WILSONVILLE, Ore.--(BUSINESS WIRE)--Mentor Graphics Corporation (NASDAQ: MENT) today announced they will release financial results for the company's first fiscal quarter, ended April 30, 2015, on Friday, May 22, 2015 at approximately 5:00 am Pacific. Live audio webcast at http://www.mentor.com/company/investor_relations. Please register at this website prior to the scheduled call time of 5:30 am Pacific. Conference call replay: Begins May 22, 2015 (7:30 am Pacific); Ends May 29, 2015 (11:59 pm