KPI MEASUREFY2018FY2017DEFINITION / CALCULATION
Growing the business
Group revenue at constant currency+4.4%+2.0%% increase/(decrease) in Group revenue at constant exchange rates1
Group EBIT at constant currency+5.3%+4.1%% increase/(decrease) in Group underlying EBIT2 (earnings before interest and tax) at constant exchange rates1
Group PBT+7.3%+10.4%% increase/(decrease) in Group underlying profit before tax2
Group operating margin13.7%13.6%Underlying EBIT2 divided by revenue
Net debt / EBITDA ratio1.7x1.7xRatio of Group net debt to Group EBITDA before special items2 (earnings before interest, tax, depreciation and amortisation)
Delivering value to shareholders
Adjusted basic EPS64.5p65.1pProfit after tax before special items2, divided by the weighted average number of shares in issue during the year
Total dividend per share21.0p20.3pSum of interim and final dividends per share for the financial year
Health and Safety
RIDDORs across the Group511Number of RIDDORs (Reporting of Injuries, Diseases & Dangerous Occurences Regulations) reported across the Group
Environment
Total emissions per £1,000 of sales0.200.22Emissions per £1,000 of Group sales measured in tonnes of CO2e
Total emissions per employee28.929.0Emissions across the Group divided by the average number of employees during the financial year, measured in tonnes of CO2e
  1. At constant exchange rates; FY2017 actuals retranslated at the FY2018 average rate.
  2. Underlying figures are as defined in the Alternative Performance Measures section set out in the Notes to our Consolidated Accounts.