S-I/A Table of Central EBITDA and Adjusted EBITDA arc calculated as follows: Year Ended December 31, Six Months Ended June 30, (In millions) 2012 2013 2014 2014 2015 Net loss attributable to First Data S (736) S (952) S (458) S (235) S (138) Interest expense. net 1,887 1,856 1,728 920 811 Income tax (bencfiflexparse (243) 105 82 77 13 Ikpreciation and amortization(a) 1.331 1.212 1,163 582 557 EBITDA 2,239 2.221 2,515 1344 1.243 Stock-based compensation(b) 12 38 50 34 23 Other itans(c) 150 129 (95) (52) 50 Cost of alliance conversions and data center, technology and savings initiatives(d) 77 68 20 13 5 KKR related items(e) 34 32 27 14 II Debt issuance costs(f) 14 5 3 3 — Loss on debt extinguishment 56 79 274 3 — Adjustments for non-wholly owned entitieA8) (102) (81) (86) (42) (43) Amortization of initial payments for new contmcts(h) (44) (42) (45) (22) (24) Adjusted EI3ITDA 52,436 52.449 52.663 S 1295 $ 1265 (a) Includes amortization of equity method investments included in "Equity earnings in affiliates- within the consolidated statements of operations and initial payments for new contracts included as contra-revenue within "Transaction and processing service fees" within the consolidated statements of operations. (b) Represents stock-based compensation recognized as expense. (c) Includes adjustments to exclude the official check and money order businesses due to the Company's wind down of these businesses, restructuring, certain retention bonuses, litigation and regulatory settlements, and "Other income" as presented in the consolidated statements of operations included elsewhere in this prospectus, which includes divestitures, impairments, derivative gains and (losses), and non-operating foreign currency gains and (losses). (d) Represents cogs directly associated with the strategy to have First Data operate Bank of America N.A.'s legacy settlement platform an