Network Appliance Hosts Fourth Quarter and Fiscal Year 2007 Financial Teleconference and Webcast

Sunnyvale, Calif. - May 2, 2007 -- After the close of market on Wednesday, May 23, 2007, Network Appliance, Inc. (NASDAQ: NTAP) will announce financial results for the fourth quarter and fiscal year 2007, which ended April 27, 2007. Network Appliance executive management will host a conference call at 2:00 p.m. Pacific time to discuss the results. In conjunction with the conference call, Network Appliance will broadcast the call live over the Internet.

How to Participate

Webcast:
To participate in the Webcast, visit the Network Appliance Investor Relations page located at www.netapp.com, under Investor Info. Or you can use this link as a shortcut: http://investors.netapp.com. Allow at least 15 minutes before the start of the Webcast. Network Appliance will guide you in downloading any necessary applications for live audio feeds.

Conference call:
To dial in to the listen-only conference call, the telephone numbers are:
United States (800) 901-5231
Outside the United States (617) 786-2961
Required passcode 67805785

The conference call replay will be available for 72 hours following completion of the call. The replay numbers are:
United States (888) 286-8010
Outside the United States (617) 801-6888
Required passcode 37079987

Network Appliance Future Targeted Release Dates
Q1 FY'08 results target date: August 15, 2007
Q2 FY'08 results target date: November 14, 2007
Q3 FY'08 results target date: February 13, 2008
Q4 FY'08 results target date: May 21, 2008

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 simplify data management. Information about Network Appliance™ solutions and services is available at www.netapp.com.

Press Contact:
Amy Wall
(650) 228-5182
awall@vocepr.com

Investor Contact:
Billie Fagenstrom
Network Appliance, Inc.
Ph: (408) 822-6428
billief@netapp.com