66/264 CURRENCIES AND EXCHANGE RATES Exchange Rates Our functional and reporting currency is the Euro and a significant amount of our costs are denominated in Euros. In this prospectus, translations of Euro amounts into U.S. dollars are solely for the convenience of the reader. For all dates and periods, the exchange rate refers to the exchange rate as set forth in the H.10 statistical release of the Federal Reserve Board. The rates represent the noon buying rate in New York for wire transfers payable in foreign currencies. No representation is made that the Euro amounts referred to in this prospectus could have been or could be converted into U.S. dollars at any particular rate or at all. On February 23, 2018 the exchange rate was $1.2295 to €1.00. The following table sets forth information concerning exchange rates between the Euro and the U.S. dollar for the periods indicated. These rates are provided solely for your convenience and are not necessarily the exchange rates that we used in this prospectus or will use in the preparation of our periodic reports or any other information to be provided to you. (U.S. dollar per Euro) Period­end Average for period Low High Year ended December 31 : 2015 1.0862 1.1098 1.0496 1.2002 2016 1.0517 1.1070 1.0388 1.1534 2017 1.2005 1.1300 1.0406 1.2036 2018 (through February 23, 2018) 1.2295 1.2264 1.1937 1.2509 Month ended: January 2018 1.2414 1.2201 1.1937 1.2427 February 2018 (through February 23, 2018) 1.2295 1.2361 1.2247 1.2509 59