CABOT MICROELECTRONICS CORPORATION CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS’ EQUITY (In thousands) Accumulated Other Comprehensive Retained Comprehensive Income Earnings Income (net of tax) Capital In Common Excess of Stock Par Treasury Stock Total Balance at September 30, 2009 Share-based compensation expense Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock—other, at cost Exercise of stock options Issuance of Cabot Microelectronics restricted stock under deposit share plan Issuance of Cabot Microelectronics stock under Employee Stock Purchase Plan Net income Foreign currency translation adjustment Minimum pension liability adjustment Total comprehensive income Balance at September 30, 2010 Share-based compensation expense Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock—other, at cost Exercise of stock options Issuance of Cabot Microelectronics restricted stock under deposit share plan Issuance of Cabot Microelectronics stock under Employee Stock Purchase Plan Deferred tax effect of long-term incentives Tax deduction for the exercise of stock options granted prior to the adoption of ASC 718 Net income Foreign currency translation adjustment Minimum pension liability adjustment Total comprehensive income Balance at September 30, 2011 Share-based compensation expense, net of compensation related to dividends on unvested restricted stock Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock—other, at cost Exercise of stock options Issuance of Cabot Microelectronics restricted stock under deposit share plan Issuance of Cabot Microelectronics stock under Employee Stock Purchase Plan Dividends paid, net of expected forfeitures of unvested restricted stock Tax deduction for the exercise of stock options granted prior to the adoption of ASC 718 Tax deduction for the dividend paid on unvested restricted stock, net of expected forfeitures Net income Foreign currency translation adjustment Minimum pension liability adjustment Total comprehensive income Balance at September 30, 2012 $ 26 $ 213,031 $ 334,309 11,643 $ 13,690 $ (90,327) $ 470,729 11,643 (24,998) (766) (24,998) (766) 2,283 45 2,283 45 1,101 49,458 $49,458 4,580 268 $54,306 1,101 4,580 268 $ 18,538 54,306 $ (116,091) $ 514,343 12,646 (54,106) (1,393) (54,106) (1,393) 35,955 145 1,951 (700) $ 26 $ 228,103 $ 383,767 12,646 2 35,953 145 1,951 (700) 262 51,662 $51,662 5,490 99 $57,251 262 5,490 99 $ 24,127 57,251 $ (171,590) $ 566,354 12,980 (33,026) (1,511) (33,026) (1,511) 34,107 155 2,228 $ 28 $ 278,360 $ 435,429 12,980 1 34,106 155 2,228 (346,814) 498 1,455 40,826 $40,826 6,876 (537) $47,165 (346,814) 498 1,455 6,876 (537) $30,466 47,165 $(206,127) $ 283,591 $29 $ 329,782 $ 129,441 The accompanying notes are an integral part of these consolidated financial statements. 38