BETHESDA, Md. - USEC Inc. announces the promotion of Roy Holliday to Nuclear Regulatory Affairs Manager at the Portsmouth Plant. He reports to Pat Musser, General Manager. Holliday replaces Pete Miner, who has been named as Regulatory Manager for Advanced Technology’s Lead Cascade Project. Miner will report to Jim Morgan, Manager, Lead Cascade Project.

The Lead Cascade Project is being undertaken to demonstrate the performance and reliability of gaseous centrifuge technology, while reducing cost, schedule and regulatory risks. Contingent upon USEC reaching agreement with the Department of Energy on the rights of centrifuge technology and the use of DOE facilities, the Project will build, test and operate centrifuge machines in a Lead Cascade to determine the reliability and cost for potential future plant operations.

Holliday has more than 10 years of experience at the Portsmouth Plant in the areas of nuclear safety, regulatory and certification activities. He came to Portsmouth in July 1990 as an Engineer in Facility Safety. In August 1994, he became Certification Lead, and in June 2000, he was promoted to Regulatory Compliance Group Manager. Before coming to the Portsmouth Plant, he served as a Licensing Engineer for Toledo Edison at the Davis Besse Nuclear Power Station and for the Tennessee Valley Authority where he earlier served as a Design Engineer. Holliday also served as a Design Engineer Associate for the West Virginia Department of Highways.

Holliday has an associate of science degree in structural engineering from Morris Harvey College (now the University of Charleston) in South Carolina and a bachelor of science degree in civil engineering from the West Virginia Institute of Technology in Montgomery, W. Va. He is a member of the American Nuclear Society.

Holliday lives in Wellston with his wife Peggy.

Miner has served as Manager of Nuclear Regulatory Affairs at the Portsmouth Plant since September 1998. He came to the Portsmouth Plant from Northeast Utilities where he served as Manager of Regulatory Compliance at the Millstone Nuclear Power Station Unit #1. He was a member of the management team responsible for the restart/recovery of the Millstone plant. Miner also served in other capacities at Millstone including Restart Manager, Nuclear Licensing Supervisor, Licensing Engineer and Computer Systems Lead.

Prior to joining Millstone, Miner held various engineering positions with Stone and Webster Engineering Corporation and Fischbach-Boulos-Manzi NH in the construction of nuclear power plants. He began his nuclear career with Mercury Company of Norwood, Inc.

Miner has a bachelor of science in mathematics from the University of Massachusetts in Amherst. He has also completed graduate work toward a masters of business administration degree at the University of Hartford in West Hartford, Conn. He is a member of the American Nuclear Society.

Miner lives in Chillicothe with his wife, Pattie, and their two daughters, Amanda and Samantha.

The United States Enrichment Corporation is a subsidiary of USEC Inc. (NYSE: USU), a global energy company and the world’s leading supplier of enriched uranium fuel for commercial nuclear power plants.

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