/ CORRECTION - North American Semiconductor Equipment Industry Posts July 2008 Book-to-Bill Ratio of 0.83

Market Wire, August, 2008

In the news release, "North American Semiconductor Equipment Industry Posts July 2008 Book-to-Bill Ratio of 0.83," issued earlier today by SEMI, we are advised by the company that the second sentence of the second paragraph should read "The bookings figure is three percent less than the final June 2008 level of $934 million, and about 36 percent less than the $1.41 billion in orders posted in July 2007" rather than "The bookings figure is three percent less than the final June 2008 level of $934 billion, and about 36 percent less than the $1.41 billion in orders posted in July 2007" as originally issued.

Association Contacts: Dan Tracy SEMI Tel: 1.408.943.7987 E-mail: Email Contact Jonathan Davis SEMI Tel: 1.408.943.6937 E-mail: Email Contact