X0306 4 2020-05-20 0 0001000229 CORE LABORATORIES N V CLB 0001801607 van Dijken Eeuwijk Monique 6316 WINDFERN ROAD HOUSTON TX 77040 1 0 0 0 Restricted Shares 0.00 2020-05-20 4 A 0 14507 0.00 A Common Shares 14507 14507 D The Restricted Shares were granted to Mrs. van Dijken Eeuwijk upon her election to the Board of Supervisory Directors of Core Laboratories N.V., as part of the annual grant given to all non-executive directors on April 1, 2020, and will vest, without performance criteria, on April 1, 2021, at the end of a one-year vesting period from the date of the original non-executive directors' grant, subject to the terms of issuance. /s/ Mark Elvig, Attorney-in-Fact 2020-05-20