Editor's Contact:
Steve Sturgeon
QLogic Corporation
Phone: 949/389-6268
steve.sturgeon@qlogic.com
Investor's Contact:
Michael Roe
QLogic Corporation
Phone: 949/389-6440
michael.roe@qlogic.com

QLogic Gains Fibre Channel Market Share

Industry Research Shows Increased HBA Port and Revenue Share in 2002; Moved Closer Toward Number 1 HBA Ranking

ALISO VIEJO, Calif., May 7, 2003, - QLogic Corp. (Nasdaq:QLGC), the company that powers storage area networks (SANs), today announced that it increased its share of revenues and units in the Fibre Channel component market and gained ground toward the number one host bus adapter (HBA) supplier position according to new research published by Gartner Dataquest entitled "Storage Network Infrastructure: FC SAN Component Market Share, 20021." The report noted several key findings including:
  • QLogic showed the largest revenue growth year-over-year of any HBA vendor with an increase of 45 percent, boosting QLogic's market share to 31.7 percent.
  • QLogic's port shipments increased 51 percent from 2001, advancing the company's share of HBA ports by 10 points to 38 percent. QLogic also closed the gap on its primary competitor by moving from a 9 percent difference in 2001 to within 5 percentage points in 2002.

"SANs are well established as a superior way to manage storage in Fortune 500 companies, and now they are making their way into small and medium enterprises," said Frank Berry, vice president of marketing, QLogic Corp. "QLogic has increased market share by providing our OEM and channel customers with products that are easy to deploy, manage and service."

Both QLogic SANbox2 Fibre Channel switches and SANblade* HBAs have won "Editor's Choice" and "Well-Connected" awards from Network Computing magazine. QLogic SANblade 2Gb HBAs offer an extensive checklist of features and benefits that lead the industry including award-winning performance and native support for Sun Solaris, Microsoft® Windows NT® and Windows 2000, Novell® NetWare, Red Hat® Linux® and SuSE Linux. QLogic SANbox2 2Gb Fibre Channel network switches protect investments in current and future SAN infrastructures, establishing new standards of performance, reliability and simplicity. Available in 8-, 16- and 64-port configurations, QLogic SANbox2 switches are among the fastest, most scalable, and easiest-to-manage Fibre Channel switches on the market.

1-Storage Network Infrastructure: FC SAN Component Market Share, 2002 (Executive Summary) by James Opfer, May 6, 2003, Note Number: HARD-WW-EX-0384; Storage Network Infrastructure: FC SAN Component Market Shares, 2002 by James Opfer, May 5, 2003, Note Number: HWST-WW-MS-0142.

Powered by QLogic
Over 40 million QLogic products have shipped inside servers, workstations, RAID subsystems, tape libraries, disk and tape drives, delivered to small, medium and large enterprises around the world. PoweringPoweringPowering solutions from leading companies like Cisco, Dell, EMC, Fujitsu, Hitachi, HP, IBM, Network Appliance, Quantum, Sony, StorageTek and Sun, the broad line of QLogic controller chips, host bus adapters, network switches and management software move data from storage devices through the network fabric to servers. A member of the S&P 500 and NASDAQ 100, QLogic was recently named to Forbes' Best 200 Small Companies for the fourth consecutive year and was named to Fortune's 100 Fastest Growing Companies list for the third consecutive year. For more information visit www.qlogic.com.

Note: All QLogic-issued press releases appear on the company's web site (www.qlogic.com). Any announcement that does not appear on the QLogic web site has not been issued by QLogic.

Disclaimer- Forward Looking Statements
With the exception of historical information, the statements set forth above include forward-looking statements as defined within the Private Securities Litigation Reform Act of 1995. Such forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially from those projected or implied in the forward-looking statements. QLogic wishes to advise readers that these potential risks and uncertainties relate to, but are not limited to, in no particular order: the introduction of new and changing technologies in our industry and customer acceptance of those technologies; a change in semiconductor foundry capacity or conditions; fluctuations in the growth of I/O markets; fluctuations or cancellations in orders from OEM customers; QLogic's ability to compete effectively with other companies; cancellation of OEM products associated with design wins; and fluctuations in our operating results and our stock price.

More detailed information on these and additional factors which could affect QLogic's operating and financial results are described in QLogic's Forms 10-Q, 10-K and other reports, filed or to be filed with the Securities and Exchange Commission. QLogic urges all interested parties to read these reports to gain a better understanding of the many business and other risks that QLogic faces. Additionally, QLogic undertakes no obligation to publicly release the results of any revisions to these forward-looking statements, which may be made to reflect events or circumstances occurring after the date hereof or to reflect the occurrence of unanticipated events.

Note to Editors: Trademarks and registered trademarks are the property of the companies with which they are associated. ###