Directorate Change

Spirent PLC
27 January 2004

                                                           827 - 27 January 2004


                                  SPIRENT PLC

              FREDERICK D'ALESSIO APPOINTED NON-EXECUTIVE DIRECTOR


Spirent plc (LSE: SPT; NYSE: SPM), a leading international network technology
company, announces that Frederick 'Fred' D'Alessio has been appointed as a
non-executive director with effect from 26 January 2004.


Mr D'Alessio (55) has over 30 years' experience in the telecoms industry, most
recently holding the position of President of Advanced Services at Verizon
Communications Inc., the largest network service provider in the United States.
Since 2002 he has been a general partner and founder of Capitol Management
Partners, a consultancy for early stage communications companies, and currently
sits on the boards of three emerging US telecoms companies SS8 Networks, Inc.,
Aware, Inc. and Hatteras Networks, Inc.



Commenting, John Weston, Chairman of Spirent, said:



'Fred has had an extensive career in the telecoms sector and his insight and
experience will be of great value to the Group as we continue to focus on the
development of our communications activities.'



                                    - ends -



Enquiries


Nicholas Brookes, Chief Executive        Spirent plc          [phone]
Eric Hutchinson, Finance Director

Investor Relations
Catherine Nash                           Spirent plc          [phone]

Media
Jon Coles/Rupert Young                   Brunswick           [phone]



About Spirent



Spirent plc is an international network technology company providing
state-of-the-art systems and solutions for a broad range of customers.  Our
Communications group is a worldwide provider of integrated performance analysis
and service assurance systems for next-generation network technologies.
Spirent's solutions enable customers to develop, deploy and assure network
equipment and services more economically and efficiently by emulating real-world
conditions and assuring end-to-end performance of large-scale networks.  Our
Network Products group provides innovative solutions for fastening, identifying,
insulating, organising, routing and connectivity that add value to electrical
and communication networks in a wide range of applications.  Our Systems group
offers integrated solutions for the power controls and aerospace markets.
Further information about Spirent plc can be found at www.spirent.com



Spirent plc is listed on the London Stock Exchange (ticker: SPT) and on the New
York Stock Exchange (ticker: SPM; CUSIP number: 84856M209) with one American
Depositary Receipt representing four Ordinary shares.



Spirent and the Spirent logo are registered trademarks of Spirent plc.  All
rights reserved.



This press release may contain forward-looking statements that are based on
current expectations or beliefs, as well as assumptions about future events.  By
their nature, forward-looking statements are inherently predictive, speculative
and involve risk and uncertainty because they relate to events and depend on
circumstances that will occur in the future.  You should not place undue
reliance on these forward-looking statements, which are not a guarantee of
future performance and are subject to factors that could cause our actual
results to differ materially from those expressed or implied by these
statements.  These risks include the risks described from time to time in
Spirent plc's Securities and Exchange Commission periodic reports and filings.
The Company undertakes no obligation to update any forward-looking statements
contained in this press release, whether as a result of new information, future
events or otherwise.


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