Presentation to be Webcast Live on June 8, 2009

Marlborough, MA — June 3, 2009 — Netezza Corporation (NYSE: NZ), the global leader in data warehouse and analytic appliances, today announced that Patrick J. Scannell, Jr., senior vice president and chief financial officer, will be presenting at the UBS Global Technology and Services Conference to be held at The Sheraton New York Hotel & Towers, New York City from June 8-10, 2009. Mr. Scannell will be presenting on Monday, June 8, 2009 at 5:15 p.m. Eastern Time and will discuss Netezza’s business strategy and recent financial results.

An audio webcast of the presentation will be available live at the “Investor Relations” section of Netezza’s website at www.netezza.com. For those unable to listen to the live webcast, an archive of the presentation will be available on Netezza’s website.

About Netezza Corporation (NYSE: NZ)

Netezza Corporation is the global leader in data warehouse and analytic appliances that dramatically simplify high-performance analytics for business users across the extended enterprise, delivering significant competitive and operational advantage in today's information-intensive marketplaces. The Netezza family of appliances brings appliance simplicity to a broad range of complex data warehouse and analytic challenges. Customers who have realized the benefits of Netezza appliances include Ahold, Amazon.com, Debenhams, Department of Veterans Affairs, Epsilon, iBasis, eHarmony, Nationwide, Neiman Marcus, Orange UK, Premier, Inc., Ross Stores, Ryder System, Inc., The Carphone Warehouse and Virgin Media. Based in Marlborough, Mass., Netezza has offices in Washington, DC, the United Kingdom and the Asia Pacific region. For more information about Netezza, please visit www.netezza.com.

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Netezza is a trademark of Netezza Corporation. Other names may be trademarks of their respective owners.