#1 EMC Gained Share, Extended Lead in First Quarter, Report Says.

Business Editors/High-Tech Writers

HOPKINTON, Mass.--(BUSINESS WIRE)--June 3, 2004

New Report on Storage Systems Market Confirms EMC was Only Vendor Among Five Largest to Gain Revenue Share on Year-to-Year Basis in Q1

EMC extended its lead as the world's #1 supplier of information storage systems in the first quarter of 2004, according to a new independent report. In the report, issued today, Gartner estimates that EMC was the only storage systems vendor among the five largest suppliers to gain revenue share on a year-to-year basis during the quarter, capturing 23.6% of the worldwide external controller-based disk storage market. (a)

"EMC has continuously expanded the breadth and diversity of our product portfolio to provide the most complete line of tiered networked storage solutions in the industry," said Howard Elias, EMC Executive Vice President of Corporate Marketing and Office of Technology. "We've expanded both at the high-end and low-end, SAN, NAS and CAS and, when combined with our growing software portfolio, we are offering far more compelling price, performance and functionality ever. That, combined with our expanding partner relationships, has set the stage for EMC's continued leadership. Customers vote with their dollars and these results clearly show they are finding the most value and the best return on their information storage and management investment with EMC technology."

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) Gartner Dataquest "2Q4 Update: Global RAID Disk Storage Forecast Scenarios, 2004-2006," R.W. Cox. 2004; EMC share includes revenue from "EMC" branded storage systems only and excludes sales of Dell/EMC CLARiiON storage systems.

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.