Bookham to Announce Fiscal Second Quarter Financial Results on February 1, 2005

Bookham, Inc. ("Bookham") , a leading provider of optical components, modules and subsystems, today announced that it would be releasing its financial results for the second quarter of fiscal year 2005 on Tuesday, February 1, 2005.

Giorgio Anania, chief executive officer, will lead a conference call with Steve Abely, chief financial officer, on Tuesday, February 1, 2005 at 4:30pm EST. To access the call please dial in on:

US Participants           +1 617 786 4512
                          access code: 266542672

UK/European Participants  +44 (0) 207 365 8426
                          access code: 266542672

The call can also be accessed via a live webcast, which will be archived for replay on the company's website at www.bookham.com via the Investors home page.

Notes to editors

A replay of the conference call with be available approximately 2 hours after the call ends for 7 days, by dialing +1 617 801 6888 or +44 (0) 207 365 8427 access code: 71365271

Bookham, Inc. is a global leader in the design, manufacture and marketing of optical components, modules and subsystems. The company's optical components, modules and subsystems are used in various applications and industries, including telecommunications, data communications, aerospace, industrial and military. Since 2002, the company has acquired the optical components businesses of Nortel Networks and Marconi, as well as Ignis Optics, Inc., the business of Cierra Photonics Inc., New Focus, Inc., and Onetta, Inc. The company has manufacturing facilities in the UK, US, Canada, China and Switzerland; and offices in the US, UK, France, Italy, and China; and employs approximately 2000 people worldwide.

More information on Bookham, Inc. is available at www.bookham.com.

Bookham is a registered trademark of Bookham Technology plc.

Any statements in this announcement about the future expectations, plans or prospects of Bookham, including statements containing the words "believe," "plan," "anticipate," "expect," "estimate," "will" and similar expressions, constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. There are a number of important factors that could cause actual results or events to differ materially from those indicated by such forward-looking statements, including factors described in Bookham's quarterly report on Form 10-Q for the quarter ended October 2, 2004. The forward-looking statements included in this announcement represent Bookham's view as of the date of this release. Bookham anticipates that subsequent events and developments will cause Bookham's views to change. However, Bookham disclaims any intention or obligation to update any forward-looking statements as a result of developments occurring after the date of this document. Those forward-looking statements should not be relied upon as representing Bookham's views as of any date subsequent to the date of this announcement.

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