X0306 4 2021-04-06 0 0001532286 Nine Energy Service, Inc. NINE 0001727661 Fox Ann G 2001 KIRBY DRIVE, SUITE 200 HOUSTON TX 77019 1 1 0 0 President, CEO and Director Common Stock 2021-04-06 4 F 0 19533 2.25 D 302237 D The Issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the Issuer's tax withholding obligations in connection with the vesting and settlement of the time-based restricted stock award granted on April 6, 2020. The number of shares of common stock withheld was determined based on the closing price of the Issuer's common stock on April 6, 2021. /s/ Ann G. Fox by Theodore R. Moore, as Attorney-in-fact 2021-04-07