Dell, Waste Management and TXU Energy To Make Major Environmental Announcement

Dell Inc. (NASDAQ:DELL):

MEDIA ADVISORY

WHO:       Paul Bell, president, Dell Americas
           David Steiner, CEO, Waste Management
           Jim Burke, CEO, TXU Energy
           Steve Howard, CEO, The Climate Group

WHAT:      Three Texas-based companies to make major environmental
            announcement, media teleconference scheduled.

WHEN:      Wednesday, April 2, 2008
           11 a.m. CT

WHERE:     U.S.: 866-617-8381
           International: +1-706-758-0557
           Please ask for the "Dell Environment Call"
           Conference ID # 41687065


DETAILS:   Media must sign in 10 minutes before the call.
           Questions can be submitted to the moderator.
           Follow instructions as outlined on call.

Source: Dell Inc.

Released April 1, 2008