Results of operations

In 2015, our sales volumes and main financial indicators decreased year-on-year, however our margin improved.

2015 2014 Change
in million dollars in million dollars
Sales volume (in thousand tonnes) 3,871 4,402 (531)
Revenue 4,127 6,009 (1,882)
Cost of sales (3,282) (4,839) 1,557
GROSS PROFIT 845 1,169 (325)
GROSS PROFIT MARGIN 20% 19%
Net operating expenses1 (524) (693) 170
(Impairment) / Reversal of impairment of assets (352) (153) (199)
Foreign exchange gain/(loss), net (141) (301) 160
(Loss)/gain on changes in fair value of derivative financial instrument (2) 2 (4)
Finance costs, net (269) (226) (43)
INCOME/(LOSS) BEFORE TAX (443) (201) (242)
Income tax benefit/(expense) 75 (15) 90
NET INCOME/(LOSS) (368) (217) (151)
NET INCOME MARGIN (9)% (4)%
ADJUSTED EBITDA 636 804 (168)
ADJUSTED EBITDA MARGIN 15% 13%

1Net operating expenses include selling and distribution, general and administrative, advertising and promotion, research and development, share of profit in associate, gain on disposal of subsidiary and net other operating income/(expense).