Steve Penrod Named as USEC′s Head of Enrichment Operations

USEC Inc. (NYSE: USU) today announced that Steve Penrod will assume
responsibility for the company′s integrated enrichment operations as
part of its preparation for commercial operations at the American
Centrifuge Plant.

'This is an important step in enhancing the depth of operational
capabilities across USEC′s enrichment enterprise. Best practices from
American Centrifuge, Paducah and the nuclear industry will be applied to
sustain operational excellence across the company,? said John K. Welch,
USEC president and chief executive officer. 'I am pleased to have Steve
bring his 32 years of operating experience and his outstanding track
record of operations at the Paducah Gaseous Diffusion Plant to this
assignment for the integration of all of USEC′s enrichment operations.?

Penrod has served as general manager of the Paducah plant since 2005 and
was named vice president in February 2010. Prior to his promotion to
general manager, he served as the Paducah plant manager for seven years.
Penrod joined the Paducah plant in 1979 as a design engineer and later
became an engineering project manager. Penrod earned his bachelor′s
degree in mechanical engineering from Southern Illinois University.

Dan Rogers will continue in his role as general manager of lead cascade
and commercial plant operations and will report to Steve Penrod and Paul
Sullivan, vice president of the American Centrifuge program and chief
engineer. Jim Lewis, currently Paducah plant manager, will become
general manager of the Paducah plant.

USEC Inc., a global energy company, is a leading supplier of enriched
uranium fuel and nuclear industry related services for commercial
nuclear power plants.

USEC Inc.

Media: Paul Jacobson, 301-564-3399

Investors: Steven
Wingfield, 301-564-3354