EnergySolutions, Inc. Announces Secondary Public Offering by ENV Holdings

SALT LAKE CITY, UT--(Marketwire - July 7, 2008) - EnergySolutions, Inc. (NYSE: ES) today announced that ENV Holdings LLC plans to sell 35,000,000 shares of EnergySolutions' common stock in an underwritten secondary public offering. In addition, the underwriters of the offering have an option to purchase up to 5,250,000 additional shares from the selling stockholder to cover over-allotments. EnergySolutions will not receive any proceeds from the proposed offering.

Upon completion of the transaction, assuming no exercise of the underwriters' over-allotment option, the selling stockholder will own approximately 20 million shares of EnergySolutions' common stock. The selling stockholder is controlled by affiliates of Lindsay Goldberg, Peterson Partners L.P. and certain members of the management of EnergySolutions.

Credit Suisse Securities (USA) LLC and J.P. Morgan Securities Inc. will act as book runners for the proposed offering. When available, a copy of the preliminary prospectus relating to this offering may be obtained from Credit Suisse Securities (USA) LLC, One Madison Avenue, New York, NY 10010, Attention: Prospectus Department (212-325-2580); or J.P. Morgan Securities Inc., 4 Chase Metrotech Center, CS Level, Brooklyn, NY 11245, Attention: Prospectus Department; telephone: (718) 242-8002.

A registration statement relating to these securities has been filed with the Securities and Exchange Commission but has not yet become effective. These securities may not be sold nor may offers to buy these securities be accepted prior to the time the registration statement becomes effective.

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