Network Appliance Hosts Teleconference and Webcast to Discuss Strategic Storage Relationship with IBM

Sunnyvale, Calif. - April 6, 2005 - Network Appliance, Inc. (NASDAQ: NTAP), a leading provider of enterprise storage solutions, will host a teleconference and Webcast to discuss details of the strategic storage relationship with IBM announced today.

The conference call will be broadcast live via the Internet at on Wednesday, April 6, 2005 at 9:00 a.m. Eastern Time. This press release and any other information related to the call will be posted to the NetApp® website at

The conference call will also be available live in a listen-only format at 1-800-561-2813 in the United States and 1-617-614-3529 outside the United States. The passcode for both numbers is 64924900.

A replay of the call will be available following completion of the live call by dialing 1-888-286-8010 in the United States and 1-617-801-6888 outside the United States. The replay passcode for both numbers is 35962547.

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

Press Contact:
Eric Brown
Network Appliance, Inc.

Investor Contact:
Billie Fagenstrom
Network Appliance, Inc.
(408) 822-6428