Ownership Filing by Philosophy Capital Management LLC for Nine Energy Service, Inc.

Philosophy Capital Management LLC, along with Philosophy Capital Partners, LP and Jacob Rubin, has filed a Schedule 13G, reporting beneficial ownership of Nine Energy Service, Inc. common stock. As of March 11, 2026, Philosophy Capital Management LLC and Jacob Rubin beneficially own 2,551,128 shares, representing 18.3% of the outstanding stock. Philosophy Capital Partners, LP beneficially owns 926,394 shares, or 6.6%. This filing indicates that these entities hold the shares in the ordinary course of business and not for the purpose of influencing control of the issuer. A joint filing agreement is in place, appointing Philosophy Capital Management LLC as the agent for filing with the SEC.