(2) The non-IFRS percentage increase (decrease) compares non-IFRS measures for the two different periods. In the event there is non-IFRS adjustment to the relevant measure for only one of the periods under comparison, the non-IFRS increase (decrease) compares the non-IFRS measure to the relevant IFRS measure.
(3) Based on a weighted average 260.5 million diluted shares for Q1 2019 and 259.3 million diluted shares for Q1 2018.

	Three months ended March 31,						Change
In millions of Euros	2019 IFRS	Adjustment	2019	2018 IFRS	Adjustment	2018	IFRS	Non-IFRS
			Non-IFRS			Non-IFRS
Cost of revenue	(145.7)	2.0	(143.8)	(120.3)	1.0	(119.3)	21%	21%
Research and development	(180.3)	20.9	(159.4)	(152.7)	12.2	(140.4)	18%	14%
Marketing and sales	(291.2)	12.4	(278.8)	(253.0)	6.4	(246.6)	15%	13%
General and administrative	(76.7)	11.1	(65.6)	(69.7)	13.2	(56.5)	10%	16%
Total share-based compensation expense		€ 46.3			€ 32.8

Attachment

• 19Q1-Earnings-PR-EN-FINAL