CORE LABORATORIES N.V.  CONSOLIDATED STATEMENTS OF OPERATIONS 35 The accompanying notes are an integral part of these Consolidated Financial Statements. For the Years Ended December 31, (In thousands, except per share data) 2013 2012 2011 REVENUE: Services $ 765,428 $ 693,895 $ 621,752 Product sales 308,080 287,185 285,896 Total Revenue  1,073,508 981,080 907,648 OPERATING EXPENSES: Cost of services, exclusive of depreciation shown below 444,963 413,086 395,303 Cost of product sales, exclusive of depreciation shown below 218,005 208,733 198,066 General and administrative expenses, exclusive of depreciation shown below 51,988 43,185 41,141 Depreciation 24,168 21,762 22,126 Amortization 1,303 1,155 1,177 Other (income) expense, net (338) (4,121) (919) OPERATING INCOME 333,419 297,280 250,754 Loss on exchange of Senior Exchangeable Notes — — 1,012 Interest expense 9,317 8,820 10,900 Income before income tax expense 324,102 288,460 238,842 Income tax expense 80,908 71,848 54,198 Net income 243,194 216,612 184,644 Net income (loss) attributable to non-controlling interest 383 541 (40) Net income attributable to Core Laboratories N.V. $ 242,811 $ 216,071 $ 184,684 EARNINGS PER SHARE INFORMATION: Basic earnings per share attributable to Core Laboratories N.V. $ 5.31 $ 4.58 $ 3.99 Diluted earnings per share attributable to Core Laboratories N.V. $ 5.28 $ 4.54 $ 3.82 Cash dividends per share $ 1.28 $ 1.12 $ 1.00 WEIGHTED AVERAGE COMMON SHARES OUTSTANDING: Basic 45,692 47,211 46,286 Diluted 45,994 47,553 48,393