EnergySolutions Receives Private Letter Ruling Clearing Key Tax Issue for Zion Decommissioning

SALT LAKE CITY, UT--(Marketwire - July 22, 2008) - EnergySolutions, Inc. (NYSE: ES) announced today that it has received a favorable Private Letter Ruling from the U.S. Internal Revenue Service (IRS) concerning tax treatment of decommissioning funds related to the company's Zion Nuclear Power Station project.

The IRS ruling concluded that the structure of the EnergySolutions project will allow the company to assume control of decommissioning funds without having to recognize gains or losses at the time of transfer.

In December 2007, EnergySolutions signed an agreement with Exelon Corporation to accelerate the decommissioning and environmental restoration of Exelon's Zion Nuclear Power Station site located in Zion, Illinois. The project employs a license stewardship strategy whereby EnergySolutions will conduct the decommissioning and site restoration work as both owner and licensee of the power station. Following completion of the project, the Zion property will be returned to Exelon.

EnergySolutions requested a Private Letter Ruling from the IRS to confirm that the transfer of assets from Exelon to EnergySolutions, including funds that have been set aside to pay for decommissioning activities, would not trigger adverse tax consequences. The Private Letter Ruling issued by IRS confirmed that the transfer will not trigger capital gains or other income tax events.

"The IRS ruling represents a significant milestone in the development of our license stewardship strategy," said Steve Creamer, EnergySolutions CEO and Chairman. "We are pleased that the Zion decommissioning project continues its orderly progress toward start-up."

Prior to commencing decommissioning operations, EnergySolutions must receive license transfer approval from the U.S. Nuclear Regulatory Commission.

EnergySolutions offers customers a full range of integrated services and solutions, including nuclear operations, characterization, decommissioning, decontamination, site closure, transportation, nuclear materials management, processing, recycling, and disposition of nuclear waste, and research and engineering services across the nuclear fuel cycle.

Statements in this news release may contain forward-looking statements that involve risks and uncertainties. Forward-looking statements provide current expectations of future events based on certain assumptions and include any statement that does not directly relate to any historical or current fact. Forward-looking statements are not guarantees of future performance and the Company's actual results may differ significantly from the results discussed in the forward-looking statements.

Contact Information: For more information please contact: Mark Walker 801-649-2194