IMAX CORP
8-K, 1999-09-17
PHOTOGRAPHIC EQUIPMENT & SUPPLIES
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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): September 17, 1999


                               IMAX CORPORATION
            ------------------------------------------------------
            (Exact Name of Registrant as Specified in Its Charter)


                                    CANADA
                            ----------------------
                 (State or Other Jurisdiction of Incorporation)


           0-24216                                      98-0140269
 ----------------------------              -----------------------------------
    (Commission File Number)               (I.R.S. Employer Identification No.)


       2525 Speakman Drive, Sheridan Park, Mississauga, Ontario L5K 1B1
       ----------------------------------------------------------------
       (Address of Principal Executive Offices)              (Zip Code)


                                (905) 403-6500
               --------------------------------------------------
              (Registrant's Telephone Number, Including Area Code)


                                      n/a
       -----------------------------------------------------------------
         (Former Name or Former Address, if Changed Since Last Report)
<PAGE>

                                       2


Item 2.   Acquisition or Distribution of Assets
- -------   -------------------------------------


     Imax Corporation ("Imax") acquired all of the outstanding Ordinary Shares,
"A" Ordinary Shares, "A" Preference Shares and "B" Preference Shares of Digital
Projection International PLC ("DPI") on September 3, 1999. DPI's operations are
based out of Manchester, England and Atlanta, Georgia.

     DPI is a designer and manufacturer of digital image delivery systems.
DPI's systems have been used to project high-quality images at rock concerts,
casinos and trade shows, in business and corporate conferences and for a variety
of other uses including museum displays, electronic billboards and on the sets
of major news networks. Imax intends to use DPI's assets and personnel to
continue DPI's business and for future strategic initiatives between DPI and
Imax.

     Imax paid approximately U.S.$25.5 million in cash to acquire the shares of
DPI, with an additional U.S.$1.5 million in contingent escrow funds subject to a
net asset, balance sheet adjustment.  The purchase price was determined based on
the significant level of historic capital invested in DPI, an evaluation of its
ongoing operations and the value placed upon its technology and intellectual
property.  The shares were acquired from all the former shareholders of DPI.

     The acquisition was financed using working capital.


Item 7.   Exhibits
- -------   --------

 2.1      Share Purchase Agreement

 2.2      Supplemental Share Purchase Agreement

 2.3      List of Schedules and Other Ancillary Attachments
<PAGE>

                                       3

                                   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.


                                IMAX CORPORATION



Date: September 16, 1999              By:    /s/ Richard L. Gelfond
                                             -----------------------------------
                                      Name:  Richard L. Gelfond
                                      Title: Co-Chairman and Co-Chief Executive
                                             Officer
<PAGE>

                                       4

                                 EXHIBIT INDEX



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

2.1                Share Purchase Agreement

2.2                Supplemental Share Purchase Agreement

2.3                List of Schedules and Other Ancillary Attachments

<PAGE>

                                                                     EXHIBIT 2.1


                             Dated August 4, 1999
                             --------------------



                               IMAX CORPORATION,

                        THE VENDORS (AS DEFINED HEREIN)

                                    - and -

                     DIGITAL PROJECTION INTERNATIONAL PLC



                                   AGREEMENT

                         for the sale and purchase of
                          all of the issued shares of
                     Digital Projection International PLC
<PAGE>

THIS AGREEMENT is made on August 4, 1999

AMONG:-

(1)  IMAX CORPORATION, a Canadian corporation (the "Purchaser");

(2)  The persons specified as Vendors on Schedule I hereto (each a "Vendor" and
     collectively, the "Vendors"); and

(3)  DIGITAL PROJECTION INTERNATIONAL PLC, an English company (No. 03280170)
     whose registered office is at Greenside Way, Middleton, Manchester M24 1XX
     (the "Company").


THE PARTIES AGREE AS FOLLOWS:-

1.   INTERPRETATION

1.1  In this agreement the following words and expressions and abbreviations
     have the following meanings, unless the context otherwise requires:-

     "Accounts Date" means December 31, 1998.

     "Bank Agreement" means the Revolving Credit and Guaranty Facility
     Agreement, dated January 10, 1998, between the Company and the British
     Linen Bank Limited.

     "Business Day" means a day (excluding Saturdays) on which banks generally
     are open in London and New York for the transaction of normal banking
     business.

     "Closing Balance Sheet" means the audited consolidated balance sheet
     (including the related notes and schedules thereto) of the Company and the
     Subsidiaries to be prepared pursuant to clause 5.7, and dated as of the
     Completion Date.

     "Company" has the meaning ascribed thereto in the Preamble to this
     agreement.

     "Completion" means the completion of the sale and purchase of the Shares in
     accordance with clause 5.

     "Completion Date" means the date on which Completion occurs.

     "Conditions" means the conditions set out in clause 3.1.

     "Confidential Information" means all information relating to any Group
     Company's business, or financial or other affairs (including future plans
     and targets of any Group Company) which is not publicly known.

     "Disclosure Letter" means the Disclosure Letter from the Principal
     Management Employees to the Purchaser (together with all the documents
     attached to it), signed and first delivered to the Purchaser and the
     Investors within 7 calendar days of the execution of the agreement, as
     supplemented by the Principal Management Employees from time to time
<PAGE>

     prior to Completion.

     "Encumbrance" means any mortgage, charge (fixed or floating), pledge, lien,
     hypothecation, trust, right of set off or other third party right or
     interest (legal or equitable) including any right of pre-emption,
     assignment by way of security, reservation of title or any other security
     interest of any kind however created or arising or any other agreement or
     arrangement (including a sale and repurchase arrangement) having similar
     effect.

     "Escrow Agent" means the escrow agent under the Escrow Agreement.

     "Escrow Agreement" has the meaning specified in clause 5.7(e).

     "Escrow Fund" means the $1.5 million deposited with the Escrow Agent
     pursuant to clause 5.5(a).

     "Executive Officer" means any board-appointed Senior Vice-President,
     Executive Vice-President, Chief Operating Officer, Chief Executive Officer,
     or Chairman of the Purchaser.

     "Group" means the Company and the Subsidiaries and "Group Company" means
     any one of them.

     "Intellectual Property" means (i) United Kingdom, United States,
     international, and foreign patents, patent applications and statutory
     invention registrations, (ii) trademarks, service marks, domain names,
     trade dress, logos, and other source identifiers, including registrations
     and applications for registration thereof, (iii) copyrights, including
     registrations and applications for registration thereof, (iv) computer
     software, data, databases, and related documentation, (v) confidential and
     proprietary information, including trade secrets and know-how, (vi) mask
     works, (vii) utility models and applications therefor, (viii) design
     registrations and applications therefor, and (ix) all other intellectual
     capital for which property rights exist anywhere in the world.

     "Investment Agreement" means the Investment Agreement dated December 19,
     1996 between the Company, the Principal Management Employees (other than
     Michael Levi and Timothy Cronin), 3i plc, 3i Group plc, and Phildrew
     Ventures Fourth Fund, Phildrew Ventures Fourth Fund B and Phildrew Ventures
     Fourth Fund D, as amended by Supplemental Agreements dated June 25, 1997,
     July 1, 1998 and June 29, 1999.

     "Investors" means 3i Group plc and Phildrew Nominees Ltd for Phildrew
     Ventures Fourth Fund, Phildrew Ventures Fourth Fund B, Phildrew Ventures
     Fourth Fund C and Phildrew Venture Fourth Fund D.

     "Investor's Shares" means, in the case of each Investor, those Shares set
     forth on Schedule I opposite the name of such Investor which, in each case,
     are designated thereon as being owned by such Investor.

     "Key Employees" means the key employees in each department and division of
     the Company, in the reasonable opinion of the Principal Management
     Employees, including without limitation Graham Moss, Paul Doran and Brian
     Eckersley.
<PAGE>

     "Knowledge" means actual knowledge of the specified person, or knowledge of
     the specified person that would have resulted from reasonable due inquiry
     of all Principal Management Employees and of the Key Employees.

     "Licensed Intellectual Property" shall mean (i) all licenses of
     Intellectual Property and Software licensed to the Company by any third
     party, and (ii) licenses of Intellectual Property and Software granted by
     the Company to any third party, including the Supply Agreement.

     "Licensed Rights" means Intellectual Property licensed to the Company under
     the Licensed Intellectual Property.

     "Material Adverse Effect" means any circumstances, change in, or effect on
     the business, the Company or any Subsidiary that, individually or in the
     aggregate with any other circumstances, changes in, or effects on, the
     business, the Company or any Subsidiary: (i) is, or could be, materially
     adverse to the business, operations, prospects, results of operations or
     the condition (financial or otherwise) of the Group taken as a whole, or
     (ii) could materially adversely affect the ability of the Purchaser or the
     Group to operate or conduct the business in the manner in which it is
     currently operated or conducted by the Group.

     "Net Trading Balance" means net assets, including  cash, as indicated on
     the Reference Balance Sheet or Closing Balance Sheet, as the case may be.
     The basis of the calculation of the Net Trading Balance on the Closing
     Balance Sheet shall be consistent with the basis of calculation thereof on
     the Reference Balance Sheet.

     "Owned Intellectual Property" shall mean all Intellectual Property and
     Software owned by each Group Company.

     "Permit" means a permit, licence, consent, approval, certificate,
     qualification, specification, registration and other authorisation and a
     filing of a notification report or assessment necessary in any jurisdiction
     for the proper and efficient operation of each Group Company's business,
     its ownership, possession, occupation or use of an asset or the execution
     and performance of this agreement.

     "Principal Management Employees" means Brian Critchley, Michael Blackburn,
     David Green, Dermot Quinn, Michael Levi and Timothy Cronin.

     "Properties" means the leasehold or freehold properties or any part or
     parts thereof owned or occupied by the Group and "Property" shall mean any
     one of them.

     "Purchaser's Auditors" means PricewaterhouseCoopers.

     "Purchaser's Solicitors" means Shearman & Sterling, 199 Bishopsgate, London
     EC2M 3TY.

     "Reference Balance Sheet" means the forecast unaudited consolidated balance
     sheet of the Company and the Subsidiaries, as of August 31, 1999,
     previously delivered to the Purchaser and attached hereto as Exhibit 1.
     The Reference Balance Sheet has been prepared in accordance with the
     assumptions set forth therein, which assumptions, in the reasonable opinion
     of the Principal Management Employees, are consistent with the law and
     applicable
<PAGE>

     standards, principles and accounting practices generally accepted in the
     United Kingdom ("U.K. GAAP") as consistently and historically applied by
     the Company in the preparation of its financial statements.

     "Shares" means all of the shares listed in Schedule 1.

     "Software" shall mean all computer software (i) used by the Company which
     is material to the operation of the business of the Company, or (ii)
     manufactured, distributed, sold, licensed or marketed by each Group
     Company.

     "Subsidiary" means a subsidiary undertaking of the Company specified in
     schedule 2 and "Subsidiaries" means all those subsidiary undertakings.

     "Supply Agreement" means that certain Supply and Intellectual Property
     Agreement, effective June 4, 1996, by and between Digital Projection
     Limited and TI.

     "TA" means the Income and Corporation Taxes Act 1988.

     "TI" means Texas Instruments Incorporated.

     "Transaction Documents" shall have the meaning set forth in clause 13.

     "Vendor" and "Vendors" has the meaning ascribed thereto in the Preamble to
     this agreement.

     "Vendors' Auditors" means Deloitte & Touche.

     "Vendors' Solicitors" means Garretts, Bank House, 9 Charlotte Street,
     Manchester M1 4EU.

     "Warranties" means the warranties set out in schedule 3.

1.2  In this agreement unless otherwise specified, reference to:-

     (a)  a "subsidiary undertaking" is to be construed in accordance with
          section 258 of the Companies Act 1985 and a "subsidiary" or "holding
          company" is to be construed in accordance with section 736 of that
          Act;

     (b)  a document in the "agreed terms" is a reference to that document in
          the form approved and for the purposes of identification signed by or
          on behalf of each party;

     (c)  "FA" followed by a stated year means the Finance Act of that year;

     (d)  "includes" and "including" shall mean including without limitation;

     (e)  a "party" means a party to this agreement and includes its assignees
          (if any) and/or the successors in title to substantially the whole of
          its undertaking and, in the case of an individual, to his or her
          estate and personal representatives;

     (f)  a "person" includes any person, individual, company, firm,
          corporation, partnership,
<PAGE>

          government, state or agency of a state or any undertaking (whether or
          not having separate legal personality and irrespective of the
          jurisdiction in or under the law of which it was incorporated or
          exists);

     (g)  a "statute" or "statutory instrument" or "accounting standard" or any
          of their provisions is to be construed as a reference to that statute
          or statutory instrument or accounting standard or such provision as
          the same may have been amended or re-enacted before the date of this
          agreement;

     (h)  "clauses", "paragraphs" or "schedules" are to clauses and paragraphs
          of and schedules to this agreement;

     (i)  "writing" includes any methods of representing words in a legible form
          other than writing on an electronic or visual display screen or in
          other non-transitory form;

     (j)  words denoting the singular shall include the plural and vice versa
          and words denoting any gender shall include all genders;

     (l)  "$" means United States dollars; and

     (m)  "pounds" means British pounds.

1.3  The schedules and exhibits form part of the operative provisions of this
     agreement and references to this agreement shall, unless the context
     otherwise requires, include references to the schedules.

1.4  The index to and the headings and the descriptive notes in brackets
     relating to provisions of taxation statutes in this agreement are for
     information only and are to be ignored in construing the same.

1.5  The agreements and obligations contained in this agreement on the part of
     the Investors shall be several only, and none of the Investors shall have
     any liability or be under any obligation in respect of any breach or non-
     observance of any of the agreements and obligations contained in this
     agreement (including but not limited to the warranties set forth in clause
     6.3 hereto and the obligations set forth in clauses 4.6 and 4.7) other than
     in respect of such Investor's own breaches or acts of non-observance.

2.   SALE AND PURCHASE

2.1  Upon the terms and subject to the conditions of this agreement, the Vendors
     as legal and beneficial owners and with full title guarantee shall sell the
     Shares listed opposite their name on Schedule 1 hereto and the Purchaser
     shall purchase the Shares with effect from Completion free from any
     Encumbrance together with all accrued benefits and rights attached thereto,
     including without limitation all accrued dividends and all rights to
     dividends, if any, in respect of the Shares.

2.2  Each of the Vendors and the Company will waive upon Completion any rights
     or restrictions conferred upon it which may exist in relation to the Shares
     under the articles of association of the Company, the Investment Agreement
     or otherwise.
<PAGE>

2.3  The Purchaser shall not be obliged to complete the purchase of any of the
     Shares unless the Vendors complete the sale of all of the Shares
     simultaneously, but completion of the purchase of some Shares shall not
     affect the Purchaser with respect to its rights to the other Shares.

2.4  The consideration for such sale and purchase shall be $26,945,750 (the
     "Purchase Price") to be satisfied in cash on Completion in accordance with
     clause 5.5.

3.   CONDITIONS

3.1  Completion is conditional upon the fulfilment of each of the Conditions as
     follows:-

     (a)  The Purchaser shall have received an opinion from Garretts, the
          Company's solicitors, in relation to the issued share capital of the
          Company substantially in the form attached hereto as Exhibit 6;

     (b)  The Purchaser shall have participated in discussions with TI and
          shall, in the opinion of the Purchaser, be satisfied that each Group
          Company and TI will have a satisfactory business relationship
          following the Completion. Furthermore, TI shall confirm in terms which
          are satisfactory to the Purchaser that the Company may provide the
          Purchaser with full access from and after the fifteenth day following
          the date hereof to all TI=s Intellectual Property in the possession
          of, or under the control of, any Group Company;

     (c)  Each of the Principal Management Employees of the Company shall have
          executed and delivered service agreements in each case, substantially
          in the form of Exhibit 2 conformed in each case as per the employee
          term sheet and notes attached as Exhibit 3;

     (d)  The Board of Directors of the Purchaser shall have adopted a
          resolution approving the terms of this agreement and duly authorising
          the Purchaser to perform its obligations under this agreement and to
          take such further actions as are reasonably necessary to consummate
          the transactions contemplated by this agreement;

     (e)  The Purchaser shall have completed all its business, legal, accounting
          and other due diligence with respect to the Group and shall, in its
          sole judgment, be satisfied with the results thereof;

     (f)  No event or events shall have occurred, or be reasonably likely to
          occur, which, individually or in the aggregate, have, or could have, a
          Material Adverse Effect;

     (g)  The Purchaser, the Vendors and each Group Company shall have received,
          each in a form reasonably satisfactory to the Purchaser, all
          authorisations, consents, orders and approvals of all governmental or
          regulatory authorities and all third party consents which the
          Purchaser deems necessary or desirable for the consummation of the
          transactions contemplated by this agreement;

     (h)  Brenda Blaxtan shall have delivered transfers in common form relating
          to all of the Shares owned by her in favour of the Purchaser (or as it
          may direct) and the share certificates relating to such Shares; and
<PAGE>

     (i)  All warrants, options (other than options granted under the Digital
          Projection Share Option Scheme), convertible securities or other
          rights, agreements, arrangements or commitments of any character
          relating to the share capital of any Group Company, or obligating any
          Vendor or any Group Company to issue or sell any shares, or any other
          interest in any Group Company (except, in each case, pursuant to this
          agreement) shall have been terminated or otherwise cancelled and shall
          be of no force or effect immediately prior to Completion.

3.2  The Purchaser may, in its sole discretion, by notice in writing to the
     Vendors and the Company waive any of the Conditions in whole or in part.

3.3  Each of the Principal Management Employees and the Company undertakes to
     use all reasonable endeavours to procure the fulfilment of the Conditions
     set out in paragraphs (c), (g), (h) and (i) of clause 3.1 and to consummate
     the transactions contemplated by this agreement, and the Principal
     Management Employees shall use reasonable endeavours to assist and
     facilitate the Purchaser in connection with clause 3.1(b).

3.4  If all of the Conditions (save for those compliance with which has been
     waived in accordance with the terms of this agreement) have not been
     fulfilled on or before September 3, 1999, this agreement shall terminate in
     accordance with clause 3.5 with effect from that date.

3.5  If this agreement terminates in accordance with clause 3.4 then the
     obligations of the parties shall automatically terminate save that the
     rights and liabilities of the parties which have accrued prior to
     termination under clauses 4.6 to 4.12 (inclusive), 9, 10 and 13 to 20
     (inclusive) shall continue to subsist.

3.6  The Principal Management Employees and the Company shall keep the Purchaser
     advised of any Material Adverse Effect of which they become aware and the
     progress towards the satisfaction of their obligations under clause 3.3,
     and the Purchaser shall keep the Vendors and the Company advised of the
     progress towards the satisfaction of the conditions under clause 3.3.

3.7  The Purchaser shall deliver to the Principal Management Employees and
     Investors within 7 days after the meeting with TI currently scheduled to be
     held on August 2, 1999 a letter setting forth the Purchaser's view of the
     likely business relationship between TI and the Company post-Completion and
     whether the Purchaser knows if such view will have an impact on the
     valuation of the Group.

3.8  The Vendors shall procure that the Company shall be re-registered as a
     private limited company prior to Completion.

4.   PERIOD TO COMPLETION

4.1  The Principal Management Employees and the Company undertake with the
     Purchaser to procure that each Group Company shall operate its business and
     activities in their usual course, and comply with each of the undertakings
     set out in schedule 7.

4.2  Pending Completion, the Principal Management Employees will use all
     reasonable endeavours to procure that (a) the Purchaser and any person
     authorised by it shall be given
<PAGE>

     full access to the Properties and to all the books and records of each
     Group Company (including without limitation, all books and records and
     other documentation or information whatsoever regarding each Group
     Company's Intellectual Property, subject to obtaining consents of third
     parties where appropriate, as well as all books and records and other
     documentation or information whatsoever regarding any other company's
     Intellectual Property which is in the possession of, or under the control
     of, any Group Company, subject to obtaining consents of third parties where
     appropriate), provided that prior to Completion, the Principal Management
     Employees shall not be obliged to disclose any board minutes or other
     documents containing information relating to proposals received from third
     parties in connection with a sale of the Shares or any substantial part of
     the business or assets of the Group, and (b) the directors and employees
     and auditors and other advisers of each Group Company shall be instructed
     to give promptly all such information and explanations as the Purchaser or
     any such person may reasonably request.

4.3  If, prior to Completion:-

     (a)  any of the Principal Management Employees is in breach of any of the
          Warranties or any of the Investors is in breach of the warranties set
          forth in clause 6.3 hereof; or

     (b)  there shall occur any act or event which upon Completion would or
          might reasonably be expected to result in a breach of any of the
          Warranties or any of the warranties set forth in clause 6.3 were they
          repeated immediately prior to Completion; or

     (c)  there is any breach or non-fulfilment by any of the Vendors of their
          undertakings or obligations hereunder which in any such case is, in
          the opinion of the Purchaser, incapable of remedy or, if capable of
          remedy, is not remedied by such Vendor by the Completion Date or (if
          earlier) within seven days after notice thereof from the Purchaser
          requiring the same to be remedied;

     then in any such case the Purchaser shall be entitled to elect by notice in
     writing to the Vendors not to complete the purchase of the Shares, in which
     event this agreement shall automatically terminate save that the rights and
     liabilities of the parties which have accrued prior to termination under
     clauses 4.6 to 4.12 (inclusive), 9, 10 and 13 to 20 (inclusive) shall
     continue to subsist.  Without restricting the rights of the Purchaser or
     the ability of the Purchaser to enforce any other legal rights or remedies
     available to it, the Vendors expressly acknowledge that the Purchaser shall
     be entitled to receive specific performance of the terms of this agreement
     upon the fulfilment or waiver of the Conditions.

4.4  Each of the Principal Management Employees and the Company undertakes to
     the Purchaser that it will disclose forthwith in writing to the Purchaser
     any matter or thing which becomes known to it after the date hereof which
     is, in the reasonable opinion of the Principal Management Employees,
     inconsistent with any of the Warranties or which is material to the
     business of any Group Company. Any such disclosures made prior to
     Completion shall be deemed to be valid and proper disclosures against the
     Warranties and shall have the effect of qualifying the Warranties.

4.5  Promptly following the date hereof, the Board of Directors of the Company
     shall adopt a resolution approving the terms of this agreement and duly
     authorising the Company to perform its obligations under this agreement and
     to take such further actions as are reasonably necessary to consummate the
     transactions contemplated by this agreement.
<PAGE>

4.6  Each of the Investors undertakes and agrees on their own behalf only that
     between the date of this agreement and the earlier of:-

          (i)   Completion;

          (ii)  the termination of this agreement; and

          (iii) 3/rd/ September 1999

     it will not:-

     (a)  solicit, initiate or accept any offer from any person relating to the
          acquisition or purchase of all or any of the Shares owned by that
          Investor;

     (b)  participate in any negotiations with any Person (other than the
          Purchaser, its officers and employees and advisors) in connection with
          a sale of the Shares held by that Investor; and

     (c)  take any affirmative action to require the directors of the Company to
          bring about a sale by the Company of all or substantially all of its
          assets and undertaking (such sale being referred to in this clause 4
          as an "Asset Sale").

4.7  Each Investor shall immediately (a) cease any existing discussions,
     conversations and negotiations to which they are a party with respect to
     any proposed sale or disposal of any of the Shares or an Asset Sale; and
     (b) each of the Investors shall instruct their own respective advisors to
     terminate all such existing discussions, conversations and negotiations to
     which they are a party with respect to any proposed sale or disposal of any
     of the Shares or an Asset Sale.

4.8  If following a breach of any of the provisions of clauses 4.6 or 4.7 by any
     Investor (in this clause a "Breaching Investor") (i) a sale of any of the
     Shares owned by that Investor; or (ii) an Asset Sale, occurs, in either
     case, prior to 3rd June 2000, then the Purchaser shall have the right to
     either (i) require all of the Breaching Investors to pay the Purchaser in
     ------
     complete satisfaction of the Breaching Investor's liability under clause
     4.6 or 4.7 an aggregate sum of $2.5 million, liability for such payment to
     be divided equally between each Breaching Investor, or (ii) claim damages
                                                         --
     against the Breaching Investor on any basis available at law to the
     Purchaser for such Investor's breach of clause 4.6 or 4.7 including,
     without limitation, a claim to receive a payment from the Breaching
     Investor in an amount necessary to put the Purchaser into the position
     which would have existed if clauses 4.6 or 4.7 had not been breached,
     together with all costs and expenses incurred by the Purchaser as a result
     of such breach together with all costs and expenses incurred by the
     Purchaser.

4.9  Following the discharge by any Investor of its obligations under clause
     4.8, the Investors' liability under this agreement and the Transaction
     Documents shall cease and determine.

4.10 For the avoidance of doubt the provisions in clauses 4.6 through 4.8
     (inclusive) shall not survive Completion.

4.11 If there is an affirmative statement to any Investor or Principal
     Management Employee by an
<PAGE>

     Executive Officer of the Purchaser, or on behalf of any such an Executive
     Officer, that the Purchaser will not proceed to Completion at a price of
     $26,945,750 then notwithstanding any other provision of this agreement to
     the contrary, the provisions of clauses 4.6 to 4.9 (inclusive) shall
     immediately cease and determine and the Investors shall have no further
     liability pursuant to those clauses.

4.12 (i)   Each of the Vendors (other than the Investors and Digital Projection
           Trustee Limited) severally undertake and agree that between the date
           of this agreement and the earlier of (i) the Completion and (ii) the
           termination of this agreement he will not (a) solicit or initiate any
           other proposals or accept offers from any person relating to any
           acquisition or purchase of all or any portion of the shares of the
           Company (other than pursuant to the DPI Stock Option Plan) or the
           shares of any Subsidiary or all or any material portion of the assets
           of the Group (taken as a whole) or (b) actively, on his own behalf or
           on behalf of any Group Company, participate in any discussions,
           conversations or negotiations regarding, or furnish to any other
           person any information with the intention of assisting such person to
           seek to do, any of the foregoing. Each of the Vendors (other than the
           Investors and Digital Projection Trustee Limited) shall immediately
           cease and cause the Company's financial advisers to be instructed to
           cease all existing discussions, conversations or negotiations
           conducted heretofore with respect to any of the foregoing.

     (ii)  Unless prohibited by contract, law or other regulation, each of the
           Vendors (other than the Investors and Digital Projection Trustee
           Limited) shall notify the Purchaser promptly upon any such proposal
           or offer with respect thereto being made to him and, unless so
           prohibited shall set out in such notice in reasonable detail the
           identity of such person and the terms and conditions of such proposal
           or offer. Each of the Vendors (other than the Investors and Digital
           Projection Trustee Limited) agrees not, without the prior written
           consent of the Purchaser, to release any person from, or waive any
           provision of, any standstill agreement to which he, the Company or
           any Subsidiary is a party.

     (iii) Following a breach by any of the Vendors (other than the Investors
           and Digital Projection Trustee Limited) of any of the provisions of
           clauses 4.12(i) or 4.12(ii), if:

           a) a sale of any of the Shares of that Vendor; or

           b) an Asset Sale,

           occurs in either case prior to 3rd June 2000, then the Purchaser
           shall have the right to either a) require the breaching Vendor to pay
           the Purchaser in complete satisfaction of the breaching Vendor's
           liability under clause 4.12(i) or 4.12(ii), the sum set opposite such
           breaching Vendor's name below:

           Brian Critchley    (Pounds) 50,000
           Timothy Cronin     (Pounds) 25,000
           Mike Levi          (Pounds) 25,000
           Mike Blackburn     (Pounds) 25,000
           Dermot Quinn       (Pounds) 25,000
           David Green        (Pounds) 25,000
           Richard Raworth    (Pounds) 25,000
<PAGE>

          or,

          b) claim damages against the breaching Vendor on any basis available
          at law to the Purchaser for such Vendor's breach of clauses 4.12(i) or
          4.12(ii) including, without limitation, a claim to receive a payment
          from the breaching Vendor in an amount necessary to put the Purchaser
          into the position which would have existed if clauses 4.12(i) or
          4.12(ii) had not been breached, together with all costs and expenses
          incurred by the Purchaser as a result of such breach; provided,
          however, that none of the Vendors shall be liable for more than  the
          sum set opposite such breaching Vendor's name below:

          Brian Critchley  (Pounds) 50,000
          Timothy Cronin   (Pounds) 25,000
          Mike Levi        (Pounds) 25,000
          Mike Blackburn   (Pounds) 25,000
          Dermot Quinn     (Pounds) 25,000
          David Green      (Pounds) 25,000
          Richard Raworth  (Pounds) 25,000

          Nothing contained in this clause shall prevent any of the Vendors from
          discussing, communicating or negotiating such matters with the
          Purchaser or the Purchaser's advisors.

4.13 Following the discharge by any Principal Management Employee of its
     obligations under clause 4.12, such Principal Management Employee's
     liability under this agreement and the Transaction Documents shall cease
     and determine.

4.14 For the avoidance of doubt the provisions in clause 4.12 shall not survive
     Completion.


5.   COMPLETION

5.1  Completion shall take place at the offices of the Purchaser's Solicitors on
     the earlier of (i) the second Business Day following the date when all of
     the Conditions shall have been fulfilled or waived, and (ii) September 3,
     1999.

5.2  On Completion the Principal Management Employees and/or each Group Company,
     insofar as it is within their power to do, shall deliver to or, if the
     Purchaser shall so agree, make available to the Purchaser:-

     (a)  transfers in common form relating to all the Shares duly executed in
          favour of the Purchaser (or as it may direct) and share certificates
          relating to the Shares;

     (b)  [deliberately left blank];

     (c)  waivers and releases, in each case duly executed in the agreed form to
          discharge the Company's obligations under or pursuant to (i) the
          Investment Agreement, (ii) the Bank Agreement, (iii) any option, right
          or warrant or other instrument convertible into or exchangeable for
          share capital of the Company, including without limitation
<PAGE>

     those held by the Principal Management Employees, and (iv) any other
     waivers or consents by the Principal Management Employees or by any Group
     Company or other persons which the Purchaser has specified prior to
     Completion so as to enable the Purchaser or its nominees to be registered
     as the holders of the Shares free of any Encumbrance;

(d)  resignations in the form to be agreed duly executed as deeds of all the
     directors and the secretary of any Group Company (other than Brian
     Critchley) from their offices as director or secretary of, and their
     employment with, any Group Company;

(e)  confirmations executed as deeds of all the Principal Management Employees
     confirming that they do not have, and will not have, any claims (whether
     statutory, contractual or otherwise) against any Group Company at or
     following the Completion, including without limitation, confirmation
     executed as deeds of all the directors and Principal Management Employees
     and the secretary of each Group Company confirming that they have no claims
     (whether statutory, contractual or otherwise) against any Group Company for
     compensation for loss of office or termination of employment or for unpaid
     remuneration or otherwise together with delivery to the Purchaser of all
     property of any Group Company in their possession or under their control;

(f)  service agreements duly executed as deeds, in each case, between the
     Company and the Principal Management Employees in the agreed terms;

(g)  the written resignations of the auditors of each Group Company containing
     an acknowledgment that they have no claim against any Group Company for
     compensation for loss of office, except for professional fees accrued up to
     the date of Completion or otherwise and a statement under section 394(1) of
     the Companies Act 1985; or written confirmation from the auditors of each
     Group Company confirming that were they to resign at Completion they would
     have no claim against any Group Company for compensation for loss of
     office, professional fees (except for professional fees accrued up to the
     date of Completion) or otherwise and a statement of any matters they
     believe should be brought to the attention of the members or creditors of
     any Group Company, or if they consider that there are no such matters a
     statement that there are none;

(h)  the common seals, certificates of incorporation and statutory books, share
     certificate books and cheque books of each Group Company;

(i)  to the extent not in the possession or under the control of any Group
     Company, all books of account or references as to customers and/or
     suppliers and other records and all insurance policies in any way relating
     to or concerning the businesses of any Group Company;

(j)  to the extent not in the possession or under the control of any Group
     Company, all licences, consents, permits and authorisations obtained by or
     issued to any Group Company or any other person in connection with the
     business carried on by any of them and such contracts, deeds or other
     documents (including assignments of any such licences) as shall have been
     required by the Purchaser's Solicitors prior to the date hereof;
<PAGE>

     (k)  share certificates relating to all of the issued shares in the capital
          of each of the Subsidiaries;

     (l)  a release in the terms to be agreed duly executed as a deed, in a form
          satisfactory to the Purchaser, releasing each Group Company and their
          respective officers and employees from any liability whatsoever
          (actual or contingent) which may be owing to any Vendor by any Group
          Company except in the ordinary course of trade; and

     (m)  such other documents, consents or waivers as the Purchaser may
          reasonably request.

5.2A On Completion, the Investors shall deliver to the Purchaser or make
     available to the Purchaser:

     (a)  transfers in common form relating to their respective Investor Shares
          duly executed in favour of the Purchaser (or as it may direct) and the
          share certificates relating to those Shares;

     (b)  confirmations executed as deeds by the Investors confirming that they
          do not have any claims (whether statutory, contractual or otherwise)
          against any Group Company at Completion;

     (c)  a release in the terms to be agreed duly executed as a deed releasing
          each Group Company and their respective officers and employees from
          any liability whatsoever (whether actual or contingent) which may be
          owing to any Investor by any Group Company except in the ordinary
          course of trade other than for any claims against Principal Management
          Employees which may arise pursuant to the terms of the Joint
          Instruction Letter dated as of the date hereof to be issued from the
          Vendors to the Vendor's Solicitors and the agreement (known as the
          Escrow Fund Letter) among the Vendors dated as of the date hereof;

     (d)  waivers and releases from each Investor, in each case duly executed in
          terms to be agreed to discharge the Company's obligations under or
          pursuant to (i) any option, right or warrant or other instrument
          convertible into or exchangeable for share capital of the Company in
          favour of that Investor; and

     (e)  any other waivers or consents by the Investors which the Purchaser
          reasonably requires of such Investor at Completion so as to enable the
          Purchaser or its nominees to be registered as the holders of Shares
          held by that Investor free of any Encumbrance.

5.2B Phildrew Ventures Fourth Fund shall on Completion deliver to the Purchaser
     the resignation in terms to be agreed duly executed as a deed of Mr.
     Christopher Tennant as a director of the Company.

5.3  At or prior to Completion the Principal Management Employees shall procure
     the passing of board resolutions of the Company or each Group Company, as
     applicable:-

     (a)  sanctioning for registration (subject where necessary to due stamping)
          the transfers in respect of the Shares;
<PAGE>

     (b)  appointing those individuals identified by the Purchaser no later than
          two days prior to Completion to be the directors and secretary of each
          Group Company; and

     (c)  resolving that the Company and the Principal Management Employees
          enter into service agreements in the agreed terms.

5.4  The Principal Management Employees, the Investors and the Company shall, as
     the case may be, procure that at Completion:-

     (a)  there is repaid all sums (if any) owing to any Group Company by any
          such person or by the directors of any Group Company or any of their
          connected persons and whether or not such sums are due for repayment;
          and

     (b)  each Group Company is released from any guarantee, indemnity, bond,
          letter of comfort or Encumbrance or other similar obligation given or
          incurred by it which relates in whole or in part to debts or other
          liabilities or obligations, whether actual or contingent, of any
          person other than a Group Company.

5.5  Upon Completion the Purchaser shall (a) transfer to the Escrow Agent $1.5
     million (such amount being the "Escrow Fund") of the Purchase Price
     referred to in clause 2.4, and (b) transfer to an account designated in
     writing by the Vendors the remainder of the Purchase Price referred to in
     clause 2.4, which transfers, in each case, shall be by wire transfer in
     immediately available funds to the account designated therefor in the
     Escrow Agreement. The Purchase Price and the monies released to the Vendors
     from the Escrow Fund shall be allocated amongst the Vendors in accordance
     with the terms of the agreement (known as the Escrow Fund Letter) of even
     date herewith between the Vendors.

5.6  If in any respect the obligations of the Vendors or the Company are not
     complied with on Completion the Purchaser may:-

     (a)  defer Completion to a date not more than 28 days after September 3,
          1999 (and so that the provisions of this clause 5, apart from this
          clause 5.6(a), shall apply to Completion as so deferred);

     (b)  proceed to Completion so far as practicable (without prejudice to its
          rights hereunder); or

     (c)  terminate this agreement without prejudice to the rights and
          liabilities which accrued prior to termination under clauses 4.6 to
          4.12 (inclusive), 9, 10 and 13 to 20 (inclusive), which shall continue
          to subsist

     by means of a notice to that effect in writing served on the Vendors and
     the Company.

5.7  (a)  Within 180 calendar days following the Completion Date, the Purchaser
          shall procure that the Closing Balance Sheet is prepared on a basis
          consistent with the preparation of the Reference Balance Sheet (it
          being acknowledged that the Reference Balance Sheet was prepared as of
          31 August 1999) and deliver to the Vendors the Closing Balance Sheet,
          together with a report thereon of the Purchaser's Auditors stating
          that the Closing Balance Sheet fairly presents the consolidated Net
<PAGE>

          Trading Balance of the Company and its Subsidiaries at the Completion
          Date and was prepared on a basis consistent with the preparation of
          the Reference Balance Sheet.

     (b)  (i)   Subject to clause (ii) of this clause 5.7(b), the Closing
                Balance Sheet delivered by the Purchaser to the Vendors shall be
                deemed to be and shall be final, binding and conclusive on the
                parties hereto.

          (ii)  The Vendors may dispute any amounts reflected on the Closing
                Balance Sheet, but only on the basis that the amounts reflected
                on the Closing Balance Sheet were not arrived at in accordance
                with the preparation of the Reference Balance Sheet; provided,
                                                                     --------
                however, that the Vendors shall have notified the Purchaser and
                -------
                the Purchaser's Auditors in writing of each disputed item,
                specifying the amount thereof in dispute and setting forth, in
                reasonable detail, the basis for such dispute, within twenty
                Business Days of the Purchaser's delivery of the Closing Balance
                Sheet to the Vendors. In the event of such a dispute, the
                Vendors' Auditors and the Purchaser's Auditors shall attempt to
                reconcile their differences, and any resolution by them as to
                any disputed amounts shall be final, binding and conclusive on
                the parties hereto. If any such resolution by the Purchaser's
                Auditors and the Vendors' Auditors leaves in dispute amounts the
                net effect of which in the aggregate would not affect the Net
                Trading Balance reflected on the Closing Balance Sheet by more
                than, 5,000, all such amounts remaining in dispute shall then be
                deemed to have been resolved in favor of the Closing Balance
                Sheet delivered by the Purchaser to the Vendors.

          (iii) If the Vendors' Auditors and the Purchaser's Auditors are unable
                to reach a resolution with such effect within twenty Business
                Days after receipt by the Purchaser and the Purchaser's Auditors
                of the Vendors' written notice of dispute, the Vendors' Auditors
                and the Purchaser's Auditors shall submit the items remaining in
                dispute for resolution to KPMG (or, if such firm shall decline
                to act or is not, at the time of such submission, independent of
                the Vendors, the Company and the Purchaser, to another
                independent accounting firm of international reputation mutually
                acceptable to the Purchaser and the Vendors, or in the absence
                of agreement appointed on the application of the Purchaser or
                the Vendors, by the President for the time being of the
                Institute of Chartered Accountants) (either KPMG or such other
                accounting firm being referred to herein as the "Independent
                Accounting Firm"), which shall, within thirty Business Days
                after such submission, determine and report to the Purchaser and
                the Vendors upon such remaining disputed items, and such report
                shall be final, binding and conclusive on the Vendors and the
                Purchaser. The fees and disbursements of the Independent
                Accounting Firm shall be allocated between the Vendors and the
                Purchaser in the same proportion that the aggregate amount of
                such remaining disputed items so submitted to the Independent
                Accounting Firm that is unsuccessfully disputed by each such
                party (as finally determined by the Independent Accounting Firm)
                bears to the total amount of such remaining disputed items so
                submitted.

          (iv)  In acting under this agreement, the Purchaser's Auditors, the
                Vendors'
<PAGE>

               Auditors and the Independent Accounting Firm shall be
               entitled to the privileges and immunities of arbitrators.

     (c)  The Closing Balance Sheet shall be deemed final for the purposes of
          this clause 5.7 upon the earliest of (i) the failure of the Vendors to
          notify the Purchaser of a dispute within ten Business Days of the
          Purchaser's delivery of the Closing Balance Sheet to the Vendors, (ii)
          the resolution of all disputes, pursuant to clause 5.7(b)(ii), by the
          Purchaser's Auditors and the Vendors' Auditors and (iii) the
          resolution of all disputes, pursuant to clause 5.7(b)(iii), by the
          Independent Accounting Firm.  Within three Business Days of the
          Closing Balance Sheet being deemed final, a payment adjustment shall
          be made as follows:

          (i)  in the event that the Net Trading Balance reflected on the
               Reference Balance Sheet exceeds the Net Trading Balance reflected
               on the Closing Balance Sheet (the amount of such excess being the
               "Net Trading Balance Shortfall"), then the Purchaser, the
               Investors and the Principal Management Employees shall jointly
               issue a notice to the Escrow Agent signed by (A) an authorized
               signatory of the Purchaser, (B) Brian Critchley, or failing him,
               Timothy Cronin, on behalf of the Principal Management Employees
               and (C) any authorized signatory of 3i Group plc, on behalf of
               the Investors, instructing the Escrow Agent to pay to the Vendors
               from the Escrow Fund an amount equal to (A) $1.5 million, less
               (B) an amount equal to the Net Trading Balance Shortfall, and
               following such payment to the Vendors, to pay the remainder of
               the Escrow Fund to the Purchaser, and the Escrow Agent shall,
               within three Business Days of its receipt of such notice and in
               accordance with the terms of the Escrow Agreement, duly pay such
               amounts to the Vendors and the Purchaser, respectively, out of
               the Escrow Fund by wire transfer in immediately available funds.
               In the event that the Escrow Fund is insufficient to cover the
               amount of such Net Trading Balance Shortfall, then the Escrow
               Agent shall distribute the entire Escrow Fund to the Purchaser as
               provided above and none of the Vendors shall have any further
               liability to the Purchaser in respect thereof; and

          (ii) in the event that the Net Trading Balance reflected on the
               Closing Balance Sheet equals or exceeds the Net Trading Balance
               reflected on the Reference Balance Sheet, then the Purchaser, the
               Investors and the Principal Management Employees shall jointly
               issue notice to the Escrow Agent signed by (A) an authorized
               signatory of the Purchaser, (B) Brian Critchley, or failing him,
               Timothy Cronin, on behalf of the Principal Management Employees
               and (C) any authorized signatory of 3i Group plc, on behalf of
               the Investors, instructing the  Escrow Agent to pay the entire
               Escrow Fund to the Vendors; and the Escrow Agent shall, within
               three Business Days of its receipt of such notice and in
               accordance with the terms of the Escrow Agreement, duly pay such
               amount to the Vendors out of the Escrow Fund by wire transfer in
               immediately available funds.

     (d)  Subsequent to receipt of the Closing Balance Sheet, the Purchaser
          shall allow the Vendors and their respective advisors reasonable
          access to the books, records, accounts and personnel of the Company
          and each Group Company for the purposes of verifying the Closing
          Balance Sheet and the basis on which it was prepared until
<PAGE>

          final resolution of any dispute regarding the Closing Balance Sheet.

     (e)  The Vendors and the Purchaser shall enter into an Escrow Agreement
          with the Escrow Agent substantially in the form attached hereto as
          Exhibit 4 (the "Escrow Agreement").  In accordance with the terms of
          the Escrow Agreement, the Purchaser shall deposit the Escrow Fund into
          an account to be managed and paid out by the Escrow Agent in
          accordance with the terms of the Escrow Agreement.

6.   WARRANTIES

6.1  (a)  Upon execution of this agreement, each of the Principal Management
          Employees severally warrants to the Purchaser in the terms of the
          Warranties save as disclosed in the Disclosure Letter. The Warranties
          shall be deemed to have been repeated immediately prior to Completion
          by reference to the facts and circumstances then subsisting save as
          disclosed in the Disclosure Letter. The Warranties and the warranties
          in clause 6.3 shall survive Completion for a period of one year.

     (b)  Save in the case of fraud or fraudulent concealment by any of the
          Principal Management Employees, no Principal Management Employee shall
          be liable in respect of a claim under the Warranties unless written
          notice of such claim setting out reasonable details of the relevant
          claim is served upon the Principal Management Employee or Principal
          Management Employees, as the case may be, by not later than 5.00 p.m.
          on the first anniversary of the Completion Date, and the liability of
          any of such Principal Management Employee shall cease and determine
          (if such claim has not previously been satisfied, settled or
          withdrawn) if legal proceedings in respect of such a claim have not
          been commenced within 6 months of the service of such notice.

6.2  Each of the Warranties shall be construed as a separate warranty, and
     (unless expressly provided to the contrary and as provided in clause 6.1
     and schedule 5) shall not be limited by the terms of any of the other
     Warranties or by any other term of this agreement.

6.3  Investors' Warranties.

     (a)  Each Investor hereby warrants in respect of its Shares only that:

          (i)   it is the only legal and beneficial owner of, and upon
                Completion will transfer to the Purchaser full title to, their
                respective Investor Shares, and their respective Investor Shares
                are fully paid, and their respective Investor Shares will be
                transferred to the Purchaser pursuant to this agreement without
                any Encumbrance;

          (ii)  it has full power and legal capacity to enter into and perform
                this agreement and has obtained all applicable corporate
                authorisations and all other applicable governmental, statutory,
                regulatory or other consents, licences, waivers or exemptions
                required to empower, permit and enable it to enter into and to
                perform its obligations under this agreement and each document
                to be executed by it at or before Completion;

          (iii) this agreement, when executed, will constitute a valid and
                binding obligation
<PAGE>

               of each Investor, enforceable in accordance with its terms; and

          (iv) as at the Completion Date, subject to any disclosure fairly given
               with respect to any matter that comes to the attention of the
               Investors after the date hereof, no person has claimed to be
               entitled to an Encumbrance in relation to any of the Investor
               Shares and, other than this agreement, no Investor is under any
               obligation (whether actual or contingent) to sell, charge or
               otherwise dispose of any of the Investor Shares or any interest
               therein to any person.

     (b)  Save in the case of fraud or fraudulent concealment, the aggregate
          liability of the Investors in respect of all substantiated claims
          under the warranties in clause 6.3 shall not in any circumstances
          exceed $26,945,750. For the purposes of this clause 6.3(b),
          "substantiated" shall have the meaning ascribed thereto in clause
          6.4(b). The Investors shall be severally liable and shall only be
          liable for breach of the warranties in clause 6.3 after Completion
          only. Save in the case of fraud or fraudulent concealment by any
          Investor, no Investor shall be liable in respect of a claim under the
          warranties contained in this clause 6.3 unless written notice of such
          claim setting out reasonable details of the relevant claim is served
          upon the Investor or Investors, as the case may be, by not later than
          5:00 p.m. on the first anniversary of the Completion Date, and the
          liability of any of such Investors shall cease and determine (if such
          claim has not previously been satisfied, settled or withdrawn) if
          legal proceedings in respect of such a claim have not been commenced
          within 6 months of the service of such notice.

6.4  Principal Management Employees' Warranties

     (a)  Save in the case of fraud or fraudulent concealment, Principal
          Management Employees shall not be liable in respect of a claim under
          any Warranty other than a claim under clauses 1, 2, 3, 6.1, 6.2, 6.3,
          8.3, 13 or 15 of the Warranties; provided however that, in determining
          the liability of any Principal Management Employee in respect of a
          claim under any of clauses 1, 2, 3, 6.1, 6.2, 6.3, 8.3, 13 or 15 of
          the Warranties, each Principal Management Employee shall be deemed to
          have given the Warranties under clauses 1, 2, 3, 6.1, 6.2, 6.3, 8.3,
          13 and 15 to the best of his Knowledge.

     (b)  Save in the case of fraud or fraudulent concealment, the aggregate
          liability of any individual Principal Management Employee in respect
          of all substantiated claims under the Warranties shall not in any
          circumstances exceed the sum of the advance incentive or reward
          bonuses described in paragraphs 3 and 4 on Exhibit 5 attached hereto,
          whether paid in cash or equity, paid to such individual Principal
          Management Employee by the Purchaser and net of income taxes paid by
          or refunded to such Principal Management Employee; provided, however,
                                                             --------  -------
          any individual Principal Management Employee shall not be responsible
          to pay such aggregate liability to the Purchaser in cash. In the
          preceding sentence "substantiated" means a claim for which any such
          Principal Management Employee is liable (whether on its own, as a
          contributory or otherwise), and which is admitted, settled without
          admission of liability, or proved or determined in a court of
          competent jurisdiction.

     (c)  The liability of each Principal Management Employee under clauses 6.1
          and 6.4,
<PAGE>

          respectively, shall be limited by the provisions set out in clause 6.1
          and schedule 5. References in schedule 5 to the Warranties shall be
          deemed to include reference to clauses 6.1 and 6.4, as applicable.

6.5  The Purchaser will, at Completion, confirm that it has no knowledge of any
     matter which breaches or could, with the lapse of time, breach the
     Warranties.

6.6  Pending Completion, the Principal Management Employees shall give to the
     Purchaser all such information and documentation known to them relating to
     the Group and which is material to the business of the Group in the
     reasonable opinion of the Principal Management Employees.

7.   CONFIDENTIAL INFORMATION

7.1  Each Vendor and the Company shall not, and shall procure that none of its
     directors, officers or employees or advisers or agents shall use or
     disclose to any person Confidential Information.

7.2  Clause 7.1 does not apply to:-

     (a)  disclosure of Confidential Information to or at the written request of
          the Purchaser;

     (b)  use or disclosure of Confidential Information required to be disclosed
          by law or the rules of any stock exchange or other regulatory body;

     (c)  disclosure of Confidential Information to professional advisers for
          the purpose of advising the Vendors;

     (d)  Confidential Information which becomes generally known other than by
          the Vendors' or the Company's breach of clause 7.1; or

     (e)  disclosure of Confidential Information in the ordinary and proper
          conduct of the business of the Company.

8.   [Deliberately left blank]

9.   ANNOUNCEMENTS

9.1  No party shall disclose the making of this agreement nor its terms nor any
     other agreement referred to in this agreement (except those matters set out
     in a press release in the agreed terms) without the prior consent of the
     other parties (which consent shall be deemed to have been given by the
     Vendors and the Company if given by the Investors; provided however that
     (i) 3i Group plc or the Purchaser may make such disclosures as are required
     by law or the rules of the any stock exchange or other regulatory body, in
     which case such disclosure shall then only be made after 3i Group plc or
     the Purchaser, as the case may be, has taken reasonable steps in the
     circumstances to agree to the contents of such announcement with each
     other, and (ii), subject to first consulting with Brian Critchley, the
     Purchaser may make such disclosure to, and participate in meetings
     concerning this agreement with, certain customers and suppliers of the
     Company, including without limitation, TI. The restrictions contained in
     this clause 9.1 shall apply for 12 months following the Completion Date.
<PAGE>

10.  COSTS

     Unless expressly otherwise provided in this agreement the Vendors and the
     Purchaser shall bear its own legal, accountancy and other costs, charges
     and expenses connected with the sale and purchase of the Shares.  The
     Company shall not bear any costs in connection with the sale and purchase
     of the Shares, except for such costs which are expressly approved in
     writing by the Purchaser and the Investors.

11.  EFFECT OF COMPLETION

11.1 The terms of this agreement (insofar as not performed at Completion and
     subject as specifically otherwise provided in this agreement) shall
     continue in force after and notwithstanding Completion.

12.  FURTHER ASSURANCES

12.1 Following Completion the Vendors shall from time to time forthwith upon
     request from the Purchaser at the Vendors' expense do or procure the doing
     of all acts and/or execute or procure the execution of all such documents
     which it can reasonably be expected to do in a form reasonably satisfactory
     to the Purchaser for the purpose of vesting in the Purchaser the full legal
     and beneficial title to the Shares.

13.  ENTIRE AGREEMENT

13.1 (a)  Each of the Vendors, the Company and the Purchaser acknowledges, and
          agrees with the other, that this agreement together with any other
          documents referred to in this agreement (together the "Transaction
          Documents") constitutes the entire and only agreement between the
          Vendors, the Company and the Purchaser relating to the subject matter
          of the Transaction Documents;

     (b)  Each of the Purchaser, the Vendors and the Company acknowledges and
          agrees that it has not been induced to enter into any Transaction
          Document in reliance upon, nor has it been given, any warranty,
          representation, statement, assurance, covenant, agreement,
          undertaking, indemnity or commitment of any nature whatsoever other
          than as are expressly set out in the Transaction Documents and, to the
          extent that it has been, it unconditionally and irrevocably waives any
          claims, rights or remedies which it might otherwise have had in
          relation thereto.

14.  VARIATIONS

     This agreement may be varied only by a document signed by each of the
     Vendors, the Company and the Purchaser.

15.  WAIVER

15.1 A waiver of any term, provision or condition of, or consent granted under,
     this agreement shall be effective only if given in writing and signed by
     the waiving or consenting party and then only in the instance and for the
     purpose for which it is given.
<PAGE>

15.2 No failure or delay on the part of any party in exercising any right, power
     or privilege under this agreement shall operate as a waiver thereof, nor
     shall any single or partial exercise of any such right, power or privilege
     preclude any other or further exercise thereof or the exercise of any other
     right, power or privilege.

15.3 No breach of any provision of this agreement shall be waived or discharged
     except with the express written consent of each of the Vendors, the Company
     and the Purchaser.

15.4 The rights and remedies herein provided are cumulative with and not
     exclusive of any rights or remedies provided by law.

16.  INVALIDITY

16.1 If any provision of this agreement is or becomes invalid, illegal or
     unenforceable in any respect under the law of any jurisdiction:-

     (a)  the validity, legality and enforceability under the law of that
          jurisdiction of any other provision; and

     (b)  the validity, legality and enforceability under the law of any other
          jurisdiction of that or any other provision,

     shall not be affected or impaired in any way.

17.  NOTICES

17.1 Any notice, demand or other communication given or made under or in
     connection with the matters contemplated by this agreement shall be in
     writing and shall be delivered personally or by courier or by email or sent
     by fax or prepaid first class post (air mail if posted to or from a place
     outside the United Kingdom):-

     In the case of the Purchaser to:-
     Imax Corporation
     2525 Speakman Drive
     Mississauga
     Ontario
     Canada
     Fax: 905-403-6468
     Attention: Legal Department

     with a copy to:
     Imax Corporation
     110 East 59/th/ Street, Suite 2100
     New York, NY, 10022
     United States
     Attn: Senior Vice President,
             Legal Affairs and General Counsel
<PAGE>

     Shearman & Sterling
     199 Bishopsgate
     London EC2M 3TY
     Fax: 0171-920-9020
     Attention: Stephen Kenyon-Slade
     email: [email protected]

     In the case of 3i Group plc:-

     Carlton House
     18 Albert Square
     Manchester
     M2 5PE
     Fax: 0161-833-9182
     Attention:  Catherine Tooher
     email: [email protected]

     with a copy to:

     Addleshaw Booth & Co
     100 Barbirolli Square
     Manchester
     M2 3AB
     Fax: 0161-934-6060
     Attention: Geoff Yates
     email: [email protected]


     In the case of Phildrew Nominees
     Ltd. and its associates:-
     14 Finsbury Square
     London
     EC2A 1PD
     Fax: 0171-638-2817
     Attention: Chris Tennant
     email: [email protected]

     with a copy to:

     Addleshaw Booth & Co
     100 Barbirolli Square
     Manchester
     M2 3AB
     Fax: 0161-934-6060
     Attention: Geoff Yates
     email: [email protected]

     In the case of the Principal
     Management Employees:-
     To each such Principal Employee at
     the address set out in Schedule 1
<PAGE>

          In the case of the Company to:-
          Digital Projection International PLC
          Greenside Way
          Middleton
          Manchester
          M24 1XX
          Fax: 0161-947-3300
          Attention: Brian Critchley

          and shall be deemed to have been duly given or made as follows:-

          (a)  if personally delivered or delivered by courier or by email, upon
               delivery at the address of the relevant party;

          (b)  if sent by first class post, seven Business Days after the date
               of posting;

          (c)  if sent by air mail, five Business Days after the date of
               posting; and

          (d)  if sent by fax, when despatched;

          provided that if, in accordance with the above provisions, any such
          notice, demand or other communication would otherwise be deemed to be
          given or made outside 9.00 a.m. - 5.00 p.m. on a Business Day such
          notice, demand or other communication shall be deemed to be given or
          made at 9.00 a.m. on the next Business Day.

   17.2   A party may notify the other party to this agreement of a change to
          its name, relevant addressee, address or fax number for the purposes
          of clause 17.1 provided that such notification shall only be effective
          on:-

          (a)  the date specified in the notification as the date on which the
               change is to take place; or

(2)  if no date is specified or the date specified is less than five Business
     Days after the date on which notice is given, the date falling five
     Business Days after notice of any such change has been given.

18.  COUNTERPARTS

     This agreement may be executed in any number of counterparts which together
     shall constitute one agreement.  Any party may enter into this agreement by
     executing a counterpart and this agreement shall not take effect until it
     has been executed by all parties.

19.  GOVERNING LAW AND JURISDICTION

19.1 This agreement (and any dispute, controversy, proceedings or claim of
     whatever nature arising out of or in any way relating to this agreement or
     its formation) shall be governed by and construed in accordance with
     English law.

19.2 Without prejudice to any other permitted mode of service the parties agree
     that service of any
<PAGE>

     writ, notice or other document ("Documents") for the purpose of any
     Proceedings begun in England shall be duly served upon it if delivered
     personally or sent by registered post, in the case of:-

     (a)  any Vendor to such Vendor at its address as set forth on Schedule I
          (marked for the attention of the Vendor to whom the Documents are
          being delivered); and

     (b)  the Purchaser to Imax Corporation, 2525 Speakman Drive, Mississauga,
          Ontario, Canada  (marked for the attention the Legal Department); and

     (c)  the Company to Digital Projection International PLC, Greenside Way,
          Middleton, Manchester, M24 1XX (marked for the attention of the
          Managing Director)

     or such other person and address in England and/or Wales as any Vendor
     shall notify the Purchaser in writing or vice versa from time to time.

20.  ASSIGNMENT

     This agreement may not be assigned by operation of law or otherwise without
     the express written consent of the parties to this agreement; provided
     however that the Purchaser may assign this agreement (i) to a direct or
     indirect wholly owned subsidiary of the Purchaser without the consent of
     any other party to this agreement, or (ii) pursuant to any acquisition,
     merger or business combination of all or substantially all the assets or
     shares of the Purchaser or any of its subsidiaries or holding companies.

21.  TERMINATION OF INVESTMENT AGREEMENT

21.1 Upon Completion:

     21.1.1  the Investment Agreement shall be deemed to terminate by mutual
             consent on Completion when it shall cease to have any force or
             effect;

     21.1.2  each of the Vendors, 3i plc, Phildrew Nominees Limited and the
             Company will be deemed to have released each of the other parties
             to the Investment Agreement who are bound by its terms and
             conditions from all and any claims and rights which he/it has or
             may have against any of the other parties to the Investment
             Agreement, arising out of or in connection with the Investment
             Agreement or the termination thereof howsoever and whenever
             arising.
<PAGE>

IN WITNESS  whereof this agreement has been executed on the date first above
written.

 Signed by                                  )
 for and on behalf of                       )
 IMAX CORPORATION
 in the presence of :-

 Signed by                                  )
 for and on behalf of                       )
 DIGITAL PROJECTION TRUSTEE LIMITED         )
 in the presence of:-

 Signed by                                  )
 for and on behalf of                       )
 3i GROUP PLC                               )
 in the presence of:-

 Signed by                                  )
 for and on behalf of                       )
 CANVEN (C.I.) LIMITED AS MANAGING          )
 GENERAL PARTNER FOR PHILDREW VENTURES      )
 FOURTH FUND                                )
 in the presence of:-

 Signed by                                  )
 for and on behalf of                       )
 CANVEN (C.I.) LIMITED AS MANAGING          )
 GENERAL PARTNER FOR PHILDREW VENTURES      )
 FOURTH FUND B                              )
 in the presence of:-

 Signed by                                  )
 for and on behalf of                       )
 CANVEN (C.I.) LIMITED AS MANAGING          )
 GENERAL PARTNER FOR PHILDREW VENTURES      )
 FOURTH FUND C                              )
 in the presence of:-
<PAGE>

Signed by                                  )
for and on behalf of                       )
CANVEN (C.I.) LIMITED AS MANAGING          )
GENERAL PARTNER FOR PHILDREW VENTURES      )
FOURTH FUND D                              )
in the presence of:-

Signed by                                  )
for and on behalf of                       )
PHILDREW NOMINEES LIMITED                  )
in the presence of:-

Signed by                                  )
for and on behalf of                       )
RICHARD RAWORTH                            )
in the presence of:-

Signed by                                  )
for and on behalf of                       )
BRIAN CRITCHLEY                            )
in the presence of:-

Signed by                                  )
for and on behalf of                       )
MICHAEL BLACKBURN                          )
in the presence of:-

Signed by                                  )
for and on behalf of                       )
DAVID GREEN                                )
in the presence of:-

Signed by                                  )
for and on behalf of                       )
DERMOT QUINN                               )
in the presence of:-

Signed by                                  )
for and on behalf of                       )
MICHAEL LEVI                               )
in the presence of:-
<PAGE>

Signed by                                  )
for and on behalf of                       )
TIMOTHY CRONIN                             )
in the presence of:-
<PAGE>

                                  SCHEDULE 3
                                The Warranties

For the purpose of this schedule 3 "Company" means Digital Projection
International, PLC and includes the Subsidiaries, all of them and each of them
as the context admits.

In this Schedule 3 the following words have the following meanings, unless the
context otherwise requires:

"Accounts" means the audited financial statements of each Group Company,
comprising the balance sheet of the Company, the consolidated balance sheet,
profit and loss account and cash flow statement of the Group and the balance
sheet, profit and loss account and cash flow statements of each of the
Subsidiaries, together in each case with the notes thereon, directors' report
and auditors' certificate, as at and for the financial period ended on the
Accounts Date;

"ERA" means the Employment Rights Act 1996;

"L&T Covenants Act" means the Landlord and Tenant (Covenants) Act 1995;

"Leases" means the leases specified in the Disclosure Letter;

"Substantial Customer" means a customer accounting for more than five per cent.
the Group's sales in the financial year ended on the Accounts Date, as well any
person who is reasonably expected to become such a customer in the 12 months
following the date hereof;

"Substantial Supplier" means a supplier accounting for more than five per cent.
of the Group's purchases in the financial year ended on the Accounts Date, as
well as any person who is reasonably expected to become such a customer in the
12 months following the date hereof;

"Transfer Regulations" means the Transfer of Undertakings (Protection of
Employment) Regulations 1981;

"TULR(C)A" means the Trade Union and Labour Relations (Consolidation) Act 1992;

1.   VENDORS' AND THE COMPANY'S CAPACITY

     Each Principal Management Employee and the Company has full power and legal
     capacity to enter into and perform this agreement.  Each Principal
     Management Employee and the Company has obtained all applicable corporate
     authorisations and all other applicable governmental, statutory, regulatory
     or other consents, licences, waivers or exemptions required to empower,
     permit and enable it to enter into and to perform its obligations under
     this agreement and each document to be executed by it at or before
     Completion.

2.   THE COMPANY, THE SHARES AND THE SUBSIDIARIES

2.1  Incorporation and Existence

     Except for Digital Projection Inc., a Delaware corporation, the Company and
     each of the Subsidiaries are limited companies incorporated under English
     law and have been in continuous existence since incorporation.  Digital
     Projection Inc. is a wholly owned
<PAGE>

     subsidiary of the Company and is duly incorporated, validly existing and in
     good standing under the laws of the State of Delaware, and is duly licensed
     or qualified to do business and is in good standing in each jurisdiction in
     which the properties leased by it or the operation of its business makes
     such licensing or qualification necessary.

2.2  The Shares

     (a)  The Shares are all the issued shares in the capital of the Company.
          Each of the Principal Management Employees warrants he is the only
          legal and beneficial owner of the Shares set out opposite his name in
          Schedule 1 hereto.

     (b)  The Company has not allotted any shares other than the Shares and the
          Shares are fully paid or credited as fully paid.

     (c)  Except as set forth on the Disclosure Letter, there is no Encumbrance
          in relation to any of the Shares or unissued shares in the capital of
          the Company. No person has claimed to be entitled to an Encumbrance in
          relation to any of the Shares and, other than this agreement, no
          Vendor is under any obligation (whether actual or contingent) to sell,
          charge or otherwise dispose of any of the Shares or any interest
          therein to any person.

     (d)  Except as set forth on Schedule 1 hereto, other than this agreement,
          there is no agreement, arrangement or obligation requiring the
          creation, allotment, issue, sale, transfer, redemption or repayment
          of, or the grant to a person of the right (conditional or not) to
          require the allotment, issue, sale, transfer, redemption or repayment
          of, a share in the capital of the Company (including an option or
          right of pre-emption or conversion).

2.3  The Subsidiaries

     (a)  The Company does not have any subsidiary undertakings other than the
          Subsidiaries. Each of the Subsidiaries is a wholly owned subsidiary of
          the Company and each of the shares of each such company has been
          properly allotted and issued and is fully paid or credited as fully
          paid.

     (b)  There is no Encumbrance in relation to any of the shares or unissued
          shares in the capital of any of the Subsidiaries. No person has
          claimed to be entitled to an Encumbrance in relation to any of the
          shares of any of the Subsidiaries and no Group Company is under any
          obligation (whether actual or contingent) to sell, charge or otherwise
          dispose of any shares in any of the Subsidiaries or any interest
          therein to any person.

     (c)  Other than this agreement, there is no agreement, arrangement or
          obligation requiring the creation, allotment, issue, sale, transfer,
          redemption or repayment of, or the grant to a person of the right
          (conditional or not) to require the allotment, issue, sale, transfer,
          redemption or repayment of, a share in the capital of any of the
          Subsidiaries (including an option or right of pre-emption or
          conversion).

     (d)  The Company does not own any shares or stock in the capital of nor
          does it have any beneficial or other interest in any company or
          business organisation other than the
<PAGE>

          Subsidiaries nor does the Company control or take part in the
          management of any other company or business organisation.

3.   ACCOUNTS

3.1  General

     (a)  The Accounts show a true and fair view of the:-

          (i)  assets, liabilities, financial position and state of affairs at
               the Accounts Date; and

          (ii) the profits and losses for the financial year ended on the
               Accounts Date

          of the Company and of the Group to the extent that they are
          consolidated accounts.

     (b)  The Accounts have been prepared in accordance with the books of
          account and other financial records of the Company, and have been
          prepared and audited in accordance with the standards, principles and
          practices specified on the face of the Accounts applied on a
          consistent basis and subject thereto in accordance with the law and
          applicable standards, principles and practices generally accepted in
          the United Kingdom consistently applied.

     (c)  Since the Company's incorporation the Accounts have been prepared on a
          basis consistent with the basis upon which all audited accounts of the
          Company have been prepared.

3.2  Liabilities

     The Accounts make proper provision or reserve for or disclose all
     liabilities (including all contingent or deferred liability to Tax) of the
     Company whether actual, contingent or otherwise.

3.3  Extraordinary and Exceptional Items

     The results shown by the audited profit and loss account of the Company and
     the consolidated audited profit and loss accounts of the Group for each of
     the two financial years of the Company and the Group ended on the Accounts
     Date have not (except as disclosed in those accounts) been affected by an
     extraordinary, exceptional or non recurring item or by any other matter
     making the profits or losses for a period covered by any of those accounts
     unusually high or low.

3.4  Off Balance Sheet Financing

     No member of the Group is engaged in any financing (including the incurring
     of any borrowing or any indebtedness in the nature of acceptances or
     acceptance credits) of a type which would not be required to be shown or
     reflected in the Accounts.

3.5  Accounting and Other Records

     (a)  The books of account and all other records of the Company (including
          any which it
<PAGE>

          may be obliged to produce under any contract now in force) are up-to-
          date, in its possession and are true and complete in all material
          respects in accordance with the law and applicable standards,
          principles and practices generally accepted in the United Kingdom.

     (b)  All deeds and documents (properly stamped where stamping is necessary
          for enforcement thereof) belonging to the Company are in the
          possession of or under control of the Company.

3.6  Accounting Reference Date

     The accounting reference date of the Company under section 224 of the
     Companies Act 1985 is, and during the last two years has always been,
     December 31.

3.7  Projections

     Copies of (i) projections of the consolidated profit and loss statement,
     balance sheet and statement of cash flows for each of the financial years
     ended as of December 31, 1999, December 31, 2000 and December 31, 2001
     prepared by senior management of the Company (the "Projections") and (ii)
     the assumptions and supplemental data used in preparing the Projections
     (collectively, the "Supplemental Data") have been delivered by the Company
     to the Purchaser.  The Projections were prepared on the basis of the
     Supplemental Data which represent in the reasonable opinion of the
     Principal Management Employees a reasonable basis for such preparation.
     The Projections reflect the best currently available estimates in the
     judgment of the Principal Management Employees as to the expected future
     financial performance of the Company and the Subsidiaries.

3.8  Receivables and Payables

     Except to the extent, if any, reserved for on the Reference Balance Sheet,
     all receivables and payables reflected on the Reference Balance Sheet arose
     from, and the receivables and payables existing on the Completion Date will
     have arisen in the ordinary course of the business consistent with past
     practice.  The Principal Management Employees have no Knowledge of any
     reason why all receivables reflected on the Reference Balance Sheet
     (subject to the reserve for bad debts, if any, reflected on the Reference
     Balance Sheet) are not capable of collection without resort to litigation
     or extraordinary collection activity, within 90 days of the Completion
     Date.


4.   CHANGES SINCE THE ACCOUNTS DATE

4.1  General

     Since the Accounts Date:-

     (a)  the Company has not, other than in the ordinary course of trading:-

          (i)  disposed of, or agreed to dispose of, an asset; or

          (ii) assumed or incurred, or agreed to assume or incur, a liability,
               obligation or
<PAGE>

               expense (actual or contingent) except in the ordinary course of
               its business,

          and in the case of a disposal or agreement to dispose of an asset for
          an amount which is lower than book value or an open market arm=s
          length value, whichever is the higher;

     (b)  the Principal Management Employees have no Knowledge of the occurrence
          of an event which would have a Material Adverse Effect in the
          financial or trading position of the Company; and

     (c)  there has been no material reduction in the value of those fixed
          assets specified in the Accounts, to the extent still owned by the
          Company.

4.2  Specific

     Since the Accounts Date:-

     (a)  the Company has not, other than in the ordinary course of trading:-

          (i)  disposed of, or agreed to dispose of, an asset; or

          (ii) assumed or incurred, or agreed to assume or incur, a liability,
               obligation or expense (actual or contingent) other than in the
               ordinary course of business;

          and in the case of a disposal or agreement to dispose of an asset for
          an amount which is lower than book value or an open market arm's
          length value, whichever is the higher;

     (b)  the Company has not acquired or agreed to acquire an asset for an
          amount which is higher than open market arm's length value;

     (c)  the Company has not made, or agreed to make, capital expenditure
          except in the ordinary course of business;

     (d)  no Substantial Supplier or Substantial Customer has ceased or
          substantially reduced its trade with the Company or has altered the
          terms of trade to the Company's disadvantage;

     (e)  the Company has not declared, paid or made a dividend or other
          distribution (including a distribution within the meaning of the TA)
          except to the extent provided in the Accounts;

     (f)  no resolution of the shareholders of the Company has been passed
          (except for those representing the ordinary business of an annual
          general meeting);

     (g)  the Company has not repaid or redeemed share or loan capital, or made
          (whether or not subject to conditions) an agreement or arrangement or
          undertaken an obligation to do any of those things;

     (h)  the Company has not repaid any sum in the nature of borrowings in
          advance of any
<PAGE>

          due date or made any loan or incurred any indebtedness
          except in the ordinary course of business (including in each case
          inter group); and

     (i)  the Company has not paid nor is under an obligation to pay any
          service, management or similar charges or any interest or amount in
          the nature of interest to any other person or incurred any liability
          to make such a payment or made any such payment to any Vendor
          whatsoever.

5.   ASSETS

5.1  Title and Condition

     (a)  There is no Encumbrance, nor has the Company agreed to create any
          Encumbrance, over any part of its undertaking or assets and each asset
          used by the Company (tangible or intangible) is:-

          (i)  legally and beneficially owned by the Company; and

          (ii) where capable of possession, in the possession of the Company.

     (b)  The Company owns, or has the right to use, each asset (tangible or
          intangible) which in the opinion of the Principal Management Employees
          is reasonably necessary for the operation of its business as currently
          conducted and without limitation no rights (other than rights as
          shareholders in the Company) relating to the business of the Company
          are owned or otherwise enjoyed by or on behalf of any Vendor.

     (c)  All plant, machinery, vehicles and equipment owned or used by the
          Company are in reasonable condition and working order and have been
          regularly and properly maintained where appropriate.

6.   INTELLECTUAL PROPERTY

6.1  General; Ownership

     (a)  To the Knowledge of the Principal Management Employees, the Disclosure
          Letter sets forth a true and complete list of, and/or the Purchaser
          has been provided access to, all (i) patents and patent applications,
          registered trademarks and trademark applications, registered
          copyrights and copyright applications, Software and other Intellectual
          Property, in each case owned by the Company and material to the
          business of the Company, (ii) Licensed Intellectual Property and (iii)
          the Licensed Rights.

     (b)  To the Knowledge of the Principal Management Employees, the operation
          of the business of the Company, including the manufacture of current
          products of the Company and products under development by the Company
          and the rendering of services currently rendered or under development
          by the Company, and the use of the Owned Intellectual Property or
          Licensed Rights in connection therewith, do not infringe any
          Intellectual Property rights of any third party, and no allegation has
          been made and no claim is pending or threatened asserting that the
          operation of such business, or such use of the Owned Intellectual
          Property or Licensed Rights does or
<PAGE>

          may infringe the Intellectual Property rights of any third party.

     (c)  To the Knowledge of the Principal Management Employees, the Company is
          the exclusive owner of the entire and unencumbered right, title and
          interest in and to the Owned Intellectual Property, and is entitled to
          use the Owned Intellectual Property and Licensed Rights in the
          ordinary course of the business of the Company as presently conducted,
          including in the manufacture of current products of the Company and
          products under development by the Company and the rendering of
          services currently rendered or under development by the Company. To
          the Knowledge of the Principal Management Employees, no impediment
          exists to the Company's continued and future use of the Owned
          Intellectual Property and Licensed Rights in the ordinary course of
          its business.

     (d)  To the Knowledge of the Principal Management Employees, the Owned
          Intellectual Property and the Licensed Rights include all of the
          Intellectual Property used or intended to be used in, or in the
          opinion of the Principal Management Employees necessary to, the
          conduct of the business of the Company as carried on at the date of
          this agreement. To the Knowledge of the Principal Management
          Employees, the Owned Intellectual Property and the Licensed Rights are
          subsisting and enforceable, and the Company has received no notice
          that any of such rights have been adjudged invalid or unenforceable in
          whole or part.

     (e)  To the Knowledge of the Principal Management Employees, no legal
          proceedings have been asserted, are pending, or threatened against the
          Company (i) based upon or challenging or seeking to deny or restrict
          the use or unencumbered ownership by the Company of any of the Owned
          Intellectual Property or Licensed Rights, or (ii) alleging that the
          Licensed Intellectual Property or Licensed Rights is being used,
          licensed or sublicensed in conflict with the terms of any license or
          other agreement.

     (f)  To the Knowledge of the Principal Management Employees, no person is
          engaging in any activity that infringes the Owned Intellectual
          Property, Licensed Rights or Licensed Intellectual Property.

     (g)  To the Knowledge of the Principal Management Employees, no prohibition
          or material restriction exists to the Company's exportation of the
          Owned Intellectual Property, the Licensed Rights and Licensed
          Intellectual Property and products made in accordance therewith
          outside the United States and United Kingdom and importation of the
          Owned Intellectual Property and Licensed Intellectual Property and
          products made in accordance therewith into any country in which the
          products are now sold or licensed for use or presently are
          contemplated to be sold or licensed for use.

6.2  Texas Instruments Supply Agreement

     (a)  Except as set forth in the Disclosure Schedule, to the Knowledge of
          the Principal Management Employees, the Company has not granted any
          license or other right to any third party, including to TI under the
          Supply Agreement, with respect to the Owned Intellectual Property,
          Licensed Rights or Licensed Intellectual Property. To the Knowledge of
          the Principal Management Employees, the consummation of the
          transactions contemplated by this agreement will not result in the
          termination or
<PAGE>

          impairment of any of the Licensed Rights or Owned Intellectual
          Property.

     (b)  To the Knowledge of the Principal Management Employees, the
          manufacture of current products of the Company and products under
          development by the Company and the rendering of services currently
          rendered or under development by the Company does not incorporate
          proprietary information of TI.

     (c)  To the Knowledge of the Principal Management Employees, no Group
          Company:

          (i)    has used any proprietary information of TI other than for the
                 allowable purposes contained in the Supply Agreement;

          (ii)   has included any proprietary information of TI in any
                 application for patent, utility model or design protection
                 filed by it or on its behalf;

          (iii)  has made any invention derived in whole or in part from
                 proprietary information of TI;

          (iv)   has or should have notified TI, under the terms of the Supply
                 Agreement, of any invention made by it but derived in whole or
                 in part from proprietary information of TI;

          (v)    has received or otherwise is aware of any claim of TI under the
                 Supply Agreement of the right to license any invention made by
                 any Group Company but purportedly derived in whole or in part
                 from proprietary information of TI;

          (vi)   is aware of any right of TI under the Supply Agreement to
                 license any invention made to date by any Group Company or to
                 enjoin manufacture, use, importation, offering for sale, or
                 sale of any product made in accordance with any such invention.

6.3  Licensed Intellectual Property

     (a)  To the Knowledge of the Principal Management Employees, the Company
          has delivered to Purchaser correct and complete copies of all the
          written licenses of the Licensed Intellectual Property and all written
          amendments, consents, evidence of transfer, and all other material
          correspondence and documentation pertaining to the Supply Agreement.
          With respect to each such license:

          (i)  to the Knowledge of the Principal Management Employees, such
               license is in full force and effect;

          (ii) to the Knowledge of the Principal Management Employees, such
               license will not cease to be valid and binding and in full force
               and effect on terms identical to those currently in effect as a
               result of the consummation of the transactions contemplated by
               this agreement, nor will the consummation of the transactions
               contemplated by this agreement constitute a breach or default
               under such license or otherwise give the licensor a right to
               terminate such license;
<PAGE>

          (iii)  to the Knowledge of the Principal Management Employees, the
                 Company has not received any notice of termination or
                 cancellation under such license, received any notice of breach
                 or default under such license, which breach has not been cured,
                 or granted to any other third party any rights, adverse or
                 otherwise, under such license that would constitute a breach of
                 such license; and

          (iv)   to the Knowledge of the Principal Management Employees, neither
                 the Company nor any other party to such license is in breach or
                 default thereof in any material respect, and no event has
                 occurred that, with notice or lapse of time, would constitute
                 such a breach or default or permit termination, modification or
                 acceleration under such license.

6.4  Software and Trade Secrets

     (a)  To the Knowledge of the Principal Management Employees, the Software
          is free of all material viruses, worms, trojan horses and other
          material known contaminants, and does not contain any bugs, errors or
          problems of a material nature that disrupts its operation or has an
          adverse impact on the operation of other software programs or
          operating systems. The Company has obtained all approvals necessary
          for exporting the Software outside the United States and the United
          Kingdom and importing the Software into any country in which the
          Software is now sold or licensed for use, and all such export and
          import approvals in the United States and the United Kingdom and
          throughout the world are valid, current, outstanding and in full force
          and effect. No rights in the Software have been transferred to any
          third party except to the customers of the Company to whom the Company
          has licensed such Software in the ordinary course of business.

     (b)  The Company has the right to use all software development tools,
          library functions, compilers, and other third party software that is
          material to the business of the Company, or that is required to
          operate or modify the Software.

     (c)  The Company has taken reasonable steps in accordance with normal
          industry practice to maintain the confidentiality of its trade secrets
          and other confidential Intellectual Property. To the Knowledge of the
          Principal Management Employees (i) there has been no misappropriation
          by any person, and (ii) no employee, independent contractor or agent
          of the Company has misappropriated any trade secrets of any other
          person in the course of such performance as an employee, independent
          contractor or agent; and (iii) no employee, independent contractor or
          agent of the Company is in default or breach of any term of any
          employment agreement, non-disclosure agreement, assignment of
          invention agreement or similar agreement or contract relating in any
          way to the protection, ownership, development, use or transfer of
          Intellectual Property. The Company has disclosed to Purchaser all
          Intellectual Property provided by TI to the Company under the Supply
          Agreement.

6.5  Year 2000 Compliance.

     The Company has undertaken an assessment of those Company Systems that
     could be adversely affected by a failure to be Year 2000 Compliant,
     developed a plan and time line for
<PAGE>

     rendering such systems Year 2000 Compliant, and to date, implemented such
     plan in accordance with such timetable in all material respects. To the
     Knowledge of the Principal Management Employees, there are no issues in
     connection with Year 2000 Compliance which will result in a Material
     Adverse Effect on the Company. For purposes hereof, "Company Systems" shall
     mean all computer, hardware, software, Software, systems, and equipment
     (including embedded microcontrollers in non-computer equipment) embedded
     within or required to operate the current products of the Company, and/or
     material to or necessary for the Company to carry on its business as
     currently conducted. For purposes hereof, "Year 2000 Compliant" means that
     the Company Systems will record, store, process and present calendar dates
     falling on or after January 1, 2000, in the same manner and with the same
     functionality as the Company Systems record, store, process, and present
     calendar dates falling on or before December 31, 1999.

7.   EFFECT OF SALE

7.1  To the Knowledge of the Principal Management Employees, neither the
     execution nor performance of this agreement or any document to be executed
     at or before Completion will:-

     (a)  result in the Company losing the benefit of a Permit or an asset,
          licence, any Intellectual Property or proprietary information or
          rights thereto, or any grant, subsidy, right or privilege which it
          enjoys at the date of this agreement in any jurisdiction; or

     (b)  conflict with, or result in a breach of, or give rise to an event of
          default under, or require the consent of a person under, or enable a
          person to terminate, or relieve a person from an obligation under, an
          agreement, arrangement or obligation to which the Company is a party
          or a legal or administrative requirement in any jurisdiction; or

     (c)  result in any Substantial Customer being entitled to or, so far as the
          Principal Management Employees or the Company are aware, cease dealing
          with the Company or substantially to reduce its existing level of
          business or to change the terms upon which it deals with the Company;
          or

     (d)  result in any Substantial Supplier being entitled to or, so far as the
          Principal Management Employees are aware, cease supplying to the
          Company or substantially to reduce its supplies to or to change the
          terms upon which it supplies the Company;

     (e)  result in any officer or senior employee leaving the Company; or

     (f)  make the Company liable to offer for sale, transfer or otherwise
          dispose of or purchase or otherwise acquire any assets, including
          shares held by it in other bodies corporate under their articles of
          association or any agreement or arrangement.

8.   CONSTITUTION

8.1  Intra Vires

     The Company has the power to carry on its business as now conducted and the
     business of
<PAGE>

     the Company has at all times been carried on in all material respects in
     accordance with the Memorandum and Articles of Association.

8.2  Memorandum and Articles

     The memorandum and articles of association of the Company in the form
     annexed to the Disclosure Letter are complete and have embodied therein or
     annexed thereto copies of all resolutions and agreements as are referred to
     in section 380 of the Companies Act 1985, and all amendments thereto (if
     any) were duly and properly made.

8.3  Register of Members

     The register of members of the Company has been properly kept and contains
     true and complete records of the members from time to time of the Company
     and the Company has not received any notice or allegation that any of them
     is incorrect or incomplete or should be rectified.

8.4  Powers of Attorney

     The Company has not executed any power of attorney or conferred on any
     person other than its directors, officers and employees any authority to
     enter into any transaction on behalf of or to bind the Company in any way
     and which power of attorney remains in force or was granted or conferred
     within the preceding three years.

8.5  Statutory Books and Filings

     (a)  The statutory books of the Company are up to date, in its possession
          and are true and complete in accordance with the law.

     (b)  All resolutions, annual returns and other documents required to be
          delivered to the Registrar of Companies (or other relevant company
          registry or other corporate authority in any jurisdiction) have been
          properly prepared and filed and the common seal of the Company is in
          its possession.

9.   INSURANCE

9.1  Policies

     The Disclosure Letter contains a list of each current insurance and
     indemnity policy in respect of which the Company has an interest (together
     the "Policies"). Each of the Policies is in full force. To the Knowledge of
     the Principal Management Employees, there are no circumstances which might
     make any of the Policies void or voidable or lead any claim under the
     Policies to be avoided by the insurers. No claim is outstanding under any
     of the Policies and the Company has received no notice of any matter which
     might give rise to a claim under any of the Policies.

10.  CONTRACTUAL MATTERS

10.1 Validity of Agreements
<PAGE>

     (a)  To the Knowledge of the Principal Management Employees, neither the
          Company nor any of the Vendors have received any notice, whether
          written or otherwise, alleging the invalidity of, or a ground for
          termination, avoidance or repudiation of, an agreement, arrangement or
          obligation to which the Company is a party and all such agreements,
          arrangements or obligations, including without limitation, the Supply
          Agreement, are in full force and effect. No party with whom the
          Company has entered into an agreement, arrangement or obligation has
          given notice of its intention to terminate, or has sought to repudiate
          or disclaim, the agreement, arrangement or obligation.

     (b)  To the Knowledge of the Principal Management Employees, no party with
          whom the Company has entered into an agreement or arrangement is in
          material breach of the agreement or arrangement.

     (c)  The Company has not received any notice that it is in breach of any
          agreement or arrangement.

10.2 Material Agreements

     (a)  To the Knowledge of the Principal Management Employees, the Company is
          not a party to and is not liable under any contract, transaction,
          arrangement or liability which involves, or is likely to involve
          obligations or liabilities which, by reason of their nature or
          magnitude, ought reasonably in the opinion of the Principal Management
          Employees to be made known to the Purchaser.

     (b)  Except as set forth in the Disclosure Letter, the Company is not a
          party to and is not liable under:

          (i)  an agreement, arrangement or obligation by which the Company is a
               member of a joint venture, consortium, partnership or association
               (other than a bona fide trade association), or

          (ii) a distributorship, agency, marketing, licensing or management
               agreement or arrangement.

11.  LIABILITIES

11.1 Facilities

     Details of all overdrafts, loans or other financial facilities outstanding
     or available to the Company are set out in the Disclosure Letter, whether
     or not of a type which would be required to be shown in or reflected in the
     Accounts and copies of all documents relating to such matters are annexed
     to the Disclosure Letter.

11.2 Bank Accounts

     A statement of all the bank accounts of the Company and of the credit or
     debit balances on such accounts as at a date not more than seven days
     before the date of this agreement has been supplied to the Purchaser.  The
     Company does not have any other bank or deposit accounts (whether in credit
     or overdrawn) not included in such statement.  Since such
<PAGE>

     statement there have been no payments out of any such accounts except for
     routine payments and the balances on current account are not now
     substantially different from the balances shown on such statements. A
     statement of such accounts as at the Completion Date shall be delivered to
     the Purchaser at Completion.

11.3 Guarantees and Indemnities

     (a)  The Company is not a party to and is not liable (including
          contingently) under a guarantee, indemnity or other agreement to
          secure or incur a financial or other obligation with respect to
          another person's obligation.

     (b)  No part of the loan capital, borrowing or indebtedness in the nature
          of borrowing of the Company is dependent on the guarantee or indemnity
          of, or security provided by, another person other than a Group
          Company.

12.  LITIGATION AND COMPLIANCE WITH LAW

12.1 Litigation

     (a)  Save for collection of debts in the ordinary course of business, to
          the Knowledge of the Principal Management Employees, neither the
          Company nor a person for whose acts or defaults the Company may be
          vicariously liable is involved, or has during the 3 years ending on
          the date of this agreement been involved, in a civil, criminal,
          arbitration, administrative or other proceeding or investigation in
          any jurisdiction. No civil, criminal, arbitration, administrative or
          other proceeding or investigation in any jurisdiction is pending or
          threatened by or against the Company or a person for whose acts or
          defaults the Company may be vicariously liable.

     (b)  To the Knowledge of the Principal Management Employees, no matter
          exists which might give rise to a civil, criminal, arbitration,
          administrative or other proceeding or investigation in any
          jurisdiction involving the Company or a person for whose acts or
          defaults the Company may be vicariously liable.

     (c)  There is no outstanding judgment, order, decree, arbitral award or
          decision of a court, tribunal, arbitrator or governmental agency in
          any jurisdiction against the Company or a person for whose acts or
          defaults the Company may be vicariously liable.

12.2 Compliance with Law

     To the Knowledge of the Principal Management Employees, the Company has
     conducted its business and dealt with its assets in all material respects
     in accordance with all applicable legal and administrative requirements in
     any jurisdiction.

13.  BROKERAGE OR COMMISSIONS

     No person is entitled to receive from the Company or its subsidiaries a
     finder's fee, brokerage or commission in connection with this agreement or
     anything in it and the Company is not liable to pay to any of the Vendors
     or its directors, employees, agents and advisers any sum whatsoever in
     connection with the sale of the Shares.
<PAGE>

14.  EMPLOYEES

14.1 Particulars of Officers

     The particulars of all employees annexed to the Disclosure Letter show the
     names, job title, date of commencement of employment, date of birth and
     period of continuous employment (calculated in accordance with chapter 1 of
     part XIV of the ERA) of every employee of the Company.

14.2 Remuneration and Benefits

     The particulars of all employees annexed to the Disclosure Letter show all
     remuneration and other benefits:-

     (a)  actually provided; and

     (b)  which the Company is bound to provide (whether now or in the future)

     to each officer and employee of the Company and include particulars of and
     details of participation in all profit sharing, incentive, bonus,
     commission, share option, medical, permanent health insurance, directors'
     and officers' insurance, travel, car, redundancy and other benefit schemes,
     arrangements and understandings (the "Schemes") operated for all or any
     employees or former employees of the Company or their dependants whether
     legally binding on the Company or not.

14.3 Operation of the Schemes

     (a)  To the Knowledge of the Principal Management Employees, the Schemes
          have at all times been operated in all material respects in accordance
          with their governing rules or terms and all applicable laws and all
          documents which are required to be filed with any regulatory authority
          have been so filed and all tax clearances and approvals necessary to
          obtain favourable tax treatment for the Company and/or the
          participants in the Schemes have been obtained and not withdrawn and
          the Company has received no notice that any act or omission has
          occurred which has or could prejudice any such tax clearance and/or
          approval.

     (b)  To the Knowledge of the Principal Management Employees, no past or
          present director, officer, employee or any dependant thereof or any
          other participant in any Scheme has made any claim against the Company
          in respect of any Scheme and no event has occurred which could or
          might give rise to any such claim.

14.4 Changes since the Accounts Date

     Since the Accounts Date the Company has not made, announced or proposed any
     changes to the emoluments or benefits of or any bonus to any of its
     directors, officers or employees and the Company is under no obligation to
     make any such changes with or without retrospective operation save as set
     out in each such person=s terms of employment.

14.5 Loans
<PAGE>

     There are no amounts owing or agreed to be loaned or advanced by the
     Company to any directors, officers or employees of the Company (other than
     amounts representing remuneration accrued due for the current pay period,
     accrued holiday pay for the current holiday year or for reimbursement of
     expenses).

14.6 Payment up to Completion

     All salaries and wages and other benefits of all employees of the Company
     have, to the extent due, been paid or discharged in full.

14.7 Claims by Employees

     To the Knowledge of the Principal Management Employees, no past or present
     director, officer or employee of the Company or any predecessor in business
     has given notice to the Company of any claim or right of action against the
     Company including any claim:-

     (a)  in respect of any accident or injury which is not fully covered by
          insurance; or

     (b)  for breach of any contract of services or for services;

     (c)  for loss of office or arising out of or connected with the termination
          of his office or employment or arising out of his employment or his
          holding of office; or

     (d)  made otherwise in connection with his employment by the Company;

     and to the Knowledge of the Principal Management Employees, no event or
     inaction has occurred which could or might give rise to any such claim.

14.8 Compliance with Laws

     (a)  To the Knowledge of the Principal Management Employees, the Company
          has complied in all material respects with all relevant provisions of
          the Treaty of Rome, EC Directives, statutes, regulations, codes of
          conduct, collective agreements, terms and conditions of employment,
          orders, declarations and awards relevant to the Company's directors,
          officers and employees or the relations between the Company and any
          trade union, staff association or any other body representing workers.


15.  TAXATION

15.1 The Principal Management Employees have not knowingly withheld information
     from Pricewaterhouse Coopers which the Principal Management Employees know
     would be reasonably required to enable Pricewaterhouse Coopers to make a
     complete and informed assessment of the taxation affairs of the Company.

15.2 To the knowledge of the Principal Management Employees, the report prepared
     by PricewaterhouseCoopers in relation to the taxation affairs of the
     Company (the "Tax Report") is as at Completion,

     (a)  accurate and complete in all material respects; and
<PAGE>

     (b)  does not contain or omit to contain any information or conclusions
          which may, in the reasonable opinion of the Principal Management
          Employees, cause the Tax Report to be misleading in any material
          respect.

16.  INFORMATION

16.1 General

     To the Knowledge of the Principal Management Employees, all written
     information given by, or on behalf of, the Vendors or the Company to the
     Purchaser, its advisers or agents before or during the negotiations leading
     to this agreement is true, complete, accurate and not misleading.

16.2 The Agreement and the Disclosure Letter

     To the Knowledge of the Principal Management Employees, the information set
     out in schedules 1 and 2 of this agreement is true, complete, accurate and
     not misleading.

17.  PENSIONS

17.1 In this paragraph 17:-

     Pension Scheme:    each of the Digital Projection Pension Plan and the
          Digital Projection Money Purchase Scheme.

     Relevant Benefits  as defined in section 612 of ICTA 1988 but with the
          omission of the exception in that definition.

     Relevant Person    each past and present employee, officer and director of
          a Group Company and their respective spouses and dependants.

17.2 Except under the Pension Scheme, no agreement, arrangement or understanding
     (whether contractual, under trust or otherwise) exists for the provisions
     of Relevant Benefits for any Relevant Person in connection with which any
     Group Company is or may become legally liable to make any payment and no
     Group Company is liable to make contributions to a personal pension scheme
     in respect of any Relevant Person.

17.3 The Disclosure Letter contains or has annexed to it:-

     17.3.1    true and complete copies of all the trust deeds, rules and other
               documents containing the provisions which govern the Pension
               Scheme;

     17.3.2    a copy of the deed of participation for each Group Company which
               employs or has employed any member of the Pension Scheme;

     17.3.3    a copy of all insurance policies, investment management and
               administration agreements, the statement of investment
               principles, the IDR procedure, all professional advisers=
               appointment letters and member nominated trustee compliance or
               opt-out documents relating to the Pension Scheme;
<PAGE>

     17.3.4    details of any material changes which are to be made to the
               documents mentioned in paragraph 17.3.1 but which have not yet
               been formally executed, details of any augmentations awarded or
               promised to a Relevant Person and details of any policy, custom
               or practice affecting any Relevant Person which is not apparent
               from the documents and which concerns discretionary pension
               increases, early retirement pensions or any other Relevant
               Benefits or the conditions of membership of the Pension Scheme;

     17.3.5    true and complete copies of all booklets and announcements issued
               to any Relevant Person;

     17.3.6    true and complete copies of the latest trustees' report and
               audited accounts and actuarial valuation report (and any
               actuarial certificates since the latest valuation);

     17.3.7    a list of the active members of the Pension Scheme who are
               employed by a Group Company and those who would (apart from this
               agreement and if service continued) become eligible for
               membership, with details of age, sex, service, pensionable
               service (showing both actual and credited), pensionable salaries
               and dates on which salary increases are expected;

     17.3.8    the latest schedule of contributions or payment schedule showing
               employers' and members' contributions to the Pension Scheme and
               any expenses which are paid in addition; and

     17.3.9    a copy of the Inland Revenue letter of approval for the Pension
               Scheme, and for the Group Companies' participation in it and any
               contracting-out certificate for the Pension Scheme.

17.4 All of the provisions contained in the documents disclosed pursuant to
     paragraph 17.3.1 are valid and effectual (subject only to overriding
     legislation) and all information made available to the Purchaser or its
     advisers in connection with the Pension Scheme and the Relevant Persons'
     membership of it describes the Relevant Persons' rights in all material
     respects.

17.5 No undertaking, assurance or announcement (whether or not legally binding)
     has been given to any Relevant Person about the continuance, introduction,
     increase or improvement of any Relevant Benefits or a change in any of the
     conditions of membership of the Pension Scheme.

17.6 No indemnity, undertaking or guarantee has been given by a Group Company in
     connection with any Relevant Benefits, any occupational pension scheme or
     any personal pension scheme.

17.7 The Pension Scheme is an exempt approved scheme and is contracted-out
     scheme in relation to the employees of each Group Company and to the
     Knowledge of Principal Management Employees nothing has been done or
     omitted which will or may result in the Pension Scheme ceasing to have
     exempt approved status or in a contracting-out certificate which covers any
     employee of a Group Company from being cancelled, surrendered or varied.

17.8 To the Knowledge of Principal Management Employees, the Pension Scheme has
     at all times
<PAGE>

       been operated in accordance with the provisions governing it and in
       accordance with all applicable laws and fiscal and regulatory
       requirements.

17.9   There is not, and has never been, any unequal treatment which could
       breach the provisions of Article 141 (formerly 119) of the Treaty of Rome
       or sections 62-66 of the Pension Act of 1995 in relation to the terms on
       which men and women may become members of the Pension Scheme and the
       terms on which they are treated, and the benefits payable to them, as
       members.

17.10  To the Knowledge of Principal Management Employees, the Pension Scheme
       has been properly administered and true and complete records of all
       matters relevant to its proper operation (including those relevant to the
       calculation and payment of contributions and benefits and the proper
       management of assets and investments) have been maintained.

17.11  All amounts due to the Pension Scheme by or in respect of Relevant
       Persons have been paid (and, to the Knowledge of Principal Management
       Employees, were properly calculated) in accordance with the schedule of
       contributions or payment schedule for, and the rules of, the Pension
       Scheme and the law.

17.12  There are no outstanding transfer payments to the Pension Scheme. The
       transfer payment due from the Rank Organisation Pension Plan and referred
       to in the report on the actuarial valuation of the Pension Scheme as at 4
       April 1997 has been paid in full and was calculated on the basis set out
       in the pensions schedule to the sale and purchase agreement dated
       December 19, 1996 and the actuary's letter attached thereto.

17.13  There are no actions or claims pending or threatened to the Pension
       Ombudsman or a court against a Group Company or the trustees of the
       Pension Scheme in respect of the Pension Scheme and no report has been
       made to, or investigation conducted by, the Occupational Pensions
       Regulatory Authority about a Group Company or the Pension Scheme and
       there are no circumstances which could give rise to such an action,
       claim, investigation or report.

17.14  The liability for all lump sum death in service benefits and the value of
       any dependent's death in service pension benefits which may become
       payable under the Pension Scheme to any Relevant Person is fully insured
       with an insurance company.

17.15  As at the date of this agreement, the Pension Scheme is fully funded on
       an ongoing basis using the actuarial method and assumptions adopted in
       the last valuation for the Pension Scheme and on the Government's minimum
       funding requirements basis.

17.16  No payment from the assets of the Pension Scheme has been made to a Group
       Company.

17.17  No Group Company has ceased to participate in the Pension Scheme. No
       event has taken place (or will take place before Completion) which has
       caused or could cause a debt to arise in relation to the Pension Scheme
       under section 75 of the Pensions Act 1995. Contributions to the Pension
       Scheme have not been (and will not be before Completion) suspended or
       terminated and the winding-up of the Pension Scheme has not been (and
       will not be before Completion) triggered. The trustees of the Pension
       Scheme do not have the power to start a winding-up of the Pension Scheme
       without the Company's consent.

18.  REFERENCE BALANCE SHEET
<PAGE>

       The Reference Balance Sheet has been prepared in accordance with the
       assumptions set forth therein, which assumptions, in the reasonable
       opinion of the Principal Management Employees, are consistent with the
       U.K. GAAP as consistently and historically applied by the Company in the
       preparation of its financial statements.

<PAGE>

                                                                     EXHIBIT 2.2

                            Dated September 3, 1999


                               IMAX CORPORATION

                        THE VENDORS (AS DEFINED HEREIN)

                                      and

                     DIGITAL PROJECTION INTERNATIONAL PLC



                            SUPPLEMENTAL AGREEMENT
                     relating to the sale and purchase of
                     the majority of the issued shares of
                     Digital Projection International PLC
<PAGE>

THIS AGREEMENT is made on September 3,1999

AMONG:-

(1)   IMAX CORPORATION, a Canadian corporation (the "Purchaser");

(2)   The persons specified as Vendors in the Schedule hereto (each a "Vendor"
      and collectively, the "Vendors"); and

(3)   DIGITAL PROJECTION INTERNATIONAL PLC, and English company (No. 03280170)
      whose registered office is at Greenside Way, Middleton, Manchester M24 1XX
      (the "Company").

AND IS SUPPLEMENTAL to an sale and purchase agreement between the same parties
dated 4 August 1999 relating to the sale and purchase of the majority of the
issued share capital of the Company (the "Principal Agreement")

WHEREAS

(A)   The Principal Agreement provides that the Purchase Price for the Shares
      will be $26,945.750 (subject to an adjustment based on the net assets of
      the Company) and that certain loans made by the Investors totalling
      (Pounds) 9,000,000 (nine million pounds sterling) (the "Investor Loans")
      together with the unpaid interest of (Pounds) 708,634 (seven hundred and
      eight thousand, six hundred and thirty four pounds sterling) and a loan
      from The British Linen Bank Limited of (Pounds) 3,400,000 (three million
      four hundred thousand pounds sterling) (the "BLB Loan") together with
      unpaid interest and fees of (Pounds) 1,566.32 (one thousand five hundred
      and sixty six pounds and thirty two pence) will be waived;

(B)   The parties have agreed that the Investor Loans, together with the unpaid
      interest, and the BLB Loan , together with the unpaid interest and fees,
      will no longer be waived.

1.    INTERPRETATION

      Unless the context requires otherwise, words and expressions defined in
      the Principal Agreement shall have the same meaning when used in this
      agreement.

2.    THE CONSIDERATION

2.1   The parties agree that the sale and purchase of the Shares shall take
      place on the terms and conditions set out in the Principal Agreement save
      that the Purchase Price (as defined in clause 2.4 of the Principal
      Agreement) shall be reduced by ,13,110,200.32 (thirteen million, one
      hundred and ten thousand, two hundred pounds and thirty two pence);

3.    REPAYMENT OF LOANS

- --------------------------------------------------------------------------------
<PAGE>

3.1   The following shall be additional completion obligations as if they were
      included as a new clause 5.2C of the Principal Agreement:

      3.1.1  On Completion, the Investor Loans shall be satisfied in full
             including any accrued interest up to 3 September 1999 (less any
             deduction or withholdings required by law);

      3.1.2  On Completion, the BLB Loan shall be repaid in full including any
             accrued interest up to 3 September 1999 (less any deduction or
             withholdings required by law) and any fees.

3.2   For the avoidance of doubt, the Vendors shall pay any early redemption
      charges or pre-payment penalties associated with the repayment of the
      Investor Loans or the BLB Loan.

3.3   For the avoidance of doubt, the Investor Loans and BLB Loan together with
      the unpaid interest and fees thereon, shall be included in the Final
      Balance Sheet prepared under clause 5.7 of the Principal Agreement.

4.    GENERAL

      The provisions of clauses 14 to 20 of the Principal Agreement shall apply
      mutatis mutandis as if repeated herein.
<PAGE>

                                   SCHEDULE

                                  THE VENDORS


     3i Group plc

     Phildrew Nominees Ltd for Phildrew Ventures Fourth Fund

     Phildrew Nominees Ltd. for Phildrew Ventures Fourth Fund B

     Phildrew Nominees Ltd for Phildrew Ventures Fourth Fund C

     Phildrew Nominees Ltd for Phildrew Ventures Fourth Fund D

     Richard Raworth

     Brian Critchley

     Michael Blackburn

     David Green

     Dermot Quinn

     Michael Levi

     Timothy Cronin

     Digital Projection Trustee Limited
<PAGE>

     IN WITNESS whereof this agreement has been executed on the date first above
     written.

     Signed by               )
     for and on behalf of    )
     IMAX CORPORATION        )
     in the presence of:-    )



     Signed by               )
     for and on behalf of    )
     DIGITAL PROJECTION      )
     TRUSTEE LIMITED         )
     in the presence of:-    )



     Signed by               )
     for and on behalf of    )
     3i GROUP PLC            )
     in the presence of:-    )


     Signed by               )
     for and on behalf of    )
     CANVEN (C.I.) LIMITED   )
     MANAGING GENERAL        )
     PARTNER FOR             )
     PHILDREW VENTURES       )
     FOURTH FUND             )
     in the presence of:-    )


     Signed by               )
     for and on behalf of    )
     CANVEN (C.I.) LIMITED   )
     AS MANAGING             )
<PAGE>

     GENERAL PARTNER         )
     FOR PHILDREW            )
     VENTURES FOURTH         )
     FUND B                  )
     in the presence of:-    )


     Signed by               )
     for and on behalf of    )
     CANVEN (C.I.) LIMITED   )
     MANAGING GENERAL        )
     PARTNER FOR             )
     PHILDREW VENTURES       )
     FOURTH FUND C           )
     in the presence of:-    )


     Signed by               )
     for and on behalf of    )
     CANVEN (C.I.) LIMITED   )
     MANAGING GENERAL        )
     PARTNER FOR             )
     PHILDREW VENTURES       )
     FOURTH FUND D           )
     in the presence of:-    )


     Signed by               )
     for and on behalf of    )
     PHILDREW NOMINEES       )
     LIMITED in the          )
     presence       of:-     )

     Signed by               )
     for and on behalf of    )
     RICHARD RAWORTH         )
     in the presence of:-    )


     Signed by               )
     for and on behalf of    )
     BRIAN CRITCHLEY         )
<PAGE>

     in the presence of:-    )

     Signed by               )
     for and on behalf of    )
     MICHAEL BLACKBURN       )
     in the presence of:-    )


     Signed by               )
     for and on behalf of    )
     DAVID GREEN             )
     in the presence of:-    )


     Signed by               )
     for and on behalf of    )
     DERMOT QUINN            )
     in the presence of:-    )


     Signed by               )
     for and on behalf of    )
     MICHAEL LEVI            )
     in the presence of:-    )

     Signed by               )
     for and on behalf of    )
     TIMOTHY CRONIN          )
     in the presence of:-    )


     Signed by               )
     for and on behalf of    )
     DIGITAL PROJECTION      )
     INTERNATIONAL PLC       )
     in the presence of:-    )

<PAGE>

                                                                     EXHIBIT 2.3

               List of Schedules and Other Ancillary Attachments

1.   Particulars Relating to the Company

2.   Particulars Relating to Subsidiaries

3.   The Warranties (filed as part of Exhibit 2.1)

4.   Deliberately Left Blank

5.   Principal Management Employees' Limitations on Liability

6.   Deliberately Left Blank

7.   Actions Pending Completion

8.   Reference Balance Sheet

9.   Form of Employment Agreement

10.  Escrow Agreement

11.  Form of Instruction

12.  Principal Management Employee Term Sheet

13.  Form of Opinion


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