Washington, D.C., March 10, 2004 — Today, America Online, EarthLink, Microsoft, and Yahoo!, four of the nation's leading e-mail providers and founders of the anti-spam industry alliance formed in April 2003, will make a joint announcement regarding the results of its first industry collaboration aimed at stopping spam at its source.

WHAT: Joint press conference

WHEN: Wednesday, March 10, 2004
10:30 a.m. EST / 7:30 a.m. PST

WHO: Senior Executives from America Online Inc., EarthLink, Inc., Microsoft Corp., and Yahoo! Inc.

WHERE: The St. Regis Hotel
923 16th and K Streets, N.W.
Washington, D.C.
*Crystal Ballroom

For those unable to attend the event in Washington, DC, the briefing will be available live by webcast at http://160.79.183.13/stopspam/20040310 , via satellite (coordinates below) and audioline (dial-in information below).

The webcast will be available to view on demand until April 10, 2004.

CALL-IN INFORMATION

Domestic (United States): (877) 298-1007 pass code: Alliance
International: +1 706-643-9640 pass code: Alliance

AUDIO REPLAY INFORMATION

Audio replays of the news conference will be available until 11:59 p.m. EST (8:59 p.m. PST) on April 10, 2004. Enter conference ID: 5915504.

Domestic (United States): (800) 642-1687
International: +1 706-645-9291

LIVE PRESS CONFERENCE:

March 10, 2004
Event time: 10:30am EST
KU Band -- Galaxy 11 Transponder 12

ELECTRONIC MEDIA

The on-site press check-in for invited credentialed media begins at 10:00 a.m. EST (7:15 a.m. PST). There will be an audio mult box provided for broadcast and radio plug-ins.

CONTACTS:

Nicholas Graham, America Online , (703) 265-1746
Carla Shaw, EarthLink , (404) 748-7267
Carrie Loe, Waggener Edstrom for Microsoft , (425) 638-7000
Rapid Response Team, Waggener Edstrom for Microsoft, (503) 443-7070
Mary Osako, Yahoo! , (408) 349-5528

For more information- broadcast media and photographers only:

Media Relations, Global Communications & Television, (212) 339-9920

Wednesday only media relations line: (202) 879-6964