NEWS

Tellabs Selects Wind River Platform for Network Equipment, VxWorks and Linux Edition

ALAMEDA, Calif. and CHICAGO – SUPERCOMM – June 7, 2005 – Wind River Systems, Inc. (NASDAQ:WIND), the global leader in Device Software Optimization (DSO), today announced that Tellabs, a leader in telecommunications equipment for service providers, has chosen Wind River® Platform for Network Equipment, VxWorks and Linux Edition, and professional services to develop and run its products.

"Wind River continues to serve as a strategic partner to Tellabs, helping us deliver on our commitment to bring cost-effective, reliable solutions to our customers," said Dan Kelly, Tellabs executive vice president, core products. "Wind River's Platform for Network Equipment improves Tellabs' time to market by delivering the pre-integrated solutions that meet our needs."

In order to remain competitive, network equipment providers are under increasing pressure to deliver better products to market faster while keeping costs in check. Wind River Platform for Network Equipment, VxWorks and Linux Edition, will help Tellabs to address those needs by enabling the company to standardize development and production across multiple projects with multiple operating systems.

"Wind River has become a bellwether in the Linux-based device software space," said John Bruggeman, chief marketing officer, Wind River. "With Wind River Platform for Network Equipment, Linux Edition, customers like Tellabs can implement and deploy carrier-grade telecommunications equipment more easily and gain efficiencies by leveraging software across multiple projects and operating systems."

To learn more about Wind River Platform for Network Equipment, Linux Edition, please visit Wind River Solutions: Network Infrastructure.

About Wind River
Wind River is the global leader in device software optimization (DSO). Wind River enables companies to develop and run device software faster, better, at a lower cost and more reliably. Wind River Platforms are pre-integrated, fully standardized enterprise-wide development solutions. They reduce effort, cost and risk, and optimize quality and reliability at all phases of the device software development process from concept to deployed product.

Founded in 1981, Wind River is headquartered in Alameda, California, with operations worldwide. To learn more, visit Wind River at http://www.windriver.com or call Wind River at 1-800-872-4977.

The Wind River logo is a trademark of Wind River Systems, Inc., and Wind River and VxWorks are registered trademarks of Wind River Systems, Inc. Other marks used herein are the property of the respective owners.

Contact Information
Jessica Miller
Global Corporate Communications