X0306 4 2021-05-19 0 0001000229 CORE LABORATORIES N V CLB 0001846675 Temeng Kwaku 6316 WINDFERN ROAD HOUSTON TX 77040 1 0 0 0 Restricted Shares 0.00 2021-05-19 4 A 0 4307 0.00 A Common Shares 4307 4307 D The Restricted Shares were granted to Mr. Temeng upon his 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, 2021, and will vest, without performance criteria, on April 1, 2022, 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 2021-05-19