MCI President and CEO Michael Capellas to Keynote JPMorgan Technology & Telecom Conference

ASHBURN, Va., May 3, 2004-MCI, Inc. (MCIA.PK) today announced that President and CEO Michael Capellas will give the luncheon keynote address at the JPMorgan Technology and Telecom Conference in San Francisco on Wednesday, May 5, 2004 at noon (Pacific time). Mr. Capellas will discuss MCI's current strategy as well as give his perspectives on trends affecting the telecommunications industry.

A live audio webcast and replay of Mr. Capellas' presentation will be available at
http://equityconferences.jpmorgan.com.

About MCI

MCI, Inc. (MCIA.PK) is a leading global communications provider, delivering innovative, cost-effective advanced communications connectivity to businesses, governments and consumers. With the industry's most expansive global IP backbone, based on the number of company-owned points-of-presence, and wholly-owned data networks, MCI develops the converged communications products and services that are the foundation for commerce and communications in today's markets. For more information, go to www.mci.com.