Assystem

Capital/Financing Update • Jan 9, 2024

HALF-YEAR LIQUIDITY CONTRACT STATEMENT

Paris, January 9th, 2024

Under the liquidity contract entered into between ASSYSTEM S.A. (ISIN: FR0000074148 - ASY) and Kepler Chevreux, the following resources appeared on the liquidity account on December 31st, 2023:

• 971 shares
• € 1,150,112.78
• Number of executions on buy side on semester: 2,733
• Number of executions on sell side on semester: 2,869
• Traded volume on buy side on semester: 79,149 shares for € 3,404,816.97
• Traded volume on sell side on semester: 80,480 shares for € 3,486,189.62

As a reminder:

• the following resources appeared on the last half year statement on June 30th, 2023 on the liquidity account:

• 2,302 shares
• € 1,055,363.37
• Number of executions on buy side on semester: 2,354
• Number of executions on sell side on semester: 2,762
• Traded volume on buy side on semester: 70,812 shares for € 3,094,609.21
• Traded volume on sell side on semester: 78,288 shares for € 3,436,300.65
• the following resources appeared on the liquidity account when the activity started:
• 22,970 shares
• € 923,444.41

The liquidity agreement complies with AMF Decision n° 2021-01 dated on June 22nd , 2021, introducing liquidity agreements on equity securities as permitted market practice.

ABOUT ASSYSTEM

As one of the world's leading independent nuclear engineering companies, Assystem's main mission is to help accelerate energy transition. In the Group's 12 countries of operation, the skills of 7,000 Assystem experts are being put to the service of developing the production and use of carbon-free electricity (nuclear and renewables) as well as green hydrogen.

With over 50 years' experience in highly regulated sectors subject to stringent safety and security constraints, the Group provides engineering and digital services and solutions to optimise the cost and performance of its clients' complex infrastructure assets throughout their life cycles.

To find out more visit www.assystem.com / Follow Assystem on Twitter: @Assystem

CONTACT

Malène Korvin CFO Tél : +33 (0)1 41 25 29 00

	Buy side			Sell side
	Number of executions	Number of shares	Trade volume in EUR	Number of executions	Number of shares	Trade volume in EUR
Total	2 733	79 149	3 404 816,97	2 869	80 480	3 486 189,62
03/07/2023	-	-	-	33	683	32 865,96
04/07/2023	-	-	-	39	1 217	59 608,66
05/07/2023	40	1 100	52 437,00	-	-	-
06/07/2023	30	1 150	53 475,00	7	221	10 311,86
07/07/2023	1	20	918,00	2	50	2 325,00
10/07/2023	1	30	1 380,00	-	-	-
11/07/2023	16	450	20 718,00	4	51	2 371,50
12/07/2023	11	450	20 583,00	9	200	9 186,00
13/07/2023	-	-	-	24	649	30 113,60
14/07/2023	3	100	4 645,00	8	150	6 979,50
17/07/2023	26	878	40 396,78	-	-	-
18/07/2023 19/07/2023	6 23	79 706	3 618,99 32 525,42	43 42	923 605	42 661,06 27 987,30
20/07/2023	24	594	27 335,88	27	645	29 747,40
21/07/2023	10	201	9 239,97	13	184	8 508,16
24/07/2023	24	625	28 625,00	1	50	2 295,00
25/07/2023	23	718	32 654,64	11	251	11 450,62
26/07/2023	31	713	32 691,05	34	939	43 165,83
27/07/2023	11	200	9 210,00	22	611	28 185,43
28/07/2023	8	350	16 079,00	8	233	10 720,33
31/07/2023	28	794	36 246,10	11	266	12 172,16
01/08/2023	21	512	23 162,88	21	435	19 909,95
02/08/2023	22	579	26 396,61	13	301	13 746,67
03/08/2023 04/08/2023	40 28	703 544	31 733,42 24 349,44	1 10	1 119	45,60 5 333,58
07/08/2023	9	502	22 479,56	30	536	24 034,24
08/08/2023	12	367	16 511,33	32	959	43 308,44
09/08/2023	14	340	15 330,60	8	62	2 803,64
10/08/2023	16	600	26 874,00	27	718	32 281,28
11/08/2023	43	1 220	54 485,20	1	100	4 470,00
14/08/2023	27	466	20 723,02	33	1 060	47 254,80
15/08/2023	16	393	17 512,08	23	455	20 306,65
16/08/2023	30	641	28 441,17	24	594	26 415,18
17/08/2023	4	158	7 163,72	53	1 615	73 724,75
18/08/2023 21/08/2023	50 44	1 012 1 080	46 147,20 48 924,00	16 6	577 239	26 380,44 10 864,94
22/08/2023	30	668	30 300,48	24	785	35 654,70
23/08/2023	39	870	39 550,20	23	700	31 948,00
24/08/2023	39	912	40 921,44	5	74	3 342,58
25/08/2023	23	700	31 283,00	34	821	36 789,01
28/08/2023	22	665	29 639,05	29	956	42 761,88
29/08/2023	26	1 185	52 945,80	32	1 273	57 068,59
30/08/2023	18	801	35 452,26	23	700	31 073,00
31/08/2023	2	34	1 502,80	34	1 798	80 478,48
01/09/2023 04/09/2023	29 24	1 238 731	55 128,14 32 573,36	12 10	325 272	14 556,75 12 169,28
05/09/2023	19	886	39 205,50	22	704	31 229,44
06/09/2023	27	800	34 912,00	-	-	-
07/09/2023	30	958	41 596,36	44	1 341	58 655,34
08/09/2023	9	372	16 081,56	33	1 634	71 667,24
11/09/2023	24	450	19 912,50	15	407	18 078,94
12/09/2023	19	523	22 917,86	24	650	28 541,50
13/09/2023	44	1 047	45 471,21	7	191	8 337,15
14/09/2023	40	1 524	64 068,96	37	1 411	60 630,67
15/09/2023	51	1 751	74 855,25	2	21	913,50
18/09/2023	51	2 126	87 633,72	3	150	6 210,00
19/09/2023 20/09/2023	22 22	850 765	35 224,00 31 755,15	34 39	1 056 979	43 950,72 40 814,51
21/09/2023	29	779	32 702,42	25	635	26 746,20
22/09/2023	47	963	40 185,99	28	850	35 623,50
25/09/2023	60	1 478	60 686,68	4	101	4 226,85
26/09/2023	39	1 137	45 968,91	9	321	12 994,08
27/09/2023	19	730	29 382,50	7	180	7 284,60
28/09/2023	17	408	16 279,20	16	266	10 663,94
29/09/2023	11	300	11 964,00	30	733	29 407,96
02/10/2023	20	450	17 766,00	8	200	7 980,00
03/10/2023 04/10/2023	24 18	950 700	36 470,50 26 446,00	7 22	136 762	5 294,48 28 971,24
05/10/2023	12	450	17 023,50	11	239	9 175,21
06/10/2023	9	350	13 128,50	17	340	12 848,60
09/10/2023	18	303	11 417,04	17	265	10 014,35
10/10/2023	22	647	24 372,49	15	334	12 615,18
11/10/2023	5	150	5 650,50	11	361	13 631,36
12/10/2023	3	75	2 885,25	49	1 113	42 995,19

13/10/2023	47	1 525	58 438,00	32	1 062	40 908,24
16/10/2023	5	165	6 273,30	37	1 289	49 884,30
17/10/2023	64	2 025	77 213,25	-	-	-
18/10/2023	30	853	32 277,52	22	800	30 408,00
19/10/2023	5	197	7 407,20	12	144	5 418,72
20/10/2023	17	548	20 560,96	26	734	27 767,22
23/10/2023	28	677	25 522,90	9	350	13 240,50
24/10/2023	11	232	8 732,48	27	602	22 713,46
25/10/2023	24	494	18 520,06	30	490	18 404,40
26/10/2023	26	750	28 117,50	32	776	29 115,52
27/10/2023	-	-	-	77	2 569	99 343,23
30/10/2023	45	1 951	74 411,14	19	419	16 345,19
31/10/2023	12	350	13 289,50	22	476	18 111,80
01/11/2023	4	100	3 785,00	20	300	11 370,00
02/11/2023	-	-	-	52	1 505	58 363,90
03/11/2023	12	320	12 553,60	36	815	32 127,30
06/11/2023	23	1 000	39 640,00	46	1 226	49 076,78
07/11/2023	26	900	35 667,00	40	1 240	49 364,40
08/11/2023	14	400	16 040,00	30	778	31 423,42
09/11/2023	19	550	22 093,50	29	791	31 932,67
10/11/2023	39	1 150	46 000,00	35	899	36 022,93
13/11/2023	5	163	6 604,76	36	701	28 502,66
14/11/2023	7	109	4 452,65	38	1 150	47 311,00
15/11/2023	12	250	10 365,00	30	784	32 598,72
16/11/2023	24	771	31 703,52	14	500	20 640,00
17/11/2023	1	25	1 027,50	28	815	33 985,50
20/11/2023	2	34	1 438,20	13	400	16 944,00
21/11/2023	1	1	42,50	18	501	21 492,90
22/11/2023	27	916	38 930,00	14	456	19 507,68
23/11/2023	10	312	13 387,92	19	345	14 848,80
24/11/2023	9	197	8 472,97	18	549	23 760,72
27/11/2023	8	239	10 420,40	18	493	21 573,68
28/11/2023	35	951	40 731,33	7	101	4 328,86
29/11/2023	17	312	13 316,16	7	200	8 590,00
30/11/2023	12	313	13 321,28	6	105	4 504,50
01/12/2023	6	103	4 413,55	10	260	11 154,00
04/12/2023	6	61	2 671,80	48	1 441	63 721,02
05/12/2023	39	1 200	52 800,00	7	200	8 820,00
06/12/2023	2	26	1 148,42	55	1 650	75 025,50
07/12/2023	17	550	24 948,00	16	451	20 565,60
08/12/2023	37	850	38 071,50	2	8	365,60
11/12/2023	31	924	41 543,04	49	1 550	69 982,50
12/12/2023	40	1 110	48 895,50	3	54	2 434,32
13/12/2023	8	190	8 312,50	54	1 637	74 008,77
14/12/2023	15	420	19 588,80	53	1 603	75 164,67
15/12/2023	33	950	44 488,50	28	995	46 715,25
18/12/2023	44	1 110	51 903,60	49	1 402	65 809,88
19/12/2023	15	450	20 907,00	46	1 500	71 040,00
20/12/2023	45	1 440	69 724,80	64	1 887	91 840,29
21/12/2023	43	974	47 277,96	34	898	43 786,48
22/12/2023	20	530	25 864,00	20	699	34 404,78
27/12/2023	17	442	21 954,14	7	203	10 139,85
28/12/2023	26	604	29 855,72	18	671	33 341,99
29/12/2023	13	434	21 417,90	9	223	11 058,57