Exhibit No. Exhibit Title Incorporated by Reference  from the Following Documents 10.13 Form of Director Performance Share Award Restricted Share Agreement (ROE Based) 1 Form 10-K, February 20, 2007  (File No. 001-14273) 10.14 Form of Restricted Share Award Program Agreement 1 Form 10-K, February 20, 2007  (File No. 001-14273) 10.15 Form of Amendment to Core Laboratories 2008 Non-Employee Director  Restricted Performance Share Award Agreement (ROE Based) Form 10-Q, April 22, 2011 (File No. 001-14273) 10.16 Form of Amendment to Core Laboratories 2009 Non-Employee Director  Restricted Performance Share Award Agreement (ROE Based) Form 10-Q, April 22, 2011 (File No. 001-14273) 10.17 Form of Amendment to Core Laboratories 2010 Non-Employee Director  Restricted Performance Share Award Agreement (ROIC Based) Form 10-Q, April 22, 2011 (File No. 001-14273)  10.18 Form of Core Laboratories 2011 Non-Employee Director Restricted Share Award  Program Agreement Form 10-Q, April 22, 2011 (File No. 001-14273) 10.19 Form of Core Laboratories 2011 Performance Share Award Program Agreement  (ROIC Based) Form 10-Q, April 22, 2011 (File No. 001-14273) 10.20 Form of Core Laboratories 2010 Performance Restricted Share Award Program  Agreement (ROIC Based) Form 10-Q, April 22, 2011 (File No. 001-14273) 10.21 Core Laboratories N.V. Board Succession Plan, dated March 2, 2011 Form 8-K, March 7, 2011 (File No. 001-14273) 10.22 Fifth Amended and Restated Credit Agreement, dated as of December 17, 2010,  among Core Laboratories N.V., Core Laboratories LP and the lenders party  thereto and Bank of America, N.A., as administrative agent Form 8-K, December 20, 2010  (File No. 001-14273) 10.23 Assignment, Assumption and Amendment to Credit Agreement related to the  Fifth Amended and Restated Credit Agreement, dated as of September 28, 2011,  among Core Laboratories N.V., Core Laboratories LP, Core Laboratories (U.S.)  Interest Holdings, Inc. and the lenders party thereto and Bank of America, N.A.,  as administrative agent Form 8-K, September 30, 2011  (File No. 001-14273) 10.24 Amendment No. 1 to the Fifth Amended and Restated Credit Agreement, dated  as of April 19, 2011, among Core Laboratories N.V., Core Laboratories LP and the lenders party thereto and Bank of America, N.A., as administrative agent Form 8-K, April 21, 2011 (File No. 001-14273) 10.25 Form of Restated Employment Agreement between Core Laboratories N.V. and  David M. Demshur dated as of December 31, 2007 1 Form 10-Q, May 12, 2008 (File No. 001-14273) 10.26 Amendment to Restated Employment Agreement dated December 31, 2007,  between Core Laboratories N.V. and David M. Demshur 1 Form 10-K, February 22, 2011  (File No. 001-14273) 65