National Semiconductor to Announce Results for Fourth Quarter of Fiscal 2006 and Year-end Totals on June 8

SANTA CLARA, Calif., May 18 /PRNewswire-FirstCall/ -- National Semiconductor Corporation will announce its fiscal year 2006 fourth-quarter and year-end results at approximately 1 p.m. PDT on June 8. National will host its quarterly conference call with financial analysts following the earnings release at 1:30 p.m. PDT.

Speakers: Brian Halla, chief executive officer Don Macleod, president and chief operating officer Lewis Chew, chief financial officer Long Ly, investor relations manager When: 1 p.m. PDT, June 8 -- earnings press release issued 1:30 p.m. PDT, June 8 -- conference call begins How: Participants may dial 888-889-2497 or 973-935-2981 Live audio Webcast at http://www.national.com/invest A dial-in replay of the earnings conference call will be available approximately two hours after the call has been completed. This replay will be available until June 15, 2006 . To hear the replay, you may call 877-519-4471 or 973-341-3080 and provide pin #7194244. An archive of the Webcast will be available at http://www.national.com/invest/conf.html and http://www.ccbn.com/ approximately one hour after the call has been completed. This Webcast will be available until September 7, 2006. About National Semiconductor

National Semiconductor, the industry's premier analog company, creates high performance analog devices and subsystems. National's leading-edge products include power management circuits, display drivers, audio and operational amplifiers, communication interface products and data conversion solutions. National's key analog markets include wireless handsets, displays and a variety of broad electronics markets, including medical, automotive, industrial, and test and measurement applications. Headquartered in Santa Clara, California, National reported sales of $1.91 billion for fiscal 2005, which ended May 29, 2005. Additional company and product information is available at http://www.national.com/.

Media Contact Investor Relations Contact Jeff Weir Long Ly National Semiconductor National Semiconductor 408-721-5199 408-721-4225 jeff.weir@nsc.com long.ly@nsc.com