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Exhibit 99.1

SCHEDULE 5
BLOCK LISTING SIX MONTHLY RETURN

To: Listing Applications
UK Listing Authority
Old Broad Street
London
EC2N 1HP

AVS NO 565139

Please ensure the entries on this return are typed

1.	Name of company	Bookham Technology plc
2.	Name of Scheme	1995 and 1998 Employee Share Option Schemes and Warrants
3.	Period of return:	From 03/05/02 to 02/11/02
4.	Number and class of share(s) (amount of stock/debt security) not issued under scheme	2,418,544 Ordinary shares of 1/3p
5.	Number of shares issued/allotted under scheme during period	9,903
6.	Balance under scheme not yet Issued/allotted at end of period	2,408,641
7.	Number and class of share(s) (amount of Stock/debt securities) originally listed and The date of admission;	4,610,000 Ordinary shares of 1/3p 3rd November 2000
Please confirm the total number of shares in issue at the end of the period in order for us to update our records
143,933,651
Contact for queries:		Address: Bookham Technology plc
Name: Shiona Cranstoun
Telephone: (01235) 837853

Person Making Return

Name: Philip Davis

Position: Company Secretary

Signature:

2

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SCHEDULE 5 BLOCK LISTING SIX MONTHLY RETURN