Network Appliance™ iSCSI Storage Systems Achieve Designed for Windows Logo Qualification

Sunnyvale, Calif. - November 19, 2003 -- Network Appliance, Inc. (NASDAQ: NTAP) today announced that the NetApp® FAS960, FAS960C, FAS940, FAS940C F825, F825C, FAS250, and the NearStore® R150 storage appliances have completed the Designed for Windows Logo testing for iSCSI hardware targets.

The Microsoft Windows Server Catalog identifies products that have been designed and tested to receive the "Designed for Windows" logo. The logo ensures the product meets Microsoft standards for iSCSI compatibility and interoperability with the Windows® platform.

"We believe that the emerging and important iSCSI storage market is poised for significant growth. Microsoft is pleased that NetApp has qualified their iSCSI hardware targets to help ensure interoperability with the Microsoft Windows platforms," said Bruce Burns, director-Platform Strategy & Partner Group at Microsoft Corporation. "We also welcome the inclusion of NetApp storage systems into the new iSCSI Storage category of the Microsoft Windows Server Catalog."

NetApp provides what today's data-intensive enterprises demand from their storage systems: affordable reliability, centralized management, simplified backup and disaster recovery capabilities, scalability, and serviceability. The combination of Microsoft's iSCSI software initiator and NetApp iSCSI storage enables a whole new category of direct attached storage customers to realize the benefits of SAN solutions using existing Ethernet and IP networks.

"Our customers have been eagerly awaiting the inclusion of iSCSI solutions in the Microsoft Windows Server Catalog. We are pleased to announce this significant qualification of our strong technology and product sets built to provide storage solutions for the enterprise Windows market," said Mark Santora, senior vice president of Marketing at Network Appliance.

Network Appliance continues to empower global enterprises with the broadest portfolio of fully-compatible, high-performance, high-availability storage systems for a variety of operating systems and environments. The Microsoft Windows Server Catalog can be accessed online at: http://www.microsoft.com/windowsserver2008/en/us/default.aspx. The keywords "Network Appliance" or the "Storage/RAID System" category display NetApp products and qualifications.

About Network Appliance

Network Appliance is a world leader in unified storage solutions for today's data-intensive enterprise. Since its inception in 1992, Network Appliance has delivered technology, product, and partner firsts that continue to drive "The evolution of storage.™" Information about Network Appliance solutions and services is available at www.netapp.com.

Press Contact:

Jaime Leigh Le
Network Appliance, Inc.
(408) 822-3761
jle@netapp.com