Marlborough, MA—February 23, 2010— Netezza Corporation (NYSE: NZ), the global leader in data warehouse and analytic appliances, today announced that it will issue its financial results for the fourth fiscal quarter and fiscal year ended January 31, 2010 before the market opens on Wednesday, March 3, 2010. Netezza will host a conference call and webcast at 8:30 a.m. Eastern Time (5:30 a.m. Pacific Time) that day to discuss its fourth quarter and full fiscal 2010 results.

The conference call can be accessed by dialing +1-866-730-5764 for participants in the United States and by dialing +1-857-350-1588 for participants outside the United States. The passcode for the conference call is 14472900. A telephonic replay of the conference call will also be available two hours after the call and will be available 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 18257982.

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

Netezza Corporation is the global leader in data warehouse and analytic 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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