Item 5.02 Departure of Directors or Certain Officers; Election of Directors;
Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

As previously reported on October 9, 2009 by MEMC Electronic Materials, Inc. (the "Company"), Timothy C. Oliver joined the Company as Chief Financial Officer effective November 2, 2009. On that date, Kenneth H. Hannah resigned as Chief Financial Officer but continued as principal financial and accounting officer of the Company as well as Executive Vice President and President - Solar Materials. Effective November 5, 2009, after the filing of the Company's Form 10-Q for the quarter ended September 30, 2009 with the Securities and Exchange Commission, Kenneth H. Hannah resigned as principal financial and accounting officer of the Company and Timothy C. Oliver assumed those offices. Mr. Hannah will continue as Executive Vice President and President - Solar Materials.

---