Re Contract

Spirent PLC
10 April 2001



       SPIRENT TECHNOLOGY TO BE DEPLOYED BY QWEST COMMUNICATIONS FOR DIGITAL
                     SUBSCRIBER LINE SERVICE ASSURANCE

Spirent plc, the international network technology company, today announces
that its Communications group has won a multi-year contract with Qwest
Communications International Inc, one of the leading incumbent local
exchange carriers in the United States.  Qwest will deploy a combination of
Spirent Communications' Hekimian hardware and software service assurance
solutions to ensure quality Digital Subscriber Line (DSL) services across
Qwest's entire 14-state territory.  Hekimian was acquired by Spirent in
December 2000.

Spirent Communications' solution, TestDSL (trade mark), encompasses the
entire DSL service and will help Qwest instantly assess the complete, end-to-
end status of its network. With Spirent Communications' products, Qwest can
monitor the quality of its DSL service, and ensure quick customer
responsiveness and fault resolution.  With the market coverage and line
counts involved in this and other recent contract wins, Spirent
Communications' solutions now cover more qualifying lines and markets than
all other service assurance hardware and software solutions combined, making
Spirent Communications the de facto standard for service assurance in the
vast majority of North American DSL installations.

'Qwest is experiencing tremendous demand for its DSL service,' said Augie
Cruciotti, Executive Vice President of Local Networks for Qwest. 'Spirent
Communications offered Qwest a comprehensive package of products to improve
its network performance, along with a proven track record in the industry of
being able to provide large-scale service assurance for companies with
millions of North American customers.'

'Spirent's TestDSL approach gives Qwest the flexibility to meet its
aggressive strategy for expanding availability of advanced services, while
still realising critical business productivity goals,' said Des Wilson,
President of Spirent Communications' Network Monitoring division. 'This
agreement is yet more proof of our position as the North American DSL
service assurance standard.'

Nicholas Brookes, Chief Executive of Spirent plc, said:  'We are delighted
to have secured this groundbreaking contract with Qwest.  DSL is a rapidly
growing broadband technology and our leading position in this field provides
major opportunities for our Spirent Communications Network Monitoring
division worldwide.'


Enquiries:

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

Jon Coles/Rupert Young              Brunswick (London)   [phone]
Sara Strong/Nina Pawlak             Brunswick (New York) [phone]

Background note:

TestDSL hardware and software components that Qwest will employ include:
*   Central Office and remote terminal-based test probes and test access,
    using Spirent Communications' CopperMax (trade mark) hardware portfolio

*   OSS software for remote end-to-end DSL service testing, using Spirent
    Communications' industry-leading REACT 2001 (trade mark) operations
    support system
*   Professional services to manage the delivery and implementation of the
    solution in operations centres, central offices and remote terminals
    across Qwest's territory

Spirent plc is an international network technology company providing state-
of-the-art solutions with a focus on high growth, high margin activities.
Our Communications group unites leading edge performance analysis technology
with network operations expertise, enabling customers to accelerate the
development, deployment and assurance of next generation network equipment
and services worldwide. www.spirent.com

Spirent is quoted on the London Stock Exchange, ticker SPT. The Company
operates a Level 1 American Depository Receipt programme (ticker: SPNUY;
CUSIP number: 84856M100). For information, contact Brian Heston, The Bank of
New York, American Depositary Receipts, 101 Barclay St, 22 West, New York,
NY 10286 Phone: [phone], Fax: [phone], email:
[e-mail]  www.adrbny.com