Note2018
£'000
2017
£'000
Change in fair value of investments1151,1735,544
Revenue31,3281,857
Administrative expenses6(11,698)(10,990)
Operating profit / (loss)40,803(3,589)
Net finance income/(expense)7708(15)
Foreign exchange gains/(losses)114,583(432)
Share-based payment charge18(3,333)(3,654)
Profit / (loss) before taxation42,761(7,690)
Taxation9(5,883)221
Profit / (loss) for the year36,878(7,469)
Other comprehensive income
Exchange differences on translating foreign operations1,269(1,202)
Taxation9-59
Total comprehensive income / (loss) for the year38,147(8,612)
Attributable to
Owners of Arix Bioscience plc38,147(8,612)
Earnings per share
Basic earnings per share (p)1032.1(11.0)
Diluted earnings per share (p)1029.7(11.0)

The above consolidated statement of comprehensive income should be read in conjunction with the accompanying notes.