Additional Non GAAP Reconciliations December 31, September 30, December 31, December 31, December 31, 2014 2015 2015 2014 2015 Net loss (22,492) $ (10,523) $ (12,282) $ (72,752) $ (43,210) $ Interest expense and other, net 14,253 11,731 11,192 56,261 50,972 Income tax provision (benefit) (1,152) 2,060 (91) (4,744) 2,730 Depreciation and amortization 47,686 46,502 46,826 186,872 188,315 Stock-based compensation expense 2,392 3,635 3,730 12,600 14,594 Impairment of long-lived assets 2,974 - - 14,334 - Restructuring, acquisition and integration-related costs 9,095 5,486 4,484 20,088 19,320 Loss on extinguishment of debt - 2,482 - - 9,734 Loss from discontinued operations, net of tax 442 - - 381 - Purchases of property and equipment (28,624) (22,011) (27,055) (102,863) (87,468) Unlevered Free Cash Flow 24,574 $ 39,362 $ 26,804 $ 110,177 $ 154,987 $ December 31, September 30, December 31, December 31, December 31, 2014 2015 2015 2014 2015 Net cash provided by operating activities 38,657 $ 73,962 $ 41,359 $ 139,995 $ 167,448 $ Income tax provision (benefit) (1,152) 2,060 (91) (4,744) 2,730 Non-cash income taxes (4,530) (151) (145) (591) (677) Interest expense and other, net 14,253 11,731 11,192 56,261 50,972 Amortization of debt discount and issuance costs (1,037) (849) (831) (4,104) (3,703) Restructuring, acquisition and integration-related costs 9,095 5,486 4,484 20,088 19,320 Changes in operating assets and liabilities (2,578) (30,951) (2,324) 5,673 6,721 Purchases of property and equipment (28,624) (22,011) (27,055) (102,863) (87,468) Other, net 490 85 215 462 (356) Unlevered Free Cash Flow 24,574 $ 39,362 $ 26,804 $ 110,177 $ 154,987 $ Net cash used in investing activities (28,624) (22,011) (27,055) (102,777) (87,468) Net cash used in financing activities (5,512) (51,690) (10,631) (19,721) (122,817) EARTHLINK HOLDINGS CORP. Reconciliation of Net Loss to Unlevered Free Cash Flow (in thousands) Three Months Ended Twelve Months Ended Three Months Ended EARTHLINK HOLDINGS CORP Reconciliation of Net Cash Provided by Operating Activities to Unlevered Free Cash Flow (in thousands) Twelve Months Ended
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