October 3, 2006

QLOGIC TO ACQUIRE SILVERSTORM TECHNOLOGIES

QLogic's InfiniBand Portfolio to be Expanded with Clustered Server Networking

Aliso Viejo, Calif., October 3, 2006 – QLogic® Corporation (Nasdaq:QLGC), the leader in Fibre Channel host bus adapters (HBAs), stackable switches and blade server switches, today announced that it has entered into a definitive agreement to acquire SilverStorm Technologies, Inc. Pursuant to the terms of the agreement, the Company will pay approximately $60 million in cash. The acquisition has been approved by the board of directors of each company and is expected to close following the satisfaction of customary closing conditions. Based on current projections, the Company anticipates that the acquisition of SilverStorm will be neutral to its non-GAAP earnings per share for fiscal year 2007. The Company will provide additional details regarding the acquisition during its second quarter fiscal 2007 earnings conference scheduled for October 24, 2006.

"The acquisition of SilverStorm builds on our portfolio of InfiniBand connectivity technology which will provide our customers with a leading edge, end-to-end solution," said H.K. Desai, the Company's chief executive officer and president. "This is a rapidly emerging market and having a known and trusted supplier of infrastructure connectivity products, delivering an end-to-end solution, will accelerate the ability of our OEM and channel partners to bring their system level solutions to market."

SilverStorm Technologies provides end-to-end, high performance interconnect fabric solutions for cluster and grid computing networks. SilverStorm products address the unique performance and I/O requirements of enterprise class servers, blade servers and storage devices as data center architecture building blocks.

“The synergy created by SilverStorm’s industry leading technology and QLogic’s strong market presence will drive our expanded market share growth,” said Russ Hawkins, chief executive officer of SilverStorm. “We are pleased to be part of the QLogic team and look forward to playing an integral part of QLogic’s ongoing success.”

About QLogic
QLogic is a leading supplier of high performance storage networking solutions including Fibre Channel host bus adapters (HBAs), blade server embedded Fibre Channel switches, Fibre Channel stackable switches, iSCSI HBAs, iSCSI routers and storage services platforms for enabling advanced storage management applications. The Company is also a leading supplier of server networking products including InfiniBand host channel adapters that accelerate cluster performance. QLogic products are delivered to small-to-medium businesses and large enterprises around the world via its channel partner community. QLogic products are also powering solutions from leading companies like Cisco, Dell, EMC, Hitachi Data Systems, HP, IBM, NEC, Network Appliance and Sun Microsystems. QLogic is a member of the S&P 500 Index. For more information, go to http://www.qlogic.com. Note: All QLogic-issued press releases appear on the Company's website (www.qlogic.com). Any announcement that does not appear on the QLogic website has not been issued by QLogic. http://www.qlogic.com

About SilverStorm Technologies
SilverStorm designs, manufactures and services a family of networking hardware and software products that dramatically improve cluster performance and scalability. SilverStorm solutions power some of the world’s largest supercomputers in diverse fields including Oil and Gas exploration, Automotive and Aerospace design, Financial Services, Bio Medical and University/Government Research. SilverStorm’s customers include AMD, Canon, Chevron, Intel, Lockheed Martin, NASA, Riken Research Institute, Sandia National Laboratories, Sun Microsystems, Toyota, the US Department of Defense and Virginia Tech University. Several of the world’s TOP500 supercomputers utilize SilverStorm products. SilverStorm is also a member of Blade.org, a collaborative organization and developer community focused on accelerating the expansion of blade. www.silverstorm.com