*Underlying results are stated before non-underlying items of £1.3m (2017: £1.8m):

  • Amortisation of acquired intangible assets – £1.3m (2017: £2.6m)
  • Movement in fair value of derivative financial instruments – £nil (2017: gain of £0.8m)
  • The associated tax impact of the above, together with the impact of a reduction in future corporation tax rates on deferred tax liabilities – £0.4m (2017: £0.6m)