Network Appliance Appoints Jeffry R. Allen to Board of Directors

Sunnyvale, Calif. - May 2, 2005 - Network Appliance, Inc. (NASDAQ: NTAP) today announced that Jeffry R. Allen has been appointed to the company's board of directors. Allen will transition to the board from his current role as the executive vice president of Business Operations at Network Appliance in early June, 2005. Allen's appointment brings the number on the Network Appliance board to 10.

"It is with great pleasure that we welcome Jeff Allen to the NetApp board of directors," said Dan Warmenhoven, CEO of Network Appliance. "Jeff has played a key role in the success of this company for nearly a decade. His intimate knowledge of the operations and fiscal health of this company will increase the depth and breadth of our board, which is critical as we continue to strive toward new levels of success."

"It is an honor to be appointed to the board of directors of Network Appliance," said Allen. "Working with this talented management team over the past nine years has been one of the greatest experiences in my professional career. I am excited to continue working with this team and my fellow board members to build upon our past successes."

Allen joined Network Appliance in December 1996 as the company's CFO and vice president of finance and operations, where he oversaw the company's strong financial performance and rapid revenue growth. In 2002, Allen became the executive vice president of Business Operations where he was responsible for the company's manufacturing operations, including the content delivery and NearStore business lines, as well as strategic initiatives for the SAN market.

Before coming to NetApp, Allen served as senior vice president of Operations for Bay Networks, where he was responsible for manufacturing and distribution functions. From 1990 to 1995, he held the position of controller for SynOptics Communications and became vice president and controller for Bay Networks, the new company created via the merger of SynOptics and Wellfleet Communications.

Previously, Allen had a 17-year career at Hewlett-Packard Company, where he served in a variety of financial, information systems, and financial management positions, including controller for the Information Networks Group. Allen holds a bachelor's degree from San Diego State University.

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 Contacts:
Eric Brown
Network Appliance, Inc.
(408) 822-3463
Eric.brown@netapp.com