Five Year Summary (Unaudited)

Year ended 31 December 2014 £m 2015 £m 2016 £m 2017 (restated) (i) £m 2018 £m
Group revenue 29,408 27,971 27,102 28,035 29,686
Operating profit/(loss) before exceptional items and certain re-measurements: ? ? ? ? ?
UK Home
737 880 810 819 668
Ireland
7 30 46 47 44
North America Home
118 77 93 114 123
Connected Home
(23) (49) (50) (95) (85)
UK Business
114 (19) 50 4 40
North America Business
20 246 221 71 81
Distributed Energy & Power
(17) (32) (26) (53) (81)
Energy Marketing & Trading
136 66 161 104 54
Central Power Generation
81 128 75 35 27
Exploration & Production
484 132 135 201 521
Adjusted operating profit - operating profit before exceptional items and certain re-measurements 1,657 1,459 1,515 1,247 1,392
Share of joint ventures’ and associates’ interest and taxation (89) (61) (48) (7) -
? 1,568 1,398 1,467 1,240 1,392
Exceptional items and certain re-measurements after taxation (1,932) (1,717) 777 (407) (416)
Profit/(loss) attributable to owners of the parent (1,012) (747) 1,672 328 183
? Pence Pence Pence Pence Pence
Earnings per ordinary share (20.2) (14.9) 31.4 5.9 3.3
Adjusted earnings per ordinary share 18.0 17.2 16.8 12.5 11.2
Dividend per share declared in respect of the year 13.5 12.0 12.0 12.0 12.0

Assets and liabilities

Year ended 31 December 2014 £m 2015 £m 2016 £m 2017 (restated) (i) £m 2018 £m
Goodwill and other intangible assets 4,600 3,824 4,383 4,326 4,456
Other non-current assets 9,974 7,790 8,218 7,190 7,435
Net current assets/(liabilities) (1,492) (521) 1,220 1,705 284
Non-current liabilities (10,011) (9,718) (11,173) (9,789) (8,227)
Net assets/(liabilities) of disposal groups held for sale - (33) 196 - -
Net assets 3,071 1,342 2,844 3,432 3,948
Debt, net of cash, cash equivalents and securities:
Net debt
(5,196) (4,747) (3,473) (2,596) (2,656)

Cash flows

Year ended 31 December 2014 £m 2015 £m 2016 £m 2017 (restated) (i) £m 2018 £m
Cash flow from operating activities before exceptional payments 1,342 2,278 2,669 2,016 2,182
Payments relating to exceptional charges (125) (81) (273) (176) (248)
Net cash flow from investing activities (651) (611) (803) 32 (1,007)
Cash flow before cash flow from financing activities 566 1,586 1,593 1,872 927

(i) Comparatives have been restated to reflect the change to the Group’s operating structure as a result of which the segment formerly known as Centrica Storage is now presented as part of Exploration & Production.