Amendment #4 Page 460 of 868 8. Derivative financial instruments As of Mirth 31, 2015 and December 31. 2014 the Cowpony has cortracted cross currency rterest swaps w4h BBVA Banco Continental in order to manage the interest rale risk The detail of act, instrumerts is as folkiws Description Beginning date NO(1111111 amount Fair value Maturity dote USS(000) 8/4000) Exchange rate March 31, December 31, 2016 2014 8/4000) $14000) Swap agreerrert - BBVA Banco ConfineMai 26/10/2010 30/07/2019 6,060 16 878 2 785 3,024 2,249 Swap agreemert - BBVA Banco Continental 15/03/2013 15.03/2023 8,982 18.048 2 585 6,846 5,390 Swap agreemert - BBVA Banco Continental 09/04/2013 10/04/2023 1,383 3,551 2.567 1,384 1,003 Toll 14,C5 38,477 11,254 8,722 Effects d the accounting of dem/alive financial instruments hell by the Company are presented in the 'financial expenses' caption of the statemerts d comprehensive income 9. Cost of sales Foiowinq is the composition of this canton For the three months ended 31 March 2016 2014 3/4000) 3/4000) Depreciabon 892 927 Operating and maintenance cost 660 593 insttarce 295 339 Taxes 204 191 Amortization of •tangible asset 52 52 Mairteronce of fixed assets 8 — Cther 195 140 2 336 2242 F'140 http://cfdocs.btogo.com:27638/cf/drv7/pub/edgar/2015/07/20/0001193125-15-256461/d78... 7/20/2015 CONFIDENTIAL - PURSUANT TO FED. R. CRIM. P. 6(e) DB-SDNY-0058417 CONFIDENTIAL SDNY_GM_00204601 EFTA01366889