MARLBOROUGH, MA, — May 17, 2010 — Netezza Corporation (NYSE: NZ), the global leader in data warehouse, analytic and monitoring appliances, today announced that it will issue its financial results for the first fiscal quarter ended April 30, 2010 after market close on Tuesday, May 25, 2010. Netezza will host a conference call and webcast at 4:30 p.m. Eastern Time that day to discuss its first quarter fiscal 2011 results.
The conference call can be accessed by dialing +1-866-730-5766 for participants in the United States and by dialing +1-857-350-1590 for participants outside the United States. The passcode for the conference call is 54352726. A telephonic replay of the conference call will also be available two hours after the call and will run for two weeks. The replay can be accessed by dialing +1-888-286-8010 for participants in the United States and by dialing +1-617-801-6888 for participants outside the United States. The passcode for the replay is 77551038.

The webcast will be accessible from the "Investor Relations" section of Netezza's Web site (http://www.netezza.com). The webcast will be archived on Netezza's Web site for a period of one year.

About Netezza Corporation (NYSE: NZ)

Netezza Corporation is the global leader in data warehouse, analytic and monitoring appliances that dramatically simplify high-performance analytics across an extended enterprise. Netezza’s technology enables organizations to process enormous amounts of captured data at exceptional speed, providing a significant competitive and operational advantage in today’s data-intensive industries, including digital media, energy, financial services, government, health and life sciences, retail and telecommunications. Netezza is headquartered in Marlborough, Massachusetts and has offices in Northern Virginia, the United Kingdom, Germany, France, Japan, Korea, Australia and Singapore. For more information about Netezza, please visit www.netezza.com.

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