PMCS (MM)

PMC-Sierra, Inc. (Nasdaq:PMCS) today announced the Company will conduct a conference call with the financial community following the release of its third quarter 2005 earnings on Wednesday, October 19, 2005 at 1:30 P.M. Pacific Time/4:30 P.M. Eastern Time. The conference call will be conducted by Mr. Robert Bailey, PMC-Sierra's Chairman and Chief Executive Officer and Mr. Alan Krock, Vice President and Chief Financial Officer. PMC-Sierra's third quarter 2005 earnings will be released after the stock market closes on October 19, 2005 and will be available at www.pmc-sierra.com. The conference call webcast will be accessible under the Financial Events and Calendar section at http://investor.pmc-sierra.com/. To listen to the conference call live by telephone, dial 719-457-2693 approximately ten minutes before the start time. A telephone playback will be available after the completion of the call and can be accessed at 719-457-0820 using the access code 3494436. A replay of the webcast will be available for five business days. About PMC-Sierra PMC-Sierra(TM) is a leading provider of high-speed broadband communications semiconductors, storage semiconductors and microprocessors. The company offers worldwide technical and sales support through its network of offices in North America, Europe and Asia. The company is publicly traded on the NASDAQ Stock Market under the PMCS symbol and is included in the S&P 500 Index. For more information, visit www.pmc-sierra.com. (C) Copyright PMC-Sierra, Inc. 2005. PMC, PMCS, PMC-Sierra and "Thinking you can build on" are trademarks of PMC-Sierra, Inc.