Key financial data

$ million 2019 2018 Change Constant currency change
Revenue 2,207 2,070 7% 6%
Core revenue 2,203 2,076 6% 6%
Gross profit 1,148 1,050 9% 8%
Core gross profit 1,144 1,072 7% 6%
Operating profit 493 371 33% 31%
Core operating profit 508 460 10% 9%
EBITDA 592 492 20% 19%
Core EBITDA 593 549 8% 6%
Profit attributable to shareholders 486 282 72% 70%
Core profit attributable to shareholders 364 332 10% 7%
Basic earnings per share (cents) 200.8 117.0 72% 69%
Core basic earnings per share (cents) 150.4 137.8 9% 7%
Dividend per share (cents) 44 38 16% -
Net cash flow from operating activities 472 430 10% -