EMC Extended Lead Again in Worldwide External Disk Storage Systems Revenue in Third Quarter, Analyst Firm Reports.

HOPKINTON, Mass. -- Market Leader Delivers Fifth Consecutive Quarter of Year-Over-Year Share Gains

EMC Corporation, the world leader in information storage and management, again extended its lead in worldwide revenue for external disk storage systems in the third quarter according to a new report from IDC (a). EMC grew its portion of the market for the fifth consecutive quarter on a year-over-year basis and gained more share, year-over-year, than any of the next six largest suppliers.

Howard Elias, EMC Executive Vice President, Corporate Marketing and Office of Technology, said, "We continue to be pleased with our execution and the success of our solutions as they help customers cope with explosive information growth while optimizing and aligning their information for business benefit. Customers appreciate our dedication to delivering best-of-breed tiered networked storage systems integrated with the industry's most complete software and services offerings for information lifecycle management."

IDC also reported EMC widened its revenue share lead in worldwide networked storage revenue, which includes Fibre Channel SANs, iSCSI SANs and network-attached storage (NAS), gaining more share than any of the next six largest suppliers, compared to the year-ago quarter. The market research firm also reported EMC led in external RAID disk storage systems revenue in Western Europe for the second consecutive quarter and recorded the highest year-over-year revenue growth among the five largest suppliers in Asia Pacific.

About EMC

EMC Corporation (NYSE: EMC) is the world leader in products, services and solutions for information storage and management that help organizations extract the maximum value from their information, at the lowest total cost, across every point in the information lifecycle. Information about EMC's products and services can be found at www.EMC.com.

(a) IDC "Worldwide Quarterly Disk Storage Systems Tracker, December 2004,"; EMC share includes factory revenue from "EMC" branded storage systems only and excludes sales of re-branded EMC systems sold by EMC partners including Dell, Fujitsu-Siemens, Samsung and Langchao Electronic Information Industry Corp., Ltd. http://home.businesswire.com/portal/site/google/index.jsp?ndmViewId= news_view&newsId=20041202005809&newsLang=en (Due to the length of this URL, it may be necessary to copy and paste it into your Internet browser's URL address field. You may also need to remove an extra space in the URL if one exists.)

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) risks associated with acquisitions and investments, including the challenges and costs of integration, restructuring and achieving anticipated synergies associated with the acquisitions of LEGATO Systems, Inc., Documentum, Inc. and VMware, Inc.; (iv) competitive factors, including but not limited to pricing pressures; (v) the relative and varying rates of product price and component cost declines and the volume and mixture of product and services revenues; (vi) component quality and availability; (vii) the transition to new products, the uncertainty of customer acceptance of new product offerings and rapid technological and market change; (viii) insufficient, excess or obsolete inventory; (ix) war or acts of terrorism; (x) the ability to attract and retain highly qualified employees; (xi) fluctuating currency exchange rates; and (xii) other one-time events and other important factors disclosed previously and from time to time in EMC's filings with the U.S. Securities and Exchange Commission. EMC disclaims any obligation to update any such forward-looking statements after the date of this release.