Framingham, MA — September 12, 2006 — Netezza Corporation, the global data warehouse appliance market leader, today announced significant customer growth and expansion into new markets with the Netezza Performance Server® (NPS®) family of data warehouse appliances. In the first half of 2006, Netezza added 19 new customers – more than double the number of new customer wins in the first half of 2005. In addition, 16 existing customers expanded their Netezza deployments in the first half of 2006, a testament to the proven track record and customer success of Netezza’s worldwide customer base.

Data-intensive companies continue to select Netezza’s high-performance, low-cost data warehouse appliances to power analyses on terabytes of detailed data and transform the way they do business. New companies signing on with Netezza in the first half of 2006 include CompuCredit Corporation, Global Red, Michaels Stores, Inc., MOS Food Services, Inc. and Orange Home (formerly Wanadoo). Companies who have purchased additional systems include Catalina, CNET and Epsilon.

The power and simplicity of the Netezza data warehouse appliance also continues to resonate in new markets and geographies with three new U.S. Federal customers signed in the first half of 2006 and five new customers in Asia.

“Based on our own market research and Netezza’s continued success, the adoption of data warehouse and business intelligence appliances is not just a passing trend,” said Dan Vesset, research manager, Analytics and Data Warehousing, IDC. “Netezza is the pioneer and continues to be the current leader in the market for data warehouse appliances and, according to our studies, the market’s awareness of Netezza is rising.”

“Our customers are market-leading, innovative organizations that rely on Business Intelligence to drive their businesses,” said Jit Saxena, CEO and co-founder of Netezza. “Our increasing global momentum and expanding footprint within existing customer data centers reflect the powerful business value delivered by the NPS family of appliances, and the high level of customer satisfaction with Netezza overall.”

Netezza, which doubled its customer base in 2005, has received a landslide of industry, analyst, media and customer praise. IDC has called Netezza’s data warehouse appliance approach “revolutionary” and recently stated that “business analytics appliances are here to stay.”¹ InformationWeek, Computerworld, InfoWorld, DM Review and others have awarded Netezza and its management team accolades for vision and performance.

Customers who have recognized the benefits of Netezza’s approach include Ahold, Amazon.com, Cingular Wireless, CNET Networks, Debenhams, Epsilon, Orange UK, Premier, Inc., Ryder System, Inc., Shoppers Drug Mart Corporation, The Carphone Warehouse and The TJX Companies.

About Netezza Corporation
Netezza, the global data warehouse appliance market leader, enables enterprises to make all of their data actionable – quickly, simply and affordably. The Netezza Performance Server (NPS) family of products delivers breakthrough performance, unmatched ease of deployment and operation, and innovative flexibility and scalability at a fraction of the cost of traditional data warehouse solutions. By architecturally integrating database, server and storage within a single appliance, the NPS system delivers 10 to 100 times the performance at half the cost of existing systems. Based in Framingham, Mass., Netezza has offices in Washington, DC, the United Kingdom and Asia Pacific. The Company is backed by leading venture capital firms, including Matrix Partners, Charles River Ventures, Battery Ventures, Orange, Sequoia Capital and Meritech Capital Partners. For more information about Netezza, please visit www.netezza.com.

# # #

¹ IDC, “Business Analytics Appliances Are Here to Stay,” June 2006, Doc #202071