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 fourth quarter 2005 earnings on Wednesday, January 25, 2006, at 1:30 PM Pacific Time/4:30 PM 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 fourth quarter 2005 earnings will be released after the stock market closes on January 25, 2006, 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 719-457-2650 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 1421212. A replay of the webcast will be available for five business days. About PMC-Sierra PMC-Sierra(TM) is a leading provider of broadband communications and storage semiconductors for enterprise, access, metro, storage, wireless infrastructure and customer premises equipment. The company offers worldwide technical and sales support, including a network of offices throughout 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. 2006. PMC, PMCS, PMC-Sierra and "Thinking you can build on" are trademarks of PMC-Sierra, Inc.