4. Finance Expense

Underlying2013
£'000
2012
£'000
Finance expense arising from:
— Financial liabilities at amortised cost5,1502,873
— Interest cost in relation to employee benefit obligations12412
— Foreign exchange losses483920
Underlying finance expense5,7573,805
Non-underlying2013
£'000
2012
£'000
Loss on extinguishment of debt158
Unwinding of discounts on deferred and contingent consideration297277
Non-underlying finance expense297435
Total finance expense6,0544,240