Network Appliance Gains Market Share in External Storage Market

Sunnyvale, Calif. - June 8, 2004 -- Network Appliance, Inc. (NASDAQ: NTAP), today announced it is continuing to gain market share in the large external storage market, which includes storage area networks (SANs), network-attached storage (NAS), direct-attached storage (DAS), open systems, and legacy mainframes. According to Gartner's "2Q4 Update: Global RAID Disk Storage Forecast Scenarios, 2004-2006 report,"1 NetApp was the only company in the top eight to demonstrate growth both sequentially (7.7%) and year over year (24.4%). This allowed the company to increase its market share from 4.5% in 2003 to 5.4% in Q1 2004.

"Customers are increasingly looking to NetApp for help deploying business-critical, sophisticated, data-intensive enterprise applications such as customer relationship management (CRM) and enterprise resource planning (ERP)," said Patrick Rogers, vice president of Marketing at Network Appliance. "These applications require a highly scalable, high-performance platform that can be easily managed in a large data infrastructure for fast, reliable access to mission-critical data and high-performance application storage. As we continue to grow the business, we are also ensuring we work with our customers to expand our product portfolio to provide simple, easy-to-manage storage infrastructure solutions in both NAS and SAN, to meet their growing storage requirements."

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.

1 Gartner Dataquest, "2Q4 Update: Global RAID Disk Storage Forecast Scenarios, 2004-2006," R. W. Cox. 2004.

Contacts:
Jodi Baumann
Press Contact
Network Appliance, Inc
(408) 822-3974
jodi@netapp.com


Tara Calhoun
Investor Contact
Network Appliance, Inc.
(408) 822-6909
tara@netapp.com