Key financial data

$ million H1 2020 H1 2019 Change Constant currency change
Revenue 1,132 1,047 8% 8%
Core revenue 1,132 1,043 9% 9%
Gross profit 602 548 10% 10%
Core gross profit 602 544 11% 10%
Operating profit 297 238 25% 26%
Core operating profit 284 246 15% 16%
EBITDA 328 297 10% 11%
Core EBITDA 328 288 14% 15%
Profit attributable to shareholders 212 185 15% 16%
Core profit attributable to shareholders 205 176 16% 18%
Basic earnings per share (cents) 87.6 76.4 15% 16%
Core basic earnings per share (cents) 85.3 72.7 17% 18%
Interim dividend per share (cents) 16.0 14.0 14% -
Cash flow from operating activities 292 187 56% -