X0508 4 2025-03-04 0001692427 NCS Multistage Holdings, Inc. NCSM 0001180365 RALLS W MATT C/O NCS MULTISTAGE HOLDINGS, INC. 19350 STATE HIGHWAY 249, SUITE 600 HOUSTON TX 77070 1 0 Common Stock 2025-03-04 4 A 0 4339 0 A 27844 D Includes 4,339 restricted stock units which vest on February 28, 2026 and 20,917 vested restricted stock units and and all of which settle within thirty days following the earlier of (i) the termination of the Reporting Person's service for any reason or (ii) a change of control. /s/ Ori Lev, attorney-in-fact 2025-03-04