PMC-Sierra Announces RAID Development Agreement with IBM

Joint Technology Development Accelerates PMC-Sierra's RAID Product
Solutions for the Enterprise Server and Storage Markets
SANTA CLARA, Calif.--(Business Wire)--
PMC-Sierra, Inc. (NASDAQ:PMCS) today announced a multi-year joint
development agreement with IBM (NYSE:IBM) for RAID technology.
Building on PMC-Sierra's industry-leading 6Gbit/s SAS and 8Gbit/s
Fibre Channel storage protocol controller family and IBM's extensive
RAID technology, this agreement is expected to accelerate the
development and industry availability of innovative RAID chipset and
software solutions, enabling the next generation of enterprise server
and storage system designs.

"PMC-Sierra is committed to providing our customers with
innovative, industry-leading storage chipset solutions," said Bob
Bailey, President and CEO of PMC-Sierra. "Our joint technology
development program with IBM combines the strengths of two industry
leaders to accelerate RAID product solutions for broad customer and
industry benefit."

"IBM continues to expand the scope of its successful innovation
network strategy and develop new initiatives for collaborative R&D,"
said Bernard Meyerson, IBM Fellow and Vice President of Strategic
Alliances. "We are pleased to have PMC-Sierra as a RAID technology
development partner and member of IBM's innovation network."

About PMC-Sierra's Storage Products

PMC-Sierra is a leading provider of enterprise storage system
solutions for networked (SAN/NAS) and server storage applications,
with a broad portfolio of Fibre Channel and SAS/SATA protocol
controllers, encryption protocol controllers, RAID controllers and
disk interconnect products. PMC-Sierra's Tachyon(R) protocol
controllers, Fibre Channel loop switches, enclosure management
controllers and maxSAS(TM) expander switches and multiplexers provide
the most comprehensive solution for enterprise-class storage systems.
Together, these products are providing end-to-end semiconductor and
software solutions to the industry's leading storage OEMs and ODMs.
For more information, visit http://www.pmc-sierra.com/storage.

About IBM

For more information about IBM visit http://www.ibm.com.

About PMC-Sierra

PMC-Sierra(TM) is a leading provider of broadband communications
and storage semiconductors for metro, access, fiber to the home,
wireless infrastructure, storage, laser printers, and fiber access
gateway equipment. PMC-Sierra offers worldwide technical and sales
support, including a network of offices throughout North America,
Europe, Israel and Asia. The company is publicly traded on the NASDAQ
Stock Market under the PMCS symbol. For more information, visit
www.pmc-sierra.com.

(C) Copyright PMC-Sierra, Inc. 2008. All rights reserved. PMC and
Tachyon are registered trademarks of PMC-Sierra, Inc. in the United
States and other countries. PMC-SIERRA, PMCS, maxSAS and "Enabling
connectivity. Empowering people." are trademarks of PMC-Sierra, Inc.
Other product and company names mentioned herein may be trademarks of
their respective owners.

PMC-Sierra:
Susan Shaw, +1 408-988-8515
susan_shaw@pmc-sierra.com
or
US Editorial:
Christian Bateman, +1 415-882-9494
batemanc@loomisgroup.com
or
China Editorial:
Jo Soo, +011 852-2837-4744
jo.soo@edelman.com
or
Japan Editorial:
Toshiyuki Okazaki, +011 81-3-5351-7614
okazakit@loomisgroup.com

Copyright Business Wire 2008