text: **Finance costs.**Finance costs, net of amounts capitalised to exploration and development, increased by $0.9 million to 
  $0.7 million for the year ended 31 December 2014 as compared to net interest income of $0.2 million in the prior year. The 
  increase primarily relates to an increase in amortisation of deferred financing fees and additional interest incurred on undrawn 
  funds. 
  
  **Gain (loss) on derivative financial instruments**. The net gain (loss) on derivative financial instruments changed by $11.6 million 
  to an $11.0 million gain for the year ended 31 December 2014 as compared to the prior year. The gain on commodity hedging 
  consisted of $9.7 million of unrealised gains on commodity derivative contracts and $1.3 of realised gains on commodity 
  derivative contracts. 