National Semiconductor to Announce Results for First Quarter Fiscal 2010 on September 10

National Semiconductor Corp. (NYSE:NSM) will announce its fiscal year 2010 first quarter results at approximately 1 p.m. PDT on Thursday, Sept. 10. National will host its quarterly conference call with financial analysts following the earnings release at 1:30 p.m. PDT

Speakers:
Brian Halla, chairman and chief executive officer
Don Macleod, president and chief operating officer
Lewis Chew, chief financial officer
Mark Veeh, investor relations manager

When:
Thursday, Sept. 10
1 p.m. - earnings press release issued
1:30 p.m. - conference call begins

How:
Participants may dial (888) 434-6355 or (706) 902-0309
Live audio Webcast at http://www.national.com/analog/invest

A dial-in replay of the earnings conference call will be available approximately one hour after the call has been completed. This replay will be available until Sept. 17, 2009. To hear the replay, you may call (800) 642-1687 or (706) 645-9291 and provide pin #15808535

An archive of the Webcast will be available at http://www.national.com/analog/invest/conf and also through Street Events at www.thomsonone.com approximately one hour after the call has been completed. This Webcast will be available until Dec. 10, 2009.

About National Semiconductor
National Semiconductor is a leader in analog power management technology. Its products include easy-to-use integrated circuits, PowerWise products that enable more energy-efficient systems, and SolarMagic products which improve the energy output of solar arrays. The company celebrates its 50th anniversary this year. Headquartered in Santa Clara, Calif., National reported sales of $1.46 billion for fiscal 2009. Additional information is available at www.national.com.