NATIONAL SEMICONDUCTOR COMPLETES SALE OF CYRIX PC PROCESSOR BUSINESS TO VIA TECHNOLOGIES

September 3, 1999 - National Semiconductor? Corporation (NYSE:NSM) today announced it has completed the sale of the assets of the Cyrix standalone PC processor business to VIA Technologies, Inc. As previously announced, a partial payment of the $167 million sale price was received at closing, with the remainder contingent on future revenues of the Cyrix product lines.

The sale includes the M II? x86-compatible processor and successor products. National Semiconductor will retain the integrated MediaGX? processor, which forms the core of National's new Geode? family of solutions for the Information Appliance market.

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 has annual sales of $2.0 billion and approximately 11,000 employees worldwide. Additional company and product information is available on the World Wide Web at www.national.com.