Excel Switching Selects Coverity's Source Code Analysis Solution
Solution to Detect Complex Software Defects

SAN FRANCISCO, September 19, 2005 – Coverity Inc., makers of the world's most advanced and scalable source code analysis solution for pinpointing software defects and security vulnerabilities, today announced that Excel Switching Corporation has selected Coverity Prevent™.

Coverity Prevent™ allows Excel's development staff to conduct intensive source code analysis for defects and vulnerabilities across Excel's family of carrier-class open services platforms, media gateways, media servers and signaling servers.

"Coverity is working closely with network equipment providers like Excel Switching to bring VoIP and data networks to 99.999 percent service uptimes," said Seth Hallem, CEO of Coverity. "The next generation of telecommunications services will be powered by complex software systems, and we're committed to getting the defects out of the software before these systems are deployed."

Adds Tim Locascio, Chief Technology Officer and System Architect, Excel Switching Corp., "By partnering with Coverity, we are able to test millions of software scenarios prior to shipping the first products thereby ensuring that our customers are receiving the carrier-grade quality product upon which Excel has successfully built its business for nearly two decades."

About Coverity, Inc.
Coverity (www.coverity.com), makers of the world's most advanced and scalable source code analysis solution for pinpointing software defects and security vulnerabilities, is a privately-held company headquartered in San Francisco. Coverity was founded in 2002 by leading Stanford University scientists whose four-year research project resulted in a breakthrough approach for addressing the costliest problem in the software industry. That research breakthrough allows developers to quickly and precisely eliminate software defects and security vulnerabilities in tens of millions of lines of new or legacy code. Today, Coverity's solution is used by more than 40 leading companies to significantly improve the quality of their software, including Juniper Networks, VERITAS, McAfee, Synopsys, NASA, PalmOne, Sun Microsystems and Wind River.

About Excel Switching Corporation
Founded in 1988, Excel Switching Corporation is a leading provider of carrier-class media gateways, media servers, signaling gateways, and enhanced service platforms for original equipment manufacturers, value-added resellers, and service providers. As a profitable company with more than 8,500 systems deployed in more than 80 countries, Excel addresses carrier needs for profitable applications by delivering a family of platforms that bridge fixed, mobile, and IP networks, thereby lowering costs, improving call quality, and simplifying network operations. By working closely with its partners, Excel supplies service providers with highly reliable, localized solutions designed to meet their immediate and future needs. For more information, visit www.ExcelSwitching.com.

Media Contacts
Bret Clement
Page One PR for Coverity
bret@pageonepr.com
(303) 462-3057

David Park
dave@coverity.com
(415) 321-5204