35 -
<PAGE>
 
     premises. The leases are presently in full force and effect without further
     amendment or modification. The Company and its Subsidiaries are in
     compliance in all material respects with all obligations under any lease
     and have received no notice of any breach, and the Sellers do not have
     knowledge of any state of facts which with or without the giving of notice
     or the passage of time, or both, would constitute a default by the Company,
     any of its Subsidiaries or any other party thereunder.

(b)  To the knowledge of the Sellers, the buildings and any improvements to the
     buildings located on the real estate described in Section 4.23 of the
                                                       ------------       
     Seller Disclosure Schedule and the use of the real estate are not the
     subject of any official complaint or notice of violation of any applicable
     zoning ordinance, planning legislation and/or building code and there is no
     building use or occupancy restriction or condemnation proceeding pending or
     threatened against the Company or any of its Subsidiaries.

Section 4.24  Bank Accounts.  Section 4.24 of the Seller Disclosure Schedule
              -------------   ------------                                  
sets forth and describes all bank accounts owned or maintained by the Company or
any of its Subsidiaries and all authorized signatories with respect thereto.
Neither the Company nor any of its Subsidiaries maintains any safety deposit
boxes.

Section 4.25  Pensions; Employee Plans.
              -------------------------

(a)  As used herein,

     (i)   "Disclosed Scheme" means the retirement benefits scheme known as The
           Peter Chadwick Limited Pension Scheme which is currently governed by
           a Definitive Trust Deed dated September 25, 1995;

     (ii)  "Approved" means approved by the Board of Inland Revenue as an exempt
           approved scheme (within the meaning of Section 592 of the Taxes Act)
           and "Approval" has the corresponding meaning;

     (iii) "relevant benefit" means any pension, lump sum, gratuity or other
           like benefit given or to be given on retirement or on death, or in
           anticipation of retirement, or, in connection with past service,
           after retirement or death, or to be given on or in anticipation of or
           in connection with any change in the nature of the service of the
           employee in question; and

     (iv)  "trustees" means the trustees of the Disclosed Scheme.

(b)  Except pursuant to the Disclosed Scheme, no agreement or arrangement
     currently exists for the provision by the Company or any of its
     Subsidiaries of or towards any relevant benefit for or in respect of any
     officer or employee or former officer or employee (or for any spouse, child
     or dependent of any such person) of the Company or of any predecessor in
     business of the Company or any Subsidiary of the Company;

(c)  The following documents are included in Section 4.25 of the Seller
                                             ------------              
     Disclosure Schedule or have otherwise been provided to Parent:

                                     - 36 -
<PAGE>
 
     (i)    true and complete copies of the trust deeds, rules and other
            documents containing the provisions currently governing the
            Disclosed Scheme (including all notices, announcements and
            explanatory literature of current effect);

     (ii)   the names and addresses of the current trustees and administrators
            of the Disclosed Scheme;

     (iii)  a complete copy of the latest audited accounts of the Disclosed
            Scheme (including the auditor's report);

     (iv)   a list reflecting the position at June 30, 1997 of the Disclosed
            Scheme's active members;

     (v)    a statement of the basis on which the Company and the members of the
            Disclosed Scheme contribute to the Disclosed Scheme (including a
            statement of entitlements to the incentive payments pursuant to
            Section 7 of the United Kingdom Social Security Act 1986) and make
            payments in respect of the expenses of administration and management
            of the Disclosed Scheme;

     (vi)   full particulars of the assets of the Disclosed Scheme of any
            investment in which more than 5% of the total value of the net
            assets of the Disclosed Scheme is invested and of any requirements
            relating to the Disclosed Scheme's investments imposed by the Inland
            Revenue (other than requirements relating to Approved retirement
            benefit schemes generally);

     (vii)  a complete copy of each agreement with any person providing services
            of any nature in connection with the Disclosed Scheme, including
            (but without limitation) investment management or advisory services,
            administration and data processing services; and

     (viii) a complete copy of the contracting-out certificate in force in
            relation to the Disclosed Scheme.

(d)  No proposal or assurance (oral or written) has been announced or given to
     any person regarding the continuance, introduction, increase or improvement
     of any relevant benefit in connection with the Disclosed Scheme except for
     increases which are payable as of right under the terms of the documents
     which govern the Disclosed Scheme or at law.

(e)  The documents referred to in Section 4.25(c)(i) contain full particulars of
     all the benefits provided by and the terms of the Disclosed Scheme.

(f)  So far as the Sellers are aware, every person who is entitled to membership
     of the Disclosed Scheme has been invited to join the Disclosed Scheme as of
     the date on which he became entitled.

(g)  So far as the Sellers are aware, no power has been exercised under the
     Disclosed Scheme to admit to membership any person not automatically
     eligible, or to grant or augment benefits or provide additional benefits
     not otherwise provided under the Disclosed Scheme.

(h)  No employer other than the Company participates in the Disclosed Scheme.

                                     - 37 -
<PAGE>
 
(i)  The Company has duly complied with its obligations under the Disclosed
     Scheme; all amounts due to be paid (including actuarial, trusteeship,
     consultancy, legal, audit and administrative expenses) in respect of the
     Disclosed Scheme (whether payable by the Sellers, the Company, Subsidiaries
     of the Company, the members or the trustees) have been paid.

(j)  The books of account, trustees' minutes and other records of the Disclosed
     Scheme have been properly and accurately maintained and, so far as the
     Sellers are aware,  all such books, minutes and records and originals of
     the documents which govern the Disclosed Scheme are in the possession of
     the trustees.

(k)  The Disclosed Scheme is Approved and the employments of the active members
     of the Disclosed Schemes are contracted out of the State Earnings Relating
     Pension Scheme (within the meaning of the United Kingdom Pension Schemes
     Act 1993); all state scheme premiums (within the meaning of that Act) due
     in respect of any member or former member of the Disclosed Scheme have been
     paid in accordance with the statutory requirements; so far as the Sellers
     are aware, nothing has been done or omitted to be done which will or may
     result in the Disclosed Scheme ceasing to be Approved or the contracted-out
     status of the Disclosed Scheme being withdrawn or ceasing to apply.

(l)  So far as the Sellers are aware, the Disclosed Scheme has at all times been
     operated in accordance with all material provisions of relevant statutes
     and regulations (including without limitation the requirements for
     Approval, the provisions relating to preservation, equal access, disclosure
     of information, registration, revaluation and transfer values and the equal
     treatment requirements of Article 119 of the Treaty of Rome) and in
     accordance with the trusts powers and provisions of the documents which
     govern the Disclosed Scheme and with due regard to the general requirements
     of trust law.

(m)  All premiums payable under contracts of insurance relating to the Disclosed
     Scheme have been paid; all lump sum benefits payable in the event of the
     death of a member in service are fully insured.

(n)  No claim has been made or threatened against the Company, any of its
     Subsidiaries, or, so far as the Sellers are aware, the trustees or against
     any person whom the Company, any of its Subsidiaries or the Sellers are or
     may be liable to indemnify or compensate, in respect of any act, event or
     omission arising out of or in connection with the Disclosed Scheme (other
     than routine claims for benefits), and the Sellers do not have knowledge of
     any circumstances which may give rise to any such claim.

(o)  No employee of the Company or any of its Subsidiaries will become entitled
     to any bonus, retirement, severance or similar benefit or enhanced benefit
     solely as a result of the transactions contemplated hereby.

(p)  No provision of this Section 4.25 shall create any third party beneficiary
     or other rights in any employee or former employee (including any
     beneficiary or dependent thereof) of the Company or any of its Subsidiaries
     in respect of continued employment (or resumed employment) with either
     Parent, any of its affiliates, the Company or its Subsidiaries and no
     provision of this Section 4.25 shall create any such rights in any such
     persons in respect of any benefits that may be provided, directly or
     indirectly, under the Disclosed Scheme or any plan or arrangement that may
     be established by Parent, any of its affiliates, the Company or its
     Subsidiaries.  No provision of this 

                                     - 38 -
<PAGE>
 
     Agreement shall constitute a limitation on rights to amend, modify or
     terminate after the Closing Date the Disclosed Scheme or any such plans or
     arrangements of Parent, any of its affiliates, the Company or its
     Subsidiaries.

Section 4.26  Finders; Fees.  Except for Broadview Associates, whose fees will
              -------------                                                   
be paid in accordance with Section 8.7, there is no investment banker, broker,
finder or their intermediary which has been retained by or is authorized to act
on behalf of any Seller or the Company who might be entitled to any fee or
commission from Parent, the Company, any of the Company's Subsidiaries or any of
their respective affiliates in connection with the transactions contemplated by
this Agreement.

Section 4.27  Commercial Position.  Neither the Company nor any of its
              -------------------                                     
Subsidiaries has received notice from any client, who accounted for a material
percentage of the aggregate services provided by the Company and its
Subsidiaries in the 18 month period prior to Closing, that due to a
dissatisfaction with the performance of the Company or its Subsidiaries either
(i) it does not intend to continue to use the Company or its Subsidiaries (if
any project with such client is on-going) or (ii) it would not use the Company
or its Subsidiaries for any relevant project in the future.

Section 4.28  Conflicts of Interest.  To the knowledge of the Sellers, none of
              ---------------------                                           
the directors, officers, or employees of the Company or any of its Subsidiaries
and none of the Sellers (a) has any material direct or indirect interest in any
entity which does business with the Company or any of its Subsidiaries; (b) has
any direct or indirect interest in any property, asset or right which is used by
the Company or any of its Subsidiaries in the conduct of their businesses; or
(c) has any contractual relationship with the Company or any of its Subsidiaries
other than such relationships which occur from being an officer, employee,
director or securityholder of the Company or any of its Subsidiaries.  Without
limiting the generality of the foregoing, there is not outstanding any loan made
by the Company or any of its Subsidiaries to, or debt owing to the Company or
any of its Subsidiaries by, any of the Sellers or any director of the Company
(including any Subsidiary of the Company) or any person connected with any of
them as described in Section 839 of the Taxes Act (including the meaning of
"control" defined in Section 840 of that Act).

Section 4.29  Restrictive Agreements.  No agreement or arrangement to which the
              ----------------------                                           
Company or any of its Subsidiaries is a party:

(a)  Is, or is required to be, registered under the United Kingdom Restrictive
     Trade Practices Act 1976 or, so far as the Sellers are aware, notified
     under or pursuant to Article 85 or 86 of the Treaty of Rome or pursuant to
     any regulation or directive made thereunder or any other anti-trust or
     similar legislation in any jurisdiction in which the Company or any of its
     Subsidiaries carries on business or has assets or sales;

(b)  Contravenes any provision of that Act or of either of those Articles
     referred to in clause (a) above or of any such regulation or directive or
     of any such legislation or any secondary legislation adopted under the
     United Kingdom Fair Trading Act 1973;

(c)  Restricts the freedom of the Company or its Subsidiaries to provide and
     obtain goods and services by such means as it may in its absolute
     discretion determine; or

(d)  Is void or unenforceable (whether in whole or in part) or may render the
     Company or its Subsidiaries liable to proceedings under any such
     legislation as is referred to in paragraphs (a) and (b) above.

                                     - 39 -
<PAGE>
 
Section 4.30  Consumer Trade, Anticompetitive and Other Practices.  None of the
              ---------------------------------------------------              
practices of the Company or any of its Subsidiaries are or have been the subject
of or, so far as the Sellers are aware, susceptible to or affected by, any
investigation, reference, report or order made under the United Kingdom Fair
Trading Act 1973 or the United Kingdom Competition Act 1980 and no undertaking
has been given by the Company or any of its Subsidiaries pursuant to any action
taken under either of those Acts.

Section 4.31  Notice of Official Action.  The Company and its Subsidiaries have
              -------------------------                                        
not received any process, notice or communication, formal or informal, by or on
behalf of the Office of Fair Trading, the Monopolies and Mergers Commission, the
Secretary of State, the European Commission or any other authority of any
country having jurisdiction in anti-trust matters, in relation to any aspect of
the businesses of the Company or any of its Subsidiaries or any agreement or
arrangement to which the Company or any of its Subsidiaries is or was, or is
alleged to be or have been, a party, and to the knowledge of the Sellers, the
Company and its Subsidiaries are not likely to receive any such process, notice
or communication.

Section 4.32  Offering Memorandum.  The information regarding the Sellers and
              -------------------                                            
the Company and its Subsidiaries and the officers, directors and shareholders of
the Company and its Subsidiaries included in the Offering Memorandum did not, on
the date the Offering Memorandum (or any amendment thereof or supplement
thereto) was first mailed to the Sellers and at the Closing, contain any
statement which, in light of the circumstances under which it was made, was or
is false or misleading with respect to any material fact, or omit to state any
material fact necessary in order to make the statements made therein not false
or misleading, or omit to state any material fact necessary to correct any
statement in any earlier communication with the Sellers in connection with this
Agreement or the transactions contemplated hereby which has become materially
false or misleading.  Notwithstanding the foregoing, for the avoidance of
doubt no Seller makes any representation or warranty with respect to any
information regarding Parent and its Subsidiaries and the officers, directors
and shareholders of Parent which is contained in any of the foregoing documents.


                                   ARTICLE V

                     SEVERAL REPRESENTATIONS AND WARRANTIES
                                 OF EACH SELLER

Each Seller, severally and not jointly, represents and warrants to Parent as
follows:

(a)  Such Seller (other than if such Seller is acting in the capacity as a
     trustee) shall sell with full title guarantee (and if such Seller is acting
     as a trustee shall sell with limited title guarantee) the Shares designated
     as owned by such Seller opposite such Seller's name on Schedule 1, free and
                                                            ----------          
     clear of any and all restrictions on transfer, liens, encumbrances,
     security interests, equities and claims whatsoever.  All Shares owned by
     such Seller have been duly authorized and validly issued and are fully
     paid.  All Shares to be sold by such Seller are registered in the name of
     such Seller.  Except as set forth on Schedule 1 hereto, such Seller does
                                          ----------                         
     not own any shares, share capital or other securities of the Company or
     have any right to acquire any shares, share capital or other securities
     (whether upon exercise of options or otherwise) of the Company.

(b)  If such Seller holds any Options, such Options have been duly and properly
     granted to such Seller and, save as set out in the Rules pursuant to which
     such Options were granted, such Seller holds the Options free of any and
     all restrictions on transfer, liens, encumbrances, security interests,
     equities or claims whatsoever.

                                     - 40 -
<PAGE>
 
(c)  Such Seller has full legal right, power and authority to enter into and
     perform this Agreement and each of the Seller Ancillary Agreements to which
     it is a party.  This Agreement and each of the Seller Ancillary Agreements
     to which it is a party have been duly authorized, executed and delivered by
     such Seller and are valid and binding agreements of such Seller enforceable
     against such Seller in accordance with their respective terms.

(d)  If such Seller has executed and delivered a Power of Attorney, such Seller
     has full legal right, power and authority to execute and deliver the Power
     of Attorney appointing the attorneys named therein as such Seller's
     attorneys with respect to actions to be taken by such Seller with respect
     to this Agreement and the Seller Ancillary Agreements, including execution
     and delivery of such agreements; and the Power of Attorney has been duly
     authorized, executed and delivered by such Seller and is a valid and
     binding agreement of such Seller enforceable against such Seller in
     accordance with its terms.

(e)  The execution, delivery and performance of this Agreement and the Seller
     Ancillary Agreements to which such Seller is a party by or on behalf of
     such Seller, compliance by such Seller with all the provisions hereof and
     thereof and the consummation of the transactions contemplated hereby and
     thereby will not require any consent, approval, authorization or other
     order of, or declaration, filing or registration with, any court,
     regulatory body, administrative agency or other governmental body
     (including, without limitation, any filing under the United States Hart-
     Scott-Rodino Antitrust Improvements Act of 1976, as amended), will not
     conflict with or constitute a breach or default (with or without notice or
     lapse of time or both) under any agreement, indenture or other instrument
     to which such Seller is a party or by which such Seller or property of such
     Seller is bound (including the charter or other organizational documents of
     any Seller which is not an individual), and will not violate or conflict
     with any laws or administrative regulations or any ruling, judgment or
     court decree applicable to such Seller or property of such Seller.

(f)  There is no action, suit, claim, investigation or proceeding pending
     against or, so far as such Seller is aware, threatened against such Seller
     or its properties and assets relating to the transactions contemplated
     hereby before any court or arbitrator or any governmental body, agency,
     official or authority.


                                   ARTICLE VI

                                   COVENANTS

Section 6.1  Public Announcements.  Parent and the Sellers (through the Seller
             --------------------                                             
Representatives) will consult with each other before issuing any press release
or otherwise making any public statements with respect to the transactions
contemplated hereby and shall not issue any such press release or make any such
public statement prior to such consultation, except as may be required by law or
applicable regulation.

Section 6.2  Pooling.  Parent and each of the Sellers shall use all reasonable
             -------                                                          
efforts and shall cooperate fully and shall take all actions as are reasonably
necessary to allow the acquisition of the Company and its Subsidiaries by Parent
as contemplated by this Agreement to be accounted for as a "pooling of
interests" in accordance with United States generally accepted accounting
principles which shall be acceptable to the Commission, except where the
Sellers, acting reasonably, decide that any such actions would materially
prejudice their rights or interests.

                                     - 41 -
<PAGE>
 
Section 6.3  Parent Protective Provisions.  Each of the Sellers respectively
             ----------------------------                                   
undertakes to and covenants with Parent (on its behalf and on behalf of the
Company) as a constituent part of this Agreement and in consideration of the
receipt of the Consideration Stock and for other good and valuable consideration
as follows:

(a)  Save with the prior written consent of Parent, each Seller undertakes and
     covenants that he will not at any time while he is a Director or employee
     of the Company or any Group Company and for the stated period set opposite
     his name in column 3 of Schedule 5 after he has ceased to be such a
                             ----------                                 
     Director or employee (or, if not now a Director or employee, after the date
     hereof) (the "Termination Date") directly or indirectly on his own behalf
     or on behalf of any other person, concern, undertaking, firm or body
     corporate deal with, seek employment or engagement with, be employed or
     engaged in business with or be in any way directly or indirectly interested
     in or connected with any person, concern, undertaking, firm or body
     corporate which engages in or carries on in any country any business which
     competes or seeks to compete with any business of a kind which is for the
     time being carried on by the Company and/or any Group Company in that
     country and in which the Seller in question has been involved on behalf of
     the Company and/or any Group Company at any time within twelve months
     immediately preceding the Termination Date.

(b)  Save with the prior written consent of Parent, each Seller covenants that
     he will not at any time while he is a Director or employee of the Company
     or any Group Company (or, if not now a Director or employee, after the date
     hereof) and for the stated period set opposite his name in column 4 of
                                                                           
     Schedule 5 after he has ceased to be such a Director or employee directly
     ----------                                                               
     or indirectly:

     (i)    in competition with the Company or any Group Company deal with, seek
            employment or engagement with, be employed or engaged by, engage in
            business with or solicit the custom of (or offer or agree to provide
            goods or services of a like description to those provided by the
            Company or any Group Company to) any person, concern, firm,
            undertaking or body corporate which is, or which has at any time
            during the period of two years preceding that event been, a customer
            or client of the Company or any Group Company (including a customer
            or client of the Company or any Group Company to whom the Company
            has made a presentation or other such offer or request to provide
            services and which has not been finally refused or rejected by the
            customer or client and for whom he has provided services and/or with
            whom he has dealt on behalf of the Company and/or any group company
            during the aforementioned period of two years);

     (ii)   interfere or seek to interfere with contractual or other trade
            relations between the Company or any Group Company and any of its or
            their suppliers;

     (iii)  solicit, interfere with or endeavor to entice away from the Company
            or any Group Company any person who is an employee, officer or
            consultant of the Company or any Group Company (whether or not such
            person would commit a breach of the terms of his contract of
            employment by leaving the service of the company concerned) or
            knowingly employ, or assist in or procure the employment by any
            other person, concern, undertaking, firm or body corporate of, any
            such person.

(c)  Save with the prior written consent of Parent, each Seller covenants that
     he will not at any time hereafter divulge to any person or otherwise make
     use of any secrets, trade secrets or confidential knowledge or information
     concerning the business of the Company or of any Group Company or of 

                                     - 42 -
<PAGE>
 
     any of their respective customers or clients and will use his reasonable
     endeavors to prevent the publication or disclosure of any such secrets,
     knowledge or information by any third party.

(d)  Each Seller covenants that he will not at any time while he is a Director
     of employee of the Company or of any Group Company communicate to any
     person, concern, undertaking, firm or body corporate anything which is
     intended to or which will or may damage the reputation or good standing of
     the Company and/or any Group Company.

(e)  Each Seller covenants that he will not at any time after he has ceased to
     be a Director or employee of the Company or any Group Company (save with
     the previous express written consent of Parent) represent himself as being
     in any way connected with or interested in the business of the Company
     and/or any Group Company.

(f)  While the restrictions set out in this Section 6.3 are considered by the
     parties hereto to be reasonable in all the circumstances for the protection
     of the legitimate interests of Parent, the Company and any Group Company,
     it is agreed that if any of those restrictions are adjudged to be void or
     ineffective for any reason but would be adjudged valid and effective if
     part of the wording were deleted, or their periods were reduced, or their
     area were reduced in scope, the restrictions shall apply with such
     modifications as may be necessary to make them valid and effective.  It is
     further acknowledged that the restrictions contained in Section 6.3(b)
     shall apply in relation to all customers and suppliers notwithstanding that
     such customers and suppliers may have been introduced to the Company and/or
     any Group Company by such Seller before or during his employment or
     directorship with the Company and/or any Group Company.

(g)  The restrictions contained in Sections 6.3(b) through (e) inclusive shall
     be construed as separate and individual restrictions and shall each be
     capable of being severed without prejudice to the other restrictions or to
     the remaining provisions of this Agreement.

(h)  Each Seller hereby agrees that he will at the request and cost of Parent
     enter into a direct agreement or undertaking with any Group Company whereby
     he will accept restrictions and provisions corresponding to (and no greater
     in scope than) the restrictions and provisions contained in this Section
     6.3 (or such of them as may be appropriate in the circumstances) in
     relation to such services and such area and for such period as such company
     or companies may reasonably require for the protection of its or their
     legitimate interests.

(i)  Before accepting any offer of alternative employment each Seller undertakes
     that he shall provide a copy of the covenants referred to above to his
     respective new employer.

(j)  It is agreed that the restrictions set forth in this Section 6.3 are
     without prejudice to other express or implied duties whether fiduciary or
     otherwise owned by each Seller to the Company and/or any Group Company.

                                     - 43 -
<PAGE>
 
                                  ARTICLE VII

            SURVIVAL OF REPRESENTATIONS, WARRANTIES AND COVENANTS;
                            REIMBURSEMENT OF PARENT

Section 7.1.  Reimbursement of Parent.
              ----------------------- 

(a)  Each Seller agrees to pay to Parent an amount equal to such Seller's Pro
     Rata Share (subject to Section 7.3(d)) of any and all losses and damages
     incurred or suffered by Parent or any of its Affiliates (save for the
     Company and its Subsidiaries) and reasonable legal and accounting fees and
     expenses incurred or suffered by Parent or any of its Affiliates with
     respect to, in connection with or resulting from the failure of any
     representation or warranty set forth in Article IV hereof to be true and
     correct in all respects as of the date of this Agreement (collectively,
     "Article IV Losses" and individually, an "Article IV Loss").

(b)  Each Seller agrees to pay to Parent an amount equal to such Seller's Pro
     Rata Share (subject to Section 7.3(d)) of any fees and expenses (including
     value added tax) paid or payable by, or charged to, Parent or the Company
     and for which the Sellers are responsible as set forth in the last sentence
     of Section 8.7 (collectively, "Expense Losses" and individually, an
     "Expense Loss").

(c)  Each Seller agrees to pay to Parent an amount equal to such Seller's Pro
     Rata Share (subject to Section 7.3(d)) of any and all amounts payable in
     accordance with the Deed Relating to Taxation (collectively, "Tax Losses"
     and individually, a "Tax Loss").

(d)  Each Seller agrees to pay to Parent an amount equal to any and all losses,
     damages, and reasonable legal and accounting fees and expenses incurred or
     suffered by Parent or any of its Affiliates with respect to, in connection
     with or resulting from the failure of any representation or warranty of
     such Seller set forth in Article V hereof, in the Seller Representation
     Letter or in the Power of Attorney executed by such Seller to be true and
     correct in all respects as of the date of this Agreement (collectively,
     "Seller Specific Losses" and individually, a "Seller Specific Loss").

(e)  The term "Escrow Loss" refers to any Article IV Loss, any Expense Loss or
     any Tax Loss and "Escrow Losses" refers to Article IV Losses, Expense
     Losses and Tax Losses.  The term "Loss" refers to any Escrow Loss or any
     Seller Specific Loss (as defined below).

Section 7.2  Survival of Representations and Warranties and Covenants.  All
             --------------------------------------------------------      
covenants of the Sellers and Parent set forth herein or in any Seller Ancillary
Agreement or Purchaser Ancillary Agreement shall survive the execution and
delivery of this Agreement.  All representations and warranties of the Sellers
and Parent set forth herein, in the Seller Representation Letters and in the
Power of Attorney shall survive the execution and delivery of this Agreement,
any investigation by or on behalf of the Sellers or Parent, as the case may be,
and the completion of the transactions contemplated hereby and shall terminate
on the first anniversary of the Closing Date, in the case of the representations
and warranties of Parent and the representations and warranties of the Sellers
set forth in Article IV hereof, and on the second anniversary of the Closing
Date, in the case of the representations and warranties of each Seller set forth
in Article V hereof, in the Seller Representation Letters and in the Power of
Attorney, except, in each case, with respect to, and to the extent of, any claim
of which written notice specifying, in reasonable detail, the nature and amount
of the claim has been given prior to such expiration; provided, however, that
                                                      --------  -------      
nothing in this Section 7.2 shall be deemed to limit any right or remedy for
fraud with respect to the representations and warranties set forth in Article IV
hereof if and to the extent notice thereof is given on or prior to the date
which is

                                     - 44 -
<PAGE>
 
ninety (90) days following completion of the statutory audit of the Company for
the calendar year ending December 31, 1998 which is expected to be completed on
or about February 15, 1999.  Parent shall not be entitled to payment under
Section 7.1(c) unless and to the extent a claim therefor is made on or prior to
the first anniversary of the Closing Date.

Section 7.3  Limitations.
             ----------- 

(a)  Parent shall not be entitled to payment pursuant to Section 7.1(a) hereof
     or pursuant to Section 7.1(c) hereof unless the aggregate amount of all
     Article IV Losses and all Tax Losses collectively exceed (Pounds)303,030
     (the "Reimbursement Threshold"), whereupon Parent shall be entitled to
     payment hereunder for the full amount of all such Article IV Losses and Tax
     Losses, without taking into account, and without any deduction for, the
     Reimbursement Threshold.  For the avoidance of doubt, Parent shall be
     entitled to payment pursuant to Section 7.1(b) hereof and pursuant to
     Section 7.1(d) hereof without regard to the Reimbursement Threshold.

(b)  Parent shall not be entitled to payment pursuant to Section 7.1(a) hereof
     or pursuant to Section 7.1(c) hereof for any Article IV Loss or Article IV
     Losses or any Tax Loss or Tax Losses (i) if they relate to taxes unless,
     and then only to the extent that, they exceed the general provision or
     reserve for taxes in the Company Audited Financial Statements of
     (Pounds)220,000 and (ii) if they relate to bad debts, credit notes or
     deferred income arising from success - related fees not received unless,
     and then only to the extent that, they exceed the general provision or
     reserve therefor in the Company Audited Financial Statements of
     (Pounds)330,000.  Any amount of Article IV Losses or Tax Losses for which
     Parent is not entitled to be reimbursed pursuant to this Section 7.3(b)
     shall not be deemed to be Article IV Losses or Tax Losses for purposes of
     calculating the Reimbursement Threshold under Section 7.3(a).

(c)  The aggregate liability of each Seller pursuant to Sections 7.1(a), (b) and
     (c) hereof shall be limited to (Pounds)21.82 multiplied by the number of
     shares of Parent Common Stock delivered to the Escrow Agent on behalf of
     such Seller pursuant to Section 2.2(a) hereof; provided that, in the case
     of any fraud in respect of the representations and warranties set forth in
     Article IV hereof, the foregoing limitations shall not apply and instead
     the aggregate liability of each Seller pursuant to Sections 7.1(a), (b) and
     (c) shall be limited to 51% of the value of the shares of Parent Common
     Stock and cash received by or on behalf of such Seller (including any
     shares of Parent Common Stock delivered to the Escrow Agent on behalf of
     such Seller) pursuant to Article II hereof, except with respect to any
     Seller committing such fraud, in which case no limitation set forth in this
     Section 7.3(c) shall apply; and, without prejudice to the preceding
     provisions of this sentence relating to the aggregate liability of each
     Seller pursuant to Sections 7.1(a), (b) and (c) only, the aggregate
     liability of each Seller pursuant to Sections 7.1(a), (b), (c) and (d)
     shall be limited to the value of the shares of Parent Common Stock and cash
     received by or on behalf of such Seller (including any shares of Parent
     Common Stock delivered to the Escrow Agent on behalf of such Seller)
     pursuant to Article II hereof.  Notwithstanding the foregoing, in the case
     of fraud committed by any Seller in respect of the representations and
     warranties of such Seller in Article V hereof, in the Seller Representation
     Letter or in the Power of Attorney executed by such Seller, no limitation
     set forth in Section 7.3(c) shall apply with respect to such Seller in
     respect of such fraud.  For purposes of this Section 7.3(c), the value of
     each share of Parent Common Stock shall be (Pounds)21.82.

(d)  The provisions in Section 7.1(a) and (c) limiting each Seller's payment
     obligation thereunder to its Pro Rata Share shall not apply to any Seller
     committing fraud in respect of any of the representations and warranties
     set forth in Article IV hereof. For the avoidance of doubt, in the

                                     - 45 -
<PAGE>
 
     case of a claim against a particular Seller for payment pursuant to Section
     7.1(d), the shares of Parent Common Stock held in escrow by the Escrow
     Agent on behalf of the other Sellers shall not be available to satisfy such
     claim.

(e)  No Seller shall have any liability for any Loss or Losses:  (i) which are
     contingent, unless and until such contingent liability becomes an actual
     liability; provided, however, that Parent shall be entitled to give notice
                --------  -------                                              
     with respect thereto for purposes of Section 7.2 and Section 7.5; (ii)
     which arise, or are increased, as a result of any increase in rates of
     taxation or any change in the law or published practice of a taxation
     authority made after the date of this Agreement with retroactive effect;
     (iii) which would not have arisen but for a voluntary act or transaction,
     which could reasonably have been avoided, carried out by Parent or any of
     its Subsidiaries after the date of this Agreement otherwise than in the
     ordinary course of business and which Parent or such Subsidiary was aware
     would give rise to such Loss or Losses, unless such act or transaction is
     taken under an obligation incurred prior to the date hereof or such act or
     transaction is taken with the prior written consent of the Seller
     Representatives; (iv) against which the Company or any of its Subsidiaries
     is insured and with respect to which the Company or any of its Subsidiaries
     actually receives payment from the relevant insurer or with respect to
     which the insurer has notified the Company or the relevant Subsidiary that
     it will not dispute the claim; or (v) which arise in respect of any taxes
     for which the Company or any of its Subsidiaries is liable as a result of
     the sale of the Options to Parent by holders thereof who are resident for
     tax purposes in France or otherwise subject to tax in France.

Section 7.4  Other Limitations.
             ----------------- 

(a)  Parent shall not be entitled to payment from the Sellers in respect of any
     Loss or Losses more than once in respect of the same Loss or Losses.  If
     Parent, the Company or any of its Subsidiaries is or may be entitled to
     recover from some person other than a Seller any Loss or Losses in respect
     of any matter giving rise to a claim for payment from the Sellers under
     this Article VII, Parent shall procure that all reasonable steps are taken
     to pursue recovery and, if any sum is so recovered, then either the amount
     of Losses payable by the Sellers in respect of that claim shall be reduced
     by an amount equal to the sum recovered (less the costs of such recovery)
     or (if any amount shall already have been paid by the Sellers in respect of
     that claim) there shall be repaid to the Sellers or restored to the Escrow
     Agent if the Escrow Termination Date (as defined in the Escrow Agreement)
     has not occurred and payment to Parent was made out of the escrow account
     an amount equal to the amount recovered (less the costs of such recovery)
     or (if less) the amount of such payment.  Parent acknowledges and agrees
     that it has not and does not rely on any representation or warranty of any
     person (whether a party to this Agreement or not) other than those
     representations and warranties set forth in this Agreement, the Power of
     Attorney and the Seller Representation Letters. Nothing in the preceding
     sentence, however, shall operate to limit or exclude any liability of any
     person for fraud.

(b)  Any amount of payment required under this Article VII shall be reduced by
     the net tax savings (after taking into account the tax effect, if any, of
     the receipt of such payment) actually realized by Parent for the taxable
     year or period in which the right to receive the payment arises,
     attributable to that portion of the Losses for which it receives such a
     payment.  Nothing in this Article VII shall limit Parent's or its
     Affiliates' obligation to mitigate any Article IV Loss or any Seller
     Specific Loss.

                                     - 46 -
<PAGE>
 
Section 7.5  Reimbursement Procedure.  (a)  Within a reasonable time after
             -----------------------                                      
obtaining knowledge of any state of facts, claim or demand which has given rise
to, or could reasonably be expected to give rise to, a claim for payment from
the Sellers or any of them for Losses hereunder, including, without limitation,
any claim by a third party described in Section 7.5(d) hereof (collectively, a
"Payment Claim"), Parent shall deliver to the party described in Section 7.5(b)
(the "Reimbursing Party") a certificate (the "Certificate"), which Certificate
shall:

     (i)  state that Parent or its Affiliates have paid or properly accrued
          Losses, or anticipate (reasonably and in good faith) that they will
          incur liability for Losses for which Parent is entitled to payment
          from the Sellers pursuant to this Agreement; and

     (ii) specify in reasonable detail each individual item of Loss included in
          the amount so stated, the date such item was paid or properly accrued,
          the basis for any anticipated liability and the nature of the
          misrepresentation or breach of warranty or claim to which each such
          item is related and the computation of the amount to which Parent
          (reasonably and in good faith) claims to be entitled hereunder.

(b)  Subject to Section 7.5(f), in the case of a claim for payment pursuant to
     Section 7.1(a), (b) or (c), Parent shall deliver the Certificate to the
     Seller Representatives and the Escrow Agent (an "Escrow Certificate") and,
     if the Certificate relates to a claim for payment under Section 7.1(d),
     Parent shall deliver the Certificate to the Seller to whom such claim
     relates (an "Individual Seller Certificate"), with a copy to the Seller
     Representatives and the Escrow Agent.  A Certificate shall be given by
     Parent whether or not the Reimbursement Threshold has been reached or is
     applicable.  Subject to the limitations set forth in Section 7.2, no
     failure or delay by Parent in delivering a Certificate shall reduce or
     otherwise affect Parent's right to payment hereunder except to the extent
     the Reimbursing Party has been actually prejudiced thereby.  If Parent
     sends an Individual Seller Certificate in connection with a Payment Claim,
     the Seller to whom such Certificate is sent shall be the Reimbursing Party
     hereunder; otherwise the Seller Representatives (on behalf of the Sellers)
     shall be the Reimbursing Party hereunder.  In any case where the Seller
     Representatives are the Reimbursing Party hereunder, the Seller
     Representatives are authorized to act on behalf of all Sellers with respect
     to the claim or claims with respect to which the Certificate was given.
     Such authority includes authority to determine whether to contest any claim
     or to agree to and settle any claim, in all cases without consulting any of
     the Sellers.

(c)  In case the Reimbursing Party shall object to the payment of Parent in
     respect of any claim or claims specified in any Certificate, the
     Reimbursing Party shall, within sixty (60) days after receipt by the
     Reimbursing Party of such Certificate, deliver to Parent a written notice
     to such effect and the Reimbursing Party and Parent shall, within the
     sixty-day period beginning on the date of receipt by Parent of such written
     objection, attempt in good faith to agree upon the rights of the respective
     parties with respect to each of such claims to which the Reimbursing Party
     shall have so objected.  If Parent and the Reimbursing Party shall succeed
     in reaching agreement on their respective rights with respect to any of
     such claims, Parent and the Reimbursing Party shall promptly prepare and
     sign a memorandum setting forth such agreement.  Should Parent and the
     Reimbursing Party be unable to agree as to any particular item or items or
     amount or amounts within such sixty-day period, then Parent shall be
     entitled to pursue any and all remedies under this Agreement and the Escrow
     Agreement, including judicial resolution thereof; provided, however, that
     any such claim shall lapse and the liability of the Sellers with respect
     thereto shall terminate absolutely (unless otherwise specifically agreed)
     if legal proceedings in respect of such claim have not been commenced by
     being both issued and served within six months of the expiration of the two
     sixty-

                                     - 47 -
<PAGE>
 
     day periods set forth in this Section 7.5(c). For the avoidance of doubt,
     the right to object to Payment Claims specified in a Certificate shall not
     apply when the Certificate relates to a Payment Claim under Section 7.1(c).

(d)  Promptly after the assertion by any third party of any claim against Parent
     or any of its Affiliates that, in the judgment of Parent, may result in the
     incurrence by Parent or any of its Affiliates of Losses for which Parent
     would be entitled to payment pursuant to this Agreement, Parent shall
     deliver to the Reimbursing Party a written notice describing in reasonable
     detail such claim and such Reimbursing Party may, at its option, assume the
     defense of Parent and its Affiliates against such claim (including the
     employment of Legal Advisers, who shall be reasonably satisfactory to
     Parent, and the payment of expenses).  Parent shall have the right to
     employ separate Legal Advisers in any such action or claim and to
     participate in the defense thereof, but the fees and expenses of such Legal
     Advisers shall not be at the expense of the Reimbursing Party unless (i)
     the Reimbursing Party shall have failed, within fifteen (15) days after
     having been notified by Parent of the existence of such claim as provided
     in the preceding sentence, to assume the defense of such claim or to notify
     Parent in writing that it will assume the defense of such claim, (ii) the
     employment of such Legal Advisers has been specifically authorized in
     writing by the Reimbursing Party, or (iii) the named parties to any such
     action (including any impleaded parties) include both Parent or any of its
     Affiliates and the Indemnifying Party and Parent shall have been advised by
     such Legal Advisers that there may be one or more legal defenses available
     to the Reimbursing Party which are not available to, or the assertion of
     which would be adverse to the interests of, Parent or any of its
     Affiliates.  No Reimbursing Party shall be liable to make a payment to
     Parent for any settlement of any such action or claim effected without the
     consent of the Reimbursing Party, but if settled with the written consent
     of the Reimbursing Party, or if there is a final judgment for the plaintiff
     in any such action (being a judgment of a court of competent jurisdiction
     in respect of which no appeal is permissible or in respect of which the
     time limit for appeal has expired or in respect of which the relevant party
     has given notice that it will not appeal), Parent shall be entitled to
     payment as provided under this Article VII for any Loss by reason of such
     settlement or judgment.

(e)  Claims for Losses specified in any Certificate to which a Reimbursing Party
     shall not object in writing within sixty (60) days of receipt of such
     Certificate, claims for Losses covered by a memorandum of agreement of the
     nature described in Section 7.5(c), claims for Losses the validity and
     amount of which have been the subject of a final judicial determination
     following the failure of Parent and the Reimbursing Party to reach an
     agreement as described in Section 7.5(c) or a final judgment as described
     in Section 7.5(d) and claims for the amounts due and payable under Section
     7.1(c) are hereinafter referred to, collectively, as "Agreed Claims".  If a
     Certificate relating to such an Agreed Claim was originally given only to
     the Seller Representatives and the Escrow Agent pursuant to Section 7.5(b)
     because it related to Section 7.1(a), (b) or (c) hereof, such Agreed Claim
     shall be deemed an "Escrow Agreed Claim"; otherwise such Agreed Claim shall
     be an "Individual Seller Agreed Claim."  Any Escrow Agreed Claim shall be
     paid to Parent as provided in the Escrow Agreement.  Any Individual Seller
     Agreed Claim shall be paid by the relevant Receiving Party within ten (10)
     days of such claim becoming an Individual Seller Agreed Claim.  Payment
     shall be made by returning shares of Parent Common Stock received by such
     Reimbursing Party in connection with the transactions contemplated by this
     Agreement with a value equal to the amount of the Individual Seller Agreed
     Claim (and for purposes of such payment, each share of Parent Common Stock
     received by such Reimbursing Party in connection with the transactions
     contemplated by this Agreement shall be valued at (Pounds)21.82) to the
     extent that such Reimbursing Party then holds such shares, and any
     remaining amount of such Individual Seller Agreed Claims 

                                     - 48 -
<PAGE>
 
     shall be paid in cash by wire transfer to the bank account or accounts
     designated in writing by Parent not less than one (1) business day prior to
     the due date for such payment. Parent, at its option, may collect all or
     part of the amount represented by any Individual Seller Agreed Claim by
     proceeding pursuant to the Escrow Agreement against the shares of Parent
     Common Stock delivered to the Escrow Agent at the Closing on behalf of such
     Reimbursing Party.

(f)  In the case of a claim for fraud with respect to the representations and
     warranties set forth in Article IV hereof, Parent shall use reasonable
     efforts to first proceed against any Seller committing such fraud and the
     provisions of this Section 7.5 shall apply as if such claim were a claim in
     respect of an Individual Seller Certificate and as if any amount determined
     hereunder to be payable in respect of such claim were an Individual Seller
     Agreed Claim.  If, despite its reasonable efforts, Parent is unable to
     collect within a reasonable time the full amount of its claim with respect
     to such fraud from the Seller or Sellers who committed the fraud, Parent
     may, by notice to the Seller Representatives and the Escrow Agent, amend
     such claim to include a claim against the other Sellers (the "Non-
     Fraudulent Sellers") based upon the full amount of the Losses with respect
     to such claim (but subject to the 51% limitation in section 7.3(c)), in
     which case, such provisions of Section 7.5 shall apply as if such claim
     were a claim in respect of an Escrow Certificate (except that such claim
     shall, if previously determined by judgment against the Seller or Sellers
     committing the fraud, immediately upon such notice become an Escrow Agreed
     Claim and the Seller Representatives shall have no right to contest such
     claim) and as if any amount determined hereunder to be payable in respect
     of such claim were an Escrow Agreed Claim.  If Parent received payment from
     the Seller committing the fraud upon which such claim was based (valuing
     any shares of Parent Common Stock returned by such Seller to Parent at
     (Pounds)21.82 per share) in an amount greater than such Seller's Pro Rata
     Share of total Losses with respect to such claim, each Non-Fraudulent
     Seller shall be liable for his proportionate share of the amount of the
     Escrow Agreed Claim (after reducing the amount of the Escrow Agreed Claim
     by any amount received from the Seller who committed the fraud) which shall
     be in the same proportion as such Non-Fraudulent Seller's Pro Rata Share
     bears to the aggregate Pro Rata Shares of all Non-Fraudulent Sellers (and
     the provisions of Section 7.1(a) and (c) limiting each Seller's payment
     obligation thereunder to its Pro Rata Share shall be so modified).  If the
     preceding sentence does not apply, then each Non-Fraudulent Seller shall be
     liable for his Pro Rata Share of the full amount of the Escrow Agreed
     Claim; provided that nothing in this Section 7.5(f) shall limit the
     liability of the Seller who committed the fraud upon which such claim is
     based.  Escrow Agreed Claims in respect of such fraud shall be paid to
     Parent out of the escrow as provided in the Escrow Agreement (to the extent
     shares of Parent Common Stock are then held in escrow other than shares
     held in respect of claims pending upon the first anniversary of the Closing
     Date) to the maximum extent possible and the remainder of such Escrow
     Agreed Claim shall be paid by each Seller, to the extent of such Seller's
     liability in connection therewith by first returning shares of Parent
     Common Stock received by such Seller in connection with the transactions
     contemplated by this Agreement (valued for such purposes at (Pounds)21.82
     per share) to the extent such Seller then holds such shares, and by paying
     any remaining amount payable by such Seller in cash by wire transfer to the
     bank account or bank accounts designated in writing by Parent.

                                     - 49 -
<PAGE>
 
                                 ARTICLE VIII

                              GENERAL PROVISIONS

Section 8.1  Notices. All notices, requests, claims, demands and other
             -------                                                  
communications hereunder shall be in writing and shall be given if delivered in
person or by facsimile transmission (and shall be deemed to have been duly given
on the date of delivery if so given), or by internationally recognized delivery
service guaranteeing delivery in two business days or less, with the price of
delivery paid by the sender (and shall be deemed to have been duly given on the
date of delivery if so given), to the respective parties as follows:

If to Parent:

     Cambridge Technology Partners (Massachusetts), Inc.
     304 Vassar Street
     Cambridge, Massachusetts  02139
     Attention:  Chief Financial Officer
     Facsimile Number:  001-617-374-8507

With a copy to:

     Testa, Hurwitz & Thibeault, LLP
     High Street Tower
     125 High Street
     Boston, Massachusetts 02110, USA
     Attention:  Steven C. Browne, Esq.
     Facsimile Number:  001-617-248-7100

If to the Seller Representatives:

     To the addresses (including Facsimile Number) set out against their
     names on Schedule 3
              ----------

     If to any Seller:

     To such Seller at the address set out against
     his name on Schedule 3
                 ----------

In either case with a copy to:

     Macfarlanes
     10 Norwich Street
     London EC4A 1BD, England
     Attention:  Peter H. Turnbull/John Dodsworth
     Facsimile Number:  011-44-171-831-9607

     and

     Reed Smith Shaw & McClay LLP
     2500 One Liberty Place

                                     - 50 -
<PAGE>
 
     1650 Market Street
     Philadelphia, Pennsylvania  19103-7301, USA
     Attention:  Lori L. Lasher
     Facsimile Number:  001-215-851-1420

or to such other address as any party may have furnished to the others in
writing in accordance herewith.

Section 8.2  Headings.  The descriptive headings in this Agreement have been
             --------                                                       
inserted for convenience only and shall not be deemed to limit or otherwise
affect the construction of any provision hereof.

Section 8.3  Entire Agreement; Assignment.  This Agreement, including the
             ----------------------------                                
Schedules hereto, the Seller Disclosure Schedule, the Baer Service Agreement,
the Clarkson Service Agreement, the Purchaser Ancillary Agreements and the
Seller Ancillary Agreements constitute the entire agreement among the parties
with respect to the subject matter hereof and thereof and supersede all other
prior agreements and understandings, both written and oral, among the parties or
any of them with respect to the subject matter hereof and thereof.  This
Agreement and the rights and obligations of the parties hereunder shall not be
assigned by operation of law or otherwise.

Section 8.4  Parties in Interest.  This Agreement shall be binding upon and
             -------------------                                           
inure solely to the benefit of the parties hereto, and nothing in this
Agreement, express or implied, is intended to confer upon any other person any
rights or remedies of any nature whatsoever under or by reason of this
Agreement.

Section 8.5  Validity.  The invalidity or unenforceability of any provision of
             --------                                                         
this Agreement shall not affect the validity or enforceability of the other
provisions of this Agreement, each of which shall remain in full force and
effect, provided that enforcement of such other provisions in the absence of the
invalid or unenforceable provision does not deprive either the Sellers or Parent
of the benefit of the bargain.

Section 8.6  Counterparts; Binding Agreement.  This Agreement may be executed in
             -------------------------------                                    
two or more counterparts, each of which shall be deemed to be an original but
all of which shall constitute one and same Agreement.  This Agreement shall not
constitute a binding obligation or commitment of any Seller unless it is
delivered by such Seller (or by the Sellers' Attorney on his behalf) to Parent
or to Holman, Fenwick & Willan on behalf of Parent.

Section 8.7  Expenses.  Except as provided in the Purchaser Ancillary
             --------                                                
Agreements, all costs and expenses incurred by Parent in connection with the
transactions contemplated by this Agreement shall be paid by Parent.  Parent
shall pay the reasonable, documented fees and expenses incurred by the Company
and the Sellers for accountants and attorneys for the Company and the Sellers as
a group in connection with the transactions contemplated by this Agreement and
the reasonable, documented fees and expenses payable by the Company or the
Sellers to Broadview Associates in connection with the transactions contemplated
hereby pursuant to that certain letter agreement between the Company and
Broadview Associates dated March 1, 1997, provided that the maximum amount of
fees and expenses (including value added tax) incurred or payable by the Company
or the Sellers which Parent shall be obligated to pay is (Pounds)1,750,000.  The
Sellers (and not Parent or the Company) shall be responsible for and shall pay
in a timely fashion and in accordance with the terms thereof any fees and
expenses (including value added tax) incurred or payable by the Company or the
Sellers in connection with the transactions contemplated by this Agreement for
which Parent is not responsible pursuant to this Section 8.7.

Section 8.8  Further Assurances.  From time to time after the Closing, at the
             ------------------                                              
request of Parent and without further consideration, each Seller (through the
Seller Representatives or otherwise) will execute and deliver 

                                     - 51 -
<PAGE>
 
to Parent such other documents, and take such other action, as Parent may
reasonably request in order to consummate more effectively the transactions
contemplated hereby and to vest in Parent good title to the Shares and to ensure
that all Options lapse and terminate immediately upon the Closing.

Section 8.9  Governing Law.  This Agreement shall be governed by and construed
             -------------                                                    
in accordance with the laws of England, except the provisions of Article III
hereof which shall be governed by and construed in accordance with the laws of
the State of Delaware, USA, in each case, regardless of the laws that might
otherwise govern under applicable principles of conflicts of laws thereof.

Section 8.10  Consent to Jurisdiction.  Each of the Sellers and the Seller
              -----------------------                                     
Representatives irrevocably submits to the jurisdiction of the English courts in
connection with all provisions of this Agreement and the Seller Ancillary
Agreements and the transactions contemplated hereby and thereby and agrees that
process in respect of any proceeding brought in connection with such provisions
or such transactions may be served on the Seller Representatives, without the
necessity of also serving the Seller.

Section 8.11  "Knowledge" Defined.  As used herein, the terms "Sellers'
              -------------------                                      
knowledge," "to the knowledge of the Sellers," "so far as the Sellers are aware"
and words of similar import shall mean and include the actual knowledge of each
Seller and all Sellers and each officer and director of the Company and any of
its Subsidiaries.

Section 8.12  Amendment.  This Agreement may not be amended except by an
              ---------                                                 
instrument in writing signed by or on behalf of Parent and the Seller
Representatives (on behalf of the Sellers).

Section 8.13  Waiver.  At any time, the Seller Representatives, on behalf of the
              ------                                                            
Sellers, and Parent may (a) extend the time for the performance of any of the
obligations or other acts of the parties hereto and (b) waive compliance with
any of the agreements contained herein. Any agreement on the part of a party
hereto to any such extension or waiver shall be valid if set forth in an
instrument in writing signed by or on behalf of such party.  No failure or delay
by any party in exercising any right, power or privilege hereunder shall operate
as a waiver thereof nor shall any single or partial exercise thereof preclude
any other or further exercise thereof or the exercise of any other right, power
or privilege.

Section 8.14  Participation in Parent's Stock Option Program.  Parent agrees
              ----------------------------------------------                
that employees of the Company and its Subsidiaries will be entitled to
participate in Parent's stock option program.

Section 8.15  Termination of Shareholders' Agreement.  Each Seller hereby (i)
              --------------------------------------                          
waives all rights of whatever nature (except those accrued at the date hereof in
favor of the Company under any of the provisions of Clause 9 thereof) whether
and howsoever accrued, enjoyed or arising under an agreement dated October 19,
1995 and entered into between certain of the Sellers (1), the Company (2) and
PARNIB Belgie N.V. (3) (the "Shareholders' Agreement") including, without
limitation, in the case of PARNIB Belgie N.V. all or any rights to claim or
pursue claims under the Warranties (as defined therein), and (ii) agrees to the
immediate termination of the Shareholders' Agreement and of all rights whether
and howsoever accrued, enjoyed or arising thereunder save for and without
prejudice, however, to those accrued under Clause 9 thereof and preserved to the
Company in clause (i) above.

Section 8.16  Employee Benefit Trust.  Parent agrees that, following the
              ----------------------                                    
Closing, the Parent Common Stock held by the trustees of the employee benefit
trust established by the deed dated September 7, 1989 made between Peter
Chadwick Limited (1) and Ian Peter Clarkson and Eagle Place Trustees Limited (2)
shall be used for the benefit of employees of the Company and its Subsidiaries
in such manner as the trustees may in their absolute discretion determine and
Parent shall not, either directly or indirectly and 

                                     - 52 -
<PAGE>
 
including, for the avoidance of doubt, by virtue of its control of the Company
after Closing, attempt to interfere with or vary the provisional allocations or
guidelines of such trustees.

Section 8.17  Deed Relating to Taxation.  Schedule 4 attached hereto (the "Deed
              -------------------------                                        
Relating to Taxation") shall have effect as if it were a separate document
executed by each of the Sellers as a deed.


                                  ARTICLE IX

              SELLERS' DIVIDEND ESCROW AND SELLER REPRESENTATIVES

Section 9.1  Seller Representatives.
             ---------------------- 

(a)  The Sellers and each of them will, save as mentioned in Section 9.1(b), be
     represented in connection with this Agreement (including, without
     limitation, the operation of the Sellers' Dividend Escrow established
     pursuant to Sections 9.10 and 9.11 and the Deed Relating to Taxation in
     Schedule 4), the Registration Rights Agreement and the Escrow Agreement
     (together referred to as the "Principal Agreements") by the Seller
     Representatives appointed pursuant to and in accordance with Section
     2.3(a).

(b)  Any Seller against whom a claim for payment is made pursuant to Section
     7.1(c) (relating to Article V and the Seller Representation Letters) shall
     have the sole and exclusive responsibility for defending, settling or
     otherwise disposing of the same.

Section 9.2  Authorized Actions.  Save as provided in Section 9.1(b), the
             ------------------                                          
Sellers hereby authorize and empower the Seller Representatives to give all
notices and instructions and to take any and all actions for and on behalf of
the Sellers in relation to claims arising under the Principal Agreements to the
exclusion of those Sellers who are not themselves Seller Representatives.

Section 9.3  Required Vote.  The Seller Representatives shall, and are hereby
             -------------                                                   
authorized by the Sellers to, act by majority decision and any reference to a
vote, consent or agreement of the Seller Representatives shall mean the Seller
Representatives acting by such majority vote.

Section 9.4  Reliance.  Persons and parties, including (without limitation)
             --------                                                      
Parent and the Escrow Agent, dealing with the Seller Representatives shall be
entitled to rely conclusively upon the certificate of any Seller Representative
to the effect that he is then acting as a Seller Representative and pursuant to
appropriate authority under this Agreement.  The Seller Representatives shall
promptly notify Parent and the Escrow Agent in writing (i) in the event that any
Seller Representative is no longer able to so serve and (ii) of the identity and
valid appointment of a successor Seller Representative.  Parent and the Escrow
Agent will be entitled to rely on any notice received in such form without
conducting an investigation of the contents thereof.  Any action taken by, or
notice of instruction from, a Seller Representative will be deemed to be action
by, or notice or instruction from, each and all of the Sellers.  Parent may, and
the Escrow Agent will, disregard any notice or instruction received from any
Seller other than a Seller Representative to the extent that the Seller
Representatives have been appointed in place of the Sellers pursuant to this
Agreement.

Section 9.5  Exculpation.  No Seller Representative shall suffer any liability
             -----------                                                      
or loss for any act performed or omitted to be performed by him under this
Agreement in the absence of gross negligence or willful misconduct.  Any Seller
Representative may consult solicitors and/or counsel ("Legal Advisers") in

                                     - 53 -
<PAGE>
 
connection with his duties hereunder and shall be fully protected by any act
taken, suffered, permitted, or omitted in good faith in accordance with the
advice of Legal Advisers. The reasonable, documented expenses and fees of Legal
Advisers, and any reasonable, documented out of pocket expenses which the Seller
Representatives incur under the Principal Agreements, shall be reimbursed by the
Sellers. Upon any distribution of Escrow Shares to the Paying Agent on behalf of
the Sellers, the Seller Representatives may cause to be sold a sufficient number
of shares that would otherwise be distributed to the Sellers (with sales to be
made on behalf of each Seller in the amount of his Pro Rata Share (as defined in
the Escrow Agreement)) and to retain the proceeds of such sales in satisfaction
of the obligation of the Sellers to reimburse the Seller Representatives for
such expenses and fees. No Seller Representative shall be responsible for the
sufficiency or accuracy of the form, execution, validity or genuineness of
documents or securities now or hereafter deposited with the Escrow Agent
pursuant to the Escrow Agreement, or of any endorsement thereof or for any lack
of endorsement thereon, or for any description therein, nor shall a Seller
Representative be responsible or liable in any respect on account of the
identity, authority or rights of the persons executing or delivering or
purporting to execute or deliver any such document, security or endorsement.

Section 9.6  Appointment.  Each Seller hereby appoints the Seller
             -----------                                         
Representatives, and each of them acting singly, the true and lawful attorney of
such Seller with full power and authority, in the name and on behalf of such
Seller, to transfer and deliver or authorize the delivery of Escrow Shares to
Parent in accordance with the Escrow Agreement and to execute stock transfers in
favor of Parent in connection therewith, and to sell Escrow Shares on behalf of
such Seller in accordance with Section 5(c) of the Escrow Agreement and to
execute stock transfers in connection therewith.

Section 9.7  Authority.  Without prejudice to the generality of the foregoing,
             ---------                                                        
each of the Sellers hereby grants irrevocable authority to the Seller
Representatives in respect of those matters for which the Seller Representatives
have been appointed:

(a)  to investigate any claim for payment made by Parent under the Principal
     Agreements;

(b)  to conduct on behalf of the Sellers negotiations with, or with the
     representatives of, Parent, in relation to any such claim and, in their
     entire discretion, to settle the same;

(c)  to obtain advice from Legal Advisers or other appropriate experts including
     advice on the defense of proceedings instituted by Parent and advice on the
     institution of legal proceedings against any person or organization whose
     actions or omissions may be considered to have been responsible for or
     contributed to the losses suffered by the Sellers in meeting any such
     claim;

(d)  in relation to any such legal proceedings as are referred to in the
     immediately preceding sub- clause (c) ("Proceedings"):

     (i)   to defend or commence Proceedings in his name (whether alone or
           jointly with others and whether in the United Kingdom or elsewhere);

     (ii)  to carry on and prosecute Proceedings to judgment and execution of
           judgment or (where appropriate) make application to a superior court
           for leave to appeal against such judgment and to initiate appeal
           proceedings in respect thereof or to resist any appeal against such
           judgment;

     (iii) to settle, discontinue or otherwise compromise Proceedings;

                                     - 54 -
<PAGE>
 
(e)  to give a good receipt in respect of any sums recovered on behalf of the
     Sellers whether by settlement, compromise, judgment, ex gratia payment or
     otherwise including any interest or costs in any of the Proceedings.

Section 9.8  Further Assurances.
             ------------------ 

(a)  Each Seller agrees to furnish the Seller Representatives and Legal Advisers
     appointed by them with all such cooperation and assistance as may
     reasonably be required in connection with the prosecution or defense of
     Proceedings and (without prejudice to the generality of the foregoing)
     shall comply at the Sellers' own cost and expense with any request made by
     the solicitors appointed by the Seller Representatives to produce and
     deliver to them documents in the custody, possession or power of such
     Seller where such request is made for the purpose of complying with any
     obligations in relation to discovery in or in connection with Proceedings.

(b)  Each Seller agrees to indemnify the Seller Representatives or any of them
     in respect of all liabilities incurred by them resulting from any act or
     omissions committed in good faith in pursuance of their responsibilities
     hereunder (including, without limitation, the operation of the Sellers'
     Dividend Escrow).

(c)  Each Seller waives all rights which he may have against the Seller
     Representatives resulting from any act or omission committed in good faith
     in pursuance of their responsibilities hereunder (including, without
     limitation, the operations of the Sellers' Dividend Escrow).

Section 9.9  Indemnification.  In the event of any failure by any Seller to
             ---------------                                               
comply with its obligations under this Article IX such Seller shall indemnify
the Seller Representatives for all liabilities, expenses, claims, losses and
damages arising therefrom.

Section 9.10  Dividend.  Each Seller hereby authorizes and directs the Company
              --------                                                        
out of any dividend paid by the Company on the Ordinary Shares, the Preference
Shares, the A Preference Shares and the B Preference Shares in respect of the
period beginning July 1, 1997 and ending on or before November 30, 1997, to pay
to the Seller Representatives the amounts appearing against their respective
names under the heading "To withhold for expenses" in Schedule 6 hereto.
                                                      ----------        

Section 9.11  Sellers' Dividend Escrow.  The Seller Representatives shall cause
              ------------------------                                         
the sums paid to them pursuant to Section 9.10 to be placed to the credit of a
separate bank account in their joint names established solely for the purpose of
this Agreement (the "Sellers' Dividend Escrow").  The Seller Representatives
shall be at liberty to determine whether such account shall entitle holders to
interest on sums credited to it.

Section 9.12  Payment.  Each of the Sellers hereby authorizes and directs the
              -------                                                        
Seller Representatives to pay, discharge or disburse the following out of sums
paid to them by the Company pursuant to Section 9.10:

(a)  the fees and expenses expressed to be payable by the Sellers pursuant to
     Section 8.7 and any other fees, expenses or disbursements incurred by or
     reimbursable by the Company or the Sellers in connection with this
     Agreement and the Ancillary Agreements;

(b)  the value added tax, if any, associated and payable in connection with the
     fees, expenses and disbursements referred to in the immediately preceding
     sub-paragraph (a) of this Section;

                                     - 55 -
<PAGE>
 
(c)  the fees, expenses and disbursements and any associated value added tax
     incurred by the Seller Representatives in connection with the fulfillment
     of their obligations hereunder.

Section 9.13  Pro Rata Payment.  Any payment made by the Seller Representatives
              ----------------                                                 
pursuant to Section 9.12 shall be borne by the Sellers in the same proportion
that the number of shares of Consideration Stock receivable by him hereunder
bears to the aggregate number of shares of Consideration Stock which fall to be
issued to the Sellers hereunder.

Section 9.14  Distribution.  As soon as the Seller Representatives are, in their
              ------------                                                      
reasonable opinion, satisfied that there are no other sums which will, or are
foreseeably likely to, be payable, of the nature described in Section 9.12 (and
which remain unpaid or unreimbursed) the Seller Representatives shall pay or
cause there to be paid to the Sellers the balance, if any, of the Sellers'
Dividend Escrow together (if appropriate) with an appropriate proportion of any
interest accrued.  Such reimbursements will be in direct proportion to the sums
contributed by each Seller to the Sellers' Dividend Escrow.


                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

See Rider X

                                     - 56 -
<PAGE>
 
                                    RIDER X
                                        
                                   ARTICLE X
                            Additional Optionholder
                                        

10.1 The foregoing provisions of this Agreement and the Schedules hereto shall
be read and construed subject to:

(a)  The following amendments to certain of the Schedules, namely:

     (i)   in each of the Schedules numbered 1, 2, 3 and 5 under the column
     headed "Shareholder/Optionholder" add the name "Thomas Kollermeier";

     (ii)  against the name of Thomas Kollermeier in Schedule 1 enter the figure
     "10,000" under the column headed "Other Option";

     (iii) Schedule 3:  against the name of Thomas Kollermeier enter the
     following address "Pfarrgasse 43, D-65239 Hochelm am Main"; and

     (iv)  Schedule 5:  against the name of Thomas Kollermeier under the column
     marked (3) enter 3 months and under the column marked (4) enter 12 months.

(b)  The deletion of Schedule 2 and the substitution therefor of the schedule
     attached to this Rider.

10.2 This Rider and the schedule attached to it shall have effect as if
incorporated into this Agreement.

                                     - 57 -
<PAGE>
 
IN WITNESS WHEREOF, Parent has executed this Agreement and  the Sellers (or
their attorney on their behalf) and the Seller Representatives have caused this
Agreement to be executed as a deed (but not delivered until the Closing Date).

                                    PARENT:
                                    CAMBRIDGE TECHNOLOGY PARTNERS
                                    (MASSACHUSETTS), INC.


                                    By:  /s/
                                    Title:


                                    SELLERS:

 
                               
                                    Tom Aldridge  /s/
 .............................                     ----------------------------
Witness                        
                               
                                    Quentin Baer  /s/
 .............................                     ----------------------------
Witness                       
                                    FENS LIMITED

                                    Director:  /s/
                                    Director/Secretary:  /s/

                                    FANMORE INVESTMENTS LIMITED

                                    Director:  /s/
                                    Director/Secretary:  /s/

                                    ST. HELIER TRUST CO. LIMITED

                                    Director:  /s/
                                    Director/Secretary:  /s/

                                     - 58 -
<PAGE>
 
                                    EAGLE PLACE TRUSTEES LIMITED

                                    Director:  /s/
                                    Director/Secretary:  /s/


                              
                                    Michael Bligh  /s/
 .............................                      ---------------------------
Witness                       
                              
                                    Jonathan Burton  /s/
 .............................                        -------------------------
Witness                       
                              
                                    Charles Cable  /s/
 .............................                      ---------------------------
Witness                       
                              
                                    Emma Carpenter  /s/
 .............................                       --------------------------
Witness                       
                              
                                    Ron Chan  /s/
 .............................                 --------------------------------
Witness                       
                              
                                    Stephen Cheetham /s/
 .............................                        -------------------------
Witness                       
                              
                                    Ian Clarkson  /s/
 .............................                     ----------------------------
Witness                       
                                    ARROW NOMINEES INC.
                              
                                    Director:  /s/
                                    Director/Secretary:  /s/
                              
                              
                              
                                    Peter Clements  /s/
 .............................                       --------------------------
Witness                        
                               
                                    Dereck Clow  /s/
 .............................                    -----------------------------
Witness                        
                               
                                    Kevin Cornwell  /s/
 .............................                       --------------------------
Witness                        
                               
                                    Anthony Court  /s/
 .............................                      ---------------------------
Witness                        
                               
                                    Renaud Cuignet  /s/
 .............................                       --------------------------
Witness                       
                              

                                     - 59 -
<PAGE>
 
                                    Jurgen Deiss  /s/
 .............................                     ----------------------------
Witness                       
                              
                                    David Delvin  /s/
 .............................                     ----------------------------
Witness                       
                              
                                    Alois Deubert  /s/
 .............................                      ---------------------------
Witness                       
                              
                                    Charles Donald  /s/
 .............................                       --------------------------
Witness                       
                              
                                    Tim Durston  /s/
 .............................                    -----------------------------
Witness                       

                                     - 60 -
<PAGE>
 
                                    JERMYN TRUSTEES (JERSEY)
                                    LIMITED

                                    Director:  /s/
                                    Director/Secretary:  /s/


                                    Stefan Falckenberg  /s/
 ..............................                          -----------------------
Witness                         
                                
                                    Malcolm Glyn  /s/
 ..............................                    -----------------------------
Witness                         
                                
                                    Hans Grapenthin  /s/
 ..............................                       --------------------------
Witness                         
                                
                                    Gavin Hall  /s/
 ..............................                  -------------------------------
Witness                         
                                
                                    Paul Heagren  /s/
 ..............................                    -----------------------------
Witness                         
                                
                                    David Henderson  /s/
 ..............................                       --------------------------
Witness                         
                                
                                    Marc Henrie  /s/
 ..............................                   ------------------------------
Witness                         
                                
                                    Rupert Hucker  /s/
 ...............................                    ----------------------------
Witness                         
                                
                                    Mark Hughes  /s/
 ...............................                  ------------------------------
Witness                         
                                
                                    Peter Isaac  /s/
 ...............................                  ------------------------------
Witness                         
                                
                                    Wolfram Kurshener  /s/
 ...............................                        ------------------------
Witness                         
                                
                                    Charles Landry  /s/
 ...............................                     ---------------------------
Witness                         
                                
                                    Daniel Lechanteaux  /s/
 ...............................                         -----------------------
Witness                         
                                
                                    Piers Lightfoot  /s/
 ...............................                      --------------------------
Witness                         

                                     - 61 -
<PAGE>
 
                                    Neil Loxley  /s/
 ...............................                  ------------------------------
Witness                         
                                
                                    Stephen Marples  /s/
 ...............................                      --------------------------
Witness                         
                                
                                    Simon Marshall  /s/
 ...............................                     ---------------------------
Witness                         
                                
                                    Keith Milburn  /s/
 ...............................                    ----------------------------
Witness                         
                                
                                    Peter Mounsey  /s/
 ...............................                    ----------------------------
Witness                         
                                
                                    Ivor Osborne  /s/
 ...............................                   -----------------------------
Witness                         
                                
                                    PARNIB BELGIE NV
                                
                                    Director:  /s/
                                    Director/Secretary:  /s/
                                
                                
                                
                                    Sal Puarr  /s/
 ...............................                --------------------------------
Witness                         
                                
                                    Richard Raya  /s/
 ...............................                   -----------------------------
Witness                         
                                
                                    Gustavo Rojas  /s/
 ...............................                    ----------------------------
Witness                         
                                

                                     - 62 -
<PAGE>
 
                                    DARNLEY ASSETS LIMITED

                                    Director:  /s/
                                    Director/Secretary:  /s/


                                    Marie-Claude Rondot  /s/
 ...............................                          ----------------------
Witness

                                    Gunter Schneider  /s/
 ...............................                       -------------------------
Witness

                                    Alfred Schuller  /s/
 ...............................                      --------------------------
Witness

                                    Bernard Shaw  /s/
 ...............................                   -----------------------------
Witness

                                    Jane Smart  /s/
 ...............................                 -------------------------------
Witness

                                    Laura Smith  /s/
 ................................                 ------------------------------
Witness

                                    David Smith  /s/
 ................................                 ------------------------------
Witness

                                    Oliver Staudacher  /s/
 ................................                       ------------------------
Witness

                                    Sean Stevens  /s/
 ................................                  -----------------------------
Witness

                                    Garry Sutton  /s/
 ................................                  -----------------------------
Witness

                                    Martin Thompson  /s/
 ................................                     --------------------------
Witness

                                    Sean Tipping  /s/
 ................................                  -----------------------------
Witness

                                    Michael Trenouth  /s/
 ................................                      -------------------------
Witness

                                    James Trice  /s/
 ................................                 ------------------------------
Witness

                                    Mark Turek  /s/
 ................................                -------------------------------
Witness

                                     - 63 -
<PAGE>
 
                                    John Van Daalen  /s/
 ................................                     --------------------------
Witness

                                    Gerard Van Kemmel  /s/
 ................................                       ------------------------
Witness

                                    Nick Von Baillou  /s/
 ................................                      -------------------------
Witness

                                    Dominic Wakefield  /s/
 ................................                       ------------------------
Witness

                                    Michael Warren  /s/
 ................................                    ---------------------------
Witness

                                    Alex Watson  /s/
 ................................                 ------------------------------
Witness

                                    Emile Weekers  /s/
 ................................                   ----------------------------
Witness

                                    Andrew Wells  /s/
 ................................                  -----------------------------
Witness

                                    Terence White  /s/
 ................................                   ----------------------------
Witness

                                    Owen Williams  /s/
 ................................                   ----------------------------
Witness

                                    Paul Whysall  /s/
 ................................                  -----------------------------
Witness

                                    SELLER REPRESENTATIVES

                                    Quentin Baer  /s/
 ................................                  -----------------------------
Witness

                                    Ian Clarkson  /s/
 ................................                  -----------------------------
Witness

                                    Malcolm Glyn  /s/
 ................................                  -----------------------------
Witness

                                     - 64 -
<PAGE>
 
      Listed below are the Schedules and Exhibits to the Share and Option
Purchase Agreement in this Exhibit 2.1. The Company will provide a copy of any
                           -----------
omitted Schedule or Exhibit to the Securities and Exchange Commission upon
request.

<TABLE> 
<CAPTION> 

                                   SCHEDULES
<S>            <C>   
SCHEDULE 1     Outstanding Share and Options (Omitted)
SCHEDULE 2     Consideration Stock; Cash Consideration (Omitted)
SCHEDULE 3     Names and Addresses of Shareholders and Optionholders (Omitted)
SCHEDULE 4     Deed Relating to Taxation (Attached hereto and filed herein)
SCHEDULE 5     Protection Periods (Omitted)
SCHEDULE 6     Dividends (Omitted)

<CAPTION> 

                                    EXHIBITS
<S>           <C>  
EXHIBIT A     Form of Escrow Agreement (See Exhibit 2.3 filed in this Report)
                                            -----------
EXHIBIT B     Form of Registration Rights Agreement (See Exhibit 2.2 filed in 
                                                         -----------
              this Report)
EXHIBIT C     Form of Share Indemnity (Omitted)
EXHIBIT D     Form of Stock Transfer (Omitted)
EXHIBIT E     Form of Parent Power of Attorney (Omitted)
EXHIBIT F     Form of Irrevocable Power of Attorney (Omitted)
EXHIBIT G     Form W-8 (Omitted)
EXHIBIT H     Substitute Form W-9 (Omitted)
EXHIBIT I     Form of Option Indemnity (Omitted)
EXHIBIT J     Form of Option Transfer (Omitted)
</TABLE>
<PAGE>
 
                                   SCHEDULE 4

                           DEED RELATING TO TAXATION


1.   DEFINITION AND INTERPRETATION
     -----------------------------

1.1  In this schedule, unless the contrary intention appears:-

     (a)  words and expressions defined in the Agreement have the  same meaning
          in this schedule and any provisions in the Agreement concerning
          matters of construction or interpretation shall also apply in this
          schedule;

     (b)  headings are used for convenience only and do not affect the
          interpretation of this schedule;

     (c)  "the Accounts" means the audited consolidated accounts of the Company
          and the Subsidiaries and "the Accounting Date" means 30th June 1997;

     (d)  "Taxation" has the meaning defined in section 4.17 (a) of the
          Agreement for "taxes";

     (e)  "liability for Taxation" means -

          (i)    a liability of the Company or any of the Subsidiaries to make
                 an actual payment in respect of any Taxation;

          (ii)   the loss of or failure to obtain -

                 (1)  any relief, allowance, credit or deduction in respect of
                      any Taxation which appears as an asset in the Accounts
                      ("an Accounts Relief"); or

                 (2)  any right to repayment of taxation either by direct
                      repayment or by set off against a liability for Taxation
                      which appears as an asset in the Accounts or was taken
                      into account in reducing or eliminating any provision for
                      Taxation in the Accounts ("tax repayment");

                 being, in any such case, an Accounts Relief or tax repayment
                 which would have been available to the Company or any of the
                 Subsidiaries but for the loss or failure to obtain as
                 aforesaid;

          (iii)  the setting off against any Taxation or profits of the Company
                 or any of the Subsidiaries, of any Accounts Relief or post
                 completion relief where, but for such setting off, the Company
                 would have been subject to a liability to make an actual
                 payment in respect of any Taxation in respect of which the
                 Sellers would have been obliged to make a payment to Parent
                 under this schedule;

     (f)  "post-completion relief" means a tax relief arising to any of the
          Company or the Subsidiaries by reference to an accounting period
          commencing or to expenditure incurred on or after the Closing Date.
<PAGE>
 
2.   LIABILITY TO PAY
     ----------------

2.1  Subject to clause 5 below, the Sellers severally covenant with Parent that
     they will pay to Parent by way of an adjustment to the Consideration an
     amount equal to the relevant proportion (as defined below) of any liability
     for Taxation of the Company and each of the Subsidiaries which has arisen
     or may arise wholly or partly in respect of or in consequence of any act or
     omission occurring on or before the Closing Date (including, without
     prejudice to the generality of the foregoing, the execution or performance
     of the Agreement), and the amount of any reasonable costs, fees or expenses
     incurred in investigating, assessing or contesting that liability.

2.2  The Sellers severally covenant with Parent that, if the Company or any of
     the Subsidiaries (being registered as a member of a VAT group, in this
     clause called "the group"):-

     (a)  is liable to account for VAT on supplies made by other members of the
          group (not being the Company or any of the Subsidiaries), after the
          date hereof but before the date of cancellation of the group
          registration; or

     (b)  is not entitled to full credit or deduction for any input tax incurred
          in respect of supplies made in the period mentioned in (a) above to
          the Company or any of the Subsidiaries, such supplies otherwise giving
          entitlement to such full credit or deduction,

     they will pay to Parent an amount equal to the relevant proportion (as
     defined below) of any such liability or lack of entitlement as mentioned in
     (a) and (b) above and to any reasonable costs, fees or expenses incurred in
     investigating, assessing or contesting such liability or lack of
     entitlement.

2.3  For the purposes of this schedule the "relevant proportion" is the Pro Rata
     Share of the Seller (determined in accordance with section 1.1(a) of the
     Agreement).

2.4  The provisions of section 7.5(b) of the Agreement shall apply to the
     payment of claims made under this schedule.

3.   WITHHOLDINGS/DEDUCTIONS
     -----------------------

3.1  Any payments made by or due from the Sellers by virtue of clause 2 above
     shall be free and clear of all taxation whatsoever save only for any
     deductions or withholdings required by law.

3.2  If any deductions or withholdings are required by law, or any payments made
     by or due from the Sellers under this Schedule are liable for Taxation
     other than interest payable pursuant to clause 4.2, the Sellers shall
     (except to the extent that the deduction or withholding gives rise to a
     credit, benefit or saving for Parent) be liable under this sub-clause to
     pay to Parent such further sums as will ensure that the aggregate of the
     sums paid or payable under this sub-clause and clause 2 above shall, after
     deducting therefrom all deductions or withholdings from or liabilities for
     Taxation in respect of such sums, leave Parent with the same amount as it
     would have been entitled to receive under clause 2 above in the absence of
     any such deductions, withholdings or liabilities to Taxation but the
     further sum shall not be payable until the day on which the liability to
     Taxation is payable, or, if later, not more than five business days
     following the day on which Parent notifies the Sellers of their liability
     to make such payment.
<PAGE>
 
4.   TIME FOR PAYMENT
     ----------------

4.1  Any sums payable by virtue of clause 2 or clause 3.2 above shall become due
     and payable for the purposes of section 7.1(c) of the Agreement:

     (a)  as regards any actual liabilities to Taxation, the day before the day
          on which the payment of the relevant Taxation is finally due in order
          to avoid incurring a liability to interest or a charge or penalty in
          respect of that liability or, if later, within seven days of notice
          thereof being given by Parent to the Sellers;

     (b)  in any case not falling within Clause 4.1(a), the Sellers shall pay
          the amount which they are required to pay under this schedule:-

          (i)    in any case which falls within clause 1.1(e)(ii)(1), not later
                 than the fifth business day before the day on which the Company
                 is due to pay any Taxation which, but for such loss, it would
                 not have been liable to pay;

          (ii)   in a case which falls within clause 1.1(e)(ii)(2), not later
                 than the day on which the right to repayment of Taxation is
                 lost or set off;

          (iii)  in a case which falls within clause 1.1(e)(iii), not later than
                 the first day on which the Company would, but for such setting
                 off, have been able to set the relief against any Taxation or
                 profits;

          or, if later, within seven days of the date on which they receive
          notice from Parent of the amount due to be paid;

     (c)  as regards costs, fees or expenses and in any other case within seven
          days of notice thereof being given by Parent to the Sellers.

4.2  If any of the Sellers fails to pay any sum due from it under this schedule
     on the due date for payment, that party shall pay interest on that sum from
     the due date until payment in full at the rate of 2 percent above the base
     rate for the time being of Barclays Bank plc.

5.   EXCLUSIONS
     ----------

5.1  The covenant to pay in clause 2.1 above does not apply to a liability for
     Taxation:

     (a)  to the extent that provision or reserve has been made for it in the
          Accounts;

     (b)  if it has arisen in and relates to the ordinary course of business of
          the Company or any of the Subsidiaries since the Accounting Date;

     (c)  such liability was discharged on or before the Closing Date;

     (d)  to the extent that any such liability arises, or is increased, as a
          result of any increase in rates of Taxation or any change in the law
          or published practice of a Revenue authority made after Closing with
          retrospective effect;
<PAGE>
 
     (e)  to the extent that such liability would not have arisen but for a
          voluntary act, or transaction, which could reasonably have been
          avoided, carried out by Parent or the Company or any of the
          Subsidiaries after Closing outside the ordinary course of business
          which they knew would entitle Parent to make a claim under this
          schedule (including without limitation the effecting after Closing of
          any material change in the nature or conduct of any trade or business
          carried on by the Company) unless under an obligation incurred prior
          to the date of this schedule or taking place with the prior written
          approval of the Sellers' Representative;

     (f)  to the extent that the liability would not have arisen or would have
          been reduced or eliminated but for a failure or omission on the part
          of the Company or any of the Subsidiaries after Closing to make any
          claim, election, surrender or disclaimer or to give any notice or
          consent or to do any other thing the making, giving or doing of which
          was taken into account in computing the provision or reserve for
          Taxation made in the Accounts or taken into account in the preparation
          of the Accounts;

     (g)  to the extent that such liability would not have arisen but for any
          claim, election, notice or consent in respect of Taxation or any
          withdrawal, disclaimer, revision or modification of any such claim,
          election, notice or consent or but for any other modification of the
          Company's or any of the Subsidiaries' current tax position, where such
          claim, election, notice, consent, withdrawal, disclaimer, revision or
          modification is caused, given or made by Parent or the Company or any
          of the Subsidiaries after Closing;

     (h)  to the extent that such liability arises or is increased as a
          consequence of any failure of Parent or the Company or any of the
          Subsidiaries to comply in a material respect with any of its
          obligations under clause 6 (Notification and Conduct of Claims);

     (i)  to the extent that such liability arises from any change in accounting
          or Taxation policy or practice adopted by the Company or any of the
          Subsidiaries on or after Closing;

     (j)  to the extent that Parent has made or makes recovery in respect of
          such liability under any other provision of this Agreement;

     (k)  to the extent that the Company or any of the Subsidiaries has
          recovered from any person (other than from the Sellers hereunder) any
          sum in respect of such liability but after deducting the costs of such
          recovery and any Taxation incurred by the Company on the amount
          recovered;

     (l)  to the extent to which such liability is a penalty, fine or interest
          arising after Closing in respect of a failure by the Company or any of
          the Subsidiaries to pay any Taxation on or before the due date for its
          payment in circumstances where Parent or the Company was aware or
          ought reasonably to have been aware that such Taxation was payable on
          or before such date or to pay any Taxation when Parent or the Company
          or any of the Subsidiaries became aware or ought reasonably to have
          become aware that such Taxation was payable;

     (m)  to the extent to which liability arises as a result of the sale of the
          options to Parent by holders thereof who are resident for tax purposes
          in France or otherwise subject to tax in France;
<PAGE>
 
     (n)  to the extent to which liability arises as a result of Peter Chadwick
          GmbH having to pay any Taxation in Germany earlier than was provided
          for in the audited financial statements of Peter Chadwick GmbH for
          periods ended on or before the date of the Closing.

5.2  Where liability to Taxation to which clause 2 applies results from an event
     which occurs after the Accounts Date and the Company or any of the
     Subsidiaries derives any profit, income or gain, such liability to Taxation
     shall only be regarded as falling within clause 2 to the extent to which it
     exceeds that profit, income or gain (insofar as the profit, income or gain
     was not taken into account in the Accounts).

5.3  For the avoidance of doubt, the provisions of sections 7.2 and 7.3 except
     7.3(e) of the Agreement (financial and time limitations) shall apply to
     this schedule as though set out herein.

5.4  The exclusions set out in clause 5 of this schedule shall apply to all
     claims under section 4.17 of the Agreement and the exclusions set out in
     section 7 shall not apply to any such claims save to the extent that:

          (i)  they are specifically incorporated in this schedule; or

          (ii) they are expressed to relate to the Deed relating to Taxation.

6.   NOTIFICATION AND CONDUCT OF CLAIMS
     ----------------------------------

6.1  In the event of any claim being made against the Company or any of the
     Subsidiaries in respect of a liability for Taxation the Company or that
     Subsidiary will:

     (a)  as soon as practicable give notice of the claim to the Sellers (such
          notice to be given in any event involving an assessment with a time
          limit for appeal no later than 7 days from receipt of the assessment
          or notice); and

     (b)  supply the Sellers with all information and particulars necessary to
          enable the Sellers at their own expense and in the name of the Company
          or that Subsidiary to object to or contest the claim provided that the
          Sellers shall keep Parent and the Company or that Subsidiary fully
          informed about the conduct of the claim.

     Subject to the Company or that Subsidiary being indemnified to its
     reasonable satisfaction against all costs and disbursements of and in
     relation to any legal proceedings which may be instituted in respect of
     that claim, (including any additional liability to Taxation and any damages
     and expenses which may be incurred in resisting that claim) the Company or
     that Subsidiary will not accept, pay or compromise any such claim without
     giving the Sellers an opportunity to resist it.

6.2  The Company or the relevant Subsidiary shall be free to pay or settle the
     claim in question and Parent may make a claim under this schedule if within
     14 days of the notice to the Sellers the Sellers fail to notify the Company
     or that Subsidiary of their intention to dispute the claim or fail to
     comply with the provisions of this clause.

6.3  The Sellers shall not be entitled under clause 6.1 to object to or to
     contest the claim in question unless they have been advised by independent
     advisers reasonably acceptable to Parent, after 
<PAGE>
 
     disclosure of all relevant information and documents, that it is reasonable
     to resist the claim in the manner proposed by the Sellers.

6.4  No material communications, written or otherwise, pertaining to the claim
     in question shall be sent to the Inland Revenue or other competent
     authority without having first been submitted to Parent and approved by it,
     such approval not to be unreasonably withheld or delayed.

6.5  Parent shall not be obliged to procure that the Company or the relevant
     Subsidiary compromises any claims if Parent takes the reasonable view that
     such compromises could have adverse effects for the Company on its future
     liability to Taxation or be materially prejudicial to its dealings with the
     Inland Revenue in which event the Sellers shall, if they desire, be
     discharged from all liabilities under this schedule in respect of the claim
     in question if they pay to Parent the amount which the relevant authority
     has indicated it is prepared to accept in settlement or compromise thereof.

7.   ASSIGNMENT
     ----------

7.1  This schedule is binding on the Sellers and their successors and personal
     representatives (as the case may be).

7.2  The benefit of this schedule may be assigned to any member of Parent's
     group at the date of this schedule (a group being Parent and its effective
     51 percent subsidiaries for the purposes of section 170(7) of the TCGA
     ignoring any requirement that such companies be resident in the United
     Kingdom) in whole or in part and without restriction by the person for the
     time being entitled thereto provided that should the assignee cease to be a
     member of Parent's group it shall reassign such part of the benefit of the
     schedule assigned to it to Parent.

8.   MITIGATION
     ----------

8.1  Parent shall at the Sellers' request procure that the Company and any
     Subsidiary:

     (a)  use all reliefs (other than post-completion reliefs) available to it
          (including by way of surrender from one company to another) and make
          all elections, save in respect of matters after Completion, so as to
          reduce or eliminate the Sellers' liability under this schedule; and

     (b)  at the Sellers' expense deliver to the Sellers a certificate from the
          Company's auditors for the time being confirming that all such reliefs
          have been so used and elections made.

     (c)  at the Sellers' expense take such action as is reasonable to enforce
          recovery from any person (other than the Company and its Subsidiaries)
          of any sum in respect of a liability for Taxation to which clause 2
          applies for which they are also liable or from the Inland Revenue or
          other competent Taxation authority which is obliged to repay any such
          Taxation on a claim being made.

9.   ADVANCE CORPORATION TAX
     -----------------------

9.1  If a liability for advance corporation tax is assessed in respect of a
     dividend payable on or before the date hereof on the Ordinary Shares (the
     "ACT Liability") this clause shall apply to such advance corporation tax in
     substitution for and to the exclusion of clauses 2 and 10 of this schedule
     (save as provided for in this clause).
<PAGE>
 
9.2  Upon the ACT Liability becoming due the Sellers will procure a loan to
     Parent of an amount equal to the ACT Liability (the "ACT loan") free of
     interest.

9.3  The ACT loan shall be without recourse and shall become repayable by Parent
     only when and to the extent that it or the Company or any of the
     Subsidiaries utilises the tax credit arising in respect of the ACT
     Liability such repayment to be within ten days of the date when but for
     such utilisation tax would have become payable.

9.4  Parent shall and shall procure that the Company and the Subsidiaries shall
     utilise the tax credit arising in respect of the ACT Liability prior to any
     other relief.

9.5  In the event that all or any part of the ACT loan is not repaid at the date
     specified in clause 9.3 interest shall run from such date until actual
     repayment at the rate laid down in clause 4.2.

10.  OVERPROVISIONS AND CORRESPONDING SAVINGS
     ----------------------------------------

10.1 If:

     (a)  the Company or any of the Subsidiaries shall receive a payment or
          repayment from any fiscal authority in respect of Taxation for any
          accounting period ended before Closing;

     (b)  if any provision for Taxation in the Accounts has proved to be an
          over-provision (after taking into Accounts which has not been the
          subject of a claim under this schedule);

     (c)  any liability to Taxation to which clause 2 applies or the transaction
          giving rise thereto gives rise to a corresponding benefit or saving
          for the Company or any of the Subsidiaries which would not otherwise
          have arisen (including, without limitation, the right to offset such
          liability against any other liability to Taxation of the Company) and
          which is not taken into account in the Accounts;

     an amount equal to such refund or over-provision or (as the case may be)
     the amount or value of such benefit or saving (except to the extent to
     which it has been taken into account or credit has been given for it in
     relation to any claim under section 7.1 of the Agreement (as determined and
     certified by the auditors for the time being of the Company or any of the
     Subsidiaries at the expense of the Sellers)) 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 Sellers under this schedule;

     (b)  to the extent that there is an excess, a refund shall be made to the
          Sellers of any previous payment or payments made by them under this
          schedule and not previously refunded under this sub-clause up to the
          amount of such excess; and
<PAGE>
 
     (c)  to the extent that the excess referred to in clause 10.2(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 become
          due from the Sellers under this schedule.

10.3 Any payment by Parent to the Sellers under clause 10.2 shall be deemed to
     have reduced the amounts previously paid by the Sellers for the purposes of
     section 7.3(c) of the Agreement.

11.  PURCHASER UNDERTAKING
     ---------------------

     Parent undertakes to the Sellers that it shall procure that any liability
     to Taxation of the Company or any of its Subsidiaries in respect of the
     accounting period in which Closing occurs and all previous accounting
     periods shall be paid by the Company to the relevant Taxation authority on
     the due date for the payment of such liability to Taxation subject to the
     Sellers having satisfied any liability they may have under this schedule in
     respect of that liability to Taxation.

12.  POST-COMPLETION MATTERS
     -----------------------

12.1 Parent shall procure that the Sellers and their agents have access for the
     purpose of considering the computations, returns, claims and elections (as
     set out in clause 12.2(b) below) for a period of one year to all records of
     the Company and the Subsidiaries for all periods ended on or before the
     Closing Date during normal business hours provided that reasonable notice
     is first given to Parent of the need for such access.  Parent shall also
     procure that the Sellers and their agents are provided with such copies of
     such records as they may require and that they may remove such copies with
     them on payment to Parent of a reasonable charge for making such copies.

12.2 Parent shall have the conduct of negotiations with the Inland Revenue and
     other competent taxation authorities concerning the taxation liability of
     the Company and the Subsidiaries for periods ending on or before the
     Closing Date in respect of which such liability has not yet been agreed
     with the Inland Revenue and other competent taxation authorities.  Parent
     shall also prepare for submission and shall submit to the Inland Revenue
     and other competent taxation authorities all tax returns, claims and other
     elections for the Company and Subsidiaries in respect of such periods
     provided that:

     (a)  all correspondence to be sent to the Inland Revenue by Parent
          concerning such matters shall be submitted first to the Sellers
          sufficiently in advance of submission to the Inland Revenue to afford
          the Sellers and their professional advisers a reasonable opportunity
          of considering the same;

     (b)  Parent is obliged to take into account any reasonable suggestions or
          observations made by or on behalf of the Sellers on such elections,
          claims, computations or correspondence.  Parent shall provide copies
          of all such documents and all other correspondence between the Inland
          Revenue and other competent taxation authorities, the Company and the
          Subsidiaries having a material bearing on the liability of the Company
          and the Subsidiaries to taxation for such periods to the Sellers at
          the same time as they are sent to or received from the Inland Revenue.
<PAGE>
 
13.  GENERAL
     -------

13.1 Where any obligation, covenant or undertaking in this schedule is expressed
     to be undertaken or given by two or more of the Sellers they shall be
     jointly and severally responsible in respect of it.

13.2 Parent may release or compromise in whole or in part the liability of any
     Seller under this schedule or grant any time or other indulgence without
     affecting the liability of any other Seller.

<PAGE>
 
                                                                     EXHIBIT 2.2

                         REGISTRATION RIGHTS AGREEMENT


                               November 24, 1997



Dear Sir/Madam:

     Pursuant to the Share and Option Purchase Agreement dated as of November
24, 1997 (the "Purchase Agreement"), among Cambridge Technology Partners
(Massachusetts), Inc. (the "Company"), the parties named on Schedule 1 attached
                                                            ----------         
thereto and the Seller Representatives (as defined therein), the Company is
purchasing (the "Acquisition") all of the outstanding share capital and options
to acquire share capital of Peter Chadwick Holdings Limited (the "Target").  In
connection with the Acquisition you, as one of the holders (the "Holders") of
preferred shares, Class A preference shares, Class B preference shares, ordinary
shares and/or options to acquire ordinary shares of Target, are acquiring shares
of Common Stock of the Company.  As the context requires, a Holder may be
referred to as a "seller."  In connection with the Acquisition, the Company and
you covenant and agree as follows:

     1.  Certain Definitions.  As used in this Agreement, the following terms
         -------------------                                                 
shall have the following respective meanings:

         "Agreement" shall mean this Registration Rights Agreement as amended 
          ---------
from time to time and in effect between the parties hereto.

         "Commission" shall mean the United States Securities and Exchange
          ----------                                                      
Commission, or any other United States federal agency at the time administering
the Securities Act.

         "Common Shares" shall mean the shares of Common Stock of the Company 
          -------------
issued to the Holders on even date herewith pursuant to the Purchase Agreement,
including shares of Common Stock of the Company held in escrow on such Holder's
behalf pursuant to the Escrow Agreement (as defined in the Purchase Agreement).

         "Common Stock" shall mean the Common Stock, $.01 par value, of the 
          ------------
Company (including the associated rights (the "Rights") to purchase Preferred
Stock of the Company pursuant to the Company's Rights Agreement), as constituted
as of the date of this Agreement.

         "Exchange Act" shall mean the United States Securities Exchange Act of
          ------------                                                         
1934, as amended, or any similar United States federal statute, and the rules
and regulations of the Commission thereunder, all as the same shall be in effect
at the time.

         "Registration Expenses" shall mean the expenses so described in Section
          ---------------------
7.
<PAGE>
 
                                      -2-

         "Restricted Stock" shall mean the Common Shares, excluding Common 
          ----------------
Shares which (a) have been registered under the Securities Act pursuant to an
effective registration statement filed thereunder and disposed of in accordance
with the registration statement covering them; or (b) have been sold pursuant to
Rule 144 under the Securities Act; or (c) are excluded from the definition of
Restricted Stock pursuant to the last sentence of Section 6.

         "Securities Act" shall mean the United States Securities Act of 1933, 
          --------------
as amended, or any similar United States federal statute, and the rules and
regulations of the Commission thereunder, all as the same shall be in effect at
the time.

         "Selling Expenses" shall mean the expenses so described in Section 7.
          ----------------                                                    

     2.  Securities Act Matters; Restrictions on Transfer.  You acknowledge and
         ------------------------------------------------                      
agree that the Common Shares to be issued to you have not been (and at the time
of acquisition by you, will not have been) registered under the Securities Act
or under the securities laws of any state of the United States, in reliance upon
certain exemptive provisions of such statutes, and have not been registered or
qualified under the securities or other laws of any other jurisdiction.  You
recognize and acknowledge that such claims of exemption are based, in part, upon
your representations contained in this Agreement and in a separate
Representation Letter executed by you in connection with the Purchase Agreement.
You further recognize and acknowledge that, because the Common Shares are not
registered under United States federal and state laws, they are not presently
eligible for public resale in the United States.  You agree that the Common
Shares may not be sold, assigned, transferred, pledged or otherwise disposed of
except pursuant to an effective registration statement under the Securities Act
and any applicable state securities laws, or pursuant to, and in compliance with
the requirements of, Rule 144 under the Securities Act ("Rule 144") as if the
Common Shares were "restricted securities" within the meaning of Rule 144.
Accordingly, you understand that you may be required to bear the risk of your
investment in the Common Shares for an indefinite period of time.  You recognize
and acknowledge that Rule 144 (which facilitates routine sales of securities in
accordance with the terms and conditions of that Rule, including a holding
period requirement) is not now available to you for resale of the Common Shares.
You recognize and acknowledge that, except as set forth in this Agreement, the
Company is under no obligation to register the Common Shares pursuant to the
Securities Act, the securities laws of any state of the United States or
otherwise.  You agree that the Company, at its discretion, may cause stop
transfer orders to be placed with its transfer agent with respect to the
certificates representing your shares of Common Stock, and may place legends on
such certificates reflecting any applicable restrictions on transfer.

     3.  Restrictive Legend.  Each certificate representing Common Shares shall,
         ------------------                                                     
except as otherwise provided in this Section 3 or in Section 4, be stamped or
otherwise imprinted with a legend substantially in the following form:

         THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE UNITED STATES
         SECURITIES ACT OF 1933 (THE "SECURITIES ACT") AND MAY NOT BE OFFERED OR
         SOLD IN THE UNITED STATES OR TO U.S. PERSONS (AS DEFINED IN RULE 902(O)

                                      -2-
<PAGE>
 
                                      -3-

         UNDER THE SECURITIES ACT) UNLESS IT HAS BEEN REGISTERED UNDER THAT ACT
         OR AN EXEMPTION FROM REGISTRATION IS AVAILABLE. THE HOLDER OF THIS
         SECURITY IS ENTITLED TO CERTAIN REGISTRATION RIGHTS AND SUBJECT TO
         CERTAIN RESTRICTIONS ON SALE, EXCHANGE, TRANSFER, PLEDGE OR DISPOSITION
         OF THIS SECURITY AS SET FORTH IN A REGISTRATION RIGHTS AGREEMENT DATED
         NOVEMBER 24, 1997, COPIES OF WHICH MAY BE OBTAINED FROM THE SECRETARY
         OF THE CORPORATION. THE HOLDER OF THIS SECURITY HAS AGREED NOT TO SELL,
         ASSIGN, TRANSFER, PLEDGE OR OTHERWISE DISPOSE OF THIS SECURITY EXCEPT
         PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES
         ACT OR PURSUANT TO RULE 144 ("RULE 144") PROMULGATED UNDER THE
         SECURITIES ACT AS IF SUCH SECURITY WERE A "RESTRICTED SECURITY" WITHIN
         THE MEANING OF RULE 144.

New certificates issued to the transferee pursuant to a sale under Rule 144 or
an effective registration statement and otherwise in accordance with this
Agreement shall not bear such legend.

     4.  Notice of Proposed Transfer.  Prior to any proposed transfer of any
         ---------------------------                                        
Common Shares other than pursuant to an effective registration statement, the
holder thereof shall give written notice to the Company of its intention to
effect such transfer.  Each such notice shall describe the manner of the
proposed transfer and, if requested by the Company, shall be accompanied by an
opinion of counsel satisfactory to the Company to the effect that the proposed
transfer may be effected without registration under the Securities Act
whereupon, if such proposed transfer is otherwise in accordance with the terms
of Section 2 hereof and any "Affiliate Letter" executed by such holder, the
holder of such security shall be entitled to transfer such security in
accordance with the terms of its notice.  If requested by the Company, a
transferee of Common Shares which remain Restricted Stock hereunder will
execute, as a condition of such transfer, an agreement to be bound by this
Agreement in a form acceptable to the Company and provide such other information
and representations as the Company may reasonably request.  Each certificate for
Common Shares transferred as above provided shall bear the legend set forth in
Section 3, except that such certificate shall not bear such legend if (i) such
transfer is in accordance with the provisions of Rule 144 or (ii) the opinion of
counsel referred to above is to the further effect that the transferee and any
subsequent transferee (other than an affiliate of the Company) would be entitled
to transfer such securities in a public sale without registration under the
Securities Act.  The restrictions provided for in this Section 4 shall not apply
to securities which are not required to bear the legend prescribed by Section 3
in accordance with the provisions of that Section.

     5.  Registration.  The Company agrees to cause a registration statement
         ------------                                                       
under the Securities Act on an appropriate form (which shall be Form S-3, if
available) relating to all of the

                                      -3-
<PAGE>
 
                                      -4-

shares of Restricted Stock, including any shares of Restricted Stock held in
escrow on such Holder's behalf pursuant to the Escrow Agreement (as defined in
the Purchase Agreement), to be filed within 30 days after the Closing Date (as
defined in the Purchase Agreement), provided that the Company shall not be
required to register shares of Restricted Stock of any Holder who does not
comply with such Holder's obligations in the last two paragraphs of Section 6
below or who has not executed this Agreement.

     6.  Registration Procedures.  In using its efforts to effect the
         -----------------------                                     
registration of any shares of Restricted Stock under the Securities Act as
described in Section 5, the Company will, as expeditiously as possible:

         (a)   prepare and file, on or before the date specified in Section 5
above, with the Commission a registration statement with respect to such
securities and use its reasonable best efforts to cause such registration
statement (i) to become effective as soon as practicable after the date of its
filing with the Commission and (ii) to remain effective until the earlier of the
sale of all Restricted Stock covered thereby or two years after the effective
date of such registration statement, provided, however, that the Company may
                                     --------  -------
suspend sales at any time under the registration statement immediately upon
notice to the Holders at the last known address of the Holders, for a period or
periods of time not to exceed in the aggregate 90 days during any 12-month
period, if there then exists material, non-public information relating to the
Company which, in the opinion of the Company, would not be appropriate for
disclosure during that time;

         (b)   prepare and file with the Commission such amendments and
supplements to such registration statement and the prospectus used in connection
therewith as may be necessary to keep such registration statement effective for
the period specified in paragraph (a) above;

         (c)   furnish to each seller of Restricted Stock such number of copies
of the registration statement and each such amendment and supplement thereto (in
each case including exhibits) and the prospectus included therein (including
each preliminary prospectus) as such persons reasonably may request in order to
facilitate the public sale or other disposition of the Restricted Stock covered
by such registration statement;

         (d)   use its reasonable best efforts to register or qualify the
Restricted Stock covered by such registration statement under the United States
state securities or "blue sky" laws of such jurisdictions as the sellers of
Restricted Stock reasonably shall request, provided, however, that the Company
shall not for any such purpose be required to qualify generally to transact
business as a foreign corporation in any jurisdiction where it is not so
qualified or to consent to general service of process in any such jurisdiction;

         (e)   use its reasonable best efforts to have the Restricted Stock (but
not including the Rights) covered by such registration statement subject to
quotation on the Nasdaq National Market;

         (f)   notify each seller of Restricted Stock under such registration
statement (at any time when a prospectus relating thereto is required to be
delivered under the Securities Act), 

                                      -4-
<PAGE>
 
                                      -5-

of the happening of any event of which the Company has knowledge as a result of
which the prospectus contained in such registration statement, as then in
effect, includes an untrue statement of a material fact or omits to state a
material fact required to be stated therein or necessary to make the statements
therein not misleading in light of the circumstances then existing, and promptly
prepare and furnish to such seller a reasonable number of copies of a prospectus
supplemented or amended so that, as thereafter delivered to the purchasers of
such Restricted Stock, such prospectus shall not include an untrue statement of
material fact or omit to state a material fact required to be stated therein or
necessary to make the statements therein not misleading in light of the
circumstances then existing; and

         (g)   furnish, at the request of any Holder of Restricted Stock
included in the registration statement pursuant to Section 5 of this Agreement,
on the date that such Restricted Stock is delivered to the underwriters for sale
in connection with such registration if such securities are being sold through
underwriters, or, if such securities are not being sold through underwriters, on
the date that the registration statement with respect to such securities becomes
effective, (i) an opinion, dated such date, of the counsel representing the
Company for the purposes of such registration, in form and substance as is
customarily given to underwriters in an underwritten public offering, addressed
to the underwriters, if any, and to such Holder, and (ii) a letter dated such
date, from the independent certified public accountants of the Company, in form
and substance as is customarily given by independent certified public
accountants to underwriters in an underwritten public offering, addressed to the
underwriters, if any, and to such Holder.

         (h)   notify the Seller Representatives (as defined in the Purchase
Agreement)  of any stop order issued or threatened by the Commission and take
all reasonable actions required to prevent the entry of such stop order or to
remove it if entered.

         In connection with the registration of Restricted Stock hereunder, the
sellers of Restricted Stock will furnish to the Company in writing such
information requested by the Company with respect to themselves and the proposed
distribution by them as shall be necessary in order to assure compliance with
applicable United States federal and state securities laws.

         If the registration pursuant to Section 5 involves an underwritten
public offering, which determination shall be made by the Company and a majority
of the Seller Representatives acting on behalf of the Holders, the Company and
each seller who wishes to participate in such underwriting agree to enter into a
written agreement with the managing underwriter (which shall be selected by the
Company with the consent, not to be unreasonably withheld, of a majority of the
Seller Representatives) in such form and containing such provisions as are
customary in the securities business for such an arrangement between such
underwriter and companies of the Company's size and investment stature. If a
seller does not execute such agreement or does not desire to participate in such
underwriting, such seller's shares of Restricted Stock shall no longer be part
of the registration and such seller shall have no right hereunder to require
registration of its shares of Restricted Stock, and such seller's shares of
Restricted Stock shall no longer be deemed shares of Restricted Stock within the
meaning of this Agreement.

                                      -5-
<PAGE>
 
                                      -6-

     7.  Expenses.  All expenses incurred by the Company in complying with
         --------                                                         
Sections 5 and 6, including, without limitation, all registration and filing
fees, printing expenses, fees and disbursements of counsel and independent
public accountants for the Company, fees and expenses (including reasonable fees
and disbursements of one counsel selected by the sellers) incurred in connection
with complying with United States state securities or "blue sky" laws, fees of
the National Association of Securities Dealers, Inc., transfer taxes, fees of
transfer agents and registrars, and costs of issuance, but excluding any Selling
Expenses, are called "Registration Expenses".  All underwriting discounts (if
any) and selling commissions applicable to the sale of Restricted Stock are
called "Selling Expenses".

         The Company will pay all Registration Expenses in connection with the
registration statement under Section 5.  All Selling Expenses in connection with
the registration statement under Section 5 shall be borne by the participating
sellers in proportion to the number of shares sold by each.  If the registration
statement required to be filed by the Company pursuant to Section 5 is
withdrawn, delayed or abandoned for any reason by the sellers, the Company will
pay all the Registration Expenses in connection with such registration statement
as provided in this Section 7, provided, however, that following such
withdrawal, delay or abandonment, the sellers will have no right to require the
Company, and the Company shall have no obligation, to register any shares of
Restricted Stock pursuant to this Agreement.


     8.  Indemnification and Contribution.
         -------------------------------- 

         (a) In connection with the registration of the Restricted Stock under
the Securities Act pursuant to Section 5 hereof, the Company will indemnify and
hold harmless each seller of such Restricted Stock thereunder, its officers and
directors, each underwriter of such Restricted Stock thereunder and each other
person, if any, who controls such seller or underwriter within the meaning of
the Securities Act, against any losses, claims, damages or liabilities, joint or
several, to which such seller, officer, director, underwriter or controlling
person may become subject under the Securities Act, Exchange Act, United States
state securities laws or otherwise, insofar as such losses, claims, damages or
liabilities (or actions in respect thereof) arise out of or are based upon (i)
any untrue statement or alleged untrue statement of material fact contained in
the registration statement under which such Restricted Stock was registered
under the Securities Act pursuant to Section 5 at the time it became effective
under the Securities Act, any preliminary prospectus or final prospectus
contained therein, or any amendment or supplement thereto, (ii) the omission or
alleged omission of a material fact required to be stated therein or necessary
to make the statements therein not misleading in light of the circumstances
under which they were made or (iii) any violation by the Company or its agents
of any rule or regulation promulgated under the Securities Act, Exchange Act or
United States state securities laws applicable to the Company or its agents and
relating to action or inaction required of the Company in connection with such
registration, and the Company will reimburse each such seller, each such officer
and director, each such underwriter and each such controlling person for any
legal or other expenses reasonably incurred by them in connection with
investigating or defending any such loss, claim, damage, liability or action,
provided, however, that the Company will not be liable in any such case if any
- - --------  -------                                                             
to the extent that any such loss, claim, damage or liability arises out of or is
based upon an untrue statement or alleged untrue statement, an omission or
alleged omission or a violation or alleged

                                      -6-
<PAGE>
 
                                      -7-

violation so made in conformity with information furnished by any such seller,
any such underwriter or any such controlling person.

         (b)   In connection with the registration of the Restricted Stock under
the Securities Act pursuant to Section 5 hereof, each seller of such Restricted
Stock thereunder, severally and not jointly, will indemnify and hold harmless
the Company, each person, if any, who controls the Company within the meaning of
the Securities Act, each officer of the Company who signs the registration
statement, each director of the Company, each underwriter and each person who
controls any underwriter within the meaning of the Securities Act, against all
losses, claims, damages or liabilities, joint or several, to which the Company
or such officer, director, underwriter or controlling person may become subject
under the Securities Act or otherwise, insofar as such losses, claims, damages
or liabilities (or actions in respect thereof) arise out of or are based upon
(i) the failure of such seller to comply with the provisions of Section 11
herein or (ii) any untrue statement or alleged untrue statement of any material
fact contained in the registration statement, any preliminary prospectus or
final prospectus contained therein, or any amendment or supplement thereto, or
arise out of or are based upon the omission or alleged omission to state therein
a material fact required to be stated therein or necessary to make the
statements therein not misleading, and will reimburse the Company and each such
officer, director, underwriter and controlling person for any legal or other
expenses reasonably incurred by them in connection with investigating or
defending any such loss, claim, damage, liability or action, provided, however,
                                                             --------  ------- 
that such seller will be liable hereunder in any such case if and only to the
extent that any such loss, claim, damage or liability arises out of or is based
upon an untrue statement or alleged untrue statement or omission or alleged
omission made in reliance upon and in conformity with information pertaining to
such seller, furnished by such seller, and provided, further, that in no event
                                           --------  -------                  
shall any indemnity under this subsection 8(b) exceed the gross proceeds
received by such Holder from the sale of Restricted Stock.

         (c)   Promptly after receipt by an indemnified party hereunder of
notice of the commencement of any action, such indemnified party shall, if a
claim in respect thereof is to be made against the indemnifying party hereunder,
notify the indemnifying party in writing thereof, but the omission so to notify
the indemnifying party shall not relieve it from any liability which it may have
to such indemnified party other than under this Section 8 and shall only relieve
it from any liability which it may have to such indemnified party under this
Section 8 if and to the extent the indemnifying party is prejudiced by such
omission. In case any such action shall be brought against any indemnified party
and it shall notify the indemnifying party of the commencement thereof, the
indemnifying party shall be entitled to participate in and, to the extent it
shall wish, to assume and undertake the defense thereof with counsel reasonably
satisfactory to such indemnified party, and, after notice from the indemnifying
party to such indemnified party of its election so to assume and undertake the
defense thereof and the approval by the indemnified party of the counsel chosen
by the indemnifying party, the indemnifying party shall not be liable to such
indemnified party under this Section 8 for any legal expenses subsequently
incurred by such indemnified party in connection with the defense thereof other
than reasonable costs of investigation and of liaison with counsel so selected,
provided, however, that, if the defendants in any such action include both the
- - --------  -------                                                             
indemnified party and the indemnifying party and if the interests of the
indemnified party reasonably may be deemed to conflict with the interests of the

                                      -7-
<PAGE>
 
                                      -8-

indemnifying party, the indemnified party shall have the right to select a
separate counsel and to assume such legal defenses and otherwise to participate
in the defense of such action, with the expenses and fees of such separate
counsel and other expenses related to such participation to be reimbursed by the
indemnifying party as incurred.

         (d)   In order to provide for just and equitable contribution to joint
liability in any case in which a claim for indemnification is made pursuant to
this Section 8 but it is judicially determined (by the entry of a final judgment
or decree by a court of competent jurisdiction and the expiration of time to
appeal or the denial of the last right of appeal) that such indemnification may
not be enforced in such case notwithstanding the fact that this Section 8
provides for indemnification in such case, the Company and each seller of
Restricted Stock will contribute to the aggregate losses, claims, damages or
liabilities to which they may be subject (after contribution from others) in
proportion to the relative fault of the Company, on the one hand, and each
holder, severally, on the other hand; provided, however, that, in any such case,
                                      --------  -------                         
no person or entity guilty of fraudulent misrepresentation (within the meaning
of Section 11(f) of the Securities Act) will be entitled to contribution from
any person or entity who was not guilty of such fraudulent misrepresentation
and; provided, further, that in no event shall any contribution under this
     --------  -------                                                    
subsection 8(d) on the part of any Holder exceed the gross proceeds received by
such Holder from the sale of Restricted Stock.

         (e)   The indemnities provided in this Section 8 shall survive the
transfer of any Restricted Stock by such holder.

     9.  Reports Under Securities Exchange Act of 1934.  With a view to making
         ---------------------------------------------                        
available to the Holders the benefits of Rule 144 promulgated under the
Securities Act, the Company agrees to:

         (a)   make and keep public information available, as those terms are
understood and defined in Rule 144;

         (b)   maintain registration of its Common Stock (including the Rights
so long as any are outstanding) under Section 12 of the Exchange Act;

         (c)   use its reasonable best efforts to maintain the inclusion of its
Common Stock (but not including the Rights) on the Nasdaq National Market or
other similar stock market or stock exchange;

         (d)   file in a timely manner all reports and other documents required
of the Company under the Securities Act and the Exchange Act; and

         (e)   furnish to any Holder, so long as the Holder owns any Restricted
Stock, forthwith upon request: (i) a written statement by the Company that it
has complied with the reporting requirements of Rule 144 and (ii) a copy of the
most recent annual or quarterly report of the Company and such other reports and
documents so filed by the Company under the Exchange Act.

                                      -8-
<PAGE>
 
                                      -9-

     10.  Changes in Common Stock.  If, and as often as, there is any change in
          -----------------------                                              
the Common Stock (excluding, for this purpose, the Rights) by way of a stock
split, stock dividend, combination or reclassification, or through a merger,
consolidation, reorganization or recapitalization, or by any other means,
appropriate adjustment shall be made in the provisions hereof so that the rights
and privileges granted hereby shall continue with respect to the Common Stock as
so changed.

     11.  Sellers' Conduct.  With respect to any sale of Common Shares pursuant
          ----------------                                                     
to Section 6, you understand and agree as follows:

          (a)   You will carefully review the information concerning you
contained in the registration statement (if any) and will promptly notify the
Company if such information is not complete and accurate in all respects,
including having properly disclosed any position, office or other material
relationship within the past three years with the Company or its affiliates;

          (b)   You agree to sell your Common Shares only in the manner set
forth in the registration statement while such registration statement is
effective;

          (c)   You agree to comply with the anti-manipulation rules under the
Exchange Act in connection with purchases and sales of securities of the Company
during the time the registration statement remains effective;

          (d)   You agree to only sell shares in a jurisdiction after counsel
for the Company has advised that such sale is permissible under the applicable
United States state securities or "Blue Sky" laws;

          (e)   You agree to comply with the prospectus delivery requirements of
the Securities Act and the Exchange Act;

          (f)   You agree to promptly notify the Company of any and all planned
sales and completed sales of shares; and

          (g)   You agree to suspend sales during the periods when sales are to
be suspended pursuant to Section 6(a) herein.

     12.  Limitations on Subsequent Registration Rights.  From and after the
          ---------------------------------------------                     
date of this Agreement, the Company shall not, without the prior written consent
of either a majority of the Seller Representatives or the Holders of a majority
of the Restricted Stock, enter into any agreement with any holder or prospective
holder of any securities of the Company which would allow such holder or
prospective holder to include such securities in the registration filed under
Section 5 hereof, unless under the terms of such agreement, such holder or
prospective holder may include such securities in such registration only to the
extent that the inclusion of his securities will not reduce the amount of the
Restricted Stock of the Holders which is included in such registration.

                                      -9-
<PAGE>
 
                                     -10-

     13.  Miscellaneous.
          ------------- 

          (a)   All covenants and agreements contained in this Agreement by or
on behalf of any of the parties hereto shall bind and inure to the benefit of
the respective successors and assigns of the parties hereto (including, without
limitation, transferees of any Restricted Stock, provided, that such transferee
                                                 --------                      
executes a counterpart signature page to this Agreement in a form acceptable to
the Company), whether so expressed or not, provided that no holder or transferee
of Common Shares which have ceased to be Restricted Stock shall have the benefit
of the covenants and agreements in this Agreement with respect to such Common
Shares.

          (b)   All notices, requests, consents and other communications
hereunder shall be in writing and shall be mailed by certified or registered
mail, return receipt requested, postage prepaid, sent by internationally
recognized delivery service guaranteeing delivery in two business days or less,
with the price of delivery paid by the sender, or telexed or telecopied,
addressed as follows:

                if to the Company, at 304 Vassar Street, Cambridge,
          Massachusetts USA., Attention: Chief Financial Officer (Telecopy
          Number: 001-617-374-8507) with a copy to Steven C. Browne, Esq.,
          Testa, Hurwitz & Thibeault, LLP, 125 High Street, Boston,
          Massachusetts 02110 U.S.A. (Telecopy Number: (617) 248-7100);

                if to any other party hereto, c/o the Seller Representatives,
          Quentin Baer, Ian Clarkson and Malcolm Glyn, at their address set
          forth in Schedule 3 to the Purchase Agreement with a copy to
          Macfarlanes, 10 Norwich Street, London EC4A 1BD, ENGLAND, Attention:
          Peter H. Turnbull/John Dodsworth and a copy to Reed Smith Shaw &
          McClay LLP, 2500 One Liberty Place, 1650 Market Street, Philadelphia,
          Pennsylvania 19103-7301, U.S.A., Attention: Lori Lasher and Michael
          Pollack;

or, in any case, at such other address or addresses as shall have been furnished
in writing to the Company (in the case of a holder of Restricted Stock or the
Seller Representatives) or to the holders of Restricted Stock and the Seller
Representatives (in the case of the Company) in accordance with the provisions
of this paragraph.

          (c)   This Agreement shall be governed by and construed in accordance
with the laws of the State of Delaware.

          (d)   This Agreement may be amended or modified, and provisions hereof
may be waived, with the written consent of (i) the Company and (ii) either a
majority of the Seller Representatives or the holders of at least a majority of
the outstanding shares of Restricted Stock. Compliance by any Holder with the
provisions of this Agreement may be waived in writing by the Company in its sole
discretion in any one or more instances, provided that any such waiver shall

                                      -10-
<PAGE>
 
                                     -11-

apply only to the provision or provisions and only to the specific instances
specified in such waiver.

          (e)   This Agreement may be executed in two or more counterparts, each
of which shall be deemed an original, but all of which together shall constitute
one and the same instrument.

          (f)   If any provision of this Agreement shall be held to be illegal,
invalid or unenforceable, such illegality, invalidity or unenforceability shall
attach only to such provision and shall not in any manner affect or render
illegal, invalid or unenforceable any other provision of this Agreement, and
this Agreement shall be carried out as if any such illegal, invalid or
unenforceable provision were not contained herein.


                            [Signature Page Follows]

                                      -11-
<PAGE>
 
                                     -12-

          Please indicate your acceptance of the foregoing by signing and
returning the enclosed counterpart of this letter, whereupon this Agreement
shall be a binding agreement between the Company and you. You understand that
the Company is expressly relying on the accuracy of the information contained
herein.

                                       Very truly yours,

                                       COMPANY:
 
                                       CAMBRIDGE TECHNOLOGY PARTNERS
                                       (MASSACHUSETTS), INC.
 


                                       By:  /s/
                                            ------------------------------------

                                       Title:
                                              ----------------------------------


AGREED TO AND ACCEPTED as of
the date first above written.



/s/
- - ------------------------------------ 

                                      -12-
<PAGE>
 
                                    HOLDERS:

                                    /s/
                                    ------------------------------------
                                    Tom Aldridge

                                    /s/
                                    ------------------------------------
                                    Quentin Baer


                                    FENS LIMITED

                                    By: /s/
                                        --------------------------------

                                    By: /s/
                                        --------------------------------


                                    FANMORE INVESTMENTS LIMITED

                                    By: /s/
                                        --------------------------------

                                    By: /s/
                                        --------------------------------


                                    ST. HELIER TRUST CO. LIMITED

                                    By: /s/
                                        --------------------------------

                                    By: /s/
                                        --------------------------------


                                    EAGLE PLACE TRUSTEES LIMITED

                                    By: /s/
                                        --------------------------------

                                    By: /s/
                                        --------------------------------


                                    /s/
                                    ------------------------------------
                                    Michael Bligh

                                    /s/
                                    ------------------------------------
                                    Jonathan Burton

                                    /s/
                                    ------------------------------------
                                    Charles Cable

                                      -13-
<PAGE>
 
                                    /s/
                                    ------------------------------------
                                    Emma Carpenter

                                    /s/
                                    ------------------------------------
                                    Ron Chan

                                    /s/
                                    ------------------------------------
                                    Stephen Cheetham

                                    /s/
                                    ------------------------------------
                                    Ian Clarkson


                                    ARROW NOMINEES INC.

                                    By: /s/
                                        --------------------------------

                                    By:  /s/
                                        --------------------------------


                                    /s/
                                    ------------------------------------
                                    Peter Clements

                                    /s/
                                    ------------------------------------
                                    Derek Clow

                                    /s/
                                    ------------------------------------
                                    Kevin Cornwell

                                    /s/
                                    ------------------------------------
                                    Tony Court

                                    /s/
                                    ------------------------------------
                                    Renaud Cuignet

                                    /s/
                                    ------------------------------------
                                    Jurgen Deiss

                                    /s/
                                    ------------------------------------
                                    David Delvin

                                    /s/
                                    ------------------------------------
                                    Alois Deubert

                                    /s/
                                    ------------------------------------
                                    Charles Donald

                                      -14-
<PAGE>
 
                                    /s/
                                    ------------------------------------
                                    Tim Durston


                                    JERMYN TRUSTEES (JERSEY) LIMITED

                                    By: /s/
                                        --------------------------------

                                    By: /s/
                                        --------------------------------


                                    /s/
                                    ------------------------------------
                                    Stefan Falckenberg

                                    /s/
                                    ------------------------------------
                                    Malcolm Glyn

                                    /s/
                                    ------------------------------------
                                    Hans Grapenthin

                                    /s/
                                    ------------------------------------
                                    Gavin Hall

                                    /s/
                                    ------------------------------------
                                    Paul Heagren

                                    /s/
                                    ------------------------------------
                                    David Henderson

                                    /s/
                                    ------------------------------------
                                    Marc Henrie

                                    /s/
                                    ------------------------------------
                                    Rupert Hucker

                                    /s/
                                    ------------------------------------
                                    Mark Hughes

                                    /s/
                                    ------------------------------------
                                    Peter Isaac

                                    /s/
                                    ------------------------------------
                                    Wolfram Kurshener

                                      -15-
<PAGE>
 
                                    /s/
                                    ------------------------------------
                                    Charles Landry

                                    /s/
                                    ------------------------------------
                                    Daniel Lechanteaux

                                    /s/
                                    ------------------------------------
                                    Piers Lightfoot

                                    /s/
                                    ------------------------------------
                                    Neil Loxley

                                    /s/
                                    ------------------------------------
                                    Steve Marples

                                    /s/
                                    ------------------------------------
                                    Simon Marshall

                                    /s/
                                    ------------------------------------
                                    Keith Milburn

                                    /s/
                                    ------------------------------------
                                    Peter Mounsey

                                    /s/
                                    ------------------------------------
                                    Ivor Osborne


                                    PARNIB BELGIE NV

                                    By: /s/
                                        --------------------------------

                                    By: /s/
                                        --------------------------------


                                    /s/
                                    ------------------------------------
                                    Sal Puarr

                                    /s/
                                    ------------------------------------
                                    Richard Raya

                                    /s/
                                    ------------------------------------
                                    Gustavo Rojas

                                      -16-
<PAGE>
 
                                    DARNLEY ASSETS LIMITED

                                    By: /s/
                                        --------------------------------

                                    By: /s/
                                        --------------------------------


                                    /s/
                                    ------------------------------------
                                    Marie-Claude Rondot

                                    /s/
                                    ------------------------------------
                                    Gunter Schneider

                                    /s/
                                    ------------------------------------
                                    Alfred Schuller

                                    /s/
                                    ------------------------------------
                                    Bernard Shaw

                                    /s/
                                    ------------------------------------
                                    Jane Smart

                                    /s/
                                    ------------------------------------
                                    Laura Smith

                                    /s/
                                    ------------------------------------
                                    David Smith

                                    /s/
                                    ------------------------------------
                                    Oliver Staudacher

                                    /s/
                                    ------------------------------------
                                    Sean Stevens

                                    /s/
                                    ------------------------------------
                                    Garry Sutton

                                    /s/
                                    ------------------------------------
                                    Martin Thompson

                                    /s/
                                    ------------------------------------
                                    Sean Tipping

                                    /s/
                                    ------------------------------------
                                    Mike Trenouth

                                      -17-
<PAGE>
 
                                    /s/
                                    ------------------------------------
                                    Jim Trice

                                    /s/
                                    ------------------------------------
                                    Mark Turek

                                    /s/
                                    ------------------------------------
                                    John Van Daalen

                                    /s/
                                    ------------------------------------
                                    Gerard Van Kemmel

                                    /s/
                                    ------------------------------------
                                    Nick Von Baillou

                                    /s/
                                    ------------------------------------
                                    Dominic Wakefield

                                    /s/
                                    ------------------------------------
                                    Michael Warren

                                    /s/
                                    ------------------------------------
                                    Alex Watson

                                    /s/
                                    ------------------------------------
                                    Emile Weekers

                                    /s/
                                    ------------------------------------
                                    Andrew Wells

                                    /s/
                                    ------------------------------------
                                    Terry White

                                    /s/
                                    ------------------------------------
                                    Owen Williams

                                    /s/
                                    ------------------------------------
                                    Paul Wysall

                                      -18-

<PAGE>
 
                                                                     EXHIBIT 2.3

                                ESCROW AGREEMENT


Escrow Agreement (this "Agreement") dated as of November 24, 1997, by and among
Cambridge Technology Partners (Massachusetts), Inc., a Delaware corporation
("Parent"), the persons and entities listed on Schedule 1 to the Purchase
                                               ----------                
Agreement (as defined below) (referred to collectively herein as the "Sellers,"
and each individually as a "Seller"), Mellon Bank, N.A. (the "Escrow Agent"),
and Quentin Baer, Ian Clarkson and Malcolm Glyn (each a "Seller Representative"
and collectively, the "Seller Representatives").  Capitalized terms used herein
without definition shall have the meaning ascribed thereto in the Purchase
Agreement.

WHEREAS, Parent, the Sellers and the Seller Representatives have entered into a
Share and Option Purchase Agreement (the "Purchase Agreement") dated as of the
date hereof; and

WHEREAS, this Agreement is required to be executed and delivered in connection
with the Purchase Agreement.

NOW, THEREFORE, in consideration of the premises and agreements set forth below,
the parties agree as follows:

Section 1.  Delivery of Certificates; Notice of Claims.
            ------------------------------------------ 

(a)  Pursuant to Section 2.2(a)(ii) of the Purchase Agreement, Parent shall
     deliver to the Paying Agent (which shall then deliver to the Escrow Agent)
     certificates for 325,550 shares of Parent Common Stock accompanied by a
     schedule in which are set out against the name of each Seller the number of
     shares of Parent Common Stock so delivered which are registered in that
     Seller's name.

(b)  The Escrow Agent shall maintain a separate record of each Seller, the
     number of shares of Parent Common Stock in the escrow account registered in
     such Seller's name (hereinafter referred to as an "Individual Seller's
     Account") and the number of such Seller's said shares delivered to Parent
     pursuant to the provisions of this Agreement out of such Individual
     Seller's Account.  The delivery of such shares to Parent is sometimes
     herein referred to as "debiting an Individual Seller's Account."

(c)  In the event that Parent delivers a Certificate pursuant to Article VII of
     the Purchase Agreement at any time prior to the earlier to occur of (a) the
     first anniversary of the Closing Date or (b) the date all Escrow Shares
     have been delivered to Parent in satisfaction of prior Payment Claims (the
     earlier of such dates being referred to as the "Escrow Termination Date"),
     Parent shall also send a copy of the Certificate to the Escrow Agent.  In
     the case of an Individual Seller Certificate (including a Certificate
     treated as an Individual Seller Certificate pursuant to Section 7.5(f) of
     the Purchase Agreement in the case of a claim for fraud), such Certificate
     or an accompanying notice
<PAGE>
 
     shall name the Seller or Sellers to whom such Certificate relates and
     whether such Certificate relates to a claim against such Seller for
     committing fraud in respect of the representations and warranties set forth
     in Article IV of the Purchase Agreement, in which case such Certificate
     shall be referred to herein as an "Individual Seller Fraud Certificate."

Section 2.  Escrow Agreed Claims, Individual Seller Agreed Claims, Fraud Claims.
            ------------------------------------------------------------------- 

(a)  In the event that a Payment Claim becomes an Escrow Agreed Claim or an
     Individual Seller Agreed Claim in accordance with Section 7.5(e) of the
     Purchase Agreement, Parent shall promptly give notice to the Escrow Agent
     of the amount of such Escrow Agreed Claim or Individual Seller Agreed Claim
     (which, for avoidance of doubt, may in either case be zero) and notice (a
     "Payment Notice") of the amount to which Parent is then entitled to receive
     out of the escrow (which, for avoidance of doubt, may be zero if, for
     example, the Reimbursement Threshold, if applicable, has not yet been
     reached) and specifying whether such Payment Notice relates to an Escrow
     Agreed Claim or an Individual Seller Agreed Claim.  Any Payment Notice
     relating to an Escrow Agreed Claim shall also specify the number of Escrow
     Shares of each Individual Seller's Account to which such Payment Notice
     relates.  In the case of a Payment Notice which relates to the Individual
     Seller's Accounts of the Sellers generally a copy of such notice shall also
     be given to the Seller Representatives, and, in the case of a Payment
     Notice which relates to a particular Seller's Individual Seller's Account,
     a copy of such notice shall also be given to such Seller.  Notwithstanding
     the foregoing, in the event of an Individual Seller Agreed Claim in an
     amount greater than zero, Parent may, in lieu of a Payment Notice, give the
     Escrow Agent (with a copy being given to the Seller Representatives) a
     deferral notice (a "Deferral Notice") stating that Parent has deferred
     collection against the shares in such Seller's Individual Seller's Account
     in respect of such Individual Seller Agreed Claim because it anticipates
     trying to collect the amount of such Individual Seller Agreed Claim outside
     of the escrow account.  Parent shall promptly notify the Escrow Agent and
     the Seller Representatives of any amounts so collected by Parent in respect
     of such Individual Seller Agreed Claim outside of the escrow account (a
     "Cancellation Notice") and the amount of such Individual Seller Agreed
     Claim shall be reduced accordingly.  Parent may give a Payment Notice with
     respect to any uncollected amount of an Individual Seller Agreed Claim at
     any time.

(b)  In the event that a Payment Claim which relates to fraud in respect of the
     representations and warranties set forth in Article IV of the Purchase
     Agreement (a "Fraud Claim") becomes treated as an Individual Seller Agreed
     Claim pursuant to Section 7.5(f) of the Purchase Agreement (herein, an
     "Individual Seller Fraud Agreed Claim"), Parent shall promptly give notice
     to the Escrow Agent of the amount of such Individual Seller Fraud Agreed
     Claim (which, for the avoidance of doubt, may be zero) and a Payment Notice
     stating that it relates to an Individual Seller Fraud Agreed Claim or a
     Deferral Notice as described in Section 2(a) above, a copy of which shall
     also be given to the particular Seller in question.  The provisions of the
     last two sentences of Section 2(a) shall also apply to any Individual
     Seller Fraud Claim which is the subject of a Deferral Notice.  In
     the event that a Fraud Claim becomes treated as an Escrow Agreed Claim
     pursuant to Section 7.5(f) 

                                      -2-
<PAGE>
 
     of the Purchase Agreement (herein, an "Escrow Fraud Agreed Claim"), Parent
     shall promptly give notice to the Escrow Agent of the amount of such Escrow
     Fraud Agreed Claim (which, for the avoidance of doubt, may be zero) and a
     Payment Notice specifying that it relates to an Escrow Fraud Agreed Claim,
     a copy of which shall also be given to the Seller Representatives.

Section 3.  Distributions.
            ------------- 

(a)  (i)   Ten days after receiving a Payment Notice, the Escrow Agent shall
           deliver to Parent as promptly as practicable that number of Escrow
           Shares with a value equal to the amount set forth in the Payment
           Notice (rounded up to the nearest whole share). For this purpose, the
           value of each Escrow Share shall be (Pounds)21.82.

     (ii)  (A)  In the case of a Payment Notice in respect of an Escrow Agreed
                Claim, the Escrow Shares to be delivered to Parent pursuant to
                Section 3(a)(i) shall represent each Seller's Pro Rata Share of
                the amount set forth in the Payment Notice, rounded as necessary
                to avoid fractional shares, and the number of shares delivered
                to Parent with respect to a Seller shall be debited to such
                Seller's Individual Seller's Account. Parent shall deliver a
                schedule to the Escrow Agent with the Payment Notice setting
                forth the number of shares of Parent Common Stock to be
                delivered to Parent from each Seller's Individual Seller's
                Account. For purposes of this Agreement, Pro Rata Share shall
                mean, with respect to each Seller, a fraction, the numerator of
                which is the number of shares of Parent Common Stock delivered
                to the Paying Agent (and then delivered to the Escrow Agent) for
                such Individual Seller's Account in connection with the Closing
                pursuant to Article II of the Purchase Agreement, and the
                denominator of which is the aggregate number of Escrow Shares
                delivered to the Paying Agent (and then delivered to the Escrow
                Agent) in connection with the Closing pursuant to Article II of
                the Purchase Agreement. If the number of shares held in a
                Seller's Individual Seller's Account is insufficient to pay such
                Seller's full Pro Rata Share of a Payment Notice (for example,
                if shares originally deposited in escrow in such Seller's
                Individual Seller's Account have been delivered to Parent to
                satisfy one or more Individual Seller Agreed Claims), all of the
                Escrow Shares held in such Seller's Individual Seller's Account
                shall be delivered to Parent in connection with such Payment
                Notice, but in connection with an Escrow Agreed Claim no
                Seller's Individual Seller's Account shall be debited for more
                than his Pro Rata Share of the amount set forth in such Payment
                Notice.

          (B)   In the case of a Payment Notice in respect of an Individual
                Seller Agreed Claim or an Individual Seller Fraud Agreed Claim,
                the Escrow Shares to be delivered to Parent pursuant to Section
                3(a)(i) shall represent only Escrow Shares held in the
                Individual Seller's Account of the Seller with respect to which
                the Individual Seller Agreed Claim or Individual Seller Fraud
                Agreed

                                      -3-
<PAGE>
 
                Claim relates, as specified in the Payment Notice, and only such
                Seller's Individual Seller's Account shall be debited in
                connection therewith.

          (C)   In the case of a Payment Notice in respect of an Escrow Fraud
                Agreed Claim, if Parent has received payment from the Seller
                committing the fraud in an amount which represents more than
                such Seller's Pro Rata Share of total Losses with respect to
                such Escrow Fraud Agreed Claim, then the Escrow Shares to be
                delivered to Parent pursuant to Section 3(a)(i) from the
                Individual Seller's Account of each Seller who did not commit
                such fraud (the "Non-Fraudulent Sellers") shall represent each
                such Non-Fraudulent Seller's proportionate share (rounded as
                necessary to avoid fractional shares) of the amount set forth in
                the Payment Notice. For this purpose, each Non-Fraudulent
                Seller's proportionate share shall be the proportion which such
                Non-Fraudulent Seller's Pro Rata Share bears to the aggregate
                Pro Rata Shares of all Non-Fraudulent Sellers. If, however,
                Parent has not received payment from the Seller committing the
                fraud in an amount which represents more than such Seller's Pro
                Rata Share of total Losses with respect to such Escrow Fraud
                Agreed Claim, then the Escrow Shares to be delivered to Parent
                pursuant to Section 3(a)(i) from the Individual Seller's Account
                of each Non-Fraudulent Seller shall represent each such Non-
                Fraudulent Seller's Pro Rata Share of the amount set forth in
                the Payment Notice relating to such Escrow Fraud Agreed Claim.
                Parent shall inform the Escrow Agent, in connection with the
                Payment Notice, as to which of the allocations described in this
                Section 3(a)(ii)(C) is applicable to such Payment Notice, a copy
                of which shall also be given to the Seller Representatives. For
                purposes of this Section 3(a)(ii)(C), shares of Parent Common
                Stock delivered to Parent by or on behalf of the Seller
                committing the fraud shall be valued at (Pounds)21.82.

(b)  The Escrow Agent shall retain in escrow in each Seller's Individual
     Seller's Account after the first anniversary of the Closing Date, with
     respect to each Seller, a number of Escrow Shares having a value (as
     determined pursuant to Section 3(a)(i) and rounded up to the nearest whole
     share) equal to the sum of (i) such Seller's Pro Rata Share of the pounds
     sterling amount (as set forth in the Certificate or Certificates) of all
     Payment Claims which were the subject of an Escrow Certificate pursuant to
     Section 7.5(b) of the Purchase Agreement and which have not as of that date
     become Agreed Claims ("Pending Escrow Claims"), (ii) such Seller's Pro Rata
     Share of the pounds sterling amount (as set forth in the Certificate or
     Certificates) of all Payment Claims which were the subject of an Individual
     Seller Fraud Certificate with respect to any Seller other than such Seller
     and which have not become Individual Fraud Agreed Claims or which have
     become Individual Fraud Agreed Claims with respect to which a Deferral
     Notice was given to the Escrow Agent (to the extent a Payment Notice or
     Cancellation Notice was not subsequently given), (iii) the pounds sterling
     amount such Seller would be liable for with respect to a Certificate
     treated as an Escrow Certificate pursuant to Section 7.5(b) of the Purchase
     Agreement in the case of a claim for fraud (based on the pounds sterling
     amount set forth 

                                      -4-
<PAGE>
 
     in such Certificate) as determined in accordance with Section 3(a)(ii)(C)
     and taking into account amounts, if any, paid to Parent as of the first
     anniversary of the Closing Date by the Seller committing the fraud, (iv)
     the pounds sterling amount (as set forth in the Certificate or
     Certificates) of all Payment Claims which were the subject of an Individual
     Seller Certificate (including in respect of a Fraud Claim against such
     Seller) with respect to such Seller and which have not then become
     Individual Seller Agreed Claims or Individual Fraud Agreed Claims ("Pending
     Individual Seller Claims"), (v) the pounds sterling amount of all
     Individual Seller Agreed Claims or Individual Seller Fraud Agreed Claims of
     such Seller for which a Deferral Notice was given to the Escrow Agent (to
     the extent a Payment Notice or a Cancellation Notice was not subsequently
     given) and (vi) such Seller's Pro Rata Share of the aggregate pound
     sterling amount of all Escrow Agreed Claims for which Parent was not
     entitled to payment because of the Reimbursement Threshold, provided that
     an amount shall be retained pursuant to this clause (vi) only to the extent
     that, assuming Parent was to become entitled to payment in full in respect
     of the Pending Escrow Claims, Parent would also become entitled to full
     payment in respect of such amount because the Reimbursement Threshold had
     been exceeded. Parent shall provide the Escrow Agent and the Seller
     Representatives with a schedule showing the number of shares to be retained
     after the first anniversary of the Closing Date in each Seller's Individual
     Seller's Account.

(c)  As promptly as practicable after the first anniversary of the Closing Date
     (but following receipt of the schedule from the Seller Representatives
     referred to in this Section 3(c)), the Escrow Agent shall deliver to the
     Paying Agent, on behalf of the Sellers, certificates for the balance of the
     Escrow Shares not delivered to Parent (or to be delivered to Parent
     pursuant to a Payment Notice received by the Escrow Agent on or prior to
     the first anniversary of the Closing Date) or retained in escrow pursuant
     to Section 3(b).  The number of Escrow Shares to be delivered to each
     Seller shall be equal to (i) the number of Escrow Shares delivered to the
     Escrow Agent for such Seller's Individual Seller's Account in connection
     with the Closing reduced by (ii) the sum of (A) the number of shares
     delivered to Parent (or which are to be delivered to Parent pursuant to a
     Payment Notice received by the Escrow Agent on or prior to the first
     anniversary of the Closing Date) from such Seller's Individual Seller's
     Account and (B) the number of shares retained in escrow in such Seller's
     Individual Seller's Account pursuant to Section 3(b).  The amount
     distributable to the Paying Agent on behalf of each Seller may be reduced
     by amounts used to pay expenses of the Seller Representatives pursuant to
     Article IX of the Purchase Agreement.  The Seller Representatives shall
     promptly after the time Escrow Shares become distributable to or on behalf
     of the Sellers deliver a schedule to the Escrow Agent and Parent setting
     forth the number of shares to be delivered to the Paying Agent on behalf of
     each Seller, and the number of shares, if any, to be delivered to the
     Seller Representatives in the name of each Seller to be sold by the Seller
     Representatives for the account of such Seller in order to satisfy such
     Seller's obligation to reimburse the Seller Representatives for expenses in
     accordance with Article IX of the Purchase Agreement.

(d)  Escrow Shares that are not distributed to the Sellers on the first
     anniversary of the Closing Date because they have been retained pursuant to
     Section 3(b) in respect of a Pending 

                                      -5-
<PAGE>
 
     Escrow Claim shall be handled as follows as promptly as practicable after
     such Pending Escrow Claim becomes an Escrow Agreed Claim. If the value of
     the Escrow Shares (determined in accordance with Section 3(a)(i)) retained
     in respect of such Pending Escrow Claim exceeds the amount of such Escrow
     Agreed Claim, a number of Escrow Shares representing such excess (with any
     fraction being rounded down) shall be delivered to the Paying Agent, on
     behalf of the Sellers. Each Seller shall be entitled to his proportional
     share of such distribution based on the number of shares of such Seller
     retained in escrow in respect of such Pending Escrow Claim and the last two
     sentences of Section 3(c) shall apply to such distribution. The number of
     Escrow Shares with a value (determined in accordance with Section 3(a)(i)
     and rounded up to the nearest whole share) equal to the amount set forth in
     the Payment Notice delivered by Parent to the Escrow Agent (which may
     include amounts retained in escrow pursuant to clause (vi) of Section 3(b)
     if Parent is then entitled to such amounts) accompanying notice of such
     Escrow Agreed Claim shall be delivered to Parent in accordance with
     Sections 3(a)(i) and (ii). Any Escrow Shares that are retained in escrow
     pursuant to clause (vi) of Section 3(b) shall remain in escrow until they
     are delivered to Parent pursuant to a Payment Notice or until Parent, even
     if it became entitled to payment in respect of Payment Claims which are
     then Pending Escrow Claims and other claims which are subject to the
     Reimbursement Threshold, would not be entitled to receive such shares, in
     which case such shares shall be delivered to the Paying Agent, on behalf of
     the Sellers. Each Seller shall be entitled to his proportional share of
     such distribution based on the number of shares of such Seller that had
     been so retained, and the last two sentences of Section 3(c) shall apply to
     such distribution.

(e)  Escrow Shares that are not distributed to the Sellers on the first
     anniversary of the Closing Date because they have been retained pursuant to
     Section 3(b) in respect of a Pending Individual Seller Claim shall be
     handled as follows.  If a Pending Individual Seller Claim becomes an
     Individual Seller Agreed Claim with a pounds sterling amount of zero or if
     any of such claims is paid in full by the Seller against which such claim
     was made, all of the Escrow Shares retained in respect of such claim shall
     be delivered to the Paying Agent, on behalf of the Seller with respect to
     which such Pending Individual Seller Claim related upon notice from Parent
     to such effect (and Parent agrees to give notice to the Escrow Agent
     promptly in such circumstances).  Except as set forth in the preceding
     sentence, in the event a Pending Individual Seller Claim becomes an
     Individual Seller Agreed Claim, the number of Escrow Shares with a value
     (determined in accordance with Section 3(a)(i) and rounded up to the
     nearest whole share) equal to the amount set forth in the Payment Notice
     delivered by Parent to the Escrow Agent accompanying notice of such
     Individual Seller Agreed Claim shall be delivered to Parent in accordance
     with Section 3(a)(i) and (ii), and the remainder of the Escrow Shares
     retained in respect of such claim shall be delivered to the Paying Agent,
     on behalf of the Seller with respect to which such Individual Seller
     Pending Claim related upon notice from Parent to such effect (and Parent
     agrees to give notice to the Escrow Agent promptly in such circumstances).
     Escrow Shares which are retained in escrow following the first anniversary
     of the Closing Date pursuant to clause (v) of Section 3(b) shall be
     delivered to the Paying Agent, on behalf of the Seller with respect to
     which such shares were retained, or Parent, as appropriate, as
     

                                      -6-
<PAGE>
 
     directed in Parent's Payment Notice or Cancellation Notice relating
     thereto. Shares delivered to Parent pursuant to the preceding sentence
     shall be valued in accordance with Section 3(a)(i). Notwithstanding the
     foregoing, this Section 3(e) shall not apply to any Escrow Shares retained
     in escrow following the first anniversary of the Closing Date in connection
     with a Fraud Claim in respect of an Individual Seller Fraud Certificate or
     an Individual Seller Fraud Agreed Claim, which shall be governed by Section
     3(f) below.

(f)  With respect to shares retained in escrow following the first anniversary
     of the Closing Date in respect of a Payment Claim referred to in the last
     sentence of Section 3(e), when any such claim becomes an Individual Seller
     Fraud Agreed Claim or an Escrow Fraud Agreed Claim, as the case may be,
     Escrow Shares retained in respect of such claim shall be delivered to
     Parent pursuant to a Payment Notice or, to the extent Parent is not
     entitled to such shares, (i) delivered to the Paying Agent on behalf of the
     Sellers based on the number of shares of each Seller retained in respect of
     such claim or (ii) if Parent would be entitled to such shares but for the
     Reimbursement Threshold, retained in escrow, all in accordance with the
     general principles of this Agreement.  Parent shall instruct the Escrow
     Agent, and deliver a copy of such instructions to the Seller
     Representatives, with respect to matters referred to in this Section 3(f).

(g)  Notwithstanding anything herein to the contrary, no Escrow Shares shall be
     distributed to a Seller pursuant to Section 3(d), 3(e) or 3(f) if the
     number of shares then held in escrow in such Seller's Individual Seller's
     Account would be less than the maximum number of Escrow Shares which may
     become deliverable to Parent out of such Seller's Individual Seller's
     Account pursuant to this Agreement in connection with claims for which
     shares were retained in escrow following the first anniversary of the
     Closing Date.

Section 4.  Voting Rights and Distributions.
            ------------------------------- 

(a)  The Escrow Shares, unless and until delivered to Parent pursuant to this
     Agreement, shall be registered in the respective names of the Sellers, who
     shall be entitled to vote their respective Escrow Shares and who shall be
     the absolute beneficial owners of their respective Escrow Shares until such
     time as they may be delivered to Parent in accordance with this Agreement.
     All cash dividends or distributions of assets declared by Parent with
     respect to the Parent Common Stock shall be payable to the Sellers as if no
     shares had been placed into escrow under this Agreement (subject to
     reduction to reflect the delivery of Escrow Shares to Parent under this
     Agreement).

(b)  All shares of Parent Common Stock relating to Escrow Shares still held by
     the Escrow Agent under this Agreement and resulting from conversion, stock
     dividend, stock split, reclassification, recapitalization or corporate
     reorganization of Parent, shall be issued to and registered in the
     respective names of the Sellers and certificates therefor shall be
     delivered to the Escrow Agent when deliverable to holders of other
     outstanding shares of Parent Common Stock, shall be credited to the
     respective Individual Seller's Accounts of the Sellers and shall constitute
     additional Escrow Shares. In such event, appropriate 

                                      -7-
<PAGE>
 
     adjustment shall be made to the value of the Parent Common Stock as
     determined pursuant to Section 3(a)(i).

Section 5.  Interest in Escrow Shares.  The Sellers severally agree that they
            -------------------------                                        
will not assign or transfer their interest in the Escrow Shares (until released
to them hereunder) and such interest shall be transferable only by operation of
law, unless Parent, in its sole discretion, consents in writing otherwise and
the Seller and any transferee execute such documents as Parent may request.

Section 6.  Power of Attorney in Favor of Parent.  If Parent becomes entitled to
            ------------------------------------                                
have Escrow Shares delivered to it in accordance with this Agreement and the
Seller Representatives fail or refuse to execute any documents necessary to
transfer such Escrow Shares to Parent, then in such event, each Seller hereby
constitutes Parent as such Seller's true and lawful attorney-in-fact with full
power and authority, in the name and on behalf of such Seller, to transfer and
deliver or authorize the delivery to Parent of such Escrow Shares to which
Parent is entitled pursuant to this Agreement and to execute stock powers in
favor of Parent in connection therewith.

Section 7.  Provisions Concerning the Escrow Agent.
            -------------------------------------- 

(a)  The Escrow Agent shall be entitled to reasonable compensation for all
     services rendered and expenses incurred by it in the performance of its
     obligations hereunder.  The Escrow Agent shall be entitled to employ such
     legal counsel and other experts as it may deem necessary to properly advise
     it in connection with its obligations hereunder, and may rely on the advice
     of such counsel, and may pay them reasonable compensation therefor.  The
     Escrow Agent and such legal counsel's and other expert's fees and expenses
     shall be borne by Parent.

(b)  The Escrow Agent shall not be liable for any diminution of value of the
     Escrow Shares.  The Escrow Agent shall have no authority to sell or
     otherwise dispose of or encumber the Escrow Shares except as provided
     herein.

(c)  Notwithstanding any other provisions herein contained, the Escrow Agent may
     at all times act upon and in accordance with the joint written instructions
     of Parent and a Seller Representative.  The Escrow Agent shall not be
     liable for any act done or omitted by it in accordance with such
     instructions or pursuant to the advice of counsel of its selection.

(d)  The duties and responsibilities of the Escrow Agent shall be limited to
     those expressly set forth in this Agreement and instructions given to the
     Escrow Agent pursuant to this Agreement, and the Escrow Agent shall not be
     subject to, nor obligated to recognize, any other agreement between any or
     all of the parties hereto even though reference thereto may be made herein;
     provided, however, with the written consent of the Escrow Agent, this
     --------  -------                                 
     Agreement may be amended at any time by an instrument in writing signed by
     Parent and a Seller Representative. The Escrow Agent shall advise Parent
     and the Seller Representatives from time to time, upon request, as to (i)
     the number of Escrow Shares 

                                      -8-
<PAGE>
 
     represented by certificates held by the Escrow Agent, and (ii) the number
     of Escrow Shares distributed by the Escrow Agent to the Sellers.

(e)  The Escrow Agent shall not be responsible for the sufficiency or accuracy
     of the form, execution, validity or genuineness of documents or securities
     now or hereafter deposited hereunder, or of any endorsement thereof, or for
     any lack of endorsement thereon, or for any description therein, nor shall
     it be responsible or liable in any respect on account of the identity,
     authority or rights of the persons executing or delivering or purporting to
     execute or deliver any such document, security or endorsement of this
     Agreement, and the Escrow Agent shall be fully protected in relying upon
     any written notice, demand, certificate or document which it in good faith
     believes to be genuine.

(f)  The Escrow Agent is authorized, in its sole discretion, to disregard any
     and all notices or instructions given by any of the parties hereto or by
     any other person, firm or corporation, except only such notices or
     instructions as are herein provided for in this Agreement and orders or
     process of any court entered or issued with or without jurisdiction.  If
     any property subject hereto is at any time attached, garnished or levied
     upon under any court order, or in case the payment, assignment, transfer,
     conveyance or delivery of any such property shall be stayed or enjoined by
     any court order, or in case any order, judgment or decree shall be made or
     entered by any court affecting such property or any part thereof, then and
     in any of such events, the Escrow Agent is authorized, in its sole
     discretion, to rely upon and comply with any such order, writ, judgment or
     decree which the Escrow Agent is advised by legal counsel of its own
     choosing is binding upon it; and if the Escrow Agent complies with any such
     order, writ, judgment or decree, it shall not be liable to any of the
     parties hereto or to any other person, firm or corporation by reason of
     such compliance even though such order, writ, judgment or decree may be
     subsequently reversed, modified, annulled, set aside or vacated.

(g)  The Escrow Agent may resign by giving sixty (60) days advance written
     notice to Parent and the Seller Representatives and thereafter shall
     deliver the Escrow Shares to such substitute escrow agent as Parent and the
     Seller Representatives shall jointly direct in writing.  If such direction
     to deliver to a substitute escrow agent is not received by the Escrow Agent
     within sixty (60) days after mailing such notice of resignation, it is
     unconditionally and irrevocably authorized, directed and empowered to file
     an interplea motion and deliver all items held by it to a court of
     competent jurisdiction.

(h)  In consideration of its acceptance of the appointment as the Escrow Agent,
     Parent agrees to indemnify and hold the Escrow Agent harmless as to any
     liability incurred by it to any person, firm or corporation by reason of
     its having accepted the same or in carrying out any of the terms hereof
     (except as such liability may arise out of or be based upon the gross
     negligence or willful misconduct of the Escrow Agent), and to reimburse the
     Escrow Agent for all its reasonable expenses, including, among other
     things, counsel fees and court costs, incurred by reason of its position
     hereunder or actions taken pursuant hereto.

                                      -9-
<PAGE>
 
Section 8.  Notices. All notices, requests, claims, demands and other
            -------                                                  
communications hereunder shall be in writing and shall be given if delivered in
person, by cable, telegram, telex or facsimile (and shall be deemed to have been
duly given on the date of delivery if so given), or by registered or certified
mail (postage prepaid, return receipt requested) (and shall be deemed to have
been duly given the second business day after the date of the postmark if so
given unless sent from inside the United States to a location outside of the
United States, and vice versa, in which case, it shall be deemed to have been
duly given the fifth business day after the date of postmark), or by
internationally recognized delivery service guaranteeing delivery in two
business days or less, with the price of delivery paid by the sender (and shall
be deemed to have been duly given on the date of delivery if so given) to the
respective parties as follows:

     If to Parent:

          Cambridge Technology Partners (Massachusetts), Inc.
          304 Vassar Street
          Cambridge, MA  02139
          Attention:  Chief Financial Officer
          Facsimile:  001-617-374-8507

     With copies to:

               U.S. Counsel
               ------------
          Testa, Hurwitz & Thibeault, LLP
          125 High Street
          High Street Tower
          Boston, Massachusetts 02110  USA
          Attention:  Steven C. Browne
          Facsimile:  001-617-248-7100

               U.K. Counsel
               ------------
          Holman, Fenwick & Willan
          Marlow House
          Lloyds Avenue
          London EC3N 3AL  England
          Attention:  Nicholas Hutton
          Facsimile:  011-44-171-481-0316

     If to any Seller:

          at the address of such Seller set forth in
          Schedule 3 to the Purchase Agreement

                                      -10-
<PAGE>
 
     If to the Seller Representatives:

          Quentin Baer, Ian Clarkson and Malcolm Glyn
          at the addresses of the Seller Representatives
          set forth in Schedule 3 to the Purchase Agreement

     in either case with copies to:

               U.S. Counsel
               ------------
          Reed Smith Shaw & McClay
          2500 One Liberty Place
          1650 Market Street
          Philadelphia, PA  19103-7301  USA
          Attention:  Lori Lasher
          Facsimile:  001-215 851-1420

               U.K. Counsel
               ------------
          Macfarlanes
          10 Norwich Street
          London EC4A 1BD  England
          Attention:  Peter Turnbull and John Dodsworth
          Facsimile:  011-44-171-831-9607

     If the Escrow Agent:

          Mellon Bank, N.A.
          Two Mellon Bank Center
          Room 325
          Pittsburgh, Pennsylvania  15259
          Attention:  Bruce Karhu
          Facsimile:  412-234-9196

or to such other address as any party may have furnished to the others in
writing in accordance herewith, except that notices of changes of address shall
only be effective upon receipt.

Section 9.  Headings.  The descriptive headings in this Agreement have been
            --------                                                       
inserted for convenience only and shall not be deemed to limit or otherwise
affect the construction of any provision hereof.

Section 10.  Entire Agreement; Assignment.  This Agreement, the Purchase
             ----------------------------                               
Agreement, the Purchaser Ancillary Agreements and the Seller Ancillary
Agreements constitute the entire agreement among the parties with respect to the
subject matter hereof and thereof and supersede all other prior agreements and
understandings, both written and oral, among the parties or any of them with
respect to the subject matter hereof and thereof.  This Agreement shall not be
assigned by operation of law or otherwise.

                                      -11-
<PAGE>
 
Section 11.  Parties in Interest.  This Agreement shall be binding upon and
             -------------------                                           
inure solely to the benefit of the parties hereto, and nothing in this
Agreement, express or implied, is intended to confer upon any other person any
rights or remedies of any nature whatsoever under or by reason of this
Agreement.

Section 12.  Validity.  The invalidity or unenforceability of any provision of
             --------                                                         
this Agreement shall not affect the validity or enforceability of any other
provisions of this Agreement, each of which shall remain in full force and
effect, provided that enforcement of such other provisions in the absence of the
invalid or unenforceable provisions does not materially alter the benefit of the
bargain to any party hereto.

Section 13.  Counterparts.  This Agreement may be executed in two or more
             ------------                                                
counterparts, each of which shall be deemed to be an original but all of which
shall constitute one and same Agreement.

Section 14.  Governing Law.  This Agreement shall be governed by and construed
             -------------                                                    
in accordance with the State of Delaware, regardless of the laws that might
otherwise govern under applicable principles of conflicts of laws thereof.

Section 15.  Appointment.  Parent, the Sellers and the Seller Representatives
             -----------                                                     
hereby appoint Mellon Bank, N.A. to act as the Escrow Agent and Mellon Bank,
N.A. accepts such appointment.

Insert Rider Y

IN WITNESS WHEREOF, Parent, the Sellers, the Seller Representatives and the
Escrow Agent (or their duly authorized representatives) have hereunto set their
hands as of the date first written above.

                                      -12-
<PAGE>
 
                          ESCROW AGREEMENT - RIDER Y
                                        


Section 16.  Successor Escrow Agent.  Any corporation, association or other
             ----------------------                                        
entity into which the Escrow Agent may be converted or merged, or with which it
may be consolidated, or to which it may sell or otherwise transfer all or
substantially all of its corporate trust business, or any corporation,
association or other entity resulting from any such merger, conversion,
consolidation, sale or other transfer, shall, ipso facto, be and become
successor Escrow Agent hereunder, vested with all of the powers, discretions,
immunities, privileges and all other matters as was its predecessor, without the
execution or filing of any instrument or any further act on the part or any of
the parties hereto, anything herein to the contrary notwithstanding.



/s/ Malcolm Glyn
- - --------------------------------
Malcolm Glyn (as Attorney)

                                     -13-
<PAGE>
 
                              PARENT:

                              CAMBRIDGE TECHNOLOGY PARTNERS 
                              (MASSACHUSETTS), INC.

                              By:  /s/
                                   ----------------------------------
                              Title:

                              SELLERS:

                              Tom Aldridge  /s/
                                            -------------------------

                              Quentin Baer  /s/
                                            -------------------------

                              FENS LIMITED

                              By:  /s/
                                   ----------------------------------
                              Title:

                              FANMORE INVESTMENTS LIMITED

                              By:  /s/
                                   ----------------------------------
                              Title:

                              ST. HELIER TRUST CO. LIMITED

                              By:  /s/
                                   ----------------------------------
                              Title:

                                     -14-
<PAGE>
 
                              EAGLE PLACE TRUSTEES LIMITED

                              By:  /s/
                                   ----------------------------------
                              Title:


                              Michael Bligh  /s/
                                             ------------------------

                              Jonathan Burton  /s/
                                               ----------------------

                              Charles Cable  /s/
                                             ------------------------

                              Emma Carpenter  /s/
                                              -----------------------

                              Ron Chan  /s/
                                        -----------------------------

                              Stephen Cheetham  /s/
                                                ---------------------

                              Ian Clarkson  /s/
                                            -------------------------

                              ARROW NOMINEES INC.

                              By:  /s/
                                   ----------------------------------
                              Title:

                              Peter Clements  /s/
                                              -----------------------

                              Dereck Clow  /s/
                                           --------------------------

                              Kevin Cornwell  /s/
                                              -----------------------

                              Anthony Court  /s/
                                             ------------------------

                              Renaud Cuignet  /s/
                                              -----------------------

                              Jurgen Deiss  /s/
                                            -------------------------

                              David Delvin  /s/
                                            -------------------------

                              Alois Deubert  /s/
                                             ------------------------

                              Charles Donald  /s/
                                              -----------------------

                              Tim Durston  /s/
                                           --------------------------

                                     -15-
<PAGE>
 
                              JERMYN TRUSTEES (JERSEY) LIMITED

                              By:  /s/
                                   ----------------------------------
                              Title:

                              Stefan Falckenberg  /s/
                                                  -------------------

                              Malcolm Glyn  /s/
                                            -------------------------

                              Hans Grapenthin  /s/
                                               ----------------------

                              Gavin Hall  /s/
                                          ---------------------------

                              Paul Heagren  /s/
                                            -------------------------

                              David Henderson  /s/
                                               ----------------------

                              Marc Henrie  /s/
                                           --------------------------

                              Rupert Hucker  /s/
                                             ------------------------

                              Mark Hughes  /s/
                                           --------------------------

                              Peter Isaac  /s/
                                           --------------------------

                              Wolfram Kurshener  /s/
                                                 --------------------

                              Charles Landry  /s/
                                              -----------------------

                              Daniel Lechanteaux  /s/
                                                  -------------------

                              Piers Lightfoot  /s/
                                               ----------------------

                              Neil Loxley  /s/
                                           --------------------------

                              Stephen Marples  /s/
                                               ----------------------

                              Simon Marshall  /s/
                                              -----------------------

                              Keith Milburn  /s/
                                             ------------------------

                              Peter Mounsey  /s/
                                             ------------------------

                              Ivor Osborne  /s/
                                            -------------------------

                                     -16-
<PAGE>
 
                              PARNIB BELGIE NV

                              By:  /s/
                                   ----------------------------------
                              Title:

                              Sal Puarr  /s/
                                         ----------------------------

                              Richard Raya  /s/
                                            -------------------------

                              Gustavo Rojas  /s/
                                             ------------------------

                                     -17-
<PAGE>
 
                              DARNLEY ASSETS LIMITED

                              By:  /s/
                                   ----------------------------------
                              Title:


                              Marie-Claude Rondot  /s/
                                                   ------------------

                              Gunter Schneider  /s/
                                                ---------------------

                              Alfred Schuller  /s/
                                               ----------------------

                              Bernard Shaw  /s/
                                            -------------------------

                              Jane Smart  /s/
                                          ---------------------------

                              Laura Smith  /s/
                                           --------------------------

                              David Smith  /s/
                                           --------------------------

                              Oliver Staudacher  /s/
                                                 --------------------

                              Sean Stevens  /s/
                                            -------------------------

                              Garry Sutton  /s/
                                            -------------------------

                              Martin Thompson  /s/
                                               ----------------------

                              Sean Tipping  /s/
                                            -------------------------

                              Michael Trenouth  /s/
                                                ---------------------

                              James Trice  /s/
                                           --------------------------

                              Mark Turek  /s/
                                          ---------------------------

                              John Van Daalen  /s/
                                               ----------------------

                              Gerard Van Kemmel  /s/
                                                 --------------------

                              Nick Von Baillou  /s/
                                                ---------------------

                              Dominic Wakefield  /s/
                                                 --------------------

                              Michael Warren  /s/
                                              -----------------------

                                     -18-
<PAGE>
 
                              Alex Watson  /s/
                                           --------------------------

                              Emile Weekers  /s/
                                             ------------------------

                              Andrew Wells  /s/
                                            -------------------------

                              Terence White  /s/
                                             ------------------------

                              Owen Williams  /s/
                                             ------------------------

                              Paul Whysall  /s/
                                            -------------------------

                                     -19-
<PAGE>
 
                              SELLER REPRESENTATIVES


                              Quentin Baer
                              as a Seller Representative
                              /s/

                              Ian Clarkson
                              as a Seller Representative
                              /s/

                              Malcolm Glyn
                              as a Seller Representative
                              /s/

                              MELLON BANK, N.A.
                              As Escrow Agent

                              By:  /s/
                                   ----------------------------------
                              Title:

                                     -20-


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