SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 --------------- SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 3)(1) Bookham Technology plc -------------------------------------------------------------------------------- (Name of Issuer) Ordinary Shares, par value one third pence per share, and American Depositary Shares evidenced by American Depositary Receipts, each representing one Ordinary Share -------------------------------------------------------------------------------- (Title of Class of Securities) 09856Q108 ------------------------------------------------------------- (CUSIP Number) Deborah J. Noble Corporate Secretary Nortel Networks Corporation 8200 Dixie Road, Suite 100 Brampton, Ontario L6T 5P6 Canada (905) 863-1103 -------------------------------------------------------------------------------- with a copy to: Paul J. Shim, Esq. Cleary, Gottlieb, Steen & Hamilton One Liberty Plaza New York, New York 10006 212-225-2000 -------------------------------------------------------------------------------- (Name, Address and Telephone Number of Persons Authorized to Receive Notices and Communications) July 3, 2003 ------------------------------------------------------------- (Date of Event Which Requires Filing of This Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box.|_| Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See ss. 240.13d-7(b) for other parties to whom copies are to be sent. (Continued on the following pages) (Page 1 of 10 Pages) (1) The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. The information required on the remainder of this cover page shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). ------------------- CUSIP No. 09856Q108 ------------------- 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Nortel Networks Corporation 62-12-62580 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a)|_| (b)|_| 3 SEC USE ONLY 4 SOURCE OF FUNDS OO 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)|_| 6 CITIZENSHIP OR PLACE OF ORGANIZATION Canada NUMBER OF SHARES 7 SOLE VOTING POWER BENEFICIALLY OWNED BY 40,000,000* EACH REPORTING PERSON 8 SHARED VOTING POWER WITH N/A 9 SOLE DISPOSITIVE POWER 40,000,000* 10 SHARED DISPOSITIVE POWER N/A 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 40,000,000* 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 18.7%* 14 TYPE OF REPORTING PERSON CO * Calculated, pursuant to Exchange Act Rule 13(d)(1)(i), on the basis of (a) the 204,950,873 Ordinary Shares of Bookham outstanding on May 1, 2003 as reported in Amendment No. 1 to Form F-3 of Bookham as filed with the Securities and Exchange Commission on May 29, 2003, and (b) the 8,535,233 additional Warrants that became exercisable following the consummation of the transactions described in Item 4. Pursuant to Rule 13d-2(a) of Regulation 13D-G of the General Rules and Regulations under the Exchange Act, Nortel Networks Corporation ("Nortel Networks") hereby amends its statement on Schedule 13D, dated October 17, 2002 (the "Schedule 13D"), as amended by Amendment No. 1 dated November 7, 2002 and by Amendment No. 2 dated November 8, 2002 relating to the ordinary shares, par value one third pence per share (the "Ordinary Shares"), of Bookham Technology plc, a corporation organized under the laws of England and Wales ("Bookham"). Unless otherwise indicated, all defined terms used herein shall have the same meanings ascribed to them in the Schedule 13D. Item 2. Identity and Background. ----------------------- Schedule I to the Schedule 13D is hereby replaced in its entirety with Schedule I to this Schedule. Item 4. Purpose of Transaction ---------------------- Item 4 is hereby amended by replacing the penultimate paragraph thereof with the following two paragraphs: On November 8, 2002, the closing under the Acquisition Agreement occurred. As a result, Nortel Networks beneficially owns (a) the 61,000,000 Ordinary Shares issued at such closing to its wholly-owned subsidiaries, Nortel Networks Limited ("NNL"), Nortel Networks Technology Corporation, Nortel Networks Optical Components Limited ("NNOCL") and Nortel Networks Optical Components (Switzerland) GmbH, and (b) the 9,000,000 Ordinary Shares underlying the 9,000,000 Warrants issued at such closing to its wholly-owned subsidiary, NNOCL, all of which Warrants are currently exercisable. Prior to the transactions described immediately below, only 464,767 of such Warrants were exercisable. On July 3, 2003, NNOCL and NNL (together, the "Selling Shareholders") sold 30,000,000 Ordinary Shares in the aggregate in transactions exempt from registration under the Securities Act of 1933, as amended. In connection with these transactions, NNL entered into a Placement Agreement, dated as of July 3, 2003, a copy of which is filed herewith as Exhibit 1. Pursuant to the Placement Agreement, Credit Suisse First Boston (Equities) Limited was appointed to act as agent for the Selling Shareholders in identifying and procuring purchasers for 30 million Ordinary Shares subject to the terms and conditions contained therein. Item 5. Interest in Securities of the Issuer. ------------------------------------ Paragraphs (a) and (b) of Item 5 are hereby amended and restated in their entirety as follows: (a) - (b) At the date hereof, Nortel Networks beneficially owns 40,000,000 Ordinary Shares, representing approximately 18.7% of the outstanding Ordinary Shares. Except as set forth in this Item 5, none of Nortel Networks or, to the best of Nortel Networks' knowledge, any of the individuals named in Schedule I hereto beneficially owns any Ordinary Shares of Bookham. Item 6. Contracts, Arrangements, Understanding or Relationships with Respect to ----------------------------------------------------------------------- Securities of Bookham. ---------------------- Except as provided in this Statement, neither Nortel Networks nor, to the best of Nortel Networks' knowledge, any of the individuals named in Schedule I hereto has any contracts, arrangements, understandings or relationships (legal or otherwise) with any person with respect to any securities of Bookham, including, but not limited to, transfer or voting of any securities, finder's fees, joint ventures, loan or option arrangements, puts or calls, guarantees or profits, division of profits or loss, or the giving or withholding of proxies. Item 7. Material to be Filed as Exhibits. -------------------------------- Exhibit 1 -- Placement Agreement, dated July 3, 2003, between Nortel Networks Limited and Credit Suisse First Boston (Equities) Limited. SIGNATURES After reasonable inquiry, and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date: July 7, 2003 NORTEL NETWORKS CORPORATION /s/ Katharine B. Stevenson -------------------------- By: Katharine B. Stevenson Title: Treasurer /s/ Deborah J. Noble -------------------- By: Deborah J. Noble Title: Corporate Secretary SCHEDULE I NORTEL NETWORKS CORPORATION DIRECTORS AND EXECUTIVE OFFICERS The name, citizenship, present principal occupation or employment, and the name of any corporation or other organization in which such employment is conducted, of each of the directors and executive officers of Nortel Networks Corporation is set forth below. Unless otherwise indicated below, the business address of each director and executive officer is Nortel Networks Corporation, 8200 Dixie Road, Suite 100, Brampton, Ontario L6T 5P6, Canada. Name and Citizenship Principal Occupation and Address -------------------- -------------------------------- Directors James Johnston Blanchard Piper Rudnick LLP American 901-15th Street, N.W., Suite 700 Washington, D.C. 20005-2301 U.S.A Robert Ellis Brown Chairman of the Board Canadian/British Air Canada Air Canada Centre 7373 Cote Vertu West Montreal, Quebec, H4Y 1H4,Canada John Edward Cleghorn Chairman of the Board Canadian SNC-Lavalin Group Inc. 200 Bay Street, South Tower, Suite 3115 Royal Bank Plaza Toronto, Ontario M5J 2J5 Canada Frank Andrew Dunn President and Chief Executive Officer Canadian Nortel Networks Corporation L. Yves Fortier Chairman & Senior Partner Ogilvy Renault Canadian 1981 McGill College Avenue, 12th Floor Montreal, Quebec H3A 3C1 Canada Robert Alexander Ingram Vice Chairman, Pharmaceuticals American GlaxoSmithKline 5 Moore Drive, Mail Drop #50.2032 Research Triangle Park, N.C. 27709 U.S.A. William Arthur Owens Chief Executive Officer and Chairman of the Board American Teledesic LLC 3740 Carillon Point Kirkland, Washington 98033 U.S.A. Guylaine Saucier Corporate Director Canadian 1321 Sherbrooke Street West, Suite C-61 Montreal, Quebec H3G 1J4 Canada Sherwood Hubbard Smith, Jr. Chairman Emeritus American CP&L One Hanover Square Building 421 Fayetteville Street Mall Raleigh, N.C. 27601-1748 U.S.A. Lynton Ronald Wilson Chairman Canadian CAE Inc. 483 Bay Street (Chairman of the Board of Floor 7, North Tower Nortel Networks Corporation) Toronto, Ontario M5G 2E1 Canada Officers Frank Andrew Dunn President and Chief Executive Officer Canadian Douglas Charles Beatty Chief Financial Officer Canadian Nicholas John DeRoma Chief Legal Officer American D. Gregory Mumford Chief Technology Officer Canadian Albert Roger Hitchcock Chief Information Officer U.K. Pascal Debon President, Wireless Networks French Chahram Bolouri President, Global Operations Canadian Brian William McFadden President, Optical Networks Canadian Stephen Charles Pusey President, Europe, Middle East and Africa U.K. Susan Spradley President, Wireline Networks American Masood Ahmad Tariq President, Global Alliances American/Canadian Malcolm Kevin Collins President, Enterprise Networks U.K. Steven Leo Schilling President, Enterprise Accounts American Robert Yu Lang Mao President and Chief Executive Officer, Greater American China Dion Constandino Joannou President, CALA American John Joseph Giamatteo President, Asia Pacific American William John Donovan Senior Vice-President, Human Resources American Michael Jerard Gollogly Controller Canadian Adrian Joseph Donoghue General Auditor Canadian Katharine Berghuis Stevenson Treasurer Canadian/American Deborah Jean Noble Corporate Secretary Canadian John Marshall Doolittle Vice President, Tax Canadian Blair Fraser Morrison Assistant Secretary Canadian Gordon Allan Davies Assistant Secretary Canadian MaryAnne Pahapill Assistant Treasurer Canadian