• Gold Fields average ebitda margin for 2014 was 28.97%, a 52.52% increase from 2013.
• Gold Fields average ebitda margin for 2013 was 61.02%, a 26.34% decline from 2012.
• Gold Fields average ebitda margin for 2012 was 48.3%, a 34.62% increase from 2011.

Ebitda margin can be defined as earnings before interest, taxes, depreciation and amortization as a portion of total revenue.