31. Finance Expense

Finance expense for the period ended December 31, 2014 and 2013 comprise of the following:

Year ended December 31, 2014 Year ended December 31, 2013
Interest expense 19 661 12 047
Decommissioning provision: unwinding of the present value discount 1 422 1 396
Less: capitalised interest (5 804) (2 210)
Total finance expense 15 279 11 233