X0306 4 2013-05-24 1 0001393744 EnergySolutions, Inc. ES 0001558986 Workman Russell Gibbons 423 WEST 300 SOUTH SUITE 200 SALT LAKE CITY UT 84101 0 1 0 0 General Counsel and Secretary Common Stock 2013-05-24 4 D 0 14000 4.15 D 0 D Phantom Stock 2013-05-24 4 D 0 37313 4.15 D 2015-10-10 Common Stock 37313 0 D Phantom Stock 2013-05-24 4 D 0 12700 4.15 D 2015-03-01 Common Stock 12700 0 D Pursuant to the terms of the Agreement and Plan of Merger, dated as of January 7, 2013, as amended on April 5, 2013, by and among EnergySolutions, Inc. (the "Company"), Rockwell Holdco, Inc., a Delaware corporation, Rockwell Acquisition Corp., a Delaware corporation (the "Merger Agreement"; capitalized terms used but not defined herein have the meanings assigned to them in the Merger Agreement), at the Effective Time, each share of Company Common Stock held by the reporting person was cancelled and converted automatically into the right to receive $4.15 in cash. Each share of phantom stock is the economic equivalent of one share of Company common stock. The shares of phantom stock vest in three equal annual installments beginning on October 10, 2013. Upon vesting, the shares will be settled in cash according to the current stock price at the time of vest. Each share of phantom stock is the economic equivalent of one share of Company common stock. The shares of phantom stock vest in three equal annual installments beginning on March 1, 2013. Upon vesting, the shares will be settled in cash according to the current stock price at the time of vest. Pursuant to the terms of the Merger Agreement, at the Effective Time, each of the Company Performance Share Units and Company Phantom Share Awards held by the reporting person became fully vested (with the exception of Company Performance Share Units and Company Phantom Share Awards that are earned based on the achievement of performance, which instead became earned and vested in accordance with the terms of the applicable award agreements) and converted into the right to receive a cash payment with respect thereto equal to the product of (i) the total number of shares of Company Common Stock subject to such Company Performance Share Unit award or Company Phantom Share Award, respectively, and (ii) $4.15, less any required withholding Taxes. /s/ Russell G. Workman 2013-05-24