Reconciliation EBITDA and Operating Cash Cost to GAAP measure

2017
 
January
January
2016
 
October
October
July
July
April
April
February
February
2015
 
October
October
July
July
April
April
February
February
2014
 
October
October
July
July
April
April
February
February
2013
 
October
October
July
July
April
January
2012
 
October
July
April
February
2011
 
October
July
April
February
2010
 
October
July
April
January
2009
 
October
July
March