MCI President and CEO Michael Capellas to Keynote Banc of America Securities Investment Conference

Ashburn, Va., September 16, 2004 - MCI, Inc. (NASDAQ: MCIP) today announced that President and CEO Michael Capellas will give the luncheon keynote address at the Banc of America Securities Investment Conference in San Francisco, CA on Tuesday, September 21, 2004. Mr. Capellas will discuss MCI's current strategy as well as give his perspectives on trends affecting the telecommunications industry.

A link to the live audio webcast of Mr. Capellas' keynote with a manual slide presentation will be available at 3:00 pm Eastern time at www.mci.com/investor. The webcast will be archived on this website approximately one hour after the live event and will be available through October 8, 2004.

About MCI
MCI, Inc. (NASDAQ: MCIP) 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 market. For more information, go to www.mci.com.