REDWOOD CITY, Calif.--(BUSINESS WIRE)--Maxygen, Inc. (Nasdaq:MAXY), a biotechnology company focused on the development of improved protein drugs, will host a conference call to discuss the company’s first quarter 2009 financial results and business updates at 4:30 p.m. ET (1:30 p.m. PT) on Monday, May 11, 2009. Russell Howard, Maxygen’s chief executive officer, will host the call. A press release announcing Maxygen’s first quarter 2009 financial results will be issued that same day at approximately 4:00 p.m. ET (1:00 p.m. PT).