HOPKINTON, Mass. – October 3, 2005 – EMC Corporation, the world leader in
information management and storage, today announced the availability of EMC
Dantz Retrospect 6.1 for Macintosh that delivers enhanced support for the
Mac OS X version 10.4 “Tiger” operating system. The new functionality
boosts information security for individuals and small and medium businesses
using Macintosh computers.

Retrospect 6.1 has incorporated support for backup and restoration of
access control lists (ACLs) that administrators use to control which users
can access or modify files stored on a Mac OS X Tiger server. Support has
also been added for Mac OS X Tiger extended attributes that will be used by
future Macintosh applications.

Retrospect 6.0 customers can download, at no charge, an electronic update
to Retrospect 6.1 for Macintosh at www.emcdantz.com.

“These enhancements for Mac OS X Tiger illustrate EMC’s continued
commitment to deliver reliable and secure backup for millions of Macintosh
customers worldwide,” said Larry Zulch, General Manager and Vice President
EMC Dantz.

About Retrospect
EMC Dantz Retrospect is an award-winning software product that protects
millions of computers worldwide by providing best-in-class data protection
for servers, desktops, notebooks, and business-critical applications.
Patented technology makes Retrospect easy to administer and delivers fast,
reliable backups with smart restores. Customers using Retrospect include
small and midsize businesses, distributed enterprises, as well as home and
home offices. Information about Retrospect products can be found at
www.emcdantz.com or by calling (925) 948-9000.

About EMC
EMC Corporation (NYSE: EMC) is the world leader in products, services, and
solutions for information management and storage 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.