X0306 4 2018-12-31 0 0001403853 Nuverra Environmental Solutions, Inc. NES 0001605665 Crabb Joseph M C/O NUVERRA ENVIRONMENTAL SOLUTIONS, INC 6720 N. SCOTTSDALE ROAD, SUITE 190 SCOTTSDALE AZ 85253 0 1 0 0 EVP & Chief Legal Officer Common Stock 2018-12-31 4 M 0 24809 A 24809 D Common Stock 2019-03-05 4 F 0 7529 10.90 D 17280 D Restricted Stock Units 2018-12-31 4 M 0 20674 0.00 D Common Stock 20674 41348 D Restricted Stock Units 2019-03-05 4 M 0 4135 0.00 D Common Stock 4135 41348 D Each restricted stock unit represents a contingent right to receive one share of Nuverra Environmental Solutions, Inc. common stock. On February 23, 2018, Mr. Crabb was granted 62,022 restricted stock units. The restricted stock units vest in three equal installments on December 31, 2018, December 31, 2019, and December 31, 2020. On February 23, 2018, Mr. Crabb was granted 62,022 restricted stock units. The restricted stock units vest in three equal installments on December 31, 2018, December 31, 2019, and December 31, 2020, subject to the achievement of pre-established performance targets during the applicable measurement periods. The first installment is subject to a performance measurement period beginning on January 1, 2018 and ending on December 31, 2018, the second installment is subject to a performance measurement period beginning on January 1, 2019 and ending on December 31, 2019, and the third installment is subject to a performance measurement period beginning on January 1, 2020 and ending on December 31, 2020. The remaining 16,539 restricted stock units for the first performance measurement period beginning on January 1, 2018 and ending on December 31, 2018 did not vest and were forfeited. /s/ Joseph M. Crabb 2019-03-05