69/264 Set forth below is a reconciliation of EBITDA to net loss attributable to owners of the parent and a reconciliation of Free Cash Flow to net cash flows (used in)/from operating activities, in each case, for the periods presented: EBITDA: Year ended December 31, 2013 2014 2015 2016 2017 (in € millions) Net loss attributable to owners of the parent (63 ) (188 ) (230 ) (539 ) (1,235 ) Finance income/(costs)—net (37 ) (9 ) (10 ) 186 855 Income tax expense 2 6 5 4 2 Depreciation and amortization 10 19 30 38 54 EBITDA (88 ) (172 ) (205 ) (311 ) (324 ) Free Cash Flow: Year ended December 31, 2013 2014 2015 2016 2017 (in € millions) Net cash flows (used in)/from operating activities (25 ) (74 ) (38 ) 101 179 Capital expenditures (34 ) (16 ) (44 ) (27 ) (36 ) Change in restricted cash — (4 ) (10 ) (1 ) (34 ) Free Cash Flow (59 ) (94 ) (92 ) 73 109 62