Mentor Graphics Corporation (Nasdaq: MENT) today announced that Walden C. Rhines, chairman and CEO, will present the keynote at The Integrated Electrical Solutions Forum (IESF) in Orlando, Florida on May 1, 2008. Registration and more information is available here: www.mentor.com/events/transconf/

Who: Walden C. Rhines, chairman and CEO Mentor Graphics Corporation

What: Will present, “Next Steps in Military and Aerospace Electrical/Electronic

Design Automation” at The Integrated Electrical Solutions Forum

Where: Disney Yacht Club, 1700 EPCOT Resorts Boulevard, Lake Buena Vista, Florida, 32830-1000

When: Presentation takes place 9:05 AM Eastern Time on Thursday, May 1.

The Integrated Electrical Solutions Forum (IESF), now in its 7th year, has become one of the leading events for Electrical and Electronic Systems Design, Modeling, Simulation and Analysis within the Automotive and Military/Aerospace Industries. The IESF series runs throughout the year with focused, industry-specific events worldwide. A list of current dates and locations of upcoming scheduled IESFs appear at the bottom of this page: www.mentor.com/events/transconf/

The one day free event in Orlando is specially focused Military and Aerospace, and also includes a full track focused on Safety Critical Systems and DO-254.

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 worlds most successful electronics and semiconductor companies. Established in 1981, the company reported revenues over the last 12 months of over $875 million and employs approximately 4,350 people worldwide. Corporate headquarters are located at 8005 S.W. Boeckman Road, Wilsonville, Oregon 97070-7777. World Wide Web site: www.mentor.com/.