Network Appliance Hosts First Quarter Fiscal Year 2006 Financial Teleconference and Webcast

Sunnyvale, CA - August 8, 2005 -- After the close of market on Wednesday, August 17, 2005, Network Appliance, Inc. (NASDAQ: NTAP) will announce financial results for the first quarter of fiscal year 2006, which ended July 29, 2005. As is customary, Network Appliance 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.

WHO:
Network Appliance senior management, including:

Dan Warmenhoven, CEO
Tom Mendoza, President
Steve Gomo, Executive Vice President, Finance and CFO

WHAT:
First quarter fiscal year 2006 financial results announcement on August 17, 2005. A conference call and Webcast will be held at 2:00 p.m. Pacific time.

HOW TO PARTICIPATE:

WEBCAST:
To participate in the Webcast, visit the Network Appliance Investor Relations page located at www.netapp.com, under Investors. Or you may use this link as a short cut: 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 listen to the conference call, the dial-in numbers are:

United States (800) 299-7098
Outside the United States (617) 801-9715
Required Passcode 27942294

The conference call replay will be available for seven days following completion of the call. The replay numbers are:

United States (888) 286-8010
Outside the United States (617) 801-6888
Access Code: 73629016

NETWORK APPLIANCE FUTURE TARGETED RELEASE DATES:
Q2 FY'06 results target date: November 16, 2005
Q3 FY'06 results target date: February 15, 2006
Q4 FY'06 results target date: May 24, 2006

Press:
Amy Wall
(650) 228-5182

awall@vocepr.com

Investors:
Billie Fagenstrom
(408) 822-6428
billief@netapp.com