EMC's Data Domain Ranks 7th in North America on Deloitte's 2009 Technology Fast 500(TM)

EMC's Data Domain Ranks 7th in North America on Deloitte's 2009 Technology
Fast 500(TM)
The EMC Company Attributes Its Rapid Growth to Continuous Product Innovation
and Customer Focus

HOPKINTON, Mass., Nov. 5 /PRNewswire/ -- EMC® Corporation (NYSE: EMC), the
world leader in information infrastructure solutions, today announced that
Data Domain®, a high-growth, industry-leading company that it recently
acquired, ranked number seven on the Technology Fast 500(TM), Deloitte LLP's
ranking of 500 of the fastest growing technology, media, telecommunications,
life sciences and clean technology companies in North America. Rankings are
based on percentage of fiscal year revenue growth during the five year period
from 2004-2008. Data Domain revenue grew more than 35,000 percent during this
period.

Frank Slootman, President of EMC's Backup Recovery Systems (BRS) division and
Data Domain's former CEO, credits Data Domain's ability to constantly enhance
and scale its market-leading deduplication storage systems to address the
needs of its enterprise customers for the company's growth over the past five
years.

"Data Domain's ranking as the seventh fastest growing company in North America
on Deloitte's Technology Fast 500 is a tremendous validation of the
determination and focus our employees have sustained over the past five
years," said Slootman. "Our success and ongoing market leadership are the
outcome of a customer-centric culture and our ability to execute on an
aggressive technology and growth vision. I congratulate all of our employees
on this achievement. We're looking forward to continued growth and success as
an integral part of EMC's growing backup and recovery business."

"Technology Fast 500 recognizes innovative companies that have broken down
barriers to success and defied the odds with their remarkable five-year
revenue growth," said Phil Asmundson, Vice Chairman and U.S. Technology, Media
and Telecommunications leader, Deloitte LLP. "We congratulate EMC Data Domain
on this accomplishment."

Technology Fast 500(TM) Selection and Qualifying Criteria

Technology Fast 500(TM) provides a ranking of the fastest growing technology,
media, telecommunications, life sciences and clean technology companies in
North America. This ranking is compiled from nominations submitted directly to
the Technology Fast 500(TM) website, and public company database research
conducted by Deloitte. Technology Fast 500(TM) award winners for 2009 are
selected based on percentage fiscal year revenue growth during the five year
period from 2004 to 2008.

Deloitte's 2009 Technology Fast 500(TM) Media Guidance

In order to be eligible for Technology Fast 500(TM) recognition, companies
must own proprietary intellectual property or proprietary technology that
contributes to a significant portion of the company's operating revenues.
Using other companies' technology or intellectual property in a unique way
does not satisfy this requirement. Consulting companies, professional service
firms, etc. are not eligible unless they have proprietary technology that
contributes to a significant portion of their operating revenues.

Technology Fast 500(TM) award eligibility requirements also include base-year
operating revenues of at least $50,000 USD or CD, and current-year operating
revenues of at least $5 million USD or CD. These revenues must have more than
doubled between 2004 and 2008. Additionally, companies must be in business for
a minimum of five years, and be headquartered within North America.

About EMC

EMC Corporation (NYSE: EMC) is the world's leading developer and provider of
information infrastructure technology and solutions that enable organizations
of all sizes to transform the way they compete and create value from their
information. Information about EMC's products and services can be found at
www.EMC.com.

About Deloitte
As used in this document, "Deloitte" means Deloitte LLP. Please see
www.deloitte.com/about for a detailed description of the legal structure of
Deloitte LLP and its subsidiaries.

EMC is a registered trademark of EMC Corporation. Data Domain is a registered
trademark of Data Domain, Inc. VMware is a registered trademark of VMware,
Inc. All other trademarks used are the property of their respective owners.

This release contains "forward-looking statements" as defined under the
Federal Securities Laws. Actual results could differ materially from those
projected in the forward-looking statements as a result of certain risk
factors, including but not limited to: (i) adverse changes in general economic
or market conditions; (ii) delays or reductions in information technology
spending; (iii) our ability to protect our proprietary technology; (iv) risks
associated with managing the growth of our business, including risks
associated with acquisitions and investments and the challenges and costs of
integration, restructuring and achieving anticipated synergies; (v)
fluctuations in VMware, Inc.'s operating results and risks associated with
trading of VMware stock; (vi) competitive factors, including but not limited
to pricing pressures and new product introductions; (vii) the relative and
varying rates of product price and component cost declines and the volume and
mixture of product and services revenues; (viii) component and product quality
and availability; (ix) the transition to new products, the uncertainty of
customer acceptance of new product offerings and rapid technological and
market change; (x) insufficient, excess or obsolete inventory; (xi) war or
acts of terrorism; (xii) the ability to attract and retain highly qualified
employees; (xiii) fluctuating currency exchange rates; (xiv) litigation that
we may be involved in; and (xv) other one-time events and other important
factors disclosed previously and from time to time in the filings of EMC
Corporation, the parent company of Data Domain, with the U.S. Securities and
Exchange Commission. EMC and Data Domain disclaim any obligation to update
any such forward-looking statements after the date of this release.

SOURCE EMC Corporation

Ed Luboja, EMC Data Domain, +1-203-210-7404, edward.luboja@datadomain.com