Tekelec Closes Sale of IEX to NICE-Systems Ltd. (email this article)

Morrisville, N.C. — July 6, 2006 — Tekelec (NASDAQ: TKLC) (Company Profile, Past Stories, Case Studies), a leading developer of high-performance network applications for next-generation fixed, mobile and packet networks, today announced that it has closed the sale of its IEX business unit to NICE Systems Inc., a subsidiary of NICE-Systems Ltd. (NASDAQ: NICE).

As previously announced, in April 2006, Tekelec and NICE-Systems Ltd. entered into a definitive agreement for the purchase by NICE-Systems Ltd. from Tekelec of all of the stock of Tekelec's wholly owned subsidiary, IEX Corporation, a leading global provider of workforce management and optimization technology for contact centers. The purchase price was $200 million in cash, subject to a post-closing working capital adjustment. The Company estimates that it will realize net proceeds of $160-$165 million, after payment of applicable income taxes and transaction costs.

FORWARD-LOOKING STATEMENTS
Certain statements made in this press release are forward looking, reflect the Company's current intent, belief or expectations and involve certain risks and uncertainties. Factors that may cause the net proceeds to the Company from its sale of IEX to differ from the Company's current expectations include, among others, the risk of a significant working capital adjustment to the IEX purchase price. The Company undertakes no obligation to publicly update any forward-looking statements whether as a result of new information, future events or otherwise.

About Tekelec
Tekelec is a high-performance network applications company that is accelerating the transition to Internet protocol multimedia subsystem (IMS) networks for service providers around the globe. With its experience at the intersection of network applications and session control, Tekelec creates highly efficient platforms for managing media and delivering network solutions. Corporate headquarters are located near Research Triangle Park in Morrisville, N.C., with research and development facilities and sales offices throughout the world. For more information, please visit www.tekelec.com.