X0306 4 2022-05-24 0 0001532286 Nine Energy Service, Inc. NINE 0001748639 Willis Darryl Keith 2001 KIRBY DRIVE, SUITE 200 HOUSTON TX 77019 1 0 0 0 Common Stock 2022-05-24 4 S 0 22217 2.71 D 16906 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.68 to $2.75, inclusive. The reporting person undertakes to provide to Nine Energy Service, Inc., any security holder of Nine Energy Service, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Darryl K. Willis by Theodore R. Moore, as Attorney-in-fact 2022-05-25