Dassault Systèmes SE

Capital/Financing Update • Jan 10, 2022

Half-year statement of the Liquidity contract entered into with Oddo BHF SCA

Dassault Systèmes (Euronext Paris: FR0014003TT8, DSY.PA) announces that the following resources appeared on December 31, 2021 on the liquidity contract entered into with Oddo BHF SCA implemented on January 7, 2015 and updated on June 18, 2019:

• 213,485* Dassault Systèmes shares, and
• € 25,406,525.43 in cash.

It is reminded that:

• 1. at the time of the implementation of the liquidity contract, the following resources appeared on the liquidity account:
  2. 0 Dassault Systèmes shares;
  3. € 10,000,000 in cash.
• 1. Pursuant to the amendment dated October 26, 2017, an additional contribution of € 5,000,000 was made, increasing from € 10,000,000 to € 15,000,000 the resources of the liquidity agreement.
• 1. Pursuant to the amendment dated December 13, 2018, an additional contribution of € 5,000,000 was made, increasing from € 15,000,000 to € 20,000,000 the resources of the liquidity agreement.
• 1. At the time of implementation of the new liquidity contract on June 18, 2019, the following resources appeared on the liquidity account:
  2. 62,557 Dassault Systèmes stocks, and;
  3. € 17,496,140.38 in cash.

From July 1, 2021 to December 31, 2021 the following transactions have been carried out:

• 7,702 purchases;
• 9,352 sales.

During the same period, the volume of securities traded, amounted to:

• 1,269,161* Dassault Systèmes stocks and € 60,907,216.2 purchases;
• 1,416,504* Dassault Systèmes stocks and € 68,611,389.5 sales.

* It is reminded that the par value of the Dassault Systèmes share has been divided by 5, and that the total amount of Dassault Systèmes shares has been multiplied by 5, on July 7, 2021.

ABOUT DASSAULT SYSTÈMES

Dassault Systèmes, the 3DEXPERIENCE Company, is a catalyst for human progress. We provide business and people with collaborative 3D virtual environments to imagine sustainable innovations. By creating virtual twin experiences of the real world with our 3DEXPERIENCE platform and applications, our customers push the boundaries of innovation, learning and production. Dassault Systèmes brings value to more than 290,000 customers of all sizes, in all industries, in more than 140 countries. For more information, visit www.3ds.com

Dassault Systèmes Investor Relations' Contacts François-José BORDONADO / Béatrix MARTINEZ investors@3ds.com +33 (0)1 61 62 69 24

© Dassault Systèmes. All rights reserved. 3DEXPERIENCE, the Compass icon, the 3DS logo, CATIA, BIOVIA, GEOVIA, SOLIDWORKS, 3DVIA, ENOVIA, NETVIBES, MEDIDATA, CENTRIC PLM, 3DEXCITE, SIMULIA, DELMIA, and IFWE are commercial trademarks or registered trademarks of Dassault Systèmes, a French "société européenne" (Versailles Commercial

	SALES
Date	Transactions quantity	Securities quantity	Capital in EUR	Transactions quantity	Securities quantity	Capital in EUR
Total	7,702	1,269,161	60,907,216.21	9,352	1,416,504	68,611,389.5
01/07/2021	90	5,500	1,116,550	38	2,023	417,696.6
02/07/2021	0	0	0	42	2,800	577,600
05/07/2021	22	2,000	412,400	0	0	0
06/07/2021	9	1,000	206,000	108	6,500	1,354,350
07/07/2021	0	0	0	56	9,000	382,920
08/07/2021	191	29,328	1,239,648	0	0	0
09/07/2021	134	25,653	1,089,284.03	126	20,000	852,467.1
12/07/2021	0	0	0	159	46,714	2,010,059
13/07/2021	56	16,866	725,676.4	74	20,000	867,000
14/07/2021	44	11,518	500,756.2	56	17,500	767,000
15/07/2021	119	27,000	1,174,445	42	15,000	660,000
16/07/2021	15	5,000	217,000	52	15,000	654,000
19/07/2021	88	25,000	1,084,887.5	84	27,000	1,176,073.75
20/07/2021	116	37,500	1,623,750	133	17,997	781,185.2
21/07/2021	40	10,000	432,500	164	20,000	870,483.7
22/07/2021	0	0	0	130	50,000	2,193,500
23/07/2021	53	10,395	460,883.25	62	18,000	801,600
26/07/2021	75	15,000	665,700	47	12,000	535,485
27/07/2021	45	13,000	577,400	150	46,500	2,097,980
28/07/2021	65	10,000	452,730	61	15,000	689,633.5
29/07/2021	16	1,500	69,000	6	1,500	69,900
30/07/2021	7	2,130	97,117.5	41	8,130	376,293
02/08/2021	145	20,000	922,880	0	0	0
03/08/2021	139	22,000	1,033,080	195	28,000	1,326,975
04/08/2021	0	0	0	20	5,000	238,200
05/08/2021	0	0	0	24	10,000	481,100
06/08/2021	29	5,000	239,700	0	0	0
09/08/2021	143	20,000	960,080	0	0	0
10/08/2021	22	5,000	241,000	108	15,000	727,500
11/08/2021	126	20,000	962,600	0	0	0
12/08/2021	161	30,000	1,430,000	0	0	0
13/08/2021	96	18,000	863,520	0	0	0
16/08/2021	98	22,850	1,085,386	0	0	0
17/08/2021	7	600	28,578	197	25,000	1,196,590.525
18/08/2021	85	15,000	716,547.68	41	7,000	335,580
19/08/2021	236	30,000	1,412,150	109	29,201	1,393,123.315
20/08/2021	66	18,000	856,100	229	36,000	1,727,715.35
23/08/2021	0	0	0	175	20,000	968,300
24/08/2021	95	20,000	968,350	43	5,000	244,375
25/08/2021	33	8,970	434,551.65	71	17,000	827,345.47

PURCHASES				SALES
Date	Transactions quantity	Securities quantity	Capital in EUR	Transactions quantity	Securities quantity	Capital in EUR
26/08/2021	180	30,000	1,452,550	43	20,000	971,000
27/08/2021	18	8,000	386,480	278	25,000	1,214,440
30/08/2021	126	10,200	496,881.855	65	10,000	488,329.94
31/08/2021	347	44,935	2,179,136.35	37	9,227	450,842.51
01/09/2021	2	2,867	138,189.4	175	30,000	1,464,890.92
02/09/2021	90	20,000	981,000	68	10,000	492,250
03/09/2021	194	40,000	1,943,000	119	20,000	975,310.665
06/09/2021	0	0	0	170	20,000	981,050
07/09/2021	128	30,000	1,471,500	127	20,000	984,165
08/09/2021	210	40,000	1,944,400	0	0	0
04/10/2021	323	30,000	1,326,740.625	0	0	0
05/10/2021	2	4,849	213,259.02	459	40,400	1,786,410.145
06/10/2021	232	37,000	1,632,213	274	32,000	1,419,791.06
07/10/2021	327	38,000	1,682,083.31	368	58,000	2,594,613.865
08/10/2021	307	35,000	1,553,936.855	0	0	0
11/10/2021	193	30,000	1,299,325	141	20,000	871,300
12/10/2021	67	10,000	432,496.65	146	10,000	439,187.765
13/10/2021	0	0	0	464	50,000	2,234,192.985
14/10/2021	0	0	0	122	10,000	458,475
15/10/2021	108	20,000	914,000	152	31,000	1,425,249.07
18/10/2021	116	20,000	913,400	209	30,000	1,380,675.82
19/10/2021	55	10,000	462,550	79	15,000	697,825
20/10/2021	43	12,500	578,250	35	7,500	352,187.5
21/10/2021	162	20,000	929,400	283	29,611	1,385,257.185
22/10/2021	148	25,000	1,168,725	42	5,000	235,250
25/10/2021	124	20,000	931,925	105	25,000	1,169,285.91
26/10/2021	100	20,000	938,161.5	155	20,000	942,125
27/10/2021	244	25,000	1,175,612.755	101	10,000	472,250
28/10/2021	0	0	0	165	30,000	1,445,950
29/10/2021	80	20,000	993,550	187	10,000	502,100
01/11/2021	89	18,000	906,735.8	233	19,309	978,089.39
02/11/2021	0	0	0	271	35,000	1,796,250
03/11/2021	0	0	0	359	25,000	1,314,359.5
04/11/2021	0	0	0	242	45,000	2,416,500
03/12/2021	396	50,000	2,607,420	333	30,000	1,586,040
06/12/2021	287	40,000	2,071,950	202	40,000	2,091,300
07/12/2021	0	0	0	211	40,000	2,094,000
08/12/2021	115	20,000	1,069,500	0	0	0
09/12/2021	138	16,500	885,242.88	89	16,592	898,413.76
10/12/2021	85	17,500	927,350	0	0	0

Register # B 322 306 440), or its subsidiaries in the United States and/or other countries.