X0306 4 2022-12-01 0 0001000229 CORE LABORATORIES N V CLB 0001740507 Daniels Kevin 6316 WINDFERN ROAD HOUSTON TX 77040 0 1 0 0 CAO & Treasurer Common Shares 2022-12-01 4 F 0 56 21.50 D 5024 D Common Shares 2022-12-01 4 M 0 140 0.00 A 5080 D Restricted Shares 2022-12-01 4 M 0 140 0.00 D Common Shares 140 140 D The Restricted Shares vest annually over six years on the anniversary of the grant date in the amount of 1/6th of the grant total, provided the reporting person remains in continuous service on each such vesting date Mulitple restricted share grants are included in this total. /s/ Mark Tattoli, Attorney-in-Fact 2022-12-02