Cable & Wireless chooses telent for site rationalisation programme

London — 16 May 2007 — telent plc (LSE: TLNT), a leading provider of technology services, today announced that it has been chosen by Cable & Wireless as a strategic partner for its Site Rationalisation programme. The two-year frame contract will see telent provide technical and on-site expertise to remove technical network systems from sites that have been earmarked for closure.

It is anticipated that Cable & Wireless will work with telent on a site-by-site basis over the two-year period. The frame contract provides for a number of services to be selected by Cable & Wireless as required, including network planning, circuit migrations and re-provision, technical support, project management, customer equipment recovery and disposal, and logistics support.

"Cable & Wireless has been a key customer for many years and I’m pleased that we are able to support them with this important project,” said Mark Plato, CEO of telent.

Mark Frost, Head of the Site Rationalisation Programme, Cable & Wireless, said, “telent has provenexperience in managing similar projects and was selected by Cable & Wireless for their understanding of our business drivers, as well as the specific requirements of the site rationalisation programme.

“The Cable & Wireless and telent teams have worked very closely to reach this position and we’re looking forward to the joint programme team successfully collaborating to enable Cable & Wireless to optimise its asset base, and deliver a better service to our customers.”

About telent plc:

telent plc supplies a broad range of communications support services to telecommunications operators, as well as to large enterprises and government agencies in the UK and Germany, leveraging its accumulated knowledge of customers’ networks, its expert field force, its scale and reputation for quality.

The company is listed on the London Stock Exchange under the symbol TLNT. Additional information about telent plc can be found at www.telent.com/.

Press enquiries:
National and Financial Press tel: +44 (0)20 7936 9604 ; email: press.enquiries@telent.com

Trade Press tel: +44 (0)7809 221 012; email: helen@bcspr.co.uk

Investor and Analyst enquiries:
tel: +44 (0)20 7005 6231 ; email: investor.relations@telent.com

It is possible that this announcement could or may contain forward-looking statements that are based on current expectations or beliefs, as well as assumptions about future events. These forward-looking statements can be identified by the fact that they do not relate only to historical or current facts. Forward-looking statements often use words such as anticipate, target, expect, estimate, intend, plan, goal, believe, will, may, should, would, could or other words of similar meaning. Undue reliance should not be placed on any such statements because, by their very nature, they are subject to known and unknown risks and uncertainties and can be affected by other factors that could cause actual results, and telent's plans and objectives, to differ materially from those expressed or implied in the forward-looking statements.

There are several factors which could cause actual results to differ materially from those expressed or implied in forward looking statements. Among the factors that could cause actual results to differ materially from those described in the forward-looking statements are delays in obtaining, or adverse conditions contained in regulatory approvals, competition and industry restructuring, changes in economic conditions, currency fluctuations, changes in interest and tax rates, changes in energy market prices, changes in laws, regulations or regulatory policies, developments in legal or public policy doctrines, technological developments, the failure to retain key management, or the key timing and success of future acquisition opportunities.

telent undertakes no obligation to revise or update any forward looking statement contained within this announcement, regardless of whether those statements are affected as a result of new information, future events or otherwise, save as required by law and regulations.