Aliso Viejo, Calif. and San Jose, Calif. — January 23, 2007 — QLogic Corp. (NASDAQ:QLGC) and Alacritech®, Inc. today announced the companies have entered into a partnership to respond to the market need for multi-platform support of a 10 Gigabit TCP Offload Engine (TOE). QLogic is licensing Alacritech TCP offload patents to deliver HBAs with 10 Gigabit TOE for all operating systems including Linux and Microsoft Windows. Customers with multiple high performance operating environments can now look to QLogic host bus adapters for a common 10 Gigabit TOE infrastructure in order to simplify management, and save time and money.

“To support all of their I/O intensive applications, customers are looking to see Alacritech SLIC Technology® made available across many operating environments,” said Larry Boucher, president and CEO, Alacritech. “With a pervasive Fibre Channel HBA market presence based on support for popular operating systems, QLogic is in a unique position to partner with Alacritech and bring Alacritech SLIC Technology to a broader market.”

“Linux is a high performance computing platform and 10 Gigabit offload will be essential to server performance in the future,” said Brian Garrett, senior analyst, Enterprise Strategy Group. “Making Alacritech SLIC Technology® broadly available to the Linux community through the QLogic and Alacritech partnership is an important milestone.”

“Customers expect TCP offload to be a key component of a 10 Gigabit Ethernet network that is efficiently delivering data,” said Roger Klein, vice president and general manager, QLogic Computer Systems Group. “We expect the partnership between QLogic and Alacritech to broaden customer access to 10 Gigabit TOE and accelerate widespread adoption.”

About Alacritech Inc.
Alacritech Inc. is the world’s leading supplier of standards-based scalable networking technology and solutions that enable the highest performance and efficiency in networked systems. As the first to envision a dynamic network protocol processing architecture that enables systems to scale to address ever increasing data and network speeds, Alacritech developed and patented the Dynamic TCP Acceleration™ that empowers the SLIC Technology® architecture. Alacritech’s complete line of Accelerators, based on this architecture, optimize data delivery in servers, network-attached storage and iSCSI storage devices. SLIC Technology, the basis of industry-accepted TOE solutions, ships in storage and server products worldwide. Alacritech is a privately held company based in San Jose, California. For more information about Alacritech and its products, please visit the company’s Web site at www.alacritech.com. http://www.alacritech.com

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