CLB 2019 Proxy Statement

60 CORE LABORATORIES N.V. C/O COMPUTERSHARE TRUST CO., N.A. ATTN: JENNIFER HARLA 250 ROYALL STREET CANTON, MA 02021 VOTE BY INTERNET - www.proxyvote.com Use the Internet to transmit your voting instructions and for electronic delivery of information up until 5:00 P.M. Eastern Daylight Time on May 22, 2019. Have your proxy card in hand when you access the web site and follow the instructions to obtain your records and to create an electronic voting instruction form. ELECTRONIC DELIVERY OF FUTURE PROXY MATERIALS If you would like to reduce the costs incurred by our company in mailing proxy materials, you can consent to receiving all future proxy statements, proxy cards and annual reports electronically via e-mail or the Internet. To sign up for electronic delivery, please follow the instructions above to vote using the Internet and, when prompted, indicate that you agree to receive or access proxy materials electronically in future years. VOTE BY PHONE - 1-800-690-6903 Use any touch-tone telephone to transmit your voting instructions up until 5:00 P.M. Eastern Daylight Time on May 22, 2019. Have your proxy card in hand when you call and then follow the instructions. VOTE BY MAIL Mark, sign and date your proxy card and return it in the postage-paid envelope we have provided or return it to Vote Processing, c/o Broadridge, 51 Mercedes Way, Edgewood, NY 11717. TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS: M52480-P33425-P33515 KEEP THIS PORTION FOR YOUR RECORDS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - DETACH AND RETURN THIS PORTION ONLY THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED. CORE LABORATORIES N.V. The Board of Supervisory Directors recommends that you vote FOR the following: For Withhold 1. To re-elect two Class II Supervisory Directors, Martha Z. Carnes and Michael Straughen, and to elect one new Class II Supervisory Director, Gregory Barnett, to serve until our annual meeting in 2022 under the terms and conditions described within the proxy statement and until their successors shall have been duly elected and qualified; 1a) Martha Z. Carnes 1b) Michael Straughen 1c) Gregory B. Barnett For Against Abstain For Against Abstain The Board of Supervisory Directors recommends you vote FOR the following proposals: 2. To appoint KPMG, including its U.S. and Dutch affiliates, (collectively, "KPMG") as Core Laboratories N.V.'s (the "Company") independent registered public accountants for the year ending December 31, 2019. 6. To approve and resolve the extension of the authority to issue shares and/or to grant rights (including options to purchase) with respect to our common and preference shares up to a maximum of 10% of outstanding shares per annum until November 23, 2020. 3. To confirm and adopt our Dutch Statutory Annual Accounts in the English language for the fiscal year ended December 31, 2018, following a discussion of our Dutch Report of the Management Board for that same period. 7. To approve and resolve the extension of the authority to limit or exclude the preemptive rights of the holders of our common shares and/or preference shares up to a maximum of 10% of outstanding shares per annum until November 23, 2020. 4. To approve and resolve the cancellation of our repurchased shares held at 12:01 a.m. CEST on May 23, 2019. 8. To approve, on an advisory basis, the compensation philosophy, policies and procedures described in the section entitled Compensation Discussion and Analysis and the compensation of Core Laboratories N.V.'s named executive officers as disclosed pursuant to the United States Securities and Exchange Commission's compensation disclosure rules, including the compensation tables. 5. To approve and resolve the extension of the existing authority to repurchase up to 10% of our issued share capital from time to time for an 18-month period, until November 23, 2020, and such repurchased shares may be used for any legal purpose. NOTE: Such other business as may properly come before the annual meeting or any adjournment thereof shall be voted in accordance with the discretion of the attorneys and proxies appointed hereby. Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. If a corporation or partnership, please sign in full corporate or partnership name, by authorized officer. Signature (PLEASE SIGN WITHIN BOX) Date Signature (Joint Owners) Date