X0306 4 2017-11-28 0 0001337013 InfuSystem Holdings, Inc INFU 0001519525 Sansone Christopher R. C/O INFUSYSTEM HOLDINGS, INC. 31700 RESEARCH PARK DRIVE MADISON HEIGHTS MI 48071 1 0 0 0 Common Stock 2017-11-28 4 P 0 33008 2.3 A 1310012 D Common Stock 2017-11-28 4 P 0 8252 2.3 A 276138 D Common Stock 1483548 I See Common Stock 1483548 I See Common Stock 1483548 I See The reported securities are directly owned by Sansone Partners, L.P. The reported securities are directly owned by Sansone Partners (QP), L.P. The reported securities are directly owned by (i) Sansone Partners, L.P., a Delaware limited partnership (the "3c1 Partnership"), and (ii) Sansone Partners (QP), L.P., a Delaware limited partnership (the "3c7 Partnership", and together with 3c1 Partnership, the "Partnerships"), and may be deemed to be indirectly beneficially owned by Sansone Advisors, LLC, a Delaware limited liability company, as the investment manager of Partnerships (the "Investment Manager"), and by Sansone Capital Management, LLC, a Delaware limited liability company, as the general partner of the Partnerships (the "General Partner"). The reported securities may also be deemed to be indirectly beneficially owned by Christopher Sansone as the managing member of the Investment Manager and the General Partner. The reporting persons disclaim beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. /s/Trent N. Smith, Attorney-in-Fact for Christopher R. Sansone 2017-11-29