FOR IMMEDIATE RELEASE

For more information, contact: Richard L. Bergmark, + 1 713 328 2101
Fax: +1 713 328 2151

CORE LAB REPORTS ADDITIONAL SHARE REPURCHASES

AMSTERDAM (11 January 2013) - Core Laboratories N.V. (NYSE: "CLB US" and NYSE Euronext: "CLB NA") repurchased a total of 39,400 of its common shares during the period of time beginning Friday, 4 January 2013, through Friday, 11 January 2013, at an average price of USD $110.76 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, production enhancement, and reservoir management 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.
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