RNS Number:2870N
Bookham Technology PLC
08 July 2003

Oxfordshire, UK - 8 July 2003:  Bookham Technology plc (the 'Company') announces
that on 7 July 2003 it received notification from AMVESCAP PLC ('AMVESCAP') that
following the purchase of 7,200,000 ordinary shares in the Company on 3 July the
holding of AMVESCAP and subsidiary companies on behalf of discretionary clients
increased to 29,018,498 ordinary shares, representing 14.15% of the issued share
capital of the Company.  None of these shares are beneficially owned by
AMVESCAP.



AMVESCAP also notified that the above holding includes two notifiable holdings:
INVESCO Perpetual UK Growth Fund now holds 12,576,115 ordinary shares (6.13% of
the Company's issued share capital) and INVESCO Perpetual International Equity
Fund now holds 7,050,916 ordinary shares (3.44%).  Both holdings are registered
in the name of Vidacos Nominees Limited.




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