Santa Barbara, CA. May 22, 2001 -- Green Hills Software, a leading provider of royalty-free operating systems and development tools for Motorola processors, is pleased to announce its Platinum Sponsorship of Motorola's premier Smart Networks Developer Forum. The invitation-only forum, taking place at the Hyatt Regency, New Orleans May 20-23, will gather the world's leading developers and Smart Networks Platform partners. Participants will discuss best practices and new technologies for building and bringing to market programmable and upgradeable networking systems for applications ranging from SOHO and access, to edge and core.

"We are honored to be a Platinum Sponsor of this exciting event," said John Carbone, vice president of marketing for Green Hills Software. "As a Motorola Smart Network Partner, we look forward to sharing ideas with other leaders in our industry and strengthening our position as a preferred tool and RTOS provider to Motorola customers." As a platinum sponsor of the Smart Network Developer Forum, Green Hills will contribute a series of educational presentations on development tools for embedded Linux, high-reliability real-time operating systems, and industry trends such as "the end of the age of royalties". Green Hills will also showcase many of its products in the forum's Technology Lab, including the MULTI® 2000 IDE, INTEGRITY® 2000 real-time operating system, embedded Linux support, and new auto-vectorizing AltiVec compilers.

About Green Hills Software

Incorporated in 1982, Green Hills Software, Inc., is a leading supplier of royalty-free Real-Time Operating Systems (RTOS) and software development tools for 32- and 64-bit embedded systems. Green Hills' royalty-free ThreadX® and INTEGRITY® real-time operating systems, fully integrate with its market leading compilers and MULTI® Integrated Development Environment (IDE), providing a total development and run-time solution that addresses both deeply embedded and maximum reliability applications. Green Hills Software is headquartered in Santa Barbara, CA, with international headquarters in the United Kingdom. For more information on Green Hills Software products, please call 805-965-6044 or email inquiries to sales@ghs.com.

About Motorola

As the world's #1 producer of embedded processors, Motorola's Semiconductor Products Sector offers multiple DigitalDNA™ technologies which enable its customers to create "smart" products and new business opportunities in the networking and computing, wireless communications, transportation, and home networking markets. Motorola's worldwide semiconductor sales were $7.9 billion (USD) in 2000. http://www.motorola.com/semiconductors/ .

For information about Green Hills Software's Alliance for Products and Technology with Motorola, or to receive more information on Green Hills' activities at the Smart Network Developer Forum, contact Lynn Robinson at (805) 965-6044 or lynnr@ghs.com.

Motorola, Inc. (NYSE:MOT) is a global leader in providing integrated communications and embedded electronic solutions. Sales in 2000 were $37.6 billion. http://www.motorola.com.