SALT LAKE CITY, UT--(Marketwire - Jun 29, 2011) - EnergySolutions (NYSE: ES) today announced the closing of an exchange offer pursuant to which it offered to exchange up to $300,000,000 in aggregate principal amount of its 10.75% Senior Notes due 2018, which have been registered under the Securities Act of 1933 (the "new notes"), for an equal aggregate principal amount of its outstanding 10.75% Senior Notes due 2018 (the "old notes").