REDWOOD CITY, Calif.--(BUSINESS WIRE)--Maxygen, Inc. (Nasdaq:MAXY), a biotechnology company focused on the development of improved protein drugs, announced that it will release its second quarter 2009 financial results on Thursday, August 6, 2009 at approximately 4:00 p.m. ET (1:00 p.m. PT). The earnings release will be available online at www.maxygen.com and will be filed with the Securities and Exchange Commission. Maxygen will not host a conference call in connection with its second quarter results.