Catapult Chief Technology Officer Announces Retirement

Mountain View, CA March 5, 2008. Catapult Communications Corporation (Nasdaq: CATT) announced today the planned retirement of Glenn Stewart, effective March 31, 2008. Having joined Catapult as the company's first VP of Engineering, Mr. Stewart managed the worldwide engineering organization from 1992 through 2003. He has been the CTO from 2003 to present.

In announcing his retirement, Mr. Stewart said, “As I look forward to my future, I would like to thank everyone at Catapult who have made the experience of growing this company so rewarding.  Catapult's business has been built on protocol technology evolution in the telecommunications industry and the past 15 years have been an especially active period.  It has been a genuine pleasure to work with our customers in support of their projects."

Dr. Richard Karp, Chairman & CEO, said, "We are very grateful for the contributions Glenn has made to the company over the years. Glenn brought excellent engineering and telecom expertise to Catapult and has continued to be a strong contributor ever since. Glenn’s knowledge and experience will certainly be missed. There are no plans to replace Glenn’s position, and the duties and responsibilities of his position will be assigned to other officers.

About Catapult Communications
Catapult Communications is a leading supplier of advanced digital telecom test systems to global equipment manufacturers and service providers, including Alcatel-Lucent, Ericsson, Motorola, NEC, NTT DoCoMo, Nortel and Nokia Siemens Networks. The Catapult DCT2000® and MGTS® systems deliver superior high-end test solutions for hundreds of protocols and variants – spanning LTE, IMS, WiMAX, mobile telephony, VoIP, GPRS, SS7, Intelligent Network, ATM and ISDN. The Company is committed to providing testing tools that are at the forefront of the telecom technology curve.

Catapult is headquartered at 160 South Whisman Road, Mountain View, CA 94041. Tel: 650-960-1025. International offices are located in the U.K., Ireland, Germany, France, Finland, Sweden, Canada, Japan, China, Australia, India and the Philippines. Information about Catapult Communications can be found on the Web at www.catapult.com.

FORWARD LOOKING STATEMENTS
The statements in this press release regarding the potential for the Company's advanced telecom testing solutions and the prospect of continued growth are forward-looking statements. These statements are subject to various risks and uncertainties that could cause actual results to differ from those forecasted. Such risks include the demand for telecommunications equipment in general, and, in particular, for software-based telecommunications test systems; and new and enhanced product offerings by competitors. For other factors that may cause actual results to differ from those projected, please refer to the Company's Form 10-K, Forms 10-Q and other filings with the Securities and Exchange Commission.