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Accelerated Technology's Nucleus IPsec Encrypts and Safeguards Sensitive Data Sent Over the Internet

MOBILE, Ala., July 6, 2005 - Accelerated Technology, a Mentor Graphics division (Nasdaq: MENT), today announced the Nucleus{reg} Internet protocol security (IPsec) software, an embedded solution that provides data authentication and encryption over the Internet at the IP level. Embedded developers building defense applications and network equipment like routers and virtual private network (VPN) gateways can now implement the Nucleus IPsec software into their solutions to secure users' privacy.

The Nucleus IPsec software seamlessly integrates with the IPv4 layer and IPv6 layer of the Nucleus NET TCP/IP stack. This eliminates the need to modify any other layers of the open system interconnection (OSI) model (data link, transport and applications layers), in turn saving precious developers' resources to rewrite or modify their existing applications to secure IP traffic. Other Nucleus components available to developers are the Nucleus PLUS real-time kernel and the Nucleus Cipher Suite product including the Nucleus Cipher AES and the Nucleus L2TP software.

"The need for Internet security continues to increase as more and more embedded designers add network connectivity to their applications. The introduction of Nucleus IPsec software to the Nucleus networking portfolio is the answer to network security these designers are looking for," said Robert Day, director of marketing, Accelerated Technology Division, Mentor Graphics. "Whether adding IP security to an existing or a brand new design, the Nucleus IPsec software can seamlessly be dropped into the application."

Protection mechanisms provided by the Nucleus IPsec software are data origin authentication, data integrity, data confidentiality, anti-replay protection and limited traffic flow confidentiality. Through its administrative application programming interfaces (APIs), applications can manipulate the association and policy databases, affecting how traffic flows are protected as well as creating/destroying IPsec tunnels.

Realizing the varying needs of different embedded designs, the Nucleus IPsec software comes with a wide variety of authentication and encryption algorithms. In addition, the Nucleus IPsec software includes support for the Internet key exchange (IKE) protocol, which is used to establish dynamic, on-the-fly associations between two IP nodes discarding the need for manual keying.

The Nucleus IPsec software is also fully conformant with the Internet Engineering Task Force (IETF) IPsec specifications, ensuring inter-operability with other implementations. To help achieve a high level of conformance and inter-operability, the Nucleus IPsec software has been tested against Ixia's Automate Network Validation Library (ANVL), which contains almost 500 test cases for IPsec/IKE alone, as well as tested against FreeBSD, Windows XP, Windows 2003 Server and Feudora Linux.

Pricing and Availability

The Nucleus embedded software is sold in source code format and without royalty fees. Licenses for the Nucleus IPsec software begin at U.S. $19,995. For more information, please contact Accelerated Technology at 800-468-6853.

About Mentor Graphics

Mentor Graphics Corporation (Nasdaq: MENT) is a world leader in electronic hardware and software design solutions, providing products, consulting services and award-winning support for the world's most successful electronics and semiconductor companies. Established in 1981, the company reported revenues over the last 12 months of about $700 million and employs approximately 3,850 people worldwide. Corporate headquarters are located at 8005 S.W. Boeckman Road, Wilsonville, Oregon 97070-7777; Silicon Valley headquarters are located at 1001 Ridder Park Drive, San Jose, California 95131-2314. World Wide Web site: http://www.mentor.com/.

Accelerated Technology, a division of Mentor Graphics Corporation, is located in Mobile, Alabama and has engineering sites, sales offices and distributors worldwide. As a leading provider of royalty-free, embedded real-time operating system (RTOS) software, Accelerated Technology helps developers accelerate product time-to-market in a wide range of embedded device applications. Its comprehensive Nucleus RTOS includes a high-level design UML suite, graphical prototyping tools, kernels, middleware and Eclipse-based development tools. For more information, please email us at embedded_info@mentor.com.

Mentor Graphics, Accelerated Technology and Nucleus are registered trademarks of Mentor Graphics Corporation. All other company or product names are the registered trademarks or trademarks of their respective owners.

For more information, please contact:

Jennifer Tanveer
Mentor Graphics/Accelerated Technology
251.208.3400 ext 3415
jennifer_tanveer@mentor.com

Sonia Harrison
Mentor Graphics
503.685.1165
sonia_harrison@mentor.com