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Finance income, finance costs and revaluation of financial instruments | 6 Months Ended
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Jun. 30, 2018
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Finance income, finance costs and revaluation of financial instruments |
7. | Finance income, finance costs and revaluation of financial instruments
Finance income includes:
|  | Six months ended 30 June 2018 |  |  | Six months ended 30 June 2017 |  |  | Year ended 31 December 2017 |
|  | £m |  |  | £m |  |  | £m |
Income from equity investments |  |  | 10.3 |  |  |  | 5.4 |  |  |  | 16.8 |
Interest income |  |  | 38.0 |  |  |  | 39.5 |  |  |  | 78.4 |
|  |  | 48.3 |  |  |  | 44.9 |  |  |  | 95.2 |
Finance costs include:
|  | Six months ended 30 June 2018 |  |  | Six months ended 30 June 2017 |  |  | Year ended 31 December 2017 |
|  | £m |  |  | £m |  |  | £m |
Net interest expense on pension plans |  |  | 2.2 |  |  |  | 3.3 |  |  |  | 6.3 |
Interest on other long-term employee benefits |  |  | 1.9 |  |  |  | 1.7 |  |  |  | 3.9 |
Interest payable and similar charges |  |  | 130.1 |  |  |  | 128.5 |  |  |  | 259.6 |
|  |  | 134.2 |  |  |  | 133.5 |  |  |  | 269.8 |
Revaluation of financial instruments include:
|  | Six months ended 30 June 2018 |  |  | Six months ended 30 June 2017 |  |  | Year ended 31 December 2017 |
|  | £m |  |  | £m |  |  | £m |
Movements in fair value of treasury instruments |  |  | 3.6 |  |  |  | 5.0 |  |  |  | 1.1 |
Revaluation of investments held at fair value through profit or loss |  |  | 26.5 |  |  |  | — |  |  |  | — |
Revaluation of put options over non-controlling interests |  |  | 21.3 |  |  |  | 9.5 |  |  |  | 52.5 |
Revaluation of payments due to vendors (earnout agreements) |  |  | 29.7 |  |  |  | 69.4 |  |  |  | 208.6 |
|  |  | 81.1 |  |  |  | 83.9 |  |  |  | 262.2 |

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