The following performance graph compares the performance of our common shares to the Standard & Poor’s 500 Index and the  Standard & Poor’s Oil & Gas Equipment and Services Index (which has been selected as our peer group) for the period beginning  December 31, 2008 and ending December 31, 2013. The graph assumes that the value of the investment in our common shares and  each index was $100 at December 31, 2008 and that all dividends were reinvested. The stockholder return set forth below is not  necessarily indicative of future performance. The following graph and related information is “furnished” and shall not be deemed  “soliciting material” or to be “filed” with the SEC, nor shall such information be incorporated by reference into any future filing under  the Securities Act of 1933 or the Securities Exchange Act of 1934, as amended (the “Exchange Act”) except to the extent that Core  Laboratories specifically incorporates it by reference into such filing. Performance Graph Share Repurchases in the Fourth Quarter of 2013  15 (1) 5,142 shares valued at $0.9 million, or $171.34 per share, surrendered to us by participants in a stock-based compensation plan to settle any personal tax  liabilities which may result from the award. (2) 272 shares valued at $51.6 thousand, or $189.74 per share, surrendered to us by participants in a stock-based compensation plan to settle any personal tax  liabilities which may result from the award. (3) 34,400 shares valued at $6.5 million, or $189.92 per share, surrendered to us by participants in a stock-based compensation plan to settle any personal tax  liabilities which may result from the award. (4) During the quarter 111,917 treasury shares were distributed relating to stock-based awards and stock options. The following table provides information about our purchases of equity securities that are registered by us pursuant to Section 12 of  the Exchange Act during the three months ended December 31, 2013: Cumulative Total Return Among Core Laboratories, S&P Oil & Gas Equipment and Service Index 12/31/08 12/31/09 12/31/10 12/31/12 12/31/11 12/31/13 $ 700 $ 600 $ 500 $ 400 $ 300 $ 200 $ 100  0 S&P 500 Index S&P Oil & Gas Index /  Peer Group Core  Laboratories N.V. Period Total Number Of  Shares Purchased Average Price Paid Per Share Total Number Of Shares  Purchased As Part Of A Publicly Announced Program Maximum Number  Of Shares That May  Be Purchased Under  The Program (4) October 31, 2013 (1) 114,785 $ 187.50 114,785 3,194,697 November 30, 2013 (2) 122,563 $ 187.47 122,563 3,073,034 December 31, 2013 (3) 139,564 $ 189.48 139,564 3,026,387 Total 376,912  $ 188.23 376,912