X0206 3 2022-09-16 0 0001449488 CSI Compressco LP CCLP 0001947949 Pruski Rodney P 1735 HUGHES LANDING BLVD., SUITE 200 THE WOODLANDS TX 77380 0 1 0 0 Vice President of Operations Common Units representing Limited Partner interests 131183 D Includes 46,631 phantom units previously granted pursuant to the CSI Compressco LP Second Amended and Restated 2011 Long Term Incentive Plan that remain subject to vesting. /s/ Rodney P. Pruski 2022-09-29