MCI Agrees To Acquire Totality

ASHBURN, VA, August 2, 2005 - MCI, Inc. (NASDAQ: MCIP) today announced that it has agreed to acquire Totality Corp., a San Francisco-based provider of remote managed services for business-critical applications and infrastructure. The transaction is expected to close within 45 days and terms were not disclosed.

"With this acquisition, MCI is able to combine its core hosting capabilities with proven expertise in the applications management space, further accelerating its ability to keep pace with enterprise and business customers as they transition to IP," said Jonathan Crane, MCI executive vice president and chief strategy officer. "This combination will enable MCI to deliver more fully integrated communications services to customers, while better supporting their advanced IP and complex IT requirements."

The acquisition builds on MCI's expertise in managing applications within its Enterprise Hosting business, extending MCI's managed hosting capabilities to provide application management support outside of MCI-managed hosting centers. With Totality's capabilities, MCI will be able to manage and monitor a customer's applications no matter where they are hosted, resulting in the delivery of integrated communications services from the network to the application layer to more fully support critical customer processes and applications.

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 one of the most expansive global IP backbones 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.