Presentation to be Webcast Live on March 4, 2009

Marlborough, Mass. — February 27, 2009 — Netezza Corporation (NYSE Arca: NZ) today announced that Patrick J. Scannell, Jr., senior vice president and chief financial officer, will be presenting at the Morgan Stanley Technology Conference. The conference will be hosted by the San Francisco Palace Hotel from March 2nd – March 4th, 2009. Mr. Scannell will be presenting on Wednesday March 4 at 1.35pm (PST) and will discuss the Company’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 the Company’s website.

About Netezza Corporation (NYSE Arca: NZ)

Netezza (NYSE Arca: NZ) 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 Performance Server® (NPS®) 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, CNET Networks, Debenhams, Department of Veterans Affairs, Epsilon, iBasis, 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.

# # #

Netezza, Netezza Performance Server and NPS are trademarks of Netezza Corporation. Other names may be trademarks of their respective owners.