ADVISORY/PMC-Sierra Executives Present at Communications Design Conference 2002.

Business Editors/High-Tech Writers

Communications Design Conference 2002

ADVISORY... for Monday (Sept. 23)

--(BUSINESS WIRE)

PMC-Sierra (Nasdaq:PMCS)

    WHO: Laurie Wallace, Director, Strategic Marketing, Wireless
         Products of PMC-Sierra's Service Provider Division

         Steve Perna, Vice President and General Manager of
         PMC-Sierra's Service Provider Division

    WHAT: Laurie Wallace, Director, Strategic Marketing of
          PMC-Sierra's Service Provider Division, will be presenting
          "Digital Correction Signal Processors for Next-Generation
          Wireless Infrastructure Design" on Tuesday, September 24,
          2002 at 1:00 pm.

          Steve Perna, Vice President and General Manager of
          PMC-Sierra's Service Provider Division, will be presenting
          "Building the Future SONET/SDH Channel Bandwidth" on
          Tuesday, September 24, 2002 at 2:45 pm.

          For more information, visit
          http://www.commdesignconference.com.

    WHEN: September 23-26, 2002

    WHERE: San Jose Convention Center, San Jose, CA

About PMC-Sierra

PMC-Sierra is a leading provider of high speed broadband communications semiconductors and MIPS-based processors for Enterprise, Access, Metro Optical Transport, Storage Area Networking and Wireless network equipment that makes up the backbone of the Internet. The company offers worldwide technical and sales support, including a network of offices throughout North America, Europe and Asia. PMC-Sierra is included in the S&P 500 Index which consists of 500 stocks chosen for market size, liquidity, and industry group representation and in the NASDAQ-100 Index (NDX) which contains the largest non-financial companies on the NASDAQ Stock Market. The company is publicly traded on the NASDAQ Stock Market under the PMCS symbol. For more information, visit http://www.pmc-sierra.com.