EBITDA and Net profit

EBITDA (USD million)
Index 2017 2018 Change, %
Operating profit 3,123 5,416 73
Depreciation and amortisation 645 765 19
Impairment of non-financial assets 227 50 -78
EBITDA 3,995 6,231 56
EBITDA margin 44% 53% 9 p. p.

In 2018, EBITDА increased by 56% (or +USD 2,236 million) to USD 31 million with the EBITDA margin amounting to 53% (up from 44% in 2017) owing to higher metal revenue, decrease of one-off social expenses and Russian rouble depreciation.

Net profit before non-cash write-offs and foreign exchange differences (USD million)
Index 2017 2018 Change, %
Net profit 2,123 3,059 44
Impairment of non-financial assets 227 50 -78
Foreign exchange loss/(gain), net -159 1,029 n. a.
Gain from disposal of subsidiaries -20 100
Net profit before non-cash write offs and foreign exchange differences 2,171 4,138 91