ALAMEDA, Calif. - March 20, 2006 - Wind River Systems, Inc. (NASDAQ:WIND), the global leader in Device Software Optimization (DSO), today announced that it has acquired privately-held Interpeak AB of Stockholm, Sweden. Interpeak is the leading provider of networking, security and mobility middleware software that enables next-generation devices to connect securely to the Internet. This acquisition broadens Wind River's device software platform with complementary, high-quality, secure networking technology and strengthens the company's ability to provide device manufacturers with increased platform scalability and expanded safety and mission critical certification support.

Under the terms of the agreement, Wind River paid approximately $20 million in cash and restricted stock for Interpeak. Wind River anticipates this acquisition will be mildly accretive in Fiscal Year 2007 and is not changing its NonGAAP financial guidance for Q1 or the Fiscal Year that was given on March 8th, 2006 in its fiscal year 2006 earnings release. Wind River's Fiscal Year 2007 ends January 31, 2007.

"Wind River and Interpeak are DSO companies that share a cohesive philosophy and offer complementary technology to a common installed base," said Ken Klein, chairman, president and chief executive officer, Wind River. "As the explosive growth of connected devices continues, device manufacturers will require a high-quality, secure networking stack that can run universally on both our RTOS and Linux based platforms. Interpeak's secure, certifiable, networking expertise will enhance Wind River's DSO strategy for delivering a standardized device software development approach that provides customers with the choice and flexibility to build any type of connected device."

Interpeak offers numerous products that securely connect next-generation devices to the Internet. Interpeak's networking, security and mobility products help developers add functionality and improve device and equipment quality across a wide range of markets including wireless devices, wireless infrastructure, network infrastructure and safety and mission critical devices. Alongside Wind River, Interpeak's extensive expertise in IPv6, routing, wireless and mobility technologies will enable device and equipment manufacturers to deliver their products to market more quickly and offer the latest networking and security capabilities.

By integrating Interpeak's secure networking technology, Wind River will provide its customers with broader functionality including a secure networking middleware stack that can run on either Wind River VxWorks or Linux based platforms; increased scalability to support secure networking requirements for even the smallest footprint devices and expanded safety and mission critical certification support.

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 www.windriver.com or call Wind River at 1-800-872-4977.