(1)In the reconciliation schedule above, (i) all adjustments to IFRS revenue data reflect the exclusion of the deferred revenue adjustment of acquired companies; (ii) adjustments to IFRS operating expense data reflect the exclusion of the amortization of acquired intangibles, share-based compensation expense and related social charges, and other operating income and expense, (iii) adjustments to IFRS financial revenue and other, net reflect the exclusion of certain one-time items included in financial revenue and other, net, and (iv) all adjustments to IFRS income data reflect the combined effect of these adjustments, plus for net income and diluted net income per share, certain one-time tax effects and the income tax effect of the non-IFRS adjustments.

In millions of Euros		Three months ended September 30,												Change
		2018 IFRS		Adjustment		2018 Non-IFRS		2017 IFRS		Adjustment		2017 Non-IFRS		IFRS		Non-IFRS
Cost of revenue		(126.2)		1.3		(124.9)		(110.8)		1.2		(109.6)		14%		14%
Research and development		(153.8)		12.0		(141.8)		(140.6)		12.4		(128.1)		9%		11%
Marketing and sales		(256.5)		8.4		(248.1)		(232.1)		10.9		(221.2)		11%		12%
General and administrative		(70.1)		9.7		(60.3)		(60.5)		7.2		(53.3)		16%		13%
Total share-based compensation expense				€ 31.5						€ 31.7

(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 260.8 million diluted shares for Q3 2018 and 258.5 million diluted shares for Q3 2017.

IAS 18

DASSAULT SYSTEMES
SUPPLEMENTAL NON-IFRS FINANCIAL INFORMATION
IFRS – NON-IFRS RECONCILIATION
(unaudited; in millions of Euros, except per share data)

Readers are cautioned that the supplemental non-IFRS information presented in this press release is subject to inherent limitations. It is not based on any comprehensive set of accounting rules or principles and should not be considered as a substitute for IFRS measurements. Also, the Company’s supplemental non-IFRS financial information may not be comparable to similarly titled non-IFRS measures used by other companies. Further specific limitations for individual non-IFRS measures, and the reasons for presenting non-IFRS financial information, are set forth in the Company’s Document de référence for the year ended December 31, 2017 filed with the AMF on March 21, 2018. To compensate for these limitations, the supplemental non-IFRS financial information should be read not in isolation, but only in conjunction with the Company’s consolidated financial statements prepared in accordance with IFRS.

In millions of Euros, except per share data and percentages		Nine months ended September 30,												Change
		2018 IFRS		Adjustment (1)		2018 Non-IFRS		2017 IFRS		Adjustment (1)		2017 Non-IFRS		IFRS		Non-IFRS (2)
Total Revenue IAS18		€ 2,433.5		€ 9.6		€ 2,443.1		€ 2,317.6		€ 11.6		€ 2,329.2		5%		5%
Total Revenue IAS18 breakdown by activity
Software revenue		2,169.1		9.1		2,178.2		2,057.8		11.6		2,069.4		5%		5%
Licenses and other software revenue		587.7				587.7		560.0				560.0		5%		5%
Subscription and Support revenue		1,581.3		9.1		1,590.4		1,497.8		11.6		1,509.4		6%		5%
Recurring portion of Software revenue		73%				73%		73%				73%
Services revenue		264.4		0.5		264.9		259.8				259.8		2%		2%
Total Software Revenue IA18 breakdown by product line
CATIA software revenue		736.7		1.7		738.4		716.4				716.4		3%		3%
ENOVIA software revenue		242.5				242.5		235.7				235.7		3%		3%
SOLIDWORKS software revenue		537.8				537.8		517.1				517.1		4%		4%
Other software revenue		652.1		7.5		659.5		588.6		11.6		600.2		11%		10%
Total Revenue IAS18 breakdown by geography
Americas		728.8		5.7		734.5		718.2		3.5		721.7		1%		2%
Europe		1,021.6		2.1		1,023.7		970.2		7.3		977.5		5%		5%
Asia		683.1		1.8		684.9		629.2		0.8		630.0		9%		9%
Total Operating Expenses		(€ 1,951.6)		227.0		(€ 1,724.5)		(€ 1,868.8)		224.8		(€ 1,644.0)		4%		5%
Share-based compensation expense		(91.6)		91.6		-		(86.1)		86.1		-
Amortization of acquired intangibles		(126.3)		126.3		-		(119.6)		119.6		-
Other operating income and expense, net		(9.1)		9.1		-		(19.1)		19.1		-
Operating Income		€ 481.9		236.7		€ 718.6		€ 448.8		236.4		€ 685.2		7%		5%
Operating Margin		19.8%				29.4%		19.4%				29.4%
Financial revenue & other, net		12.6		(0.2)		12.4		20.9		(20.7)		0.2		-40%		N/A
Income tax expense		(131.7)		(77.2)		(208.9)		(154.2)		(69.5)		(223.7)		-15%		-7%
Non-controlling interest		3.1		(1.4)		1.7		(1.0)				(1.0)
Net Income attributable to shareholders		€ 365.9		157.9		€ 523.8		€ 314.5		146.2		€ 460.7		16%		14%
Diluted Net Income Per Share (3)		€ 1.41		0.60		€ 2.01		€ 1.22		0.57		€ 1.79		16%		12%

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