Mentor Graphics to Release Q2 Financial Results on August 20

Mentor Graphics Corporation (NASDAQ: MENT) announced that it will release financial results for its second fiscal quarter, which ended July 31, 2008, on Wednesday, August 20 at 5:00 a.m. Pacific Time. Following the release, Mentor will host a live webcast to discuss the outcome of Q2 Fiscal Year 2009, beginning at 5:30 a.m. Pacific Time.

What: Mentor Graphics live webcast of Q2 Fiscal Year 2009 financial results

When: Wednesday, August 20 at 5:30 a.m. Pacific Time.

Webcast: www.mentor.com/company/investor_relations

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 $850 million and employs approximately 4,200 people worldwide. Corporate headquarters are located at 8005 S.W. Boeckman Road, Wilsonville, Oregon 97070-7777. World Wide Web site: www.mentor.com/.