MCI Recognized By AFCOM And Network World For Hosting Capabilities

MCI Honored with Secure Data Center of the Year and Data Center Manager of the Year Awards

ASHBURN, Va. April 26, 2005-MCI, Inc. (NASDAQ: MCIP) today announced it received two prestigious industry awards for Secure Data Center of the Year and Data Center Manager of the Year from AFCOM, the professional association of data center managers and professionals, and Network World magazine. These awards recognize MCI for its vision, innovation and inspiration to the data center space.

The Secure Data Center Award went to MCI's Smart Center in Beltsville, Maryland, located in the Washington, D.C. area, for changing the security paradigm and operating a flexible, highly resilient and secure data center.

Ray Detheridge, data center manager for MCI's Internet Data Center in Elmsford, NY, was named Data Center Manager of the Year for his ability to effectively manage people, resources and technology.

"This year's award winners exemplify a commitment to best practices in data center management which are helping to set the industry standard," said Jill Eckhaus, president of AFCOM. "We applaud MCI for delivering excellent performance, service and reliability to its customers."

John Gallant, president of Network World, and Len Eckhaus, founder of AFCOM, presented the awards to MCI representatives during a special ceremony at AFCOM's Data Center World(TM) Conference, which celebrated its 25th anniversary as the data center industry's premiere educational event.

MCI owns and operates more than 130 data centers in 22 countries, providing a secure, fully redundant environment for customers to host Web servers, data networking or voice equipment. MCI's Smart Centers are engineered to house the Web operations for companies who choose to outsource their hosting needs.

"At MCI, security is embedded into everything we do," said James Callahan, MCI director of Data Center Security. "Our Smart Centers present a safe and sound environment for critical data. Being named Secure Data Center of the Year is yet another example of our industry-leading capabilities."

MCI Hosting Services
As a leader delivering advanced hosting services, MCI offers a complete continuum of innovative managed hosting and Data Center services. MCI's Digex Enterprise Hosting holds more than 450 professional certifications from leading technology organizations like Microsoft, HP and Sun Microsystems and is compliant with SAS70 certified Type I and II. MCI Hosting is also positioned in the Leaders Quadrant in Gartner Inc.'s Web Hosting Magic Quadrant^*. According to Gartner, Inc., leaders are vendors who are performing well today, have a clear vision of market direction and are actively building competencies to sustain their leadership position in the market.

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.

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^*The Magic Quadrant is copyrighted October, 2004 by Gartner, Inc. and is reused with permission. The Magic Quadrant is a graphical representation of a marketplace at and for a specific time period. It depicts Gartner's analysis of how certain vendors measure against criteria for that marketplace, as defined by Gartner. Gartner does not endorse any vendor, product or service depicted in the Magic Quadrant, and does not advise technology users to select only those vendors placed in the "Leaders" quadrant. The Magic Quadrant is intended solely as a research tool, and is not meant to be a specific guide to action. Gartner disclaims all warranties, express or implied, with respect to this research, including any warranties of merchantability or fitness for a particular purpose.