Network Appliance CEO Receives National Ernst & Young Entrepreneur of the Year Award

Network Appliance CEO Receives National Ernst & Young Entrepreneur of the Year Award
Dan Warmenhoven Honored at Annual Awards Gala for "Outstanding Leadership" in Technology

Sunnyvale, Calif. - November 22, 2004 -- Network Appliance, Inc. (NASDAQ: NTAP) Chief Executive Officer Dan Warmenhoven was honored with the Ernst & Young Entrepreneur Of The Year® 2004 Award in the technology category for his outstanding leadership as CEO of Network Appliance. The Ernst & Young Entrepreneur Of The Year Awards gala event, which celebrates the nation's most outstanding leaders, was held in Palm Desert, California, on November 20, 2004. The Ernst & Young award comes on the heels of Warmenhoven's 10-year anniversary as CEO of NetApp and caps a decade of company successes and prestigious awards for the veteran CEO.

"It is an honor to receive this prestigious award from Ernst & Young," said Dan Warmenhoven, CEO of Network Appliance. "NetApp and its leadership have focused on understanding and anticipating customer requirements and designing data storage solutions to effectively meet those evolving needs. I am proud of what NetApp has accomplished over the past decade, and an award honoring the CEO only further validates the entire company's recent successes in the storage industry."

In its 18th year, Ernst & Young Entrepreneur Of The Year is one of the world's most prestigious awards of its kind. Recognized globally, the honor recognizes the most outstanding entrepreneurs who inspire others with their vision, leadership, and achievement. To qualify for the award, a nominee must be an owner or manager of a public or private company, primarily responsible for the recent performance of the company, and an active member of top management. More than 360 area winners from 35 regions across the U.S. vied for this year's national Entrepreneur Of The Year awards, which were chosen by an independent panel of judges in several general and industry categories.

About Ernst & Young Entrepreneur Of The Year Awards Program
The Entrepreneur Of The Year awards program was created and is produced by professional services firm Ernst & Young LLP. As the first award of its kind, the Ernst & Young Entrepreneur Of The Year recognizes outstanding entrepreneurs who are building and leading dynamic and growing businesses. The program honors entrepreneurs through regional, national and global award programs in over 100 cities and 35 countries.

About Ernst & Young
Ernst & Young, a global leader in professional services, is committed to restoring the public's trust in professional services firms and in the quality of financial reporting. Its 100,000 people in 140 countries around the globe pursue the highest levels of integrity, quality, and professionalism to provide clients with solutions based on financial, transactional, and risk-management knowledge in Ernst & Young's core services of Audit, Tax, and Transaction Advisory Services. Ernst & Young practices also provide legal services in some parts of the world where permitted. Further information about Ernst & Young and its approach to a variety of business issues can be found at www.ey.com/us/perspectives. Ernst & Young refers to all the members of the global Ernst & Young organization.

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.

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

Amy Wall
Voce Communications for Network Appliance, Inc.
(650) 228-5182
awall@vocecomm.com