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FOR IMMEDIATE RELEASE

CORE LAB REPORTS ADDITIONAL SHARE REPURCHASES

AMSTERDAM (15 December 2017) - Core Laboratories N.V. (NYSE: "CLB US" and Euronext Amsterdam: "CLB NA") repurchased a total of 10,000 of its common shares during the period beginning Thursday, 7 December 2017, through Friday, 15 December 2017, at an average price stated in USD of $99.02 per share. These repurchases were made as part of the Company's existing share repurchase program.

Core Laboratories N.V. (www.corelab.com) is a leading provider of proprietary and patented reservoir description and production enhancement services used to optimize petroleum reservoir performance. The Company has over 70 offices in more than 50 countries and is located in every major oil-producing region in the world.

For more information contact:

Richard L. Bergmark - CFO, +1 713 328 2101

Gwen Y. Schreffler - VP Corporate Development and Investor Relations, +1 713 328 6210investor.relations@corelab.com

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Core Laboratories NV published this content on 15 December 2017 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 15 December 2017 23:09:02 UTC.

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