X0306 4 2018-08-21 0 0001532286 Nine Energy Service, Inc. NINE 0001728275 Woolston Richard S. 2001 KIRBY DRIVE, SUITE 200 HOUSTON TX 77019 0 1 0 0 Chief Accounting Officer Common Stock 2018-08-21 4 S 0 4186 30.94 D 14608 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.94 to $30.96, 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/ Richard S. Woolston by Theodore R. Moore, as Attorney-in-fact 2018-08-23