SOURCE: Data Domain

September 05, 2007 08:00 ET

Data Domain: "1,000 Customers and Counting"

Market Leadership Defined by Customer Choice

SANTA CLARA, CA--(Marketwire - September 5, 2007) - Data Domain (NASDAQ: DDUP), the leading provider of Deduplication Storage systems, today announced that over one thousand companies worldwide have deployed its market-leading protection storage systems. Now shipping its fourth generation of product, Data Domain estimates it is currently protecting over 185 petabytes of customer data. In terms of both revenue and customers, Data Domain holds the leadership position in the rapidly expanding deduplication storage marketplace.

Data Domain has sustained thirteen consecutive quarters of growth since its first product was released in early 2004. During its recent second fiscal quarter ended June 30, 2007, Data Domain secured 174 new customer accounts. Data Domain's customer base cuts across all industries, including the legal, financial, government, education, healthcare, manufacturing, pharmaceutical, technology and energy sectors. In May, the company was noted as the top in use deduplication vendor for both Fortune 1000 and mid-size enterprises by TheInfoPro's (www.theinfopro.net) Wave 9 Storage Study.

In the last fourteen months, the company's employee headcount has grown from approximately 100 to over 350 employees worldwide today.

"This milestone for Data Domain reflects that more and more companies are moving away from tape-based to disk-based data protection infrastructures," said Frank Slootman, president and CEO of Data Domain. "We see data deduplication increasingly becoming a purchasing requirement for IT users because of the economic and operational efficiency it offers. Tape replacement will continue to be a key driver for deployment of our systems. Data Domain customers will see even more value as we extend the use of our systems and technologies into [a] broader set of addressable workloads. Data deduplication is a storage fundamental -- one that will drive additional value throughout the storage ecosystem."

Data Domain delivers high-speed inline deduplication storage systems to reduce storage capacity requirements and optimize data recovery.

For more information about Data Domain's Enterprise Protection Storage systems, please visit www.datadomain.com.

ABOUT DATA DOMAIN

Data Domain® is the leading provider of Deduplication Storage systems for disk backup and network-based disaster recovery. Data Domain protection storage systems significantly reduce backup data volume to lower backup costs and simplify data recovery. Data Domain delivers the performance, reliability and scalability to address the data protection needs of enterprises of all sizes. The company's products integrate into existing customer infrastructures and are compatible with leading enterprise backup software products. To find out more about Data Domain, visit www.datadomain.com. Data Domain is headquartered at 2300 Central Expressway, Santa Clara, CA 95050 and can be contacted by phone at 1-866-933-3873 or by e-mail at sales@datadomain.com.

Forward-Looking Statements

This press release contains forward-looking statements regarding our products' ability to reduce the amount of stored back-up data and associated storage costs and to provide faster access to data and advanced levels of data protection, and other statements identified by forward-looking words such as "anticipated," "believed," "could," "estimate," "expect," "intend," "may," "should," "will" and "would" or similar words. These forward-looking statements involve risks and uncertainties, as well as assumptions that, if they do not fully materialize or prove incorrect, could cause our results to differ materially from those expressed or implied by such forward-looking statements. The risks and uncertainties include our ability to react to trends and challenges in our business and the markets in which we operate; our ability to anticipate market needs or develop new or enhanced products to meet those needs; market acceptance of our products; our ability to scale our distribution channels; our ability to recruit and retain personnel; our ability to compete in our industry; our ability to maintain and expand relationships with technology partners; our ability to protect our intellectual property; shortages or price fluctuations in our supply chain and the performance of our contract manufacturer; general political, economic and market conditions and events; and other risks and uncertainties described more fully in our documents filed with or furnished to the Securities and Exchange Commission. All forward-looking statements in this press release are based on information available to us as of the date hereof, and we assume no obligation to update these forward-looking statements.

Data Domain, the Data Domain logo and Global Compression are trademarks or registered trademarks of Data Domain, Inc. All other trademarks used or mentioned herein belong to their respective owners.

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