MEMC Announces Availability and Timing of Mid-Quarter Update Conference Call

    ST. PETERS, Mo., Aug. 21 /EMWNews/ -- MEMC Electronic

Materials, Inc. (NYSE: WFR) invites investors to listen to a broadcast of

the Company's conference call to discuss its mid-quarter update for the

third quarter of 2008. The live webcast will take place on Tuesday,

September 2, 2008 at 5:00 p.m. Eastern Time at http://www.memc.com. Participating

in the call will be Nabeel Gareeb, President and Chief Executive Officer,

and Ken Hannah, Senior Vice President and Chief Financial Officer. A replay

of the call will be available until 11:59 p.m. Eastern Time on September

10, 2008 on the Company's web site at http://www.memc.com.

    About MEMC



    MEMC is a global leader in the manufacture and sale of wafers and

related intermediate products to the semiconductor and solar industries.

MEMC has been a pioneer in the design and development of wafer technologies

over the past four decades. 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. MEMC's common stock is listed on the

New York Stock Exchange under the ticker 'WFR' and is included in the S&P

500 Index.