On January 31, 2018, Core Laboratories N.V. announced that, effective at the conclusion of the 2018 annual shareholders' meeting, Richard Bergmark will resign from his role as Chief Financial Officer and he will not seek re-election to the Supervisory Board of Directors of the company. Mr. Bergmark will remain in his role as Executive Vice President until he retires from the company on December 31, 2018. Mr. Bergmark will retire from the Supervisory Board upon the conclusion of the Annual Meeting.

Christopher Hill will replace Mr. Bergmark as Chief Financial Officer effective at the conclusion of the Annual Meeting. Mr. Hill, age 48, currently serves as the company's Chief Accounting Officer, a position he has held since May 2015. Prior to joining the company, he worked at Halliburton from August 2000 to October 2006 as Controller - Energy & Chemicals of the KBR Division and Corporate Director of Training and Accounting Research.

On January 31, 2018, the company also announced that, effective February 1, 2018, Lawrence Bruno will replace David Demshur as President of the company; however, Mr. Demshur will continue to serve as the company's Chairman and Chief Executive Officer. Lawrence Bruno also will be nominated for election to the Supervisory Board at the 2018 Annual Meeting in replacement of Mr. Bergmark. Mr. Bruno, age 58, currently serves as Vice President, Reservoir Description, a position he has held since July 2015.

Prior to becoming Vice President, Reservoir Description, Mr. Bruno was the General Manager of U.S. Rocks from 1999 to July 2015. Prior to joining the company, he was employed at an oil and gas service company for 14 years before it was acquired by Core Laboratories in 1999. Mr. Bruno received a Master of Science degree in Geology in 1987 from the University of Houston.

There are no transactions between the Company and Mr. Bruno that would require disclosure under Item 404(a) of Regulation S-K.