Gwendolyn Gresham - Dec 31, 2021 Form 4 Insider Report for CORE LABORATORIES N V (CLB)

Role: SVP
Signature: /s/ Mark Tattoli, Attorney-in-Fact
Stock symbol: CLB
Transactions as of: Dec 31, 2021
Transactions value $: -$41,274
Form type: 4
Date filed: 1/4/2022, 04:53 PM
Previous filing: Jun 21, 2021
Next filing: Feb 17, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CLB	Common Shares	Tax liability	-$41.3K	-1.85K	-19.2%	$22.31^*	7.78K	Dec 31, 2021	Direct
transaction	CLB	Common Shares	Options Exercise	$0	+4.7K	+95.28%	$0.00	9.63K	Dec 31, 2021	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CLB	Performance Shares	Options Exercise	$0	-4.7K	-100%	$0.00^*	0	Dec 31, 2021	Common Shares	4.7K	$0.00	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These awards vested at the end of a three-year performance period that began on January 1, 2019 and ended December 31, 2021 (the "Performance Period"). The restricted performance shares would vest only upon the Company's return on invested capital being in the top 75th percentile of the Company's peers as published by Bloomberg upon the close of the NYSE market on the last day of the Performance Period.

Content

These awards vested at the end of a three-year performance period that began on January 1, 2019 and ended December 31, 2021 (the "Performance Period"). The restricted performance shares would vest only upon the Company's return on invested capital being in the top 75th percentile of the Company's peers as published by Bloomberg upon the close of the NYSE market on the last day of the Performance Period.