MEMC Schedules First Quarter Conference Call

ST. PETERS, Mo., April 27, 2011 /PRNewswire/ -- MEMC Electronic Materials, Inc. (NYSE: WFR) invites investors to listen to a broadcast of the Company's conference call to discuss first quarter 2011 financial results.  The live webcast will take place on Wednesday, May 4, 2011 at 5:30 p.m. Eastern Time at www.memc.com.  Participating in the call will be Ahmad Chatila, Chief Executive Officer, and Mark Murphy, Chief Financial Officer. A replay of the call will be available until 11:59 p.m. Eastern Time on May 11, 2011 on the Company's web site at www.memc.com.

About MEMC

MEMC is a global leader in semiconductor and solar technology. MEMC has been a pioneer in the design and development of silicon wafer technologies for over 50 years. With R&D and manufacturing facilities in the U.S., Europe and Asia, MEMC enables the next generation of high performance semiconductor devices and solar cells. Through its SunEdison subsidiary, MEMC is also a developer of solar power projects and a worldwide leader in solar energy services.

MEMC's common stock is listed on the New York Stock Exchange under the symbol "WFR" and is included in the S&P 500 Index. For more information about MEMC, please visit www.memc.com.

SOURCE MEMC Electronic Materials, Inc.