PMC’s Innovative Storage Solutions Accelerate SAS Adoption in Storage Systems
and Servers

SUNNYVALE, Calif., June 13, 2011 – PMC-Sierra, Inc. (“PMC,” Nasdaq:PMCS), the network semiconductor innovator, today announced that the company has shipped more than 74 million 6Gb/s SAS system ports, establishing PMC as the leading provider of 6Gb/s SAS technology. Unprecedented demand for storage capacity and performance is fueling wide-spread deployment of 6Gb/s SAS 2.5″ Small-Form-Factor Hard Disk Drives in both server and networked storage systems. PMC’s end-to-end 6Gb/s SAS chipset solution, including Tachyon® SPC protocol controllers, SRCv RAID-on-Chip controllers, and the maxSAS™ family of expanders, is enabling the world’s leading storage and server OEMs to rapidly transition from 3Gb/s SAS to 6Gb/s SAS with industry-leading performance, scalability and power efficiency.

“PMC was the first to achieve volume production of a 6Gb/s SAS chipset in 2009, and our technology innovation continues to accelerate SAS adoption,” said Travis Karr, vice president and general manager of PMC’s Enterprise Storage Division. “This milestone of shipping over
74 million 6Gb/s SAS system ports is substantially more than our nearest competitor, demonstrating PMC’s leadership in the SAS-2 build out.”

About PMC’s Storage Products
PMC is a leading provider of enterprise storage system solutions for networked (SAN/NAS) and server storage applications, with a broad portfolio SAS/SATA and Fibre Channel protocol controllers, RAID controllers and SAS and FC disk interconnect products. PMC’s Tachyon protocol controllers, Fibre Channel loop switches, enclosure management controllers and maxSAS expander switches and multiplexers provide the industry’s 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 PMC
PMC (Nasdaq:PMCS) is the semiconductor innovator transforming networks that connect, move and store digital content. Building on a track record of technology leadership, we are driving innovation across storage, optical and mobile networks. Our highly integrated solutions increase performance and enable next generation services to accelerate the network transformation.
For more information visit www.pmc-sierra.com.

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© Copyright PMC-Sierra, Inc. 2011. All rights reserved. PMC, PMC-SIERRA, Tachyon and “Enabling connectivity. Empowering people.” are registered trademarks of PMC-Sierra, Inc. in the United States and other countries, PMCS and maxSAS are trademarks of PMC-Sierra, Inc. Other product and company names mentioned herein may be trademarks of their respective owners.