5 Taxation
  UK Overseas Total
Current tax 2004
£m
2003
£m
2004
£m
2003
£m
2004
£m
2003
£m
Current tax charge for the period 52 22 70 55 122 77
Less double tax relief (48) (17) (48) (17)
  4 5 70 55 74 60
Adjustments in respect of prior periods 1 (10) (14) 1 (24)
Joint ventures 3 4 3 4 6 8
  8 (1) 73 45 81 44
Deferred tax
Deferred tax charge/(credit) for the period 13 (3) 12 (6) 25 (9)
Adjustments in respect of prior periods (12) 14 4 13 (8) 27
Joint ventures 3 2 3 2
  12 12 89 52 101 64

Tax reconciliation
Profit on ordinary activities before taxation         306 180
Nominal tax charge at UK corporation tax rate 30% (2003 30%)         92 54
UK R&D tax credit         (13) (12)
Goodwill not deductible for tax purposes         14 13
Fixed asset timing differences         (12) (4)
Other timing differences         (16) 10
Other items         15 7
Adjustments in respect of prior periods         1 (24)
          81 44

Analysis of taxation charge:
  Trading activities         99 84
  Non underlying items (note 7)         2 (20)
          101 64