EXHIBIT 4.22 CONFORMED COPY STATEMENT AND WAIVER OF INTER COMPANY BALANCES DATED 27 MARCH, 2003 MARCONI PLC MARCONI CORPORATION PLC THE TRADING COMPANIES LISTED IN SCHEDULE 1 AND THE NON-TRADING SUBSIDIARIES LISTED IN SCHEDULE 1 AND THE DORMANT SUBSIDIARIES LISTED IN SCHEDULE 1 ALLEN & OVERY London CONTENTS PAGE CLAUSE 1. Interpretation.................................................................................. 2 2. Target Subsidiaries............................................................................. 4 3. Statement of Intra-Group Loans.................................................................. 4 4. Acknowledgement of Liabilities.................................................................. 4 5. Waiver of Claims................................................................................ 5 6. Post-Effective Date Claims...................................................................... 7 7. Representations and Warranties.................................................................. 8 8. Costs........................................................................................... 8 9. Notices......................................................................................... 8 10. Assignment...................................................................................... 9 11. General......................................................................................... 9 12. Entire Agreement................................................................................ 10 13. Third Parties................................................................................... 10 14. Governing Law and Jurisdiction.................................................................. 10 15. Service of Process.............................................................................. 10 SCHEDULES 1. Initial Participating Companies................................................................. 11 Part 1 Initial Trading Companies............................................................ 11 Part 2 Initial Non-Trading Companies........................................................ 11 Part 3 Initial Dormant Companies............................................................ 11 2. Intra-Group Loans............................................................................... 12 Part 1 Intra-Group Loans owed by Participating Companies.................................... 12 Part 2 Intra-Group Loans owed by Corp and plc............................................... 25 3. Other preserved claims.......................................................................... 38 Part 1 Other Preserved Claims owed by Participating Companies............................... 38 Part 2 Other Preserved Claims owed by Corp and plc.......................................... 53 4. Accession Letter................................................................................ 69 5. Non-financial guarantees and indemnities........................................................ 72 Part 1 Non-financial guarantees and indemnities given by Corp plc........................... 72 Part 2 Non-financial guarantees and indemnities given by Participating Companies............ 97 THIS AGREEMENT is made on 27th March, 2003 BETWEEN: (1) MARCONI PLC, (registered number 03846429) whose registered office is at New Century Park, PO Box 53, Coventry, Warwickshire, CV3 1HJ (plc); (2) MARCONI CORPORATION PLC, (registered number 00067307) whose registered office is at New Century Park, PO Box 53, Coventry, Warwickshire, CV3 1HJ (CORP); (3) THE TRADING COMPANIES whose names and addresses are set out in Part 1 of Schedule 1 (together with any person who accedes to this Agreement as a trading company, each a TRADING COMPANY); (4) THE NON-TRADING SUBSIDIARIES whose names and addresses are set out in Part 2 of Schedule 1 (together with any person who accedes to this Agreement as a non-trading company, each an NON-TRADING COMPANY); and (5) THE DORMANT SUBSIDIARIES whose names and addresses are set out in Part 3 of Schedule 1 (together with any person who accedes to this Agreement as a dormant company, each a DORMANT COMPANY). WHEREAS: (A) plc, Corp, each Trading Company, each Non-Trading Company and each Dormant Company are members of the Group. (B) On 29th August 2002, Corp and plc concluded with certain of their creditors non-binding indicative heads of terms detailing the principles for the proposed Financial Restructuring of Corp and plc. These non-binding indicative heads of terms were amended by addenda concluded on 13th December 2002. (C) It is proposed that plc will enter into the plc Scheme with the plc Scheme Creditors, constituting a compromise and arrangement between plc and the plc Scheme Creditors which will have the effect of compromising all of plc's creditors' claims against plc as at the Record Date (other than certain excluded claims), in consideration for a distribution of plc's assets. (D) It is proposed that Corp will enter into the Corp Scheme with the Corp Scheme Creditors, constituting a compromise and arrangement between Corp and the Corp Scheme Creditors which will have the effect of compromising all of Corp's creditors' claims against Corp as at the Record Date (other than certain excluded claims), in consideration for a distribution of cash, new equity and new debt securities of Corp. (E) In order to facilitate an effective implementation of the Schemes it is proposed that each Trading Company, each Non-Trading Company and each Dormant Company confirms its existing inter-company claims against plc and Corp and waives any other claims it may have against plc or Corp arising from circumstances existing prior to the Effective Date. It is further proposed that plc and Corp will give equivalent waivers in favour of each Trading Company, each Non-Trading Company and each Dormant Company. (F) Each party to this Agreement severally considers that, given the Group's financial position, the entry by it into this Agreement and all agreements in relation thereto is in the best interests of it and its stakeholders and that the exercise by each party of its respective rights and the 1 performance of its respective obligations pursuant to this Agreement will assist in the successful implementation of the Financial Restructuring. (G) It is the intention of the parties that this document be executed as an Agreement. Each Participating Company, Corp and plc agree to enter into this Agreement in consideration of the respective mutual obligations contained hereunder. IT IS AGREED as follows: 1. INTERPRETATION 1.1 DEFINITIONS In this Agreement: ACCESSION LETTER means an accession letter in substantially the form set out in Schedule 4 (Accession Letter); CLAIM means any claim or right of action of any kind whatsoever or howsoever arising (whether actual or contingent), whether arising under common law, statute or otherwise and whether arising in the United Kingdom or any other place; CORP SCHEME means a scheme of arrangement in respect of Corp pursuant to section 425 of the Companies Act, 1985; COURT means the High Court of Justice of England and Wales; CREDITOR CONSENT means, in relation to any intra-group loan, that such loan is permitted in accordance with: (a) the letter of undertaking dated 25th April, 2002 from Corp and plc to the co-ordination committee of Corp's syndicate banks, as amended; and (b) the letter of undertaking dated 30th May, 2002 from Corp and plc to the ad-hoc committee of Corp's bondholders, as amended including in each case any intra-group loan which is made with the requisite consent of the respective creditor groups; EFFECTIVE DATE means in relation to the Corp Scheme the date upon which an office copy of the order of the Court sanctioning the Corp Scheme is delivered to the Registrar of Companies for registration; FINANCIAL RESTRUCTURING means the proposed financial restructuring of the Corp and plc pursuant to the Schemes more particularly described in the scheme document (together with the explanatory statements and all appendices, schedules and annexures to it) to be issued in connection with the Schemes; MARCONI GROUP means plc and each of plc's Subsidiaries; GROUP means plc and each of its Subsidiaries; PARTICIPATING COMPANY means any Trading Company, any Non-Trading Company or any Dormant Company; 2 PLC SCHEME means a scheme of arrangement in respect of plc pursuant to section 425 of the Companies Act, 1985; PLC SCHEME CREDITORS means all scheme creditors of plc; RECORD DATE means the date at which the liabilities of plc and Corp to be compromised pursuant to the terms of the respective Schemes are assessed which, at the date of this Agreement, is anticipated to be 5.00 p.m. (London time) on 21st March, 2003 for each of the Schemes; REGISTRAR shall have the meaning given in the Companies Act 1985; SCHEME means either or both of the Corp Scheme and the plc Scheme as appropriate including any modifications of either scheme or both or additions or conditions to either Scheme or both in each case as approved or imposed by the Court; and SUBSIDIARY has the meaning set forth in section 736 of Companies Act, 1985 as amended by section 144 of the Companies Act, 1989. 1.2 INTERPRETATION (a) In this Agreement: (i) references to a person include a body corporate and unincorporated associations of persons; (ii) references to an individual include his estate and personal representatives; and (iii) references to a party to this Agreement include references to the successors or assigns (immediate or otherwise), of that party. (b) In this Agreement any reference, express or implied, to an enactment includes references to: (i) that enactment as re-enacted, amended, extended or applied by or under any other enactment (before or after the signature of this Agreement); (ii) any enactment which that enactment re-enacts (with or without modification); and (iii) any subordinate legislation made (before or after the signature of this Agreement) under that enactment, as re-enacted, amended, extended or applied as described in paragraph (i) above, or under any enactment referred to in paragraph (ii) above, and "enactment" includes any legislation in any jurisdiction. (c) In this Agreement, unless the contrary intention appears, a reference to a clause, subclause or schedule is a reference to a clause, subclause or schedule to this Agreement. The schedules form part of this Agreement. (d) Paragraphs (a), (b) and (c) above apply unless the contrary intention appears. (e) The headings in this Agreement do not affect its interpretation. 3 2. TARGET SUBSIDIARIES 2.1 METHOD OF ACCESSION Corp shall, and is hereby authorised by each other Participating Company (other than plc) to, execute an Accession Letter, in respect of any proposed Trading Company, Non-Trading Company or Dormant Company, for itself and on behalf of each other Participating Company (other than plc). Plc shall promptly execute any Accession Letter delivered to it by Corp in respect of any proposed Trading Company, Non-Trading Company or Dormant Company. 2.2 DATE OF ACCESSION Each Accession Letter shall take effect from the date of its execution by Corp, plc and the proposed Trading Company, Non-Trading Company or Dormant Company, as applicable. 3. STATEMENT OF INTRA-GROUP LOANS 3.1 INTRA-GROUP LOANS OWED BY PARTICIPATING COMPANIES Corp and plc each confirms, to the best of its knowledge and belief, that the loan balances set out opposite its name in Part 1 of Schedule 2 (Intra-group loans owed by Participating Companies) are all of the loans which were owing to it by any Participating Company as at 31st December, 2002. 3.2 INTRA -GROUP LOANS OWED BY CORP AND PLC Each Participating Company confirms, to the best of its knowledge and belief, that the loan balances set out opposite its name in Part 2 of Schedule 2 (Intra-group loans owed by Corp and plc) are all of the loans which were owing to it by Corp or plc as at 31st December, 2002. 4. ACKNOWLEDGEMENT OF LIABILITIES 4.1 ACKNOWLEDGEMENT BY CORP AND PLC Each of Corp and plc acknowledges and confirms its liability in respect of: (a) the loan balances set out in Part 2 of Schedule 2 (Intra-group loans owed by Corp and plc) expressed to be owing by it; (b) the trading and current account liabilities expressed to be owing by it to each Participating Company in the management accounts upon which the audited consolidated financial accounts of plc as at 31st March, 2002 (in relation to each Trading and each Non-Trading Company) and as at 30th September, 2002 (in relation to each Dormant Company), have been prepared, to the extent such trading and current account liabilities remain outstanding; (c) the other preserved Claims set out in Part 2 of Schedule 3 (Other Preserved Claims owed by Corp and plc) expressed to be owing by it. 4.2 ACKNOWLEDGEMENT BY EACH PARTICIPATING COMPANY Each Participating Company acknowledges and confirms its liability in respect of: 4 (a) the loan balances set out in Part 1 of Schedule 2 (Intra-group loans owed by Participating Companies) and expressed to be owing by it; (b) the trading and current account liabilities and expressed to be owing by it to plc and/or Corp in the management accounts upon which the audited consolidated financial accounts of plc as at 31st March, 2002 (in relation to each Trading and Non-Trading Company) and as at 30th September, 2002 (in relation to each Dormant Company), have been prepared, to the extent such trading and current account liabilities remain outstanding; and (c) the other preserved Claims set out in Part 1 of Schedule 3 (Other Preserved Claims owed by Participating Companies) expressed to be owing by it. 5. WAIVER OF CLAIMS 5.1 WAIVER BY CORP AND PLC (a) With effect from the Effective Date, each of Corp and plc hereby unconditionally and irrevocably waives and releases each Participating Company from any Claim which it may have against that Participating Company and which arises out of or in relation to any matter or circumstance existing on or prior to the Effective Date. (b) The waiver and release contained in paragraph (a) above shall not apply in relation to: (i) any intra-group loan owed by a Participating Company to Corp and/or plc and set out in Part 1 of Schedule 2 (Intra-group loans owed by Participating Companies), including interest accrued thereon at such applicable commercial rate of interest agreed between the parties; (ii) any intra-group loan made to a Participating Company by Corp on or after 1st January, 2003: (A) in the ordinary and usual course of business; or (B) with Creditor Consent, including interest accrued thereon at such applicable commercial rate of interest agreed between the parties; (iii) any trading and current account liabilities owed by a Participating Company to Corp and/or plc and detailed in the management accounts upon which the audited consolidated financial accounts of plc, as at 31st March, 2002 (in relation to each Trading and Non-Trading Company) and as at 30th September, 2002 (in relation to each Dormant Company), have been prepared, to the extent such trading and current account liabilities remain outstanding; (iv) any trading and current account liabilities owed by a Trading Company or a Non-Trading Company to Corp and/or plc and incurred after 31st, March, 2002 in the ordinary and usual course of that Trading Company's or Non-Trading Company's (as the case may be) business, to the extent such trading and current account liabilities remain outstanding; (v) any counter indemnity or equivalent reimbursement obligation (which is written or is implied by law and whether or not contingent) of a Participating Company to Corp 5 and/or plc under any financial guarantee or indemnity (which is written or is implied by law) and which is given by Corp and/or plc and is: (A) in favour of any person which is not a member of the Marconi Group (including the issuer of any performance bond, bank guarantee or similar instrument) and (B) in respect of any contractual obligations of that Participating Company; provided that where any payment has been made under such a guarantee or indemnity on or before 31st March, 2002, the resultant counter indemnity shall not be preserved under this clause 5.1 (b) (v); (vi) any counter indemnity or equivalent reimbursement obligation (which is written or is implied by law and whether or not contingent) of a Participating Company to Corp and/or plc under any non-financial guarantee or indemnity (which is contractual or implied by law) and which is given by Corp and/or plc and is: (A) in favour of any person which is not a member of the Marconi Group; (B) in respect of any contractual or implied by law obligations of that Participating Company and (C) set out in Part 1 of Schedule 5 (non-financial guarantees and indemnities given by Corp or plc); provided that where any payment has been made under such a guarantee or indemnity on or before 31st March, 2002, the resultant counter indemnity shall not be preserved under this clause 5.1 (b) (vi); and (vii) any other preserved Claims set out in Part 1 of Schedule 3 (Other Preserved Claims owed by Participating Companies) expressed to be owing by it, and each such Claim shall remain in full force and effect notwithstanding the provisions of this Agreement. 5.2 WAIVER BY PARTICIPATING COMPANIES (a) With effect from the Effective Date, each Participating Company hereby unconditionally and irrevocably waives and releases Corp and/or plc from any Claim which it may have against Corp and/or plc and which arises out of or in relation to any matter or circumstance existing on or prior to the Effective Date. (b) The waiver and release contained in paragraph (a) above shall not apply in relation to: (i) any intra-group loan owed by Corp and/or plc to a Participating Company and set out in Part 2 of Schedule 2 (Intra-group loans owed by Corp and plc), including interest accrued thereon at such applicable commercial rate of interest agreed between the parties; (ii) any intra-group loan made to Corp by a Participating Company on or after 1st January, 2003: (A) in the ordinary and usual course of business; (B) with Creditor Consent, including interest accrued thereon at such applicable commercial rate of interest agreed between the parties; (iii) any trading and current account liabilities owed by Corp and/or plc to a Participating Company and detailed in the management accounts upon which the audited consolidated financial accounts of plc, as at 31st March, 2002 (in relation to each Trading and Non-Trading Company) and as at 30th September, 2002 (in relation to 6 each Dormant Company), have been prepared, to the extent such trading and current account liabilities remain outstanding; (iv) any trading and current account liabilities owed by Corp and/or plc to a Trading Company or a Non-Trading Company and incurred after 31st March, 2002 in the ordinary and usual course of Corp's and/or plc's (as the case may be) business, to the extent such trading and current account liabilities remain outstanding; (v) any counter indemnity or equivalent reimbursement obligation (which is written or is implied by law and whether or not contingent) of Corp and/or plc to a Participating Company under any financial guarantee or indemnity (which is written or is implied by law) and which is given by such Participating Company and is: (A) in favour of any person which is not a member of the Marconi Group (including the issuer of any performance bond, bank guarantee or similar instrument) and (B) in respect of any contractual obligations of Corp and/or plc; provided that where any payment has been made under such a guarantee or indemnity on or before 31st March, 2002, the resultant counter indemnity shall not be preserved under this clause 5.2 (b) (v); (vi) any counter indemnity or equivalent reimbursement obligation (which is written or is implied by law and whether or not contingent) of Corp and/or plc to a Participating Company under any non-financial guarantee or indemnity (which is contractual or implied by law) and which is given by such Participating Company and is: (A) in favour of any person which is not a member of the Marconi Group; (B) in respect of any contractual or implied by law obligations of Corp and/or plc and (C) set out in Part 2 of Schedule 5 (non-financial guarantees and indemnities given by Participating Companies); provided that where any payment has been made under such a guarantee or indemnity on or before 31st March, 2002, the resultant counter indemnity shall not be preserved under this clause 5.2 (b) (vi); and (vii) any other preserved Claim set out in Part 2 of Schedule 3 (Other Preserved Claims owed by Corp and plc) expressed to be owing by it, and each such Claim shall remain in full force and effect notwithstanding the provisions of this Agreement. 6. POST-EFFECTIVE DATE CLAIMS 6.1 CLAIMS BY CORP AND PLC Corp, plc and each Participating Company agree that nothing contained in this Agreement shall constitute a waiver or release by Corp and/or plc of any Claim it may have against any Participating Company and which arises out of or in relation to any matter or circumstance arising after the Effective Date and which did not arise out of any matter or circumstance existing on or prior to the Effective Date. For the avoidance of doubt, any Claim of Corp and/or plc against any Participating Company arising out of or in relation to any matter or circumstance arising after the Effective Date, in respect of any contract or arrangement entered into or arising by operation of law prior to the Effective Date shall not be affected by this Agreement. 6.2 CLAIMS BY PARTICIPATING COMPANIES Corp, plc and each Participating Company agree that nothing contained in this Agreement shall constitute a waiver or release by any Participating Company of any Claim it may have against Corp and/or plc and which arises out of or in relation to any matter or circumstance 7 arising after the Effective Date and which did not arise out of any matter or circumstance existing on or prior to the Effective Date. For the avoidance of doubt, any Claim a Participating Company may have against Corp and/or plc arising out of or in relation to any matter or circumstance arising after the Effective Date, in respect of any contract or arrangement entered into or arising by operation of law prior to the Effective Date, shall not be affected by this Agreement. 7. REPRESENTATIONS AND WARRANTIES Corp, plc and each Participating Company severally represents and warrants to each other party that: (a) it has all requisite power and authority to execute and deliver this Agreement and to carry out the transactions contemplated by, and perform its obligations under, this Agreement, and that it has taken all action necessary to authorise such execution and delivery and the performance of such obligations; (b) the execution and delivery by it of this Agreement, and the performance by it of its obligations hereunder does not and will not violate or conflict with any law, rule or regulation applicable to it, any provisions of constitutional documents, any order or judgment of any court or other agency or government applicable to it nor require any registration, filing, consent, approval, notice or other action to, with or by, any governmental or other authority, court or regulatory body, except as expressly provided in this Agreement; and (c) this Agreement constitutes legal, valid and binding obligations, enforceable against it in accordance with its terms, except to the extent that enforcement may be limited by bankruptcy, insolvency, reorganisation, moratorium or other similar laws relating to or limiting creditors' rights generally. 8. COSTS Each party will be solely responsible for all costs and expenses incurred by it in connection with the negotiation, preparation and execution of this Agreement and for its compliance with the terms of this Agreement. 9. NOTICES (a) Any notice given in connection with this Agreement must be in English. Any other document provided in connection with this Agreement must be in English or accompanied by a certified English translation; in this case, the English translation prevails unless the document is a statutory or other official document. (b) Any notice or other formal communication given under this Agreement must be in writing (which includes fax, but not email) and may be delivered or sent by post or fax to the party to be served at its address set out below or, where a party accedes to this Agreement in accordance with clause 2, as set out in the relevant Accession Letter: CORP PLC New Century Park New Century Park PO Box 53 PO Box 53 Coventry Coventry 8 Warwickshire CV3 1HJ Warwickshire CV3 1HJ Attn: Company Secretary Attn: Company Secretary Fax: 020 7306 1395 Fax: 020 7306 1395 or at such other address or fax number as it may have notified to the other parties in accordance with this clause. Any notice or other document sent by post shall be sent by prepaid first class post (if within the United Kingdom) or by prepaid airmail (if elsewhere). (c) Any notice or other formal communication shall be deemed to have been given: (i) if delivered, at the time of delivery; or (ii) if posted, at 10.00 a.m. on the second Business Day after it was put into the post; or (iii) if sent by fax, on the date of transmission, if transmitted before 3.00 p.m. on any Business Day, and in any other case on the Business Day following the date of transmission. (d) In proving service of a notice or other formal communication, it shall be sufficient to prove that delivery was made or that the envelope containing the communication was properly addressed and posted either by prepaid first class post or by prepaid airmail, as the case may be or that the fax was properly addressed and transmitted, as the case may be. 10. ASSIGNMENT None of the parties to this Agreement may assign any of their respective rights or obligations under this Agreement. This Agreement is intended to bind and inure to the benefit of the parties and their respective successors, permitted assignees, administrators and representatives. The agreements, representations, warranties and obligations of each of the parties to this Agreement are, in all respects, several and not joint. 11. GENERAL (a) This Agreement may be executed in one or more counterparts, each of which will be deemed an original and all of which will constitute one and the same Agreement and any party may enter into this Agreement by executing a counterpart. (b) Time is not of the essence in relation to any obligation under this Agreement unless: (i) time is expressly stated to be of the essence in relation to that obligation; or (ii) one party fails to perform an obligation by the time specified in this Agreement and the other party serves a notice on the defaulting party requiring it to perform the obligation by a specified time and stating that time is of the essence in relation to that obligation. (c) The rights of each party under this Agreement: (i) may be exercised as often as necessary; (ii) are cumulative and not exclusive of rights and remedies provided by law; and 9 (iii) may be waived only in writing and specifically. (d) A waiver (whether express or implied) by one of the parties of any of the provisions of this Agreement or of any breach of or default by the other party in performing any of those provisions shall not constitute a continuing waiver and that waiver shall not prevent the waiving party from subsequently enforcing any of the provisions of this Agreement not waived or from acting on any subsequent breach of or default by the other party under any of the provisions of this Agreement. (e) In the event that any provision of this Agreement is void and unenforceable by reason of any applicable law, it shall be deleted and the remaining provisions of this Agreement shall continue in full force and effect, and if required be so amended as necessary to give effect to the spirit of this Agreement so far as possible. 12. ENTIRE AGREEMENT (a) Each party acknowledges that in agreeing to enter into this Agreement it has not relied on any representation, warranty, collateral contract or other assurance (except those set out in this Agreement) made by or on behalf of any other party before the signature of this Agreement. Each party waives all rights and remedies which, but for this subclause, might otherwise be available to it in respect of any such representation, warranty, collateral contract or other assurance. (b) Nothing in this preceding subclause limits or excludes any liability for fraud. 13. THIRD PARTIES No term of this Agreement is enforceable by a person who is not a party to this Agreement. 14. GOVERNING LAW AND JURISDICTION This Agreement will be governed by and construed in accordance with English law. Each party irrevocably submits to the jurisdiction of the English courts for all purposes relating to this Agreement. 15. SERVICE OF PROCESS Without prejudice to any other mode of service allowed under any relevant law, each Participating Company (other than those incorporated in England and Wales): (a) irrevocably appoints Corp as its agent for service of process in relation to any proceedings before the English courts in connection with this Agreement; and (b) agrees that failure by a process agent to notify it of the process will not invalidate the proceedings concerned. 10 SCHEDULE 1 INITIAL PARTICIPATING COMPANIES PART 1 INITIAL TRADING COMPANIES 1. Marconi plc 2. Marconi Corporation plc PART 2 INITIAL NON-TRADING COMPANIES [No companies] PART 3 INITIAL DORMANT COMPANIES [No companies] SCHEDULE 2 INTRA-GROUP LOANS PART 1 INTRA-GROUP LOANS OWED BY PARTICIPATING COMPANIES* LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - --------------------------------------------------------------------------------------- TRADING COMPANIES (MATERIAL) - --------------------------------------------------------------------------------------- ALBANY PARTNERSHIP LIMITED 1,079,346.13 - --------------------------------------------------------------------------------------- GPT SPECIAL PROJECT MANAGEMENT - --------------------------------------------------------------------------------------- MARCONI BONDING LIMITED 26,563,509.96 + 32,851,191.00 + 45,289,547.16 ------------- 104,704,248.12 - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INVESTMENTS LIMITED 49,115.00 - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (IRELAND) - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (UK) 126,924,380.22 + 7,166,659.40 + 140,876,950.87 +1,547,667.62 + 311,701,804.42 -------------- 588,217,462.53 - --------------------------------------------------------------------------------------- - ----------------- * It is intended that all loan balances owed by plc shall be schemed as part of the plc Scheme 12 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OPTICAL NETWORKS LIMITED (IRELAND) - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OVERSEAS SERVICES LIMITED - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOUTH AFRICA PTY LIMITED - --------------------------------------------------------------------------------------- MARCONI OPTICAL COMPONENTS LIMITED 120,601,369.40 - --------------------------------------------------------------------------------------- MARCONI CORPORATION PLC 39,485,100.44 - --------------------------------------------------------------------------------------- MARCONI PLC 201,888,433.35 - --------------------------------------------------------------------------------------- MARCONI SOFTWARE SOLUTIONS LIMITED 1,933,904.88 - --------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL LIMITED 9,015,056.11 - --------------------------------------------------------------------------------------- RONALDI LTD - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SA (FRANCE) - --------------------------------------------------------------------------------------- MNI TECNOLOGIASE e SISTEMAS DE COMMUNICACAO SA 84,734.72 - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS B.V. (NETHERLANDS) - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS GmbH (GERMANY) - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS real ESTATE GmbH - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOFTWARE SYSTEMS GmbH & CO KG - --------------------------------------------------------------------------------------- 13 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOFTWARE SYSTEMS VER. GmBH - --------------------------------------------------------------------------------------- BEIJING MARCONI COMMUNICATIONS TECHNOLOGY CO LTD - --------------------------------------------------------------------------------------- GEC (HONG KONG) LIMITED - --------------------------------------------------------------------------------------- MARCONI AUSTRALIA PTY LIMITED - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS ASIA LIMITED 205,824.96 - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOUTH EAST ASIA PTE LTD - --------------------------------------------------------------------------------------- THE GENERAL ELECTRIC COMPANY OF SINGAPORE PRIVATE LIMITED (NOW KNOWN AS MARCONI SINGAPORE PTE LTD) - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONSSPA - --------------------------------------------------------------------------------------- MARCONI IBERIA SA - --------------------------------------------------------------------------------------- MARCONI MOBILE ACCESS SpA - --------------------------------------------------------------------------------------- MARCONI SUD SpA - --------------------------------------------------------------------------------------- MARCONI INTERNATIONAL SpA - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS DE MEXICO SA De CV - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS TELEMULTI LIMITADA 31,374,720.05 - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS - --------------------------------------------------------------------------------------- 14 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - --------------------------------------------------------------------------------------- DO BRASIL LTDA - --------------------------------------------------------------------------------------- FORE SYSTEMS LIMITADA - --------------------------------------------------------------------------------------- MARCONI COLUMBIA SA - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS ARGENTINA SA 481,426.26 - --------------------------------------------------------------------------------------- MARCONI VENEZUELA CA 310,597.59 - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OPTICAL NETWORKS CORP 35,849,269.63 - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS TECHNOLOGY INC - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS CANADA INC - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS FEDERAL INC - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INC 105,206,236.80 - --------------------------------------------------------------------------------------- MARCONI INC - --------------------------------------------------------------------------------------- MARCONI SOFTWARE INTERNATIONAL INC 1,098,889.13* - --------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (US) INC - --------------------------------------------------------------------------------------- SYSTEMS MANAGEMENT SPECIALISTS INC 3,563,345.14* - --------------------------------------------------------------------------------------- MARCONI MIDDLE EAST (SAUDI ARABIA) - --------------------------------------------------------------------------------------- MARCONI MIDDLE EAST LLC (DUBAI) - --------------------------------------------------------------------------------------- MARCONI APPLIED - --------------------------------------------------------------------------------------- - ------------------- * It is intended that this amount shall be assigned on or before the Record Date to Corp as part of a Trade Receivable Assignment to be entered into by Corp and plc 15 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - --------------------------------------------------------------------------------------- TECNOLOGIES SA - --------------------------------------------------------------------------------------- SNC COMPOSANTS & CIE - --------------------------------------------------------------------------------------- - --------------------------------------------------------------------------------------- NON-TRADING SUBSIDIARIES - --------------------------------------------------------------------------------------- MARCONI PROPERTY LTD - --------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES LIMITED 192,201.48 - --------------------------------------------------------------------------------------- BRUTON STREET INVESTMENTS LIMITED - --------------------------------------------------------------------------------------- EA CONTINENTAL LIMITED 219,000,000* - --------------------------------------------------------------------------------------- ELLIOTT-AUTOMATION HOLDINGS LIMITED - --------------------------------------------------------------------------------------- THE ENGLISH ELECTRIC COMPANY, LIMITED 1,537,611.83 - --------------------------------------------------------------------------------------- MARCONI (BRUTON STREET) LIMITED + 203,281,257.20 + 104,419,241.30 + 529,343,428.50 -------------- 837,043,927.00 - --------------------------------------------------------------------------------------- MARCONI (HOLDINGS) LIMITED - --------------------------------------------------------------------------------------- MARCONI AEROSPACE UNLIMITED - --------------------------------------------------------------------------------------- MARCONI CAPITAL LIMITED + 4,658,963.85 - --------------------------------------------------------------------------------------- + 27,174,596.79 ------------- 31,833,560.64 - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS AFRICA (PTY) LIMITED - --------------------------------------------------------------------------------------- - ------------------- * It is intended that plc shall release this loan in consideration for the assignment of the EA Continental Limited-Corp loan referred to below. 16 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS HOLDINGS LIMITED - --------------------------------------------------------------------------------------- MARCONI (DGP1) LIMITED + 372,717,107.72 + 7,474,093,94 ---------------- 380,191,201.66 - --------------------------------------------------------------------------------------- MARCONI (DGP2) LIMITED + 372,717,107.72 + 7,474,093,69 ---------------- 380,191,201.41 - --------------------------------------------------------------------------------------- MARCONI (ELLIOTT AUTOMATION) LIMITED - --------------------------------------------------------------------------------------- MOBILE SYSTEMS INTERNATIONAL HOLDINGS LIMITED - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS GmbH (SWITZERLAND) - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS HOLDINGS GmbH (GERMANY) 575,830.28 - --------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES LTD (NOW KNOWN AS MARCONI AUSTRALIA HOLDINGS PTY. LIMITED) - --------------------------------------------------------------------------------------- MARCONI HOLDINGS SpA - --------------------------------------------------------------------------------------- RELTEC MEXICO SA de CV (NOW KNOWN AS MARCONI COMMUNICATIONS, S.A. de C.V.) - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (CANADA) - --------------------------------------------------------------------------------------- FS FINANCE CORP - --------------------------------------------------------------------------------------- 17 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - --------------------------------------------------------------------------------------- FS HOLDING CORP - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS NORTH AMERICA INC. - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS CANADA HOLDINGS INC. - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS HOLDINGS INC. - --------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL INC. 20,535,178.28 - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (BERMUDA) - --------------------------------------------------------------------------------------- - --------------------------------------------------------------------------------------- DORMANT SUBSIDIARIES - --------------------------------------------------------------------------------------- A.B. DICK HOLDINGS LTD - --------------------------------------------------------------------------------------- ARROW LTD - --------------------------------------------------------------------------------------- ASSOCIATED AUTOMATION LTD - --------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES HOLDINGS LTD - --------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES (MANCHESTER) LTD - --------------------------------------------------------------------------------------- CLANVILLE LIMITED - --------------------------------------------------------------------------------------- COMBINED ELECTRICAL MANUFACTURERS LTD - --------------------------------------------------------------------------------------- COPPENHALL NOMINEES LIMITED - --------------------------------------------------------------------------------------- DAYMO LTD - --------------------------------------------------------------------------------------- FF CHRESTIAN & CO LTD - --------------------------------------------------------------------------------------- GPT CONSUMER PRODUCTS LTD - --------------------------------------------------------------------------------------- 18 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - --------------------------------------------------------------------------------------- GPT PAYPHONE SYSTEMS LTD - --------------------------------------------------------------------------------------- GPT RELIANCE LTD - --------------------------------------------------------------------------------------- THE KINGSWAY HOUSING ASSOCIATION LTD - --------------------------------------------------------------------------------------- KRAYFORD LTD - --------------------------------------------------------------------------------------- LARNERWAY LTD - --------------------------------------------------------------------------------------- LAYANA LIMITED 165,556.64 - --------------------------------------------------------------------------------------- MARCONI CASWELL DEVELOPMENTS LIMITED - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OPTICAL FIBRES LIMITED - --------------------------------------------------------------------------------------- MARCONI (FIFTEEN) LIMITED 196,822.17 - --------------------------------------------------------------------------------------- MARCONI (FIFTY-NINE) LTD - --------------------------------------------------------------------------------------- MARCONI (FIFTY-THREE) LTD - --------------------------------------------------------------------------------------- MARCONI (FORTY-FIVE) LIMITED - --------------------------------------------------------------------------------------- MARCONI (FORTY-FOUR) LTD - --------------------------------------------------------------------------------------- MARCONI (FORTY-THREE) LIMITED - --------------------------------------------------------------------------------------- MARCONI G.M. LIMITED 283,500.00 - --------------------------------------------------------------------------------------- MARCONI MOBILE SYSTEMS LIMITED - --------------------------------------------------------------------------------------- MARCONI (NINE) LIMITED - --------------------------------------------------------------------------------------- MARCONI PHOTONICA LIMITED - --------------------------------------------------------------------------------------- MARCONI (SIXTEEN) LIMITED - --------------------------------------------------------------------------------------- 19 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - --------------------------------------------------------------------------------------- MARCONI (SIXTY-NINE) LIMITED 801,146.76 - --------------------------------------------------------------------------------------- MARCONI (SIXTY-TWO) LTD 2,859,252.73 - --------------------------------------------------------------------------------------- MARCONI (THIRTEEN) LIMITED - --------------------------------------------------------------------------------------- MARCONI (THIRTY-TWO) LIMITED - --------------------------------------------------------------------------------------- MARCONI (TLC) LTD - --------------------------------------------------------------------------------------- MARCONI (TWENTY-SEVEN) LIMITED - --------------------------------------------------------------------------------------- MARCONI (WCGL) UNLIMITED - --------------------------------------------------------------------------------------- MCMICHAEL LIMITED - --------------------------------------------------------------------------------------- METROPOLITAN-VICKERS ELECTRICAL CO LTD - --------------------------------------------------------------------------------------- MOBILE SYSTEMS GROUP LTD - --------------------------------------------------------------------------------------- MOBILE SYSTEMS (HOLDINGS) LTD - --------------------------------------------------------------------------------------- MOBILE SYSTEMS SERVICES LTD - --------------------------------------------------------------------------------------- MOBILE SYSTEMS (UK) LTD - --------------------------------------------------------------------------------------- THE M-O VALVE CO LTD 101,122.49 - --------------------------------------------------------------------------------------- MSI CELLULAR INVESMTNETS (ONE) LTD - --------------------------------------------------------------------------------------- PALMAZ LTD - --------------------------------------------------------------------------------------- PHOTONICA LIMITED - --------------------------------------------------------------------------------------- PHOTONIQA LIMITED - --------------------------------------------------------------------------------------- PYFORD LIMITED - --------------------------------------------------------------------------------------- 20 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - --------------------------------------------------------------------------------------- RAINFORD GROUP TRUSTEES LTD - --------------------------------------------------------------------------------------- RAINFORD RACKS LTD - --------------------------------------------------------------------------------------- RELTEC (COVENTRY) LTD - --------------------------------------------------------------------------------------- ROBERT STEPHENSON & HAWTHORNS LTD - --------------------------------------------------------------------------------------- THE ROTARY ENGINEERING COMPANY LIMITED 1,876.19 - --------------------------------------------------------------------------------------- SALPLEX LTD - --------------------------------------------------------------------------------------- STYLES & MEALING LIMITED - --------------------------------------------------------------------------------------- TCL PROJECTS LIMITED - --------------------------------------------------------------------------------------- ZIPBOND LTD - --------------------------------------------------------------------------------------- THE VULCAN FOUNDRY LTD - --------------------------------------------------------------------------------------- TRADING COMPANIES (OTHERS) - --------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES INTERNATIONAL LIMITED - --------------------------------------------------------------------------------------- FORE SYSTEMS LIMITED 87,021.00 - --------------------------------------------------------------------------------------- GPT MIDDLE EAST LIMITED - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS (CIS) LIMITED - --------------------------------------------------------------------------------------- MARCONI FINANCE PLC - --------------------------------------------------------------------------------------- MARCONI FLEET MANAGEMENT LIMITED - --------------------------------------------------------------------------------------- MARCONI INFORMATION SYSTEMS LIMITED 15,751,443.94 - --------------------------------------------------------------------------------------- MARCONI (NCP) LIMITED - --------------------------------------------------------------------------------------- NETSCIENT LIMITED - --------------------------------------------------------------------------------------- 21 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - --------------------------------------------------------------------------------------- NORTHWOOD TECHNOLOGIES LIMITED - --------------------------------------------------------------------------------------- TELEPHONE CABLES LIMITED - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INTERNATIONAL LIMITED 12,843,257.68 - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS CHINA LIMITED 381,562.68 - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INTERNATIONAL HOLDINGS LIMITED + 45,165,548.52 + 41,726,156.51 + 28,633,106.00 ---------------- 115,524,811.03 - --------------------------------------------------------------------------------------- BRUTON STREET OVERSEAS INVESTMENTS LIMITED 100,000.00 - --------------------------------------------------------------------------------------- BRUTON STREET PARTNERSHIP + 965,313,353.52 + 965,313,353.52 ---------------- 1,930,626,707.04 - --------------------------------------------------------------------------------------- MARCONI INDIA LIMITED + 2,590.85 + 1,306,939.05 ---------------- 1,309,529.90 - --------------------------------------------------------------------------------------- MARCONI (THIRTY-ONE) LIMITED 8,346.03 - --------------------------------------------------------------------------------------- HIGHROSE LIMITED 701,208,853.58 - --------------------------------------------------------------------------------------- ANCRANE LIMITED - --------------------------------------------------------------------------------------- WOODS OF COLCHESTER HOUSING SOCIETY LIMITED - --------------------------------------------------------------------------------------- MARCONI INSURANCE LIMITED - --------------------------------------------------------------------------------------- TETREL LIMITED - --------------------------------------------------------------------------------------- RELTEC SERVICES (UK) LIMITED - --------------------------------------------------------------------------------------- MARCONI ANSTY LIMITED - --------------------------------------------------------------------------------------- MARCONI NOMINEES LIMITED - --------------------------------------------------------------------------------------- YESLINK UNLIMITED - --------------------------------------------------------------------------------------- 22 \ LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - --------------------------------------------------------------------------------------- ELLIOT AUTOMATION CONTINENTAL SA 226,500 - --------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL NOMINEES LIMITED - --------------------------------------------------------------------------------------- MARCONI DEFENSE OVERSEAS LIMITED - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS GLOBAL NETWORKS LIMITED - --------------------------------------------------------------------------------------- MARCONICOM LIMITED - --------------------------------------------------------------------------------------- MICRO SCOPE LIMITED - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INTERNATIONAL INVESTMENTS LIMITED - --------------------------------------------------------------------------------------- GPT (NEDERLAND) BV - --------------------------------------------------------------------------------------- GEC OF PAKISTAN LIMITED 100,000.00 - --------------------------------------------------------------------------------------- GEC ZAMBIA LIMITED - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS AB - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS BVBA - --------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SARL - --------------------------------------------------------------------------------------- MARCONI CHANNEL MARKETS GmbH - --------------------------------------------------------------------------------------- AEI FURNACES PTY LTD - --------------------------------------------------------------------------------------- HARMAN INFORMATION TECHNOLOGY PTY LTD - --------------------------------------------------------------------------------------- MARCONI NEW ZEALAND LIMITED - --------------------------------------------------------------------------------------- MARCONI TELECOMMUNICATIONS - --------------------------------------------------------------------------------------- 23 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - --------------------------------------------------------------------------------------- INDIA PRIVATE LTD - --------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (AUSTRALIA) PTY LTD - --------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (HONG KONG) LIMITED - --------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (INDIA) PRIVATE LIMITED - --------------------------------------------------------------------------------------- MARCONI ACQUISITION CORP - --------------------------------------------------------------------------------------- MARCONI FINANCE INC. - --------------------------------------------------------------------------------------- NORTHWOOD TECHNOLOGIES INC. 3,035,284.87 - --------------------------------------------------------------------------------------- APT NEDERLANDS BV - --------------------------------------------------------------------------------------- APT TELECOMMUNICIONES SL - --------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL AB - --------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL BRASIL LTDA - --------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (FRANCE) SA - --------------------------------------------------------------------------------------- MARCONI PROJECTS HONG KONG LTD 22,311.00 - --------------------------------------------------------------------------------------- 24 PART 2 INTRA-GROUP LOANS OWED BY CORP AND PLC* LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - --------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - --------------------------------------------------------------------------------- TRADING COMPANIES (MATERIAL) - --------------------------------------------------------------------------------- ALBANY PARTNERSHIP LIMITED - --------------------------------------------------------------------------------- GPT SPECIAL PROJECT MANAGEMENT LIMITED 18,793,671.00 - --------------------------------------------------------------------------------- MARCONI BONDING LIMITED 1.00 - --------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INVESTMENTS LIMITED - --------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (IRELAND) 56,000,765 - --------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (UK) 1,863,584.92 + 6,962,341.40 + 150,000.00 ---------------- 8,975,926.32 - --------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OPTICAL NETWORKS LIMITED (IRELAND) - --------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OVERSEAS SERVICES LIMITED - --------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOUTH AFRICA PTY LIMITED - --------------------------------------------------------------------------------- - --------------------- * It is intended that all loan balances owed by plc shall be schemed as part of the plc Scheme 25 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - ------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------- MARCONI OPTICAL COMPONENTS LIMITED 6,147,994.77 - ------------------------------------------------------------------------------- MARCONI CORPORATION PLC 201,888,433.35 - ------------------------------------------------------------------------------- MARCONI PLC 39,485,100.44 - ------------------------------------------------------------------------------- MARCONI SOFTWARE SOLUTIONS LIMITED 29,802,166.98 - ------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL LIMITED + 1,797,945.28 + 907,313.26 -------------- 2,705,258.54 - ------------------------------------------------------------------------------- RONALDI LTD - ------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SA (FRANCE) 5,233,196.47 - ------------------------------------------------------------------------------- MNI TECNOLOGIASE e SISTEMAS de COMMUNICACAO SA - ------------------------------------------------------------------------------- MARCONI COMMUNICATIONS B.V. (NETHERLANDS) - ------------------------------------------------------------------------------- MARCONI COMMUNICATIONS GmbH (GERMANY) 6,531,622.34 - ------------------------------------------------------------------------------- MARCONI COMMUNICATIONS REAL ESTATE GmbH - ------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOFTWARE SYSTEMS GmbH & CO KG - ------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOFTWARE SYSTEMS VER. GmbH - -------------------------------------------------------------------------------- BEIJING MARCONI COMMUNICATIONS TECHNOLOGY CO LTD - -------------------------------------------------------------------------------- 26 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - -------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - -------------------------------------------------------------------------------- GEC (HONG KONG) LIMITED 53,669,470.54 - -------------------------------------------------------------------------------- MARCONI AUSTRALIA PTY LIMITED - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS ASIA LIMITED - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOUTH EAST ASIA PTE LTD - -------------------------------------------------------------------------------- SGD7,450,000.00 THE GENERAL ELECTRIC COMPANY + GBP860,000.00 OF SINGAPORE PRIVATE LIMITED (Total equivalent to (NOW KNOWN AS MARCONI GBP 3,527,955.88 as at SINGAPORE PTE LTD) 31/12/02) - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONSSpA - -------------------------------------------------------------------------------- MARCONI IBERIA SA 7,169,860.51 - -------------------------------------------------------------------------------- MARCONI MOBILE ACCESS SpA - -------------------------------------------------------------------------------- MARCONI SUD SpA - -------------------------------------------------------------------------------- MARCONI INTERNATIONAL SpA - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS de MEXICO SA de CV - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS TELEMULTI LIMITADA - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS DO BRASIL LTDA - -------------------------------------------------------------------------------- FORE SYSTEMS LIMITADA - -------------------------------------------------------------------------------- MARCONI COLUMBIA SA - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS ARGENTINA SA - -------------------------------------------------------------------------------- MARCONI VENEZUELA CA - -------------------------------------------------------------------------------- 27 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - -------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OPTICAL NETWORKS CORP - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS TECHNOLOGY INC - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS CANADA INC - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS FEDERAL INC - -------------------------------------------------------------------------------- 3,001,537 MARCONI COMMUNICATIONS INC + 4,923,218.41 ---------------- 7,924,755.41 - -------------------------------------------------------------------------------- MARCONI INC 1,276,106,394.81 - -------------------------------------------------------------------------------- MARCONI SOFTWARE INTERNATIONAL INC - -------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (US) INC - -------------------------------------------------------------------------------- SYSTEMS MANAGEMENT SPECIALISTS INC - -------------------------------------------------------------------------------- MARCONI MIDDLE EAST (SAUDI ARABIA) - -------------------------------------------------------------------------------- MARCONI MIDDLE EAST LLC (DUBAI) - -------------------------------------------------------------------------------- MARCONI APPLIED TECNOLOGIES SA 12,263,858.23 - -------------------------------------------------------------------------------- SNC COMPOSANTS & CIE 3,954,810.98 - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- NON-TRADING SUBSIDIARIES - -------------------------------------------------------------------------------- MARCONI PROPERTY LTD 1.00 - -------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES LIMITED 134,993,728.40 - -------------------------------------------------------------------------------- 28 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - -------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - -------------------------------------------------------------------------------- BRUTON STREET INVESTMENTS LIMITED 100.00 - -------------------------------------------------------------------------------- EA CONTINENTAL LIMITED 363,308,102.03* - -------------------------------------------------------------------------------- ELLIOTT-AUTOMATION HOLDINGS LIMITED 78,486,756.70 - -------------------------------------------------------------------------------- THE ENGLISH ELECTRIC COMPANY, LIMITED 300,733,962.69 - -------------------------------------------------------------------------------- MARCONI (BRUTON STREET) LIMITED 871,397,961.00 - -------------------------------------------------------------------------------- MARCONI (HOLDINGS) LIMITED 8,353,965.42 + 287,395.99 8,641,361.41 - -------------------------------------------------------------------------------- MARCONI AEROSPACE UNLIMITED 69,607,029.63 - -------------------------------------------------------------------------------- MARCONI CAPITAL LIMITED 2.00 - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS AFRICA (PTY) LIMITED 12,270,242.05 - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS HOLDINGS LIMITED - -------------------------------------------------------------------------------- MARCONI (DGP1) LIMITED - -------------------------------------------------------------------------------- MARCONI (DGP2) LIMITED - -------------------------------------------------------------------------------- MARCONI (ELLIOTT AUTOMATION) LIMITED 21,867,755.03 - -------------------------------------------------------------------------------- MOBILE SYSTEMS INTERNATIONAL HOLDINGS LIMITED - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS GmBH (SWITZERLAND) - -------------------------------------------------------------------------------- - -------------------------------- * It is intended that subject to certain creditor consent and prior to the Record Date this amount shall be assigned to Ancrane Limited by an assignment between EA Continental Limited and Ancrane Limited and then assigned to plc by an assignment between Ancrane Limited and plc. 29 LOAN BALANCES (L) (Loan balances as at 31st December, 2002 (to the extent such loan balances remain outstanding)) - -------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS HOLDINGS GmBH (GERMANY) - -------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES LTD (NOW KNOWN AS MARCONI AUSTRALIA HOLDINGS PTY LIMITED) 130,149,000.00 - -------------------------------------------------------------------------------- MARCONI HOLDINGS SpA - -------------------------------------------------------------------------------- RELTEC MEXICO SA de CV (NOW KNOWN AS MARCONI COMMUNICATIONS, S.A. de C.V.) - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (CANADA) - -------------------------------------------------------------------------------- FS FINANCE CORP - -------------------------------------------------------------------------------- FS HOLDING CORP - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS NORTH AMERICA INC. - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS CANADA HOLDINGS INC. - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS HOLDINGS INC. - -------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL INC. - -------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (BERMUDA) 3,224,189.35 - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- DORMANT SUBSIDIARIES - -------------------------------------------------------------------------------- A.B. DICK HOLDINGS LTD 7,308,638.58 - -------------------------------------------------------------------------------- ARROW LTD 49,958.87 - -------------------------------------------------------------------------------- ASSOCIATED AUTOMATION LTD 2,723,292.41 - -------------------------------------------------------------------------------- 30 LOAN BALANCES(L) (Loan balances as at 31st December, 2002(to the extent such loan balances remain outstanding)) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ ASSOCIATED ELECTRICAL INDUSTRIES HOLDINGS LTD - ------------------------------------------------------------------------------------------------ ASSOCIATED ELECTRICAL INDUSTRIES (MANCHESTER) LTD - ------------------------------------------------------------------------------------------------ CLANVILLE LIMITED 1.00 - ------------------------------------------------------------------------------------------------ COMBINED ELECTRICAL MANUFACTURERS LTD 6,895,676.71 - ------------------------------------------------------------------------------------------------ COPPENHALL NOMINEES LIMITED - ------------------------------------------------------------------------------------------------ DAYMO LTD - ------------------------------------------------------------------------------------------------ FF CHRESTIAN & CO LTD 34,944.36 - ------------------------------------------------------------------------------------------------ GPT CONSUMER PRODUCTS LTD - ------------------------------------------------------------------------------------------------ GPT PAYPHONE SYSTEMS LTD - ------------------------------------------------------------------------------------------------ GPT RELIANCE LTD - ------------------------------------------------------------------------------------------------ THE KINGSWAY HOUSING ASSOCIATION LTD 1,280,159.82 - ------------------------------------------------------------------------------------------------ KRAYFORD LTD - ------------------------------------------------------------------------------------------------ LARNERWAY LTD - ------------------------------------------------------------------------------------------------ LAYANA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI CASWELL DEVELOPMENTS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS OPTICAL FIBRES LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (FIFTEEN) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (FIFTY-NINE) LTD - ------------------------------------------------------------------------------------------------ MARCONI (FIFTY-THREE) LTD 151,087.68 - ------------------------------------------------------------------------------------------------ 31 LOAN BALANCES(L) (Loan balances as at 31st December, 2002(to the extent such loan balances remain outstanding)) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ MARCONI (FORTY-FIVE) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (FORTY-FOUR) LTD - ------------------------------------------------------------------------------------------------ MARCONI (FORTY-THREE) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI G.M. LIMITED - ------------------------------------------------------------------------------------------------ MARCONI MOBILE SYSTEMS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (NINE) LIMITED 141,080.92 - ------------------------------------------------------------------------------------------------ MARCONI PHOTONICA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (SIXTEEN) LIMITED 1,250,099.99 - ------------------------------------------------------------------------------------------------ MARCONI (SIXTY-NINE) LIMITED 1,119,739.39 - ------------------------------------------------------------------------------------------------ MARCONI (SIXTY-TWO) LTD - ------------------------------------------------------------------------------------------------ MARCONI (THIRTEEN) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (THIRTY-TWO) LIMITED 107,416.44 - ------------------------------------------------------------------------------------------------ MARCONI (TLC) LTD - ------------------------------------------------------------------------------------------------ MARCONI (TWENTY-SEVEN) LIMITED 1,542,489.94 - ------------------------------------------------------------------------------------------------ MARCONI (WCGL) UNLIMITED 1,853,074.20 - ------------------------------------------------------------------------------------------------ MCMICHAEL LIMITED 5,075,000.00 - ------------------------------------------------------------------------------------------------ METROPOLITAN-VICKERS ELECTRICAL CO LTD - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS GROUP LTD - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS (HOLDINGS) LTD - ------------------------------------------------------------------------------------------------ 32 LOAN BALANCES(L) (Loan balances as at 31st December, 2002(to the extent such loan balances remain outstanding)) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS SERVICES LTD - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS (UK) LTD - ------------------------------------------------------------------------------------------------ THE M-O VALVE CO LTD - ------------------------------------------------------------------------------------------------ MSI CELLULAR INVESMTNETS (ONE) LTD - ------------------------------------------------------------------------------------------------ PALMAZ LTD - ------------------------------------------------------------------------------------------------ PHOTONICA LIMITED 76,009.00 - ------------------------------------------------------------------------------------------------ PHOTONIQA LIMITED 1.00 - ------------------------------------------------------------------------------------------------ PYFORD LIMITED - ------------------------------------------------------------------------------------------------ RAINFORD GROUP TRUSTEES LTD - ------------------------------------------------------------------------------------------------ RAINFORD RACKS LTD - ------------------------------------------------------------------------------------------------ RELTEC (COVENTRY) LTD - ------------------------------------------------------------------------------------------------ ROBERT STEPHENSON & HAWTHORNS LTD - ------------------------------------------------------------------------------------------------ THE ROTARY ENGINEERING COMPANY LIMITED - ------------------------------------------------------------------------------------------------ SALPLEX LTD 92,386.96 - ------------------------------------------------------------------------------------------------ STYLES & MEALING LIMITED - ------------------------------------------------------------------------------------------------ TCL PROJECTS LIMITED - ------------------------------------------------------------------------------------------------ ZIPBOND LTD 6,731,913.50 - ------------------------------------------------------------------------------------------------ THE VULCAN FOUNDRY LTD - ------------------------------------------------------------------------------------------------ TRADING SUBSIDIARIES (OTHERS) - ------------------------------------------------------------------------------------------------ ASSOCIATED ELECTRICAL INDUSTRIES INTERNATIONAL 76,913.47 LIMITED - ------------------------------------------------------------------------------------------------ 33 LOAN BALANCES(L) (Loan balances as at 31st December, 2002(to the extent such loan balances remain outstanding)) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ FORE SYSTEMS LIMITED - ------------------------------------------------------------------------------------------------ GPT MIDDLE EAST LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS (CIS) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI FINANCE PLC 2,775,111.02 - ------------------------------------------------------------------------------------------------ MARCONI FLEET MANAGEMENT LIMITED 1,292,411.63 - ------------------------------------------------------------------------------------------------ MARCONI INFORMATION SYSTEMS LIMITED 54,945.94 - ------------------------------------------------------------------------------------------------ MARCONI (NCP) LIMITED - ------------------------------------------------------------------------------------------------ NETSCIENT LIMITED - ------------------------------------------------------------------------------------------------ NORTHWOOD TECHNOLOGIES LIMITED - ------------------------------------------------------------------------------------------------ TELEPHONE CABLES LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS INTERNATIONAL LIMITED 7,065,000.00 - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS CHINA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS INTERNATIONAL HOLDINGS LIMITED - ------------------------------------------------------------------------------------------------ BRUTON STREET OVERSEAS INVESTMENTS LIMITED - ------------------------------------------------------------------------------------------------ BRUTON STREET PARTNERSHIP - ------------------------------------------------------------------------------------------------ MARCONI INDIA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (THIRTY-ONE) LIMITED - ------------------------------------------------------------------------------------------------ HIGHROSE LIMITED - ------------------------------------------------------------------------------------------------ ANCRANE LIMITED 14,635,059.00 + an amount - ------------------------------------------------------------------------------------------------ 34 LOAN BALANCES(L) (Loan balances as at 31st December, 2002(to the extent such loan balances remain outstanding)) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ approximately equal to 387,403,015.00 (stemming from four separate bond issues of (1) E256,735,000; (2) E 67,868,000; (3) US$131,011,000; and (4) US$130,090,000) - ------------------------------------------------------------------------------------------------ WOODS OF COLCHESTER HOUSING SOCIETY LIMITED - ------------------------------------------------------------------------------------------------ MARCONI INSURANCE LIMITED - ------------------------------------------------------------------------------------------------ TETREL LIMITED - ------------------------------------------------------------------------------------------------ RELTEC SERVICES (UK) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI ANSTY LIMITED - ------------------------------------------------------------------------------------------------ MARCONI NOMINEES LIMITED - ------------------------------------------------------------------------------------------------ YESLINK UNLIMITED - ------------------------------------------------------------------------------------------------ ELLIOT AUTOMATION CONTINENTAL SA - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL NOMINEES LIMITED - ------------------------------------------------------------------------------------------------ MARCONI DEFENSE OVERSEAS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS GLOBAL NETWORKS LIMITED - ------------------------------------------------------------------------------------------------ MARCONICOM LIMITED - ------------------------------------------------------------------------------------------------ MICRO SCOPE LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS INTERNATIONAL INVESTMENTS LIMITED - ------------------------------------------------------------------------------------------------ GPT (NEDERLAND) BV - ------------------------------------------------------------------------------------------------ 35 LOAN BALANCES(L) (Loan balances as at 31st December, 2002(to the extent such loan balances remain outstanding)) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ GEC OF PAKISTAN LIMITED - ------------------------------------------------------------------------------------------------ GEC ZAMBIA LIMITED 154,866.00 - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS AB - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS BVBA - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS SARL - ------------------------------------------------------------------------------------------------ MARCONI CHANNEL MARKETS GmbH - ------------------------------------------------------------------------------------------------ AEI FURNACES PTY LTD - ------------------------------------------------------------------------------------------------ HARMAN INFORMATION TECHNOLOGY PTY LTD - ------------------------------------------------------------------------------------------------ MARCONI NEW ZEALAND LIMITED - ------------------------------------------------------------------------------------------------ MARCONI TELECOMMUNICATIONS INDIA PRIVATE LTD - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (AUSTRALIA) PTY LTD - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (HONG KONG) LIMITED - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (INDIA) PRIVATE LIMITED - ------------------------------------------------------------------------------------------------ MARCONI ACQUISITION CORP - ------------------------------------------------------------------------------------------------ MARCONI FINANCE INC. - ------------------------------------------------------------------------------------------------ NORTHWOOD TECHNOLOGIES INC. - ------------------------------------------------------------------------------------------------ APT NEDERLANDS BV - ------------------------------------------------------------------------------------------------ 36 LOAN BALANCES(L) (Loan balances as at 31st December, 2002(to the extent such loan balances remain outstanding)) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ APT TELECOMMUNICIONES SL - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL AB - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL BRASIL LTDA - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (FRANCE) SA - ------------------------------------------------------------------------------------------------ MARCONI PROJECTS HONG KONG LTD 55,454.23 - ------------------------------------------------------------------------------------------------ 37 SCHEDULE 3 OTHER PRESERVED CLAIMS PART 1 OTHER PRESERVED CLAIMS OWED BY PARTICIPATING COMPANIES OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ TRADING COMPANIES (MATERIAL) - ------------------------------------------------------------------------------------------------ ALBANY PARTNERSHIP LIMITED - ------------------------------------------------------------------------------------------------ GPT SPECIAL PROJECT MANAGEMENT LIMITED - ------------------------------------------------------------------------------------------------ MARCONI BONDING LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS INVESTMENTS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS LIMITED 2,659,104.80 (IRELAND) Trading balance transferred to Corp on disposal of Mobile business - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS LIMITED (UK) - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS OPTICAL NETWORKS LIMITED (IRELAND) - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS OVERSEAS SERVICES LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS SOUTH AFRICA PTY LIMITED - ------------------------------------------------------------------------------------------------ MARCONI OPTICAL COMPONENTS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI CORPORATION PLC Balance owed to plc by Corp of L 195k arising from disposal of Mobile business. Plc has no record of debt and as such it is being - ------------------------------------------------------------------------------------------------ 38 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ written back to capital projects in March 2003 - ------------------------------------------------------------------------------------------------ EXCHANGE AGREEMENT - MARCONI PLC PURCHASE OF SHARES IN SYSTEMS MANAGEMENT SPECIALISTS, INC. in exchange for shares in Marconi plc (22nd May, 2000) with a follow-up share sale agreement from plc to Corp Outstanding liabilities as follows: minimal capacity, trading and regulatory warranties; certain covenants; and indemnity given to Miguel Winder for any losses, damages, costs etc incurred in connection with the breach of any representation, warranty or covenant. Following on from the first share sale agreement, plc entered into an agreement for the sale and purchase of shares in Systems Management Specialists, Inc. with Corp under which the obligations under the original agreement were mirrored between purchaser and seller in the intra-group sale agreement. (18th July, 2000). SHARE SALE AND PURCHASE AGREEMENT RELATING TO THE ACQUISITION OF ALBANY PARTNERSHIP LIMITED from AJC Elliman, Andrew Jones and Dolphin Head Group Holdings Plc to Plc ("Vendors") (28th July, 2000) with a follow-up intra group share sale agreement from Plc to Corp. Liabilities outstanding as follows: - ------------------------------------------------------------------------------------------------ 39 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ Plc warrants to the Vendors, their estates and PRs that at the date of the Agreement: it is a corporation duly incorporated and validly existing under the laws of England and Wales; it has the corporate power to perform all its obligations under and as envisaged by the Agreement; the execution or performance of the Agreement by Plc does not contravene any provision of its memorandum or articles of association or any agreement created by Plc or any law; and Plc has full power and has procured all corporate consents for the execution and performance by it of the Agreement, which has been executed in compliance with its constitutional documents and applicable law. Under a related Tax Deed dated 28th July, 2000, Plc covenants to pay on demand to the Vendors, their estates and PRs an amount equal to the amount of any liability of the Vendors or any Company prior to Completion: pursuant to section 767A, 767AA and 767B Taxes Act by reason of the failure of the Company to disclose a liability to corporation tax; and which results from the Vendors or such other company being treated as a member of the same group as a Company for VAT purposes during any prescribed accounting period which was current at Completion. - ------------------------------------------------------------------------------------------------ 40 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ Under a Share Sale Agreement (undated) Plc sold its shares in Albany Partnership Limited to Corp and the various obligations contained in the original sale agreement were mirrored between purchaser and seller in the intra-group sale agreement. ACQUISITION OF MARIPOSA TECHNOLOGY, INC BY WAY OF MERGER WITH MARCONI ACQ. (20th September, 2000) It appears the liabilities under this acquisition were assigned to Corp from PLC on 18th October, 2000 pursuant to an Assignment Agreement, but under the assignment clause, Plc still remains liable. Liabilities outstanding as follows: 1. indemnity to selling stockholders for costs, losses, damages etc arising in respect of breaches of representations or warranties in the merger agreement/other documents; 2. limited warranties given (along with Marconi Acquisition Sub) re organisation, consents and approvals, capitalisation and various mechanical/admin steps; and 3. bonus payments under two employment contracts plus indemnity for income tax assessed on these employees in respect of certain employee share options. - ------------------------------------------------------------------------------------------------ 41 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ MARCONI SOFTWARE SOLUTIONS LIMITED - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL LIMITED - ------------------------------------------------------------------------------------------------ RONALDI LTD - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS SA (FRANCE) - ------------------------------------------------------------------------------------------------ MNI TECNOLOGIASE e SISTEMAS de COMMUNICACAO SA - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS B.V. (NETHERLANDS) - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS GmbH 255,529.70 (GERMANY) Trading balance transferred to Corp on disposal of Mobile business - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS REAL ESTATE GmbH - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS SOFTWARE SYSTEMS GmbH & CO KG - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS SOFTWARE SYSTEMS VER. GmbH - ------------------------------------------------------------------------------------------------ BEIJING MARCONI COMMUNICATIONS TECHNOLOGY CO LTD - ------------------------------------------------------------------------------------------------ GEC (HONG KONG) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI AUSTRALIA PTY LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS ASIA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS SOUTH EAST ASIA PTE LTD - ------------------------------------------------------------------------------------------------ 42 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ THE GENERAL ELECTRIC COMPANY OF SINGAPORE PRIVATE LIMITED (NOW KNOWN AS MARCONI SINGAPORE PTE LTD) - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONSSpA - ------------------------------------------------------------------------------------------------ MARCONI IBERIA SA - ------------------------------------------------------------------------------------------------ MARCONI MOBILE ACCESS SpA - ------------------------------------------------------------------------------------------------ MARCONI SUD SpA 6,518.06 Amount owed as part of Jabil outsourcing transaction 17,846,339.36 Balance due to corp by Marconi Sud as per debt agreement 31st July 2002. (Project Saturn) - ------------------------------------------------------------------------------------------------ MARCONI INTERNATIONAL SpA - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS de MEXICO SA de CV - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS TELEMULTI LIMITADA - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS DO BRASIL LTDA - ------------------------------------------------------------------------------------------------ FORE SYSTEMS LIMITADA - ------------------------------------------------------------------------------------------------ MARCONI COLUMBIA SA - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS ARGENTINA SA - ------------------------------------------------------------------------------------------------ MARCONI VENEZUELA CA - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS OPTICAL NETWORKS CORP - ------------------------------------------------------------------------------------------------ 43 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS TECHNOLOGY INC - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS CANADA INC - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS FEDERAL INC - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS INC - ------------------------------------------------------------------------------------------------ MARCONI INC - ------------------------------------------------------------------------------------------------ MARCONI SOFTWARE INTERNATIONAL INC - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (US) INC - ------------------------------------------------------------------------------------------------ SYSTEMS MANAGEMENT SPECIALISTS INC - ------------------------------------------------------------------------------------------------ MARCONI MIDDLE EAST (SAUDI ARABIA) - ------------------------------------------------------------------------------------------------ MARCONI MIDDLE EAST LLC (DUBAI) - ------------------------------------------------------------------------------------------------ MARCONI APPLIED TECNOLOGIES SA - ------------------------------------------------------------------------------------------------ SNC COMPOSANTS & CIE - ------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------ NON-TRADING SUBSIDIARIES - ------------------------------------------------------------------------------------------------ MARCONI PROPERTY LTD - ------------------------------------------------------------------------------------------------ ASSOCIATED ELECTRICAL INDUSTRIES LIMITED - ------------------------------------------------------------------------------------------------ BRUTON STREET INVESTMENTS LIMITED - ------------------------------------------------------------------------------------------------ EA CONTINENTAL LIMITED - ------------------------------------------------------------------------------------------------ 44 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ ELLIOTT-AUTOMATION HOLDINGS LIMITED - ------------------------------------------------------------------------------------------------ THE ENGLISH ELECTRIC COMPANY, LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (BRUTON STREET) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (HOLDINGS) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI AEROSPACE UNLIMITED - ------------------------------------------------------------------------------------------------ MARCONI CAPITAL LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS AFRICA (PTY) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS HOLDINGS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (DGP1) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (DGP2) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (ELLIOTT AUTOMATION) LIMITED - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS INTERNATIONAL HOLDINGS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS GmBH (SWITZERLAND) - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS HOLDINGS GmBH (GERMANY) - ------------------------------------------------------------------------------------------------ ASSOCIATED ELECTRICAL INDUSTRIES LTD (NOW KNOWN AS MARCONI AUSTRALIA HOLDINGS PTY LIMITED) - ------------------------------------------------------------------------------------------------ MARCONI HOLDINGS SpA - ------------------------------------------------------------------------------------------------ RELTEC MEXICO SA de CV (NOW KNOWN AS MARCONI COMMUNICATIONS, S.A. de C.V.) - ------------------------------------------------------------------------------------------------ 45 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS LIMITED (CANADA) - ------------------------------------------------------------------------------------------------ FS FINANCE CORP $1 billion obligation of FS corp to pay Marconi Corporation plc under the "repo finance" clause, used to purchase Fore Systems in 1999. - ------------------------------------------------------------------------------------------------ FS HOLDING CORP - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS NORTH AMERICA INC. - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS CANADA HOLDINGS INC. - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS HOLDINGS INC. - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL INC. - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS LIMITED (BERMUDA) - ------------------------------------------------------------------------------------------------ DORMANT SUBSIDIARIES - ------------------------------------------------------------------------------------------------ A.B. DICK HOLDINGS LTD - ------------------------------------------------------------------------------------------------ ARROW LTD - ------------------------------------------------------------------------------------------------ ASSOCIATED AUTOMATION LTD - ------------------------------------------------------------------------------------------------ ASSOCIATED ELECTRICAL INDUSTRIES HOLDINGS LTD - ------------------------------------------------------------------------------------------------ ASSOCIATED ELECTRICAL INDUSTRIES (MANCHESTER) LTD - ------------------------------------------------------------------------------------------------ CLANVILLE LIMITED - ------------------------------------------------------------------------------------------------ COMBINED ELECTRICAL MANUFACTURERS LTD - ------------------------------------------------------------------------------------------------ 46 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ COPPENHALL NOMINEES LIMITED - ------------------------------------------------------------------------------------------------ DAYMO LTD - ------------------------------------------------------------------------------------------------ FF CHRESTIAN & CO LTD - ------------------------------------------------------------------------------------------------ GPT CONSUMER PRODUCTS LTD - ------------------------------------------------------------------------------------------------ GPT PAYPHONE SYSTEMS LTD - ------------------------------------------------------------------------------------------------ GPT RELIANCE LTD - ------------------------------------------------------------------------------------------------ THE KINGSWAY HOUSING ASSOCIATION LTD - ------------------------------------------------------------------------------------------------ KRAYFORD LTD - ------------------------------------------------------------------------------------------------ LARNERWAY LTD - ------------------------------------------------------------------------------------------------ LAYANA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI CASWELL DEVELOPMENTS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS OPTICAL FIBRES LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (FIFTEEN) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (FIFTY-NINE) LTD - ------------------------------------------------------------------------------------------------ MARCONI (FIFTY-THREE) LTD - ------------------------------------------------------------------------------------------------ MARCONI (FORTY-FIVE) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (FORTY-FOUR) LTD - ------------------------------------------------------------------------------------------------ MARCONI (FORTY-THREE) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI G.M. LIMITED - ------------------------------------------------------------------------------------------------ MARCONI MOBILE SYSTEMS LIMITED - ------------------------------------------------------------------------------------------------ 47 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ MARCONI (NINE) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI PHOTONICA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (SIXTEEN) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (SIXTY-NINE) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (SIXTY-TWO) LTD - ------------------------------------------------------------------------------------------------ MARCONI (THIRTEEN) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (THIRTY-TWO) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (TLC) LTD - ------------------------------------------------------------------------------------------------ MARCONI (TWENTY-SEVEN) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (WCGL) UNLIMITED - ------------------------------------------------------------------------------------------------ MCMICHAEL LIMITED - ------------------------------------------------------------------------------------------------ METROPOLITAN-VICKERS ELECTRICAL CO LTD - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS GROUP LTD - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS (HOLDINGS) LTD - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS SERVICES LTD - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS (UK) LTD - ------------------------------------------------------------------------------------------------ THE M-O VALVE CO LTD - ------------------------------------------------------------------------------------------------ MSI CELLULAR INVESMTNETS (ONE) LTD - ------------------------------------------------------------------------------------------------ PALMAZ LTD - ------------------------------------------------------------------------------------------------ 48 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ PHOTONICA LIMITED - ------------------------------------------------------------------------------------------------ PHOTONIQA LIMITED - ------------------------------------------------------------------------------------------------ PYFORD LIMITED - ------------------------------------------------------------------------------------------------ RAINFORD GROUP TRUSTEES LTD - ------------------------------------------------------------------------------------------------ RAINFORD RACKS LTD - ------------------------------------------------------------------------------------------------ RELTEC (COVENTRY) LTD - ------------------------------------------------------------------------------------------------ ROBERT STEPHENSON & HAWTHORNS LTD - ------------------------------------------------------------------------------------------------ THE ROTARY ENGINEERING COMPANY LIMITED - ------------------------------------------------------------------------------------------------ SALPLEX LTD - ------------------------------------------------------------------------------------------------ STYLES & MEALING LIMITED - ------------------------------------------------------------------------------------------------ TCL PROJECTS LIMITED - ------------------------------------------------------------------------------------------------ ZIPBOND LTD - ------------------------------------------------------------------------------------------------ THE VULCAN FOUNDRY LTD - ------------------------------------------------------------------------------------------------ TRADING SUBSIDIARIES (OTHERS) - ------------------------------------------------------------------------------------------------ ASSOCIATED ELECTRICAL INDUSTRIES INTERNATIONAL LIMITED - ------------------------------------------------------------------------------------------------ FORE SYSTEMS LIMITED - ------------------------------------------------------------------------------------------------ GPT MIDDLE EAST LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS (CIS) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI FINANCE PLC - ------------------------------------------------------------------------------------------------ MARCONI FLEET MANAGEMENT LIMITED - ------------------------------------------------------------------------------------------------ 49 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ MARCONI INFORMATION SYSTEMS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (NCP) LIMITED - ------------------------------------------------------------------------------------------------ NETSCIENT LIMITED - ------------------------------------------------------------------------------------------------ NORTHWOOD TECHNOLOGIES LIMITED - ------------------------------------------------------------------------------------------------ TELEPHONE CABLES LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS INTERNATIONAL LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS CHINA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS INTERNATIONAL HOLDINGS LIMITED - ------------------------------------------------------------------------------------------------ BRUTON STREET OVERSEAS INVESTMENTS LIMITED - ------------------------------------------------------------------------------------------------ BRUTON STREET PARTNERSHIP - ------------------------------------------------------------------------------------------------ MARCONI INDIA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (THIRTY-ONE) LIMITED - ------------------------------------------------------------------------------------------------ HIGHROSE LIMITED - ------------------------------------------------------------------------------------------------ ANCRANE LIMITED - ------------------------------------------------------------------------------------------------ WOODS OF COLCHESTER HOUSING SOCIETY LIMITED - ------------------------------------------------------------------------------------------------ MARCONI INSURANCE LIMITED - ------------------------------------------------------------------------------------------------ TETREL LIMITED - ------------------------------------------------------------------------------------------------ RELTEC SERVICES (UK) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI ANSTY LIMITED - ------------------------------------------------------------------------------------------------ 50 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ MARCONI NOMINEES LIMITED - ------------------------------------------------------------------------------------------------ YESLINK UNLIMITED - ------------------------------------------------------------------------------------------------ ELLIOT AUTOMATION CONTINENTAL SA - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL NOMINEES LIMITED - ------------------------------------------------------------------------------------------------ MARCONI DEFENSE OVERSEAS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS GLOBAL NETWORKS LIMITED - ------------------------------------------------------------------------------------------------ MARCONICOM LIMITED - ------------------------------------------------------------------------------------------------ MICRO SCOPE LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS INTERNATIONAL INVESTMENTS LIMITED - ------------------------------------------------------------------------------------------------ GPT (NEDERLAND) BV - ------------------------------------------------------------------------------------------------ GEC OF PAKISTAN LIMITED - ------------------------------------------------------------------------------------------------ GEC ZAMBIA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS AB - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS BVBA - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS SARL - ------------------------------------------------------------------------------------------------ MARCONI CHANNEL MARKETS GMBH - ------------------------------------------------------------------------------------------------ AEI FURNACES PTY LTD - ------------------------------------------------------------------------------------------------ HARMAN INFORMATION TECHNOLOGY PTY LTD - ------------------------------------------------------------------------------------------------ MARCONI NEW ZEALAND LIMITED - ------------------------------------------------------------------------------------------------ 51 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED TO PLC OWED TO CORP - ------------------------------------------------------------------------------------------------ MARCONI TELECOMMUNICATIONS INDIA PRIVATE LTD - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (AUSTRALIA) PTY LTD - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (HONG KONG) LIMITED - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (INDIA) PRIVATE LIMITED - ------------------------------------------------------------------------------------------------ MARCONI ACQUISITION CORP - ------------------------------------------------------------------------------------------------ MARCONI FINANCE INC. - ------------------------------------------------------------------------------------------------ NORTHWOOD TECHNOLOGIES INC. - ------------------------------------------------------------------------------------------------ APT NEDERLANDS BV - ------------------------------------------------------------------------------------------------ APT TELECOMMUNICIONES SL - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL AB - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL BRASIL LTDA - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (FRANCE) SA - ------------------------------------------------------------------------------------------------ MARCONI PROJECTS HONG KONG LTD - ------------------------------------------------------------------------------------------------ 52 PART 2 OTHER PRESERVED CLAIMS OWED BY CORP AND PLC OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ TRADING COMPANIES (MATERIAL) - ------------------------------------------------------------------------------------------------ ALBANY PARTNERSHIP LIMITED - ------------------------------------------------------------------------------------------------ GPT SPECIAL PROJECT MANAGEMENT TRADING BALANCE TRANSFERRED LIMITED TO CORP ON DISPOSAL OF MOBILE BUSINESS - L84,495.04 - ------------------------------------------------------------------------------------------------ MARCONI BONDING LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS INVESTMENTS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS LIMITED (IRELAND) - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS LIMITED Trading balance transferred (UK) to Corp on disposal of Mobile business L1,383,897.73 - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS OPTICAL NETWORKS LIMITED (IRELAND) - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS OVERSEAS SERVICES LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS SOUTH AFRICA PTY LIMITED - ------------------------------------------------------------------------------------------------ MARCONI OPTICAL COMPONENTS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI CORPORATION PLC EXCHANGE AGREEMENT - PURCHASE OF SHARES IN SYSTEMS MANAGEMENT SPECIALISTS, INC. in - ------------------------------------------------------------------------------------------------ 53 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ exchange for shares in Marconi plc (22nd May, 2000) with a follow-up share sale agreement from plc to Corp - ------------------------------------------------------------------------------------------------ Outstanding liabilities as follows: 1. minimal capacity, trading and regulatory warranties; 2. certain covenants; and 3. indemnity given to Miguel Winder for any losses, damages, costs etc incurred in connection with the breach of any representation, warranty or covenant. Following on from the first share sale agreement, plc entered into an agreement for the sale and purchase of shares in Systems Management Specialists, Inc. with Corp under which the obligations under the original agreement were mirrored between purchaser and seller in the intra-group sale agreement. (18th July, 2000). SHARE SALE AND PURCHASE AGREEMENT RELATING TO THE ACQUISITION OF ALBANY PARTNERSHIP LIMITED from AJC Elliman, Andrew Jones and Dolphin Head Group Holdings Plc to Plc ("Vendors") (28th July, 2000) with a follow-up intra group share sale agreement from Plc to Corp. Liabilities outstanding as follows: 1. Plc warrants to the Vendors, their estates and PRs that at the date of the Agreement: - ------------------------------------------------------------------------------------------------ 54 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ (a) it is a corporation duly incorporated and validly existing under the laws of England and Wales; (b) it has the corporate power to perform all its obligations under and as envisaged by the Agreement; (c) the execution or performance of the Agreement by Plc does not contravene any provision of its memorandum or articles of association or any agreement created by Plc or any law; and (d) Plc has full power and has procured all corporate consents for the execution and performance by it of the Agreement, which has been executed in compliance with its constitutional documents and applicable law. Under a related Tax Deed dated 28th July, 2000, Plc covenants to pay on demand to the Vendors, their estates and PRs an amount equal to the amount of any liability of the Vendors or any Company prior to Completion: (a) pursuant to section 767A, 767AA and 767B Taxes Act by reason of the failure of the Company to disclose a liability to corporation tax; and (b) which results from the Vendors or such other company being treated as a member of the same group as a Company for VAT purposes during any prescribed accounting period which was current at Completion. Under a Share Sale - ----------------------------------------------------------------------------------------------- 55 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ Agreement (undated) Plc sold its shares in Albany Partnership Limited to Corp and the various obligations contained in the original sale agreement were mirrored between purchaser and seller in the intra-group sale agreement. ACQUISITION OF MARIPOSA TECHNOLOGY, INC BY WAY OF MERGER WITH MARCONI ACQ. (20th September, 2000) It appears the liabilities under this acquisition were assigned to Corp from PLC on 18th October, 2000 pursuant to an Assignment Agreement, but under the assignment clause, Plc still remains liable. Liabilities outstanding as follows: 1. indemnity to selling stockholders for costs, losses, damages etc arising in respect of breaches of representations or warranties in the merger agreement/other documents; 2. limited warranties given (along with Marconi Acquisition Sub) re organisation, consents and approvals, capitalisation and various mechanical/admin steps; and 3. bonus payments under two employment contracts plus indemnity for income tax assessed on these employees in respect of certain employee share options. - ------------------------------------------------------------------------------------------------ 56 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ MARCONI PLC Balance owed to plc by Corp of L195k arising from disposal of Mobile business. Plc has no record of debt and as such it is being written back to capital projects in March 2003 - ------------------------------------------------------------------------------------------------ MARCONI SOFTWARE SOLUTIONS LIMITED - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE TRADING BALANCE TRANSFERRED TO INTERNATIONAL LIMITED CORP ON DISPOSAL OF MOBILE BUSINESS L275,201.27 - ------------------------------------------------------------------------------------------------ RONALDI LTD - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS SA (FRANCE) - ------------------------------------------------------------------------------------------------ MNI TECNOLOGIASE E SISTEMAS DE COMMUNICACAO SA - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS B.V. (NETHERLANDS) - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS GMBH (GERMANY) - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS REAL ESTATE GMBH - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS SOFTWARE SYSTEMS GMBH & CO KG - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS SOFTWARE SYSTEMS VER. GMBH - ------------------------------------------------------------------------------------------------ BEIJING MARCONI COMMUNICATIONS TECHNOLOGY CO LTD - ------------------------------------------------------------------------------------------------ GEC (HONG KONG) LIMITED - ------------------------------------------------------------------------------------------------ 57 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ MARCONI AUSTRALIA PTY LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS ASIA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS SOUTH SGD 6,292.37 (EQUIVALENT TO EAST ASIA PTE LTD GBP 2,253.39 AS AT 31.12.02) (balance transferred from Marconi Mobile as a result of the Strategic Comms disposal on 2nd Aug 02) - ------------------------------------------------------------------------------------------------ THE GENERAL ELECTRIC COMPANY SGD 491,596.93 (EQUIVALENT OF SINGAPORE PRIVATE LIMITED TO GBP 176,048.18 AS AT (NOW KNOWN AS MARCONI 31/12/02) SINGAPORE PTE LTD) MYR 118,283.80 (EQUIVALENT TO GBP 19,335.00 AS AT 31/12/02) (balance transferred from Marconi Mobile as a result of the Strategic Comms disposal) - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONSSPA 1,610,899.96 Balance due by corp to Marconi Communications Spa as per debt agreement 31st July 2002.(Project Saturn) - ------------------------------------------------------------------------------------------------ MARCONI IBERIA SA - ------------------------------------------------------------------------------------------------ MARCONI MOBILE ACCESS SPA - ------------------------------------------------------------------------------------------------ MARCONI SUD SPA 1,592,156.72 fsAmount paid by Jabil Scotland to Corp but due to Marconi Sud Spa on 24th h December 2001 as Final Adjustment. - ------------------------------------------------------------------------------------------------ 58 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ MARCONI INTERNATIONAL SPA - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS DE MEXICO SA DE CV - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS TELEMULTI LIMITADA - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS DO BRASIL LTDA - ------------------------------------------------------------------------------------------------ FORE SYSTEMS LIMITADA - ------------------------------------------------------------------------------------------------ MARCONI COLUMBIA SA - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS ARGENTINA SA - ------------------------------------------------------------------------------------------------ MARCONI VENEZUELA CA - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS OPTICAL NETWORKS CORP - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS 2,612,607.34 TECHNOLOGY INC - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS CANADA INC - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS FEDERAL INC - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS INC 4,710,771.52 - ------------------------------------------------------------------------------------------------ MARCONI INC - ------------------------------------------------------------------------------------------------ MARCONI SOFTWARE INTERNATIONAL INC - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (US) INC - ------------------------------------------------------------------------------------------------ SYSTEMS MANAGEMENT SPECIALISTS INC - ------------------------------------------------------------------------------------------------ 59 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ MARCONI MIDDLE EAST (SAUDI ARABIA) - ------------------------------------------------------------------------------------------------ MARCONI MIDDLE EAST LLC (DUBAI) - ------------------------------------------------------------------------------------------------ MARCONI APPLIED TECNOLOGIES SA - ------------------------------------------------------------------------------------------------ SNC COMPOSANTS & CIE - ------------------------------------------------------------------------------------------------ NON-TRADING SUBSIDIARIES - ------------------------------------------------------------------------------------------------ MARCONI PROPERTY LTD - ------------------------------------------------------------------------------------------------ ASSOCIATED ELECTRICAL INDUSTRIES LIMITED - ------------------------------------------------------------------------------------------------ BRUTON STREET INVESTMENTS LIMITED - ------------------------------------------------------------------------------------------------ EA CONTINENTAL LIMITED - ------------------------------------------------------------------------------------------------ ELLIOTT-AUTOMATION HOLDINGS LIMITED - ------------------------------------------------------------------------------------------------ THE ENGLISH ELECTRIC COMPANY, LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (BRUTON STREET) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (HOLDINGS) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI AEROSPACE UNLIMITED - ------------------------------------------------------------------------------------------------ MARCONI CAPITAL LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS AFRICA (PTY) LIMITED - ------------------------------------------------------------------------------------------------ 60 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS HOLDINGS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (DGP1) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (DGP2) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (ELLIOTT AUTOMATION) LIMITED - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS INTERNATIONAL HOLDINGS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS GMBH (SWITZERLAND) - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS HOLDINGS GMBH (GERMANY) - ------------------------------------------------------------------------------------------------ ASSOCIATED ELECTRICAL INDUSTRIES LTD (NOW KNOWN AS MARCONI AUSTRALIA HOLDINGS PTY LIMITED) - ------------------------------------------------------------------------------------------------ MARCONI HOLDINGS SPA 640,519.77 Balance due by corp to Marconi Holdings Spa as per debt agreement of 31st July 2002 (Project Saturn) - ------------------------------------------------------------------------------------------------ RELTEC MEXICO SA DE CV (NOW KNOWN AS MARCONI COMMUNICATIONS, S.A. DE C.V.) - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS LIMITED (CANADA) - ------------------------------------------------------------------------------------------------ FS FINANCE CORP - ------------------------------------------------------------------------------------------------ FS HOLDING CORP - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS NORTH AMERICA INC. - ------------------------------------------------------------------------------------------------ 61 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS CANADA HOLDINGS INC. - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS HOLDINGS INC. - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL INC. - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS LIMITED (BERMUDA) - ------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------ DORMANT SUBSIDIARIES - ------------------------------------------------------------------------------------------------ A.B. DICK HOLDINGS LTD SETTLEMENT AND RELEASE AGREEMENT IN RELATION TO THE DISPOSAL OF THE VIDEOJECT COMPANIES (G.1.35) (Index ref: G.1.114) The definition of Marconi in this Agreement includes Corp, A. B. Dick Holdings Limited and Marconi, Inc. Marconi is solely responsible for the payment to any taxing authority of the amount of UK Value Added Taxes owed by the Videojet Companies to Marconi and attributable to the stub period from 1st December, 2001 to 5th February, 2002. - ------------------------------------------------------------------------------------------------ ARROW LTD - ------------------------------------------------------------------------------------------------ ASSOCIATED AUTOMATION LTD - ------------------------------------------------------------------------------------------------ ASSOCIATED ELECTRICAL INDUSTRIES HOLDINGS LTD - ------------------------------------------------------------------------------------------------ 62 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ ASSOCIATED ELECTRICAL INDUSTRIES (MANCHESTER) LTD - ------------------------------------------------------------------------------------------------ CLANVILLE LIMITED - ------------------------------------------------------------------------------------------------ COMBINED ELECTRICAL MANUFACTURERS LTD - ------------------------------------------------------------------------------------------------ COPPENHALL NOMINEES LIMITED - ------------------------------------------------------------------------------------------------ DAYMO LTD - ------------------------------------------------------------------------------------------------ FF CHRESTIAN & CO LTD - ------------------------------------------------------------------------------------------------ GPT CONSUMER PRODUCTS LTD - ------------------------------------------------------------------------------------------------ GPT PAYPHONE SYSTEMS LTD - ------------------------------------------------------------------------------------------------ GPT RELIANCE LTD - ------------------------------------------------------------------------------------------------ THE KINGSWAY HOUSING ASSOCIATION LTD - ------------------------------------------------------------------------------------------------ KRAYFORD LTD - ------------------------------------------------------------------------------------------------ LARNERWAY LTD - ------------------------------------------------------------------------------------------------ LAYANA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI CASWELL DEVELOPMENTS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS OPTICAL FIBRES LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (FIFTEEN) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (FIFTY-NINE) LTD - ------------------------------------------------------------------------------------------------ MARCONI (FIFTY-THREE) LTD - ------------------------------------------------------------------------------------------------ MARCONI (FORTY-FIVE) LIMITED - ------------------------------------------------------------------------------------------------ 63 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ MARCONI (FORTY-FOUR) LTD - ------------------------------------------------------------------------------------------------ MARCONI (FORTY-THREE) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI G.M. LIMITED - ------------------------------------------------------------------------------------------------ MARCONI MOBILE SYSTEMS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (NINE) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI PHOTONICA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (SIXTEEN) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (SIXTY-NINE) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (SIXTY-TWO) LTD - ------------------------------------------------------------------------------------------------ MARCONI (THIRTEEN) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (THIRTY-TWO) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (TLC) LTD - ------------------------------------------------------------------------------------------------ MARCONI (TWENTY-SEVEN) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (WCGL) UNLIMITED - ------------------------------------------------------------------------------------------------ MCMICHAEL LIMITED - ------------------------------------------------------------------------------------------------ METROPOLITAN-VICKERS ELECTRICAL CO LTD - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS GROUP LTD - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS (HOLDINGS) LTD - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS SERVICES LTD - ------------------------------------------------------------------------------------------------ 64 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ MOBILE SYSTEMS (UK) LTD - ------------------------------------------------------------------------------------------------ THE M-O VALVE CO LTD - ------------------------------------------------------------------------------------------------ MSI CELLULAR INVESMTNETS (ONE) LTD - ------------------------------------------------------------------------------------------------ PALMAZ LTD - ------------------------------------------------------------------------------------------------ PHOTONICA LIMITED - ------------------------------------------------------------------------------------------------ PHOTONIQA LIMITED - ------------------------------------------------------------------------------------------------ PYFORD LIMITED - ------------------------------------------------------------------------------------------------ RAINFORD GROUP TRUSTEES LTD - ------------------------------------------------------------------------------------------------ RAINFORD RACKS LTD - ------------------------------------------------------------------------------------------------ RELTEC (COVENTRY) LTD - ------------------------------------------------------------------------------------------------ ROBERT STEPHENSON & HAWTHORNS LTD - ------------------------------------------------------------------------------------------------ THE ROTARY ENGINEERING COMPANY LIMITED - ------------------------------------------------------------------------------------------------ SALPLEX LTD - ------------------------------------------------------------------------------------------------ STYLES & MEALING LIMITED - ------------------------------------------------------------------------------------------------ TCL PROJECTS LIMITED - ------------------------------------------------------------------------------------------------ ZIPBOND LTD - ------------------------------------------------------------------------------------------------ THE VULCAN FOUNDRY LTD - ------------------------------------------------------------------------------------------------ TRADING SUBSIDIARIES (OTHERS) - ------------------------------------------------------------------------------------------------ ASSOCIATED ELECTRICAL INDUSTRIES INTERNATIONAL LIMITED - ------------------------------------------------------------------------------------------------ FORE SYSTEMS LIMITED - ------------------------------------------------------------------------------------------------ GPT MIDDLE EAST LIMITED - ------------------------------------------------------------------------------------------------ 65 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS (CIS) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI FINANCE PLC - ------------------------------------------------------------------------------------------------ MARCONI FLEET MANAGEMENT LIMITED - ------------------------------------------------------------------------------------------------ MARCONI INFORMATION SYSTEMS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (NCP) LIMITED - ------------------------------------------------------------------------------------------------ NETSCIENT LIMITED - ------------------------------------------------------------------------------------------------ NORTHWOOD TECHNOLOGIES LIMITED - ------------------------------------------------------------------------------------------------ TELEPHONE CABLES LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS INTERNATIONAL LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS CHINA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS INTERNATIONAL HOLDINGS LIMITED - ------------------------------------------------------------------------------------------------ BRUTON STREET OVERSEAS INVESTMENTS LIMITED - ------------------------------------------------------------------------------------------------ BRUTON STREET PARTNERSHIP - ------------------------------------------------------------------------------------------------ MARCONI INDIA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI (THIRTY-ONE) LIMITED - ------------------------------------------------------------------------------------------------ HIGHROSE LIMITED - ------------------------------------------------------------------------------------------------ ANCRANE LIMITED - ------------------------------------------------------------------------------------------------ WOODS OF COLCHESTER HOUSING SOCIETY LIMITED - ------------------------------------------------------------------------------------------------ MARCONI INSURANCE LIMITED - ------------------------------------------------------------------------------------------------ 66 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ TETREL LIMITED - ------------------------------------------------------------------------------------------------ RELTEC SERVICES (UK) LIMITED - ------------------------------------------------------------------------------------------------ MARCONI ANSTY LIMITED - ------------------------------------------------------------------------------------------------ MARCONI NOMINEES LIMITED - ------------------------------------------------------------------------------------------------ YESLINK UNLIMITED - ------------------------------------------------------------------------------------------------ ELLIOT AUTOMATION CONTINENTAL SA - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL NOMINEES LIMITED - ------------------------------------------------------------------------------------------------ MARCONI DEFENSE OVERSEAS LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS GLOBAL NETWORKS LIMITED - ------------------------------------------------------------------------------------------------ MARCONICOM LIMITED - ------------------------------------------------------------------------------------------------ MICRO SCOPE LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS INTERNATIONAL INVESTMENTS LIMITED - ------------------------------------------------------------------------------------------------ GPT (NEDERLAND) BV - ------------------------------------------------------------------------------------------------ GEC OF PAKISTAN LIMITED - ------------------------------------------------------------------------------------------------ GEC ZAMBIA LIMITED - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS AB - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS BVBA - ------------------------------------------------------------------------------------------------ MARCONI COMMUNICATIONS SARL - ------------------------------------------------------------------------------------------------ MARCONI CHANNEL MARKETS GMBH - ------------------------------------------------------------------------------------------------ 67 OTHER LIABILITIES (Excluding trading and current account liabilities) - ------------------------------------------------------------------------------------------------ OWED BY PLC OWED BY CORP - ------------------------------------------------------------------------------------------------ AEI FURNACES PTY LTD - ------------------------------------------------------------------------------------------------ HARMAN INFORMATION TECHNOLOGY PTY LTD - ------------------------------------------------------------------------------------------------ MARCONI NEW ZEALAND LIMITED - ------------------------------------------------------------------------------------------------ MARCONI TELECOMMUNICATIONS INDIA PRIVATE LTD - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (AUSTRALIA) PTY LTD - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (HONG KONG) LIMITED - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (INDIA) PRIVATE LIMITED - ------------------------------------------------------------------------------------------------ MARCONI ACQUISITION CORP - ------------------------------------------------------------------------------------------------ MARCONI FINANCE INC. - ------------------------------------------------------------------------------------------------ NORTHWOOD TECHNOLOGIES INC. - ------------------------------------------------------------------------------------------------ APT NEDERLANDS BV - ------------------------------------------------------------------------------------------------ APT TELECOMMUNICIONES SL - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL AB - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL BRASIL LTDA - ------------------------------------------------------------------------------------------------ METAPATH SOFTWARE INTERNATIONAL (FRANCE) SA - ------------------------------------------------------------------------------------------------ MARCONI PROJECTS HONG KONG LTD - ------------------------------------------------------------------------------------------------ 68 SCHEDULE 4 ACCESSION LETTER To: Marconi plc, Marconi Corporation plc and each other party to the Statement and Waiver Agreement referred to below From: [NAME OF PARTICIPATING COMPANY] (the ACCEDING COMPANY)] Dated: Dear Sirs, We refer to the Statement and Waiver of Intercompany Balances dated [ ] and entered into by, inter alios, Marconi plc, Marconi Corporation plc, and each of the Participating Companies (defined therein), (the STATEMENT AND WAIVER AGREEMENT). This is an Accession Letter. Terms defined in the Statement and Waiver Agreement have the same meaning in this Accession Letter. 1. ACCESSION The Acceding Company agrees to accede to the Statement and Waiver Agreement as a [Trading Company/Non-Trading Company/Dormant Company]* and to be bound by the terms of the Statement and Waiver Agreement and undertakes to perform all the obligations expressed in the Statement and Waiver Agreement to be assumed by a [Trading Company/Non-Trading Company/Dormant Company]* and agrees to be bound by all the provisions of the Statement and Waiver Agreement, as if it were an original party to the Statement and Waiver Agreement and that all the obligations assumed by it under the Statement and Waiver Agreement are legal, valid and binding. 2. STATEMENT OF INTRA-GROUP LOANS 2.1 INTRA-GROUP LOANS OWED BY THE ACCEDING COMPANY Corp and plc each confirms, to the best of its knowledge and belief, that the loan balances set out opposite its name in Part 1 of Schedule 2 (Intra-group loans owed by Participating Companies) to the Statement and Waiver Agreement are all of the loans which were owing to it by the Acceding Company as at 31st December, 2002. 2.2 INTRA -GROUP LOANS OWED BY CORP AND PLC The Acceding Company confirms, to the best of its knowledge and belief, that the loan balances set out opposite its name in Part 2 of Schedule 2 (Intra-group loans owed by Corp and plc) to the Statement and Waiver Agreement are all of the loans which were owing to it by Corp or plc as at 31st December, 2002. - ------------------------ * Delete as applicable 69 3. ACKNOWLEDGEMENT OF LIABILITIES 3.1 ACKNOWLEDGEMENT BY CORP AND PLC Each of Corp and plc acknowledges and confirms its liability in respect of: (a) the loan balances set out in Part 2 of Schedule 2 (Intra-group loans owed by Corp and plc) to the Statement and Waiver Agreement and expressed to be owing by it; (b) the trading and current account liabilities expressed to be owing by it to the Acceding Company in the management accounts upon which the audited consolidated financial accounts of plc as at [31st March, 2002] [in relation to each Trading and each Non-Trading Company] / 30th September, 2002] [in relation to each Dormant Company] have been prepared, to the extent such trading and current account liabilities remain outstanding; (c) any counter indemnity or equivalent reimbursement obligation (which is written or is implied by law) of Corp and/or plc to the Acceding Company under any non-financial guarantee or indemnity (which is contractual or implied by law) and which is given by such Acceding Company and is: (A) in favour of any person which is not a member of the Marconi Group; (B) in respect of any contractual or implied by law obligations of Corp and/or plc and (C) set out in Part 2 of Schedule 5 (non-financial guarantees and indemnities given by Participating Companies) to the Statement and Waiver Agreement; and (d) the other preserved Claims set out in Part 2 of Schedule 3 (Other preserved Claims owed by Corp and plc) to the Statement and Waiver Agreement expressed to be owing by it. 3.2 ACKNOWLEDGEMENT BY ACCEDING COMPANY The Acceding Company acknowledges and confirms its liability in respect of: (a) the loan balances set out in Part 1 of Schedule 2 (Intra-group loans owed by the Participating Companies) to the Statement and Waiver Agreement and expressed to be owing by it; (b) the trading and current account liabilities and expressed to be owing by it to plc and/or Corp in the management accounts upon which the audited consolidated financial accounts of plc as at [31st March, 2002] [in relation to each Trading and each Non-Trading Company] / 30th September, 2002] [in relation to each Dormant Company] have been prepared, to the extent such trading and current account liabilities remain outstanding; (c) any counter indemnity or equivalent reimbursement obligation (which is written or is implied by law) of the Acceding Company to Corp and/or plc under any non-financial guarantee or indemnity (which is contractual or implied by law) and which is given by Corp and/or plc and is: (A) in favour of any person which is not a member of the Marconi Group; (B) in respect of any contractual or implied by law obligations of that Acceding Company and (C) set out in Part 1 of Schedule 5 (non-financial guarantees and indemnities given by Corp or plc) to the Statement and Waiver Agreement; and (d) the other preserved Claims set out in Part 1 of Schedule 3 (Other preserved Claims owed by Participating Companies) to the Statement and Waiver Agreement expressed to be owing by it. 4. GENERAL This Accession Letter is governed by English law. 70 This Accession Letter is entered into by Agreement. SIGNED by ) for [INSERT NAME] ) ) Address: Fax: SIGNED by ) for MARCONI ) CORPORATION PLC ) SIGNED by ) for MARCONI PLC ) 71 SCHEDULE 5 NON-FINANCIAL GUARANTEES AND INDEMNITIES PART 1 NON-FINANCIAL GUARANTEES AND INDEMNITIES GIVEN BY CORP OR PLC OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- TRADING COMPANIES (MATERIAL) - ----------------------------------------------------------------------------------------------- ALBANY PARTNERSHIP LIMITED - ----------------------------------------------------------------------------------------------- GPT SPECIAL PROJECT MANAGEMENT LIMITED - ----------------------------------------------------------------------------------------------- MARCONI BONDING LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INVESTMENTS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (IRELAND) - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (UK) - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OPTICAL NETWORKS LIMITED (IRELAND) - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OVERSEAS SERVICES LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOUTH AFRICA PTY LIMITED - ----------------------------------------------------------------------------------------------- MARCONI OPTICAL COMPONENTS SALE OF MARCONI OPTICAL LIMITED BUSINESS TO BOOKHAM TECHNOLOGY PLC (17th December, 2001, supplemental agreement dated 31st January, 2002) Corp guaranteed: Marconi Optical's - ----------------------------------------------------------------------------------------------- 72 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- undertaking to purchase a minimum of L30m of components from Bookham over 18 months from February, 2002. Out of the L27 million still outstanding, it is estimated that the business plan can justify only half being purchased in that time frame, with the balance to be paid out to Bookham; all other obligations of Marconi Optical under the Agreement, Transfer of Freehold Property and certain payment obligations under a Supply Agreement. Corp also indemnified Bookham against any costs incurred in ensuring compliance with the above agreements. Marconi Optical gave usual warranties (limited to awareness of Corp). Total liability of Marconi Optical and Corp shall not exceed L12 million, excluding an environmental indemnity claim which (when aggregated with all other claims) shall not exceed L24 million. Maximum liability under environmental remediation works is L500,000, plus effect of pay-out under minimum purchasing undertaking. - ----------------------------------------------------------------------------------------------- MARCONI CORPORATION PLC SALE OF THE SHARE CAPITAL OF YESLINK INTERCO LTD. AND YESLINK UNLIMITED TO PRUDENTIAL Indemnity by PLC in respect of all costs, expenses and liabilities - ----------------------------------------------------------------------------------------------- 73 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- incurred to the extent that Corp did not meet its obligations under the Trade Mark Assignment. Trade mark indemnity is uncapped. SALE OF MARCONI MEDICAL SYSTEMS HOLDINGS, INC. (3rd July, 2000) According to Marconi, Plc guaranteed the Seller's obligations under this agreement. On 15th July, 2002, Corp, Marconi, Inc. (as successor to Marconi Holding Systems, Inc.) and Philips entered into a Final Settlement Agreement. Under this Agreement, the purchase price was adjusted to US$837 million. The value of the Closing Net Assets was agreed to be US$755 million. Marconi paid Philips US$12 million on 19th July, 2002 and was released from liabilities in relation to the warranty in respect of the non-US Vendor Debt (Latin American debt) which was rescinded and in relation to the indemnity for breach of representation. US$8 million of this was in full satisfaction of Marconi's payment obligations under the Stock Purchase Agreement. The tax indemnity under the Stock Purchase Agreement remains in effect, including in respect of the tax liabilities that could have been included in determining the Closing Net Assets. - ----------------------------------------------------------------------------------------------- 74 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- Following the Final Settlement Agreement, estimated liability is US$15.3 million (being approx. L10 million). DISPOSAL OF MARCONI DATA SYSTEMS INC, MARCONI DATA SYSTEMS LIMITED, MARCONI DATA SYSTEMS EUROPE B.V. AND MARCONI DATA SYSTEMS B.V. (10th January, 2002) Sellers were Marconi Systems Holdings, Inc. (now Marconi, Inc.) and A.B. Dick Holdings. Corp was a joint-Seller. Plc guaranteed all the obligations of the Sellers and warranted its status, authority and non-violation of any obligation in providing the guarantee. Note that the Sellers have given extensive warranties (on an indemnified basis), which are all still in force: 1. usual warranties on an indemnified basis; 2. tax warranties; 3. environmental warranties; and 4. incorporation, authority, shares and capital stock warranties. Total not to exceed US$100 million (US$100 million is 25% of purchase price). - ----------------------------------------------------------------------------------------------- 75 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- SALE OF MARCONI COMMERCE SYSTEMS, INC. AND MARCONI COMMERCE SYSTEMS LIMITED (20th December, 2001) Plc guaranteed the obligations of the sellers. Corp is a Joint seller with Marconi Systems Holdings, Inc. (now Marconi, Inc.) (the "SELLERS"). Capped at 25% of the Adjusted Purchase Price (25% is approx. US$81.25 million). - ----------------------------------------------------------------------------------------------- MARCONI PLC - ----------------------------------------------------------------------------------------------- MARCONI SOFTWARE SOLUTIONS THE EASAMS AGREEMENT UNDER THE LIMITED DISPOSAL OF MES BUSINESS TO BRITISH AEROSPACE PLC ("BAE"). (1st November, 1999) PLC guarantees various obligations. - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE AGREEMENT AND PLAN OF MERGER INTERNATIONAL LIMITED BETWEEN MARCONI AND METAPATH (17th April, 2000) Indemnity given to officers/directors/employees as at time of merger for acts/omissions by them occurring at or prior to date of merger. - ----------------------------------------------------------------------------------------------- RONALDI LTD - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SA (FRANCE) - ----------------------------------------------------------------------------------------------- MNI TECNOLOGIASE E SISTEMAS DE COMMUNICACAO SA - ----------------------------------------------------------------------------------------------- 76 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS B.V. (NETHERLANDS) - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS GMBH Corp and Marconi Communications Corp and Marconi (GERMANY) as joint and several guarantors Communications Ltd as joint of MC GmbH jointly and severally and several guarantors of MC with Marconi Communications Real GmbH jointly and severally Estate GmbH under the purchase with Marconi Communications of the P1 Business from Robert Real Estate GmbH under the Bosch GmbH ("RB GMBH") and Bosch purchase of the P1 Business Telecom GmbH ("BT GMBH")dated from Robert Bosch GmbH ("RB 14th November, 1999. GmbH") and Bosch Telecom GmbH ("BT GmbH") dated 14th November, 1999. Each Guarantor undertook to Each Guarantor undertook to perform jointly and severally perform jointly and severally with the Purchaser all with the Purchaser all obligations of the Purchaser obligations of the Purchaser under the agreement. Corp agreed under the agreement. Corp to procure that the new ultimate agreed to procure that the parent of the Marconi Group new ultimate parent of the under the 1999 Scheme of Marconi Group under the 1999 Arrangement [PLC] would become Scheme of Arrangement [PLC] an additional Guarantor as soon would become an additional as practicable after signing. Guarantor as soon as practicable after signing - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS REAL PURCHASE OF P1 BUSINESS (24th PURCHASE OF P1 BUSINESS (24th ESTATE GMBH November, 1999) Corp, PLC and November, 1999) Corp, PLC and Marconi Communications Limited Marconi Communications are guarantors of the Limited are guarantors of the obligations of Marconi obligations of Marconi Communications GmbH and Marconi Communications GmbH and Communications Real Estate GmbH. Marconi Communications Real Estate GmbH. Each Guarantor undertook to Each Guarantor undertook to perform jointly and severally perform jointly and severally with the Purchaser all with the Purchaser all obligations of the Purchaser obligations of the Purchaser under the agreement. Corp agreed under the agreement. Corp to procure that the new ultimate agreed to procure that the parent of the Marconi Group new ultimate parent of the under the 1999 Scheme of Marconi Group under the 1999 Arrangement would become Scheme of Arrangement would become - ----------------------------------------------------------------------------------------------- 77 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- an additional Guarantor as soon an additional Guarantor as as practicable after signing soon as practicable after [i.e. PLC]. signing [i.e. PLC]. - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOFTWARE SYSTEMS GMBH & CO KG - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOFTWARE SYSTEMS VER. GMBH - ----------------------------------------------------------------------------------------------- BEIJING MARCONI COMMUNICATIONS TECHNOLOGY CO LTD - ----------------------------------------------------------------------------------------------- GEC (HONG KONG) Corp guarantees GEC (HK) LIMITED Ltd's various obligations to: the HONG KONG GOVERNMENT under a MAINTENANCE CONTRACT FOR THE HONG KONG AIR TRAFFIC CONTROL SYSTEM for damage to premises, 3rd party IPR claims and defects in the Works [+ Corp undertakes not to assign or dispose etc. of any part of its shareholding in GEC (HK) which would affect the beneficial ownership and control of GEC (HK) by Corp or take any action that will result in GEC (HK) being unable to comply with its obligations under the contract]; NISHIMATSU CONSTRUCTION CO. AND KUMAGAI GUMI CO, LTD under a SUB-CONTRACT DATED 30/06/94 [Corp authorises Standard Chartered Bank Hong Kong to debit from it's a/c all amounts Standard Chartered pays under a HK$32,480,000 performance bond under this sub-contract]; - ----------------------------------------------------------------------------------------------- 78 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- NISHIMATSU CONSTRUCTION CO. LTD AND DRAGAGES ET TRAVAUX PUBLICS (H.K.) LTD IN A JOINT VENTURE UNDER A SUB-CONTRACT DATED 21/03/96 FOR THE ROUTE 3 COUNTRY PARK SECTION TAI LAM TUNNEL & YUEN LONG APPROACH ROAD [HK$23 million retention but also guarantee contains a clause limiting Corp's maximum liability to the sub-contract sum]; Performance Bond issued by Federal Insurance Company for the value : HK$47,479,800.00 is due outstanding THE AIRPORT AUTHORITY UNDER A SUB-CONTRACT DATED 31/01/97 [+ Corp undertakes not to assign or dispose etc. of any part of its shareholding in GEC (HK) which would affect the beneficial ownership and control of GEC (HK) by Corp or take any action that will result in GEC (HK) being unable to comply with its obligations under the contract] THE MASS TRANSIT RAILWAY CORPORATION UNDER A SUB-CONTRACT DATED 10/11/97: Mass Transit Railway Corporation under a Contract 690 for Quarry Bay Congestion Relief Works-Power Supply System. Performance Bond issued by Federal Insurance Co for HK$ 3,782,800.00 was returned for cancellation on 13 Feb 03. Parent Company Guarantee also returned - ----------------------------------------------------------------------------------------------- 79 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- MASS TRANSIT RAILWAY CORPORATION UNDER a Contract No. 674 , Tseung Kwan O Extension -Building Services for TKO Station and Tiu Keng Leng Station Performance Bond issued by Federal Insurance Company for the value : HK$19,280,000.00 THE DRAGAGES-ZEN PACIFIC JOINT VENTURE UNDER A SUB-CONTRACT DATED 03/08/99 for KCRC West Rail DB320 HONG KONG GOVERNMENT UNDER TWO CONTRACTS for Lantau Fixed Crossing Contracts for Traffic Control and Surveillance System Contract No. HY/92/24 ( Part N works, & HY/92/24 ( Part X & Y works) Performance Bonds are HK$25,581,080.00 and HK$5,007,605.00 issued by American Home Assurance Company - ----------------------------------------------------------------------------------------------- MARCONI AUSTRALIA PTY LIMITED Corp has issued letters of comfort to MAPL in respect of its business - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS ASIA LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOUTH EAST ASIA PTE LTD - ----------------------------------------------------------------------------------------------- THE GENERAL ELECTRIC COMPANY OF SINGAPORE PRIVATE LIMITED (NOW KNOWN AS MARCONI SINGAPORE PTE LTD) - ----------------------------------------------------------------------------------------------- 80 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONSSPA - ----------------------------------------------------------------------------------------------- MARCONI IBERIA SA - ----------------------------------------------------------------------------------------------- MARCONI MOBILE ACCESS SPA - ----------------------------------------------------------------------------------------------- MARCONI SUD SPA - ----------------------------------------------------------------------------------------------- MARCONI INTERNATIONAL SPA - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS DE MEXICO SA DE CV - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS TELEMULTI LIMITADA - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS DO BRASIL LTDA - ----------------------------------------------------------------------------------------------- FORE SYSTEMS LIMITADA - ----------------------------------------------------------------------------------------------- MARCONI COLUMBIA SA - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS ARGENTINA SA - ----------------------------------------------------------------------------------------------- MARCONI VENEZUELA CA - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OPTICAL NETWORKS CORP - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS TECHNOLOGY INC - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS CANADA INC - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS FEDERAL INC - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INC Global Procurement Agreement between Marconi Communications Inc. and Bookham Technology Plc. Marconi Corporation plc guarantees Marconi Communications Inc.'s - ----------------------------------------------------------------------------------------------- 81 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- obligations under this Global Procurement Agreement. The Global Procurement Agreement contains no warranties or indemnities, but states that except in relation to PI or death caused by negligence, cap in respect of any Purchase Order is limited to the greater of: (a) L10 million; or (b) the total purchase price paid for all products under this agreement at the date such a claim arises, except maximum liability in no event to exceed the minimum Purchase Commitments (L30 million). - ----------------------------------------------------------------------------------------------- MARCONI INC DISPOSAL OF MARCONI DATA SYSTEMS STOCK PURCHASE AGREEMENT INC, MARCONI DATA SYSTEMS RELATING TO SALE OF LIMITED, MARCONI DATA SYSTEMS OUTSTANDING SHARES IN A.B. EUROPE B.V. AND MARCONI DATA DICK COMPANY (19th December, SYSTEMS B.V. (10th January, 1996) 2002) Continuing an irrevocable Sellers were Marconi Systems guarantee given by Corp in Holdings, Inc. (now Marconi, favour of the Purchaser in Inc.) and A.B. Dick Holdings. consideration of $10. Corp was a joint-Seller. Guarantees the Seller's full and prompt performance and Plc guaranteed all the payment of all obligations of obligations of the Sellers and Seller under the stock warranted its status, authority purchase agreement and the and non-violation of any Assumption Agreement. obligation in providing the Guarantee only triggered by guarantee. Note that the Sellers Change of Control (another have given extensive warranties party acquires more than 50% (on an indemnified basis), "beneficial ownership" in the Seller's shares - other than Corp) or Seller does not satisfy its obligations under Purchase Agreement and also where Seller declares dividends, or - ----------------------------------------------------------------------------------------------- 82 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- which are all still in force: makes other distributions/payments to 1. usual warranties on an Corp or any of its indemnified basis; affiliates. Enforceable against Corp without need for 2. tax warranties; proceedings to have been implemented by Purchaser or 3. environmental warranties; and direct notice of non-performance etc. to Corp. 4. incorporation, authority, SALE OF MARCONI COMMERCE shares and capital stock SYSTEMS INC. AND MARCONI warranties. COMMERCE SYSTEMS LIMITED (20th December, 2001) Total not to exceed US$100 million (US$100 million is 25% Corp and Marconi Systems of purchase price). Holdings Inc. (now Marconi, Inc.) (the SELLERS) to DH Holdings Corp, Launchchange Limited and DH Holdings (the SALE OF MARCONI COMMERCE SYSTEMS PURCHASERS) INC. AND MARCONI COMMERCE SYSTEMS LIMITED (20th December, Capped at 25% of The Adjusted 2001) Purchase Price (25% is approx. US$81.25 million). ASSET TRANSFER AGREEMENT IN Plc guaranteed the obligations RESPECT OF THE HEALTHCARE of the Sellers. Corp is a Joint INFORMATION BUSINESS (BEING seller with Marconi Systems TRANSFERRED TO HCIS SUB) Holdings, Inc. (now Marconi, (17th October, 2001) Inc.) (the "SELLERS"). Corp, Marconi Systems Holdings, Inc. (now Marconi, Capped at 25% of the Adjusted Inc.) and Marconi Purchase Price (25% is approx. Communications Limited US$81.25 million). (called HCIS Sub) have jointly and severally SALE OF MARCONI MEDICAL SYSTEMS indemnified Marconi Medical HOLDINGS, INC. (3rd July, 2001) Systems U.K. Limited (sold to Koninklijke Philips Electronics) in Plc guaranteed the Sellers' obligations under this agreement jointly and severally with Marconi Systems Holdings, Inc (now Marconi, Inc.) (and possibly other subsidiaries). Cap is - ----------------------------------------------------------------------------------------------- 83 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- US$825 million. relation to any liability or obligation related to the Healthcare Information business (subject to the Stock Purchase Agreement). No cap. SETTLEMENT AND RELEASE AGREEMENT RELATING TO THE SALE OF MARCONI COMMERCE SYSTEMS LIMITED AND MARCONI COMMERCE SYSTEMS, INC between Launchchange Limited, DH Holdings Corp (together "Danaher"), Corp and Marconi, Inc. (7th August, 2002) Liability is capped at the available Holdback Amount except as provided in the Agreement - ----------------------------------------------------------------------------------------------- MARCONI SOFTWARE INTERNATIONAL INC - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (US) INC - ----------------------------------------------------------------------------------------------- SYSTEMS MANAGEMENT EXCHANGE AGREEMENT - PURCHASE OF SPECIALISTS INC SHARES IN SYSTEMS MANAGEMENT SPECIALISTS, INC. IN EXCHANGE FOR SHARES IN MARCONI PLC (22nd May, 2000) Outstanding liabilities as follows: 1. minimal capacity, trading and regulatory warranties; 2. certain covenants; and 3. indemnity given to Miguel Winder for any losses, damages, costs etc - ----------------------------------------------------------------------------------------------- 84 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- incurred in connection with the breach of representation, warranty or covenant. Plc's liability is capped at $12,750,000 but the indemnity will not be triggered unless the aggregate amount of its liability exceeds $300,000 in which case it must indemnify Miguel Winder for any damage in excess of $50,000. Plc will meet its indemnity obligation through the issue of additional common stock, valued in the same manner as the consideration for the Shares was valued. Following on from this, Plc entered into an agreement for the sale and purchase of shares in Systems Management Specialists, Inc. with Corp (18th July, 2000) - ----------------------------------------------------------------------------------------------- MARCONI MIDDLE EAST (SAUDI ARABIA) - ----------------------------------------------------------------------------------------------- MARCONI MIDDLE EAST LLC (DUBAI) - ----------------------------------------------------------------------------------------------- MARCONI APPLIED TECNOLOGIES SA - ----------------------------------------------------------------------------------------------- SNC COMPOSANTS & CIE - ----------------------------------------------------------------------------------------------- NON-TRADING SUBSIDIARIES - ----------------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES LIMITED - ----------------------------------------------------------------------------------------------- BRUTON STREET INVESTMENTS - ----------------------------------------------------------------------------------------------- 85 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- LIMITED - ----------------------------------------------------------------------------------------------- EA CONTINENTAL LIMITED - ----------------------------------------------------------------------------------------------- ELLIOTT-AUTOMATION HOLDINGS LIMITED - ----------------------------------------------------------------------------------------------- THE ENGLISH ELECTRIC COMPANY, LIMITED - ----------------------------------------------------------------------------------------------- Guarantee of approx. Guarantee of approx. MARCONI (BRUTON STREET) L353,050,000, re SALE OF L353,050,000, re SALE LIMITED MARCONI MOBILE HOLDINGS S.P.A BY OF MARCONI MOBILE HOLDINGS MARCONI (BRUTON STREET) LIMITED S.P.A BY MARCONI (BRUTON TO FINMECCANICA S.P.A. Currently STREET) LIMITED TO relates to Plc and Marconi FINMECCANICA S.P.A. Currently (Bruton Street) Limited, relates to Plc and Marconi however, relevant to Corp as (Bruton Street) Limited, part of the proposed however , relevant to Corp as restructuring. Concurrent with part of the proposed any Marconi Corporate restructuring. Concurrent Restructuring, Plc is to procure with any Marconi Corporate that the ultimate parent of Restructuring, Plc is to Marconi and the company owing procure that the ultimate all or substantially all of the parent of Marconi and the assets of the Marconi Group company owing all or immediately prior to the date of substantially all of the completion of the Marconi Group assets of the Marconi Group Restructuring [i.e. Corp] immediately prior to the date novates the Marconi Guarantee of completion of the Marconi under this deal [value: 57.7% of Group Restructuring [i.e. the Purchase Price (this amounts Corp] novates the Marconi to approx. L353,050,000, Guarantee under this deal subject to any completion [value: 57.7% of the Purchase adjustment)] to Corp [The cap Price (this amounts to of L353,050,000 excludes approx. L353,050,000, any matter regarding the Private subject to any completion Mobile Radio and Public Mobile adjustment)] to Corp [The cap Radio Business, the demergers of of L353,050,000 Marconi Holdings SpA and Marconi excludes any matter regarding Communications SpA and the the Private Mobile Radio and Closing Restructuring and any Public Mobile Radio Business, matter relating to capacity, the demergers of Marconi authority and title to the MMH Holdings SpA and Marconi Shares and the Communications SpA and the Closing Restructuring and any matter relating to capacity, authority and title to the MMH Shares and the - ----------------------------------------------------------------------------------------------- 86 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- shares in the MMH Subsidiaries.] shares in the MMH Subsidiaries.] - ----------------------------------------------------------------------------------------------- MARCONI (HOLDINGS) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI AEROSPACE UNLIMITED - ----------------------------------------------------------------------------------------------- MARCONI CAPITAL LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS AFRICA (PTY) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS HOLDINGS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (DGP1) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (DGP2) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (ELLIOTT AUTOMATION) LIMITED - ----------------------------------------------------------------------------------------------- MOBILE SYSTEMS INTERNATIONAL HOLDINGS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS GMBH (SWITZERLAND) - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS HOLDINGS GMBH (GERMANY) - ----------------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL Marconi Corp. has given to INDUSTRIES LTD (NOW KNOWN AS Marconi Australia Holdings MARCONI AUSTRALIA HOLDINGS PTY Pty Ltd ("MAHL") a letter of LIMITED) support in respect of an intra-group transaction comprising a loan from MAHL to the Bedell and Cristin Trustees Limited ("Bedell") for GBP 11M, bearing interest. Bedell does not have adequate funds to repay the loan itself. Corp. has issued letters of - ----------------------------------------------------------------------------------------------- 87 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- comfort to MAHL in respect of its business - ----------------------------------------------------------------------------------------------- MARCONI HOLDINGS SPA Guarantee implied under article 2362 of the Italian Civil Code which may arise as a result of the Marconi Corporation plc's sole shareholding in Marconi Finanziaria SpA (now Marconi Holdings SpA) for the period from March 2000 to 29 October 2001. - ----------------------------------------------------------------------------------------------- RELTEC MEXICO SA DE CV (NOW KNOWN AS MARCONI COMMUNICATIONS, S.A. DE C.V.) - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (CANADA) - ----------------------------------------------------------------------------------------------- FS FINANCE CORP - ----------------------------------------------------------------------------------------------- FS HOLDING CORP - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS NORTH AMERICA INC. - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS CANADA HOLDINGS INC. - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS HOLDINGS INC. - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL INC. - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (BERMUDA) - ----------------------------------------------------------------------------------------------- DORMANT SUBSIDIARIES - ----------------------------------------------------------------------------------------------- A.B. DICK HOLDINGS LTD DISPOSAL OF MARCONI DATA SYSTEMS INC, MARCONI DATA SYSTEMS LIMITED, MARCONI DATA SYSTEMS EUROPE B.V. AND MARCONI DATA SYSTEMS B.V. (Index - ----------------------------------------------------------------------------------------------- 88 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- ref: G.1.35) (10th January, 2002) Plc guaranteed all the obligations of the Sellers and warranted its status, authority and non-violation of any obligation in providing the guarantee. Note that the Sellers have given extensive warranties (on an indemnified basis), which are all still in force Sellers are jointly and severally liable as follows: 1. usual warranties on an indemnified basis; 2. tax warranties; 3. environmental warranties. 4. incorporation, authority, shares and capital stock warranties. Other Sellers are Marconi Systems Holdings, Inc. (now Marconi, Inc.) and A.B. Dick Holdings.. - ----------------------------------------------------------------------------------------------- ARROW LTD - ----------------------------------------------------------------------------------------------- ASSOCIATED AUTOMATION LTD - ----------------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES HOLDINGS LTD - ----------------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES (MANCHESTER) LTD - ----------------------------------------------------------------------------------------------- 89 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- CLANVILLE LIMITED - ----------------------------------------------------------------------------------------------- COMBINED ELECTRICAL MANUFACTURERS LTD - ----------------------------------------------------------------------------------------------- COPPENHALL NOMINEES LIMITED - ----------------------------------------------------------------------------------------------- DAYMO LTD - ----------------------------------------------------------------------------------------------- FF CHRESTIAN & CO LTD - ----------------------------------------------------------------------------------------------- GPT CONSUMER PRODUCTS LTD - ----------------------------------------------------------------------------------------------- GPT PAYPHONE SYSTEMS LTD - ----------------------------------------------------------------------------------------------- GPT RELIANCE LTD - ----------------------------------------------------------------------------------------------- THE KINGSWAY HOUSING ASSOCIATION LTD - ----------------------------------------------------------------------------------------------- KRAYFORD LTD - ----------------------------------------------------------------------------------------------- LARNERWAY LTD - ----------------------------------------------------------------------------------------------- LAYANA LIMITED - ----------------------------------------------------------------------------------------------- MARCONI CASWELL DEVELOPMENTS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OPTICAL FIBRES LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (FIFTEEN) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (FIFTY-NINE) LTD - ----------------------------------------------------------------------------------------------- MARCONI (FIFTY-THREE) LTD - ----------------------------------------------------------------------------------------------- MARCONI (FORTY-FIVE) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (FORTY-FOUR) LTD - ----------------------------------------------------------------------------------------------- MARCONI (FORTY-THREE) - ----------------------------------------------------------------------------------------------- 90 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- LIMITED - ----------------------------------------------------------------------------------------------- MARCONI G.M. LIMITED - ----------------------------------------------------------------------------------------------- MARCONI MOBILE SYSTEMS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (NINE) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI PHOTONICA LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (SIXTEEN) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (SIXTY-NINE) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (SIXTY-TWO) LTD - ----------------------------------------------------------------------------------------------- MARCONI (THIRTEEN) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (THIRTY-TWO) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (TLC) LTD - ----------------------------------------------------------------------------------------------- MARCONI (TWENTY-SEVEN) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (WCGL) UNLIMITED - ----------------------------------------------------------------------------------------------- MCMICHAEL LIMITED - ----------------------------------------------------------------------------------------------- METROPOLITAN-VICKERS ELECTRICAL CO LTD - ----------------------------------------------------------------------------------------------- MOBILE SYSTEMS GROUP LTD - ----------------------------------------------------------------------------------------------- MOBILE SYSTEMS (HOLDINGS) LTD - ----------------------------------------------------------------------------------------------- MOBILE SYSTEMS SERVICES LTD - ----------------------------------------------------------------------------------------------- 91 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- MOBILE SYSTEMS (UK) LTD - ----------------------------------------------------------------------------------------------- THE M-O VALVE CO LTD - ----------------------------------------------------------------------------------------------- MSI CELLULAR INVESMTNETS (ONE) LTD - ----------------------------------------------------------------------------------------------- PALMAZ LTD - ----------------------------------------------------------------------------------------------- PHOTONICA LIMITED - ----------------------------------------------------------------------------------------------- PHOTONIQA LIMITED - ----------------------------------------------------------------------------------------------- PYFORD LIMITED - ----------------------------------------------------------------------------------------------- RAINFORD GROUP TRUSTEES LTD - ----------------------------------------------------------------------------------------------- RAINFORD RACKS LTD - ----------------------------------------------------------------------------------------------- RELTEC (COVENTRY) LTD - ----------------------------------------------------------------------------------------------- ROBERT STEPHENSON & HAWTHORNS LTD - ----------------------------------------------------------------------------------------------- THE ROTARY ENGINEERING COMPANY LIMITED - ----------------------------------------------------------------------------------------------- SALPLEX LTD - ----------------------------------------------------------------------------------------------- STYLES & MEALING LIMITED - ----------------------------------------------------------------------------------------------- TCL PROJECTS LIMITED - ----------------------------------------------------------------------------------------------- ZIPBOND LTD - ----------------------------------------------------------------------------------------------- THE VULCAN FOUNDRY LTD - ----------------------------------------------------------------------------------------------- TRADING SUBSIDIARIES (OTHERS) - ----------------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES INTERNATIONAL LIMITED - ----------------------------------------------------------------------------------------------- FORE SYSTEMS LIMITED - ----------------------------------------------------------------------------------------------- 92 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- GPT MIDDLE EAST LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS (CIS) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI FINANCE PLC - ----------------------------------------------------------------------------------------------- MARCONI FLEET MANAGEMENT LIMITED - ----------------------------------------------------------------------------------------------- MARCONI INFORMATION SYSTEMS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (NCP) LIMITED - ----------------------------------------------------------------------------------------------- NETSCIENT LIMITED - ----------------------------------------------------------------------------------------------- NORTHWOOD TECHNOLOGIES LIMITED - ----------------------------------------------------------------------------------------------- TELEPHONE CABLES LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INTERNATIONAL LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS CHINA LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INTERNATIONAL HOLDINGS LIMITED - ----------------------------------------------------------------------------------------------- BRUTON STREET OVERSEAS INVESTMENTS LIMITED - ----------------------------------------------------------------------------------------------- BRUTON STREET PARTNERSHIP - ----------------------------------------------------------------------------------------------- MARCONI INDIA LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (THIRTY-ONE) LIMITED - ----------------------------------------------------------------------------------------------- HIGHROSE LIMITED - ----------------------------------------------------------------------------------------------- ANCRANE LIMITED - ----------------------------------------------------------------------------------------------- WOODS OF COLCHESTER - ----------------------------------------------------------------------------------------------- 93 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- HOUSING SOCIETY LIMITED - ----------------------------------------------------------------------------------------------- MARCONI INSURANCE LIMITED - ----------------------------------------------------------------------------------------------- TETREL LIMITED - ----------------------------------------------------------------------------------------------- RELTEC SERVICES (UK) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI ANSTY LIMITED - ----------------------------------------------------------------------------------------------- MARCONI NOMINEES LIMITED - ----------------------------------------------------------------------------------------------- YESLINK UNLIMITED - ----------------------------------------------------------------------------------------------- ELLIOT AUTOMATION CONTINENTAL SA - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL NOMINEES LIMITED - ----------------------------------------------------------------------------------------------- MARCONI DEFENSE OVERSEAS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS GLOBAL NETWORKS LIMITED - ----------------------------------------------------------------------------------------------- MARCONICOM LIMITED - ----------------------------------------------------------------------------------------------- MICRO SCOPE LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INTERNATIONAL INVESTMENTS LIMITED - ----------------------------------------------------------------------------------------------- GPT (NEDERLAND) BV - ----------------------------------------------------------------------------------------------- GEC OF PAKISTAN LIMITED - ----------------------------------------------------------------------------------------------- GEC ZAMBIA LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS AB - ----------------------------------------------------------------------------------------------- 94 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS BVBA - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SARL - ----------------------------------------------------------------------------------------------- MARCONI CHANNEL MARKETS GMBH - ----------------------------------------------------------------------------------------------- AEI FURNACES PTY LTD - ----------------------------------------------------------------------------------------------- HARMAN INFORMATION TECHNOLOGY PTY LTD - ----------------------------------------------------------------------------------------------- MARCONI NEW ZEALAND LIMITED - ----------------------------------------------------------------------------------------------- MARCONI TELECOMMUNICATIONS INDIA PRIVATE LTD - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (AUSTRALIA) PTY LTD - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (HONG KONG) LIMITED - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (INDIA) PRIVATE LIMITED - ----------------------------------------------------------------------------------------------- MARCONI ACQUISITION CORP - ----------------------------------------------------------------------------------------------- MARCONI FINANCE INC. - ----------------------------------------------------------------------------------------------- NORTHWOOD TECHNOLOGIES INC. - ----------------------------------------------------------------------------------------------- APT NEDERLANDS BV - ----------------------------------------------------------------------------------------------- APT TELECOMMUNICIONES SL - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL AB - ----------------------------------------------------------------------------------------------- 95 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED BY PLC OWED BY CORP - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL BRASIL LTDA - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (FRANCE) SA - ----------------------------------------------------------------------------------------------- MARCONI PROJECTS HONG KONG LTD - ----------------------------------------------------------------------------------------------- 96 PART 2 NON-FINANCIAL GUARANTEES AND INDEMNITIES GIVEN BY PARTICPATING COMPANIES OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- TRADING COMPANIES (MATERIAL) ALBANY PARTNERSHIP LIMITED - ----------------------------------------------------------------------------------------------- GPT SPECIAL PROJECT MANAGEMENT LIMITED - ----------------------------------------------------------------------------------------------- MARCONI BONDING LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INVESTMENTS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (IRELAND) - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS In consideration of Corp LIMITED (UK) agreeing to provide the services of certain executives, each of whom has signed a service agreement with corp, for the purposes of advising on MCL's business, MCL unconditionally and irrevocably guarantees to all of these executives the due and punctual performance and observance by corp of all its obligations, commitments and undertakings under and pursuant to each of their respective service agreements as mentioned above, and agrees to indemnify each executive in respect of any breach by - ----------------------------------------------------------------------------------------------- 97 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- corp, of any of its obligations, commitments and undertakings under and pursuant to each respective service agreement. This guarantee is to be a continuing guarantee and accordingly is to remain in force until all obligations of corp shall have been performed or satisfied. - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OPTICAL NETWORKS LIMITED (IRELAND) - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OVERSEAS SERVICES LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOUTH AFRICA PTY LIMITED - ----------------------------------------------------------------------------------------------- MARCONI OPTICAL COMPONENTS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI CORPORATION PLC - ----------------------------------------------------------------------------------------------- MARCONI plc SALE OF THE SHARE CAPITAL OF YESLINK INTERCO LTD. AND YESLINK UNLIMITED TO PRUDENTIAL Indemnity by PLC in respect of all costs, expenses and liabilities incurred to the extent that Corp did not meet its obligations under the Trade Mark Assignment. Trade mark indemnity is uncapped. SALE OF MARCONI MEDICAL SYSTEMS HOLDINGS, INC. (3rd July, 2000) According to Marconi, Plc guaranteed the Seller's obligations under this agreement. - ----------------------------------------------------------------------------------------------- 98 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- On 15th July, 2002, Corp, Marconi, Inc. (as successor to Marconi Holding Systems, Inc.) and Philips entered into a Final Settlement Agreement. Under this Agreement, the purchase price was adjusted to US$837 million. The value of the Closing Net Assets was agreed to be US$755 million. Marconi paid Philips US$12 million on 19th July, 2002 and was released from liabilities in relation to the warranty in respect of the non-US Vendor Debt (Latin American debt) which was rescinded and in relation to the indemnity for breach of representation. US$8 million of this was in full satisfaction of Marconi's payment obligations under the Stock Purchase Agreement. The tax indemnity under the Stock Purchase Agreement remains in effect, including in respect of the tax liabilities that could have been included in determining the Closing Net Assets. Following the Final Settlement Agreement, estimated liability is US$15.3 million (being approx. L10 million). DISPOSAL OF MARCONI DATA SYSTEMS INC, MARCONI DATA SYSTEMS LIMITED, MARCONI DATA SYSTEMS EUROPE B.V. AND MARCONI DATA SYSTEMS B.V. (10th January, 2002) Sellers were Marconi - ----------------------------------------------------------------------------------------------- 99 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- Systems Holdings, Inc. (now Marconi, Inc.) and A.B. Dick Holdings. Corp was a joint-Seller. Plc guaranteed all the obligations of the Sellers and warranted its status, authority and non-violation of any obligation in providing the guarantee. Note that the Sellers have given extensive warranties (on an indemnified basis), which are all still in force: 1. usual warranties on an indemnified basis; 2. tax warranties; 3. environmental warranties; and 4. incorporation, authority, shares and capital stock warranties. Total not to exceed US$100 million (US$100 million is 25% of purchase price). SALE OF MARCONI COMMERCE SYSTEMS, INC. AND MARCONI COMMERCE SYSTEMS LIMITED (20th December, 2001) Plc guaranteed the obligations of the sellers. Corp is a Joint seller with Marconi Systems Holdings, Inc. (now Marconi, Inc.) (the "SELLERS"). Capped at 25% of the Adjusted Purchase Price (25% is approx. US$81.25 - ----------------------------------------------------------------------------------------------- 100 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- million).. - ----------------------------------------------------------------------------------------------- MARCONI SOFTWARE SOLUTIONS LIMITED - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL LIMITED - ----------------------------------------------------------------------------------------------- RONALDI LTD - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SA (FRANCE) - ----------------------------------------------------------------------------------------------- MNI TECNOLOGIASE E SISTEMAS DE COMMUNICACAO SA - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS B.V. (NETHERLANDS) - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS GMBH (GERMANY) - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS REAL ESTATE GMBH - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOFTWARE SYSTEMS GMBH & CO KG - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOFTWARE SYSTEMS VER. GMBH - ----------------------------------------------------------------------------------------------- BEIJING MARCONI COMMUNICATIONS TECHNOLOGY CO LTD - ----------------------------------------------------------------------------------------------- GEC (HONG KONG) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI AUSTRALIA PTY LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS ASIA LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SOUTH EAST ASIA PTE LTD - ----------------------------------------------------------------------------------------------- 101 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- THE GENERAL ELECTRIC COMPANY OF SINGAPORE PRIVATE LIMITED (NOW KNOWN AS MARCONI SINGAPORE PTE LTD) - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONSSpA - ----------------------------------------------------------------------------------------------- MARCONI IBERIA SA - ----------------------------------------------------------------------------------------------- MARCONI MOBILE ACCESS SpA - ----------------------------------------------------------------------------------------------- MARCONI SUD SpA - ----------------------------------------------------------------------------------------------- MARCONI INTERNATIONAL SpA - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS de MEXICO SA DE CV - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS TELEMULTI LIMITADA - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS DO BRASIL LTDA - ----------------------------------------------------------------------------------------------- FORE SYSTEMS LIMITADA - ----------------------------------------------------------------------------------------------- MARCONI COLUMBIA SA - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS ARGENTINA SA - ----------------------------------------------------------------------------------------------- MARCONI VENEZUELA CA - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OPTICAL NETWORKS CORP - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS TECHNOLOGY INC - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS CANADA INC - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS FEDERAL INC - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS - ----------------------------------------------------------------------------------------------- 102 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- INC - ----------------------------------------------------------------------------------------------- MARCONI INC - ----------------------------------------------------------------------------------------------- MARCONI SOFTWARE INTERNATIONAL INC - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (US) INC - ----------------------------------------------------------------------------------------------- SYSTEMS MANAGEMENT SPECIALISTS INC - ----------------------------------------------------------------------------------------------- MARCONI MIDDLE EAST (SAUDI ARABIA) - ----------------------------------------------------------------------------------------------- MARCONI MIDDLE EAST LLC (DUBAI) - ----------------------------------------------------------------------------------------------- MARCONI APPLIED TECNOLOGIES SA - ----------------------------------------------------------------------------------------------- SNC COMPOSANTS & CIE - ----------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------- NON-TRADING SUBSIDIARIES - ----------------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES LIMITED - ----------------------------------------------------------------------------------------------- BRUTON STREET INVESTMENTS LIMITED - ----------------------------------------------------------------------------------------------- EA CONTINENTAL LIMITED - ----------------------------------------------------------------------------------------------- ELLIOTT-AUTOMATION HOLDINGS LIMITED - ----------------------------------------------------------------------------------------------- THE ENGLISH ELECTRIC COMPANY, LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (BRUTON STREET) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (HOLDINGS) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI AEROSPACE - ----------------------------------------------------------------------------------------------- 103 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- UNLIMITED - ----------------------------------------------------------------------------------------------- MARCONI CAPITAL LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS AFRICA (PTY) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS HOLDINGS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (DGP1) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (DGP2) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (ELLIOTT AUTOMATION) LIMITED - ----------------------------------------------------------------------------------------------- MOBILE SYSTEMS INTERNATIONAL HOLDINGS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS GMBH (SWITZERLAND) - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS HOLDINGS GMBH (GERMANY) - ----------------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES LTD (NOW KNOWN AS MARCONI AUSTRALIA HOLDINGS PTY LIMITED) - ----------------------------------------------------------------------------------------------- MARCONI HOLDINGS SPA - ----------------------------------------------------------------------------------------------- RELTEC MEXICO SA DE CV (NOW KNOWN AS MARCONI COMMUNICATIONS, S.A. DE C.V.) - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (CANADA) - ----------------------------------------------------------------------------------------------- FS FINANCE CORP - ----------------------------------------------------------------------------------------------- FS HOLDING CORP - ----------------------------------------------------------------------------------------------- 104 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS NORTH AMERICA INC. - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS CANADA HOLDINGS INC. - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS HOLDINGS INC. - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL INC. - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS LIMITED (BERMUDA) - ----------------------------------------------------------------------------------------------- DORMANT SUBSIDIARIES - ----------------------------------------------------------------------------------------------- A.B. DICK HOLDINGS LTD - ----------------------------------------------------------------------------------------------- ARROW LTD - ----------------------------------------------------------------------------------------------- ASSOCIATED AUTOMATION LTD - ----------------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES HOLDINGS LTD - ----------------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES (MANCHESTER) LTD - ----------------------------------------------------------------------------------------------- CLANVILLE LIMITED - ----------------------------------------------------------------------------------------------- COMBINED ELECTRICAL MANUFACTURERS LTD - ----------------------------------------------------------------------------------------------- COPPENHALL NOMINEES LIMITED - ----------------------------------------------------------------------------------------------- DAYMO LTD - ----------------------------------------------------------------------------------------------- FF CHRESTIAN & CO LTD - ----------------------------------------------------------------------------------------------- GPT CONSUMER PRODUCTS LTD - ----------------------------------------------------------------------------------------------- 105 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- GPT PAYPHONE SYSTEMS LTD - ----------------------------------------------------------------------------------------------- GPT RELIANCE LTD - ----------------------------------------------------------------------------------------------- THE KINGSWAY HOUSING ASSOCIATION LTD - ----------------------------------------------------------------------------------------------- KRAYFORD LTD - ----------------------------------------------------------------------------------------------- LARNERWAY LTD - ----------------------------------------------------------------------------------------------- LAYANA LIMITED - ----------------------------------------------------------------------------------------------- MARCONI CASWELL DEVELOPMENTS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS OPTICAL FIBRES LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (FIFTEEN) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (FIFTY-NINE) LTD - ----------------------------------------------------------------------------------------------- MARCONI (FIFTY-THREE) LTD - ----------------------------------------------------------------------------------------------- MARCONI (FORTY-FIVE) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (FORTY-FOUR) LTD - ----------------------------------------------------------------------------------------------- MARCONI (FORTY-THREE) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI G.M. LIMITED - ----------------------------------------------------------------------------------------------- MARCONI MOBILE SYSTEMS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (NINE) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI PHOTONICA LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (SIXTEEN) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (SIXTY-NINE) - ----------------------------------------------------------------------------------------------- 106 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (SIXTY-TWO) LTD - ----------------------------------------------------------------------------------------------- MARCONI (THIRTEEN) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (THIRTY-TWO) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (TLC) LTD - ----------------------------------------------------------------------------------------------- MARCONI (TWENTY-SEVEN) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (WCGL) UNLIMITED - ----------------------------------------------------------------------------------------------- MCMICHAEL LIMITED - ----------------------------------------------------------------------------------------------- METROPOLITAN-VICKERS ELECTRICAL CO LTD - ----------------------------------------------------------------------------------------------- MOBILE SYSTEMS GROUP LTD - ----------------------------------------------------------------------------------------------- MOBILE SYSTEMS (HOLDINGS) LTD - ----------------------------------------------------------------------------------------------- MOBILE SYSTEMS SERVICES LTD - ----------------------------------------------------------------------------------------------- MOBILE SYSTEMS (UK) LTD - ----------------------------------------------------------------------------------------------- THE M-O VALVE CO LTD - ----------------------------------------------------------------------------------------------- MSI CELLULAR INVESMTNETS (ONE) LTD - ----------------------------------------------------------------------------------------------- PALMAZ LTD - ----------------------------------------------------------------------------------------------- PHOTONICA LIMITED - ----------------------------------------------------------------------------------------------- PHOTONIQA LIMITED - ----------------------------------------------------------------------------------------------- PYFORD LIMITED - ----------------------------------------------------------------------------------------------- 107 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- RAINFORD GROUP TRUSTEES LTD - ----------------------------------------------------------------------------------------------- RAINFORD RACKS LTD - ----------------------------------------------------------------------------------------------- RELTEC (COVENTRY) LTD - ----------------------------------------------------------------------------------------------- ROBERT STEPHENSON & HAWTHORNS LTD - ----------------------------------------------------------------------------------------------- THE ROTARY ENGINEERING COMPANY LIMITED - ----------------------------------------------------------------------------------------------- SALPLEX LTD - ----------------------------------------------------------------------------------------------- STYLES & MEALING LIMITED - ----------------------------------------------------------------------------------------------- TCL PROJECTS LIMITED - ----------------------------------------------------------------------------------------------- ZIPBOND LTD - ----------------------------------------------------------------------------------------------- THE VULCAN FOUNDRY LTD - ----------------------------------------------------------------------------------------------- TRADING SUBSIDIARIES (OTHERS) - ----------------------------------------------------------------------------------------------- ASSOCIATED ELECTRICAL INDUSTRIES INTERNATIONAL LIMITED - ----------------------------------------------------------------------------------------------- FORE SYSTEMS LIMITED - ----------------------------------------------------------------------------------------------- GPT MIDDLE EAST LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS (CIS) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI FINANCE PLC - ----------------------------------------------------------------------------------------------- MARCONI FLEET MANAGEMENT LIMITED - ----------------------------------------------------------------------------------------------- MARCONI INFORMATION SYSTEMS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (NCP) LIMITED - ----------------------------------------------------------------------------------------------- 108 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- NETSCIENT LIMITED - ----------------------------------------------------------------------------------------------- NORTHWOOD TECHNOLOGIES LIMITED - ----------------------------------------------------------------------------------------------- TELEPHONE CABLES LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INTERNATIONAL LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS CHINA LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INTERNATIONAL HOLDINGS LIMITED - ----------------------------------------------------------------------------------------------- BRUTON STREET OVERSEAS INVESTMENTS LIMITED - ----------------------------------------------------------------------------------------------- BRUTON STREET PARTNERSHIP - ----------------------------------------------------------------------------------------------- MARCONI INDIA LIMITED - ----------------------------------------------------------------------------------------------- MARCONI (THIRTY-ONE) LIMITED - ----------------------------------------------------------------------------------------------- HIGHROSE LIMITED - ----------------------------------------------------------------------------------------------- ANCRANE LIMITED - ----------------------------------------------------------------------------------------------- WOODS OF COLCHESTER HOUSING SOCIETY LIMITED - ----------------------------------------------------------------------------------------------- MARCONI INSURANCE LIMITED - ----------------------------------------------------------------------------------------------- TETREL LIMITED - ----------------------------------------------------------------------------------------------- RELTEC SERVICES (UK) LIMITED - ----------------------------------------------------------------------------------------------- MARCONI ANSTY LIMITED - ----------------------------------------------------------------------------------------------- MARCONI NOMINEES LIMITED - ----------------------------------------------------------------------------------------------- 109 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- YESLINK UNLIMITED - ----------------------------------------------------------------------------------------------- ELLIOT AUTOMATION CONTINENTAL SA - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL NOMINEES LIMITED - ----------------------------------------------------------------------------------------------- MARCONI DEFENSE OVERSEAS LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS GLOBAL NETWORKS LIMITED - ----------------------------------------------------------------------------------------------- MARCONICOM LIMITED - ----------------------------------------------------------------------------------------------- MICRO SCOPE LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS INTERNATIONAL INVESTMENTS LIMITED - ----------------------------------------------------------------------------------------------- GPT (NEDERLAND) BV - ----------------------------------------------------------------------------------------------- GEC OF PAKISTAN LIMITED - ----------------------------------------------------------------------------------------------- GEC ZAMBIA LIMITED - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS AB - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS BVBA - ----------------------------------------------------------------------------------------------- MARCONI COMMUNICATIONS SARL - ----------------------------------------------------------------------------------------------- MARCONI CHANNEL MARKETS GMBH - ----------------------------------------------------------------------------------------------- AEI FURNACES PTY LTD - ----------------------------------------------------------------------------------------------- HARMAN INFORMATION TECHNOLOGY PTY LTD - ----------------------------------------------------------------------------------------------- MARCONI NEW ZEALAND - ----------------------------------------------------------------------------------------------- 110 OFF-BALANCE SHEET LIABILITIES - ----------------------------------------------------------------------------------------------- OWED TO PLC OWED TO CORP - ----------------------------------------------------------------------------------------------- LIMITED - ----------------------------------------------------------------------------------------------- MARCONI TELECOMMUNICATIONS INDIA PRIVATE LTD - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (AUSTRALIA) PTY LTD - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (HONG KONG) LIMITED - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (INDIA) PRIVATE LIMITED - ----------------------------------------------------------------------------------------------- MARCONI ACQUISITION CORP - ----------------------------------------------------------------------------------------------- MARCONI FINANCE INC. - ----------------------------------------------------------------------------------------------- NORTHWOOD TECHNOLOGIES INC. - ----------------------------------------------------------------------------------------------- APT NEDERLANDS BV - ----------------------------------------------------------------------------------------------- APT TELECOMMUNICIONES SL - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL AB - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL BRASIL LTDA - ----------------------------------------------------------------------------------------------- METAPATH SOFTWARE INTERNATIONAL (FRANCE) SA - ----------------------------------------------------------------------------------------------- MARCONI PROJECTS HONG KONG LTD - ----------------------------------------------------------------------------------------------- 111 IN WITNESS of which this Agreement has been executed as an Agreement and has been delivered on the date which appears first on page 1. SIGNED by ) CHRIS HOLDEN for MARCONI ) CORPORATION PLC ) as CORP ) SIGNED by ) CHRIS HOLDEN for MARCONI ) CORPORATION PLC ) as a TRADING COMPANY ) SIGNED by ) CHRIS HOLDEN for MARCONI PLC ) as plc ) SIGNED by ) CHRIS HOLDEN for MARCONI PLC ) as a TRADING COMPANY ) 112