The MathWorks, Wind River Sign Definitive Agreement for The MathWorks to Distribute, Support MATRIXx

Natick, Mass./Alameda, Calif., February 20, 2001 – The MathWorks, Inc., the leading supplier of technical computing software for engineers and scientists, and embedded systems design software, and Wind River Systems, Inc. (Nasdaq: WIND), a leading provider of software and services for smart devices in the Internet age, today announced a definitive agreement for The MathWorks to license the distribution rights for the MATRIXx® product family from Wind River. MATRIXx is a set of software tools used in the development of real time embedded control systems. This new relationship, while maintaining customer support, will enable the two companies to more closely integrate their products to better serve key target markets.

Under the agreement, Wind River grants The MathWorks exclusive distribution rights of MATRIXx and an option to purchase MATRIXx at the end of the licensing agreement. The MathWorks will assume the support of MATRIXx and will provide a transition plan to its MATLAB® and Simulink® family of products for customers who choose to migrate. Customers will receive two years of support for MATRIXx products from The MathWorks beginning April 2, 2001. Full details are available at each company's web site.

In addition to the distribution agreement, Wind River and The MathWorks have identified several areas of partnership where the two companies will work closely to integrate MathWorks products, including Simulink and Real-Time Workshop®, and Wind River products, including the Tornado® integrated development environment, the VxWorks® real-time operating system (RTOS) and OSEKWorks™, an RTOS designed especially for the automotive market. These areas of partnership will allow Wind River and The MathWorks to better serve the automotive, aerospace and defense and industrial markets.

"Wind River's core expertise is in embedded operating systems, run time components and development tools. The MathWorks is the premier supplier of technical computing software. This agreement will benefit our customers by allowing each of us to focus on the things we do best," said Tom St. Dennis, president and CEO of Wind River. "Wind River and The MathWorks have worked cooperatively to create a customer-focused support and transition plan, including easier access to The MathWorks products. We will continue to work together to achieve customer satisfaction."

"The MathWorks and Wind River's resources and strategies in this marketplace are synergistic," said Jack Little, president and CEO of MathWorks. "Working as strategic partners and building on the leadership of Wind River in the embedded market, we can provide better complementary products and services to help reduce our customers´ time to market in key vertical areas we are both interested in better serving."

About Wind River
Wind River is a worldwide leader in embedded software and services for creating connected smart devices. Wind River provides software development tools, real-time operating systems, and advanced connectivity for use in products throughout the Internet, telecommunications and data communications, digital imaging, digital consumer electronics, networking, medical, computer peripherals, automotive, industrial automation and control, and aerospace/defense markets. Wind River is HOW SMART THINGS THINK™. Founded in 1983, Wind River is headquartered in Alameda, California, with operations in sixteen countries worldwide.

Wind River Systems, the Wind River Systems logo, MATRIXx, Tornado, VxWorks and OSEKWorks are registered trademarks or trademarks of Wind River Systems, Inc. MATLAB, Simulink, and Real-Time Workshop are registered trademarks of The MathWorks, Inc. All other names mentioned are trademarks, registered trademarks or service marks of their respective companies.

Contact Information
Jessica Miller
Global Corporate Communications