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Our principal Key Performance Indicators (KPIs)

KPIYear end 2007Year end 2006
Operating margins
Maintain and strengthen margins

13.1%

12.9%
Free cash flow
Maintain strong free cash flow

£184m

£154m
Return on capital employed (ROCE)
Achieve ROCE which exceeds our cost of capital

19.6%

18.5%
Economic profit
Achieve steadily increasing economic profit

£110m

£89m
Gearing – interest cover
Maintain efficient capital structure, with relatively low gearing

8x

9x
Capital expenditure
Keep at or below 4%of revenue

3.5%

3.6%
Retaining people
Senior management retention
Overall employee retention (industry average 81.9%1)

89%
82%

91%
82%
Carbon footprint – new benchmark 58,523 tonnes not available 2
1 CIPD2007
2 Last measured in 2004 across a different set of sites