NATIONAL SEMICONDUCTOR CALLS FOR REDEMPTION OF 6-1/2 PERCENT CONVERTIBLE SUBORDINATED NOTES

October 6, 1999-National Semiconductor Corporation (NSM:NYSE) ("National") today announced that it will redeem all outstanding notes of its 6-1/2 percent Convertible Subordinated Notes due 2002 (the "Notes") on November 12, 1999.

Holders of the Notes as of the redemption date of Friday, November 12, 1999 will receive a price of 102.786 percent of the principal amount.

Holders of the Notes as of the redemption date of November 12, 1999 will receive accrued interest through November 11, 1999. No interest shall accrue after November 11, 1999.

A notice of redemption is being mailed to all registered holders of the Notes as of October 7, 1999. Copies of the notice may be obtained from State Street Bank and Trust Company, Corporate Trust Department, P.O. Box 778, Boston, MA 02102-0778, Telephone: (800) 531-0368.

The right to convert the Notes to National common shares at a conversion price of $42.78 will expire on November 10, 1999 at 5:00 p.m. Eastern Standard Time.

National Semiconductor provides system-on-a-chip solutions for the information age. Combining real-world analog and state-of the-art digital technology, the company's chips lead many sectors of the personal computer, communications, and consumer markets. With headquarters in Santa Clara, California, National reported sales of $2 billion for its last fiscal year and has about 11,000 employees worldwide. Additional company and product information is available on the World Wide Web at www.national.com.