Assystem

Transaction in Own Shares • Jan 5, 2023

HALF-YEAR LIQUIDITY CONTRACT STATEMENT

Paris, January 5th, 2023

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, 2022:

• 9,778 shares
• € 713,671.93
• Number of executions on buy side on semester: 1,472
• Number of executions on sell side on semester: 1,786
• Traded volume on buy side on semester: 53,711 shares for € 2,014,097.44
• Traded volume on sell side on semester: 53,365 shares for € 2,009,037.52

As a reminder:

• the following resources appeared on the last half year statement on June 30th, 2022 on the liquidity account:

• 9,432 shares
• € 718,731.85
• Number of executions on buy side on semester: 346
• Number of executions on sell side on semester: 283
• Traded volume on buy side on semester: 12,317 shares for € 426,869.49
• Traded volume on sell side on semester: 9,359 shares for € 351,095.56
• 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 10 countries of operation, the skills of more than 6,500 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

Philippe Chevallier CFO & Deputy CEO Tél : +33 (0)1 41 25 28 07

				Sell Side
				Number of executions	Number of shares	Traded volume in EUR
				1,786	53,365	2,009,037.52
01/07/2022	14	292	9,589.28	10	120	3,972.00
04/07/2022	11	248	8,213.76	15	214	7,166.86
05/07/2022	8	60	1,998.00	28	844	28,198.04
06/07/2022	1	1	32.90	56	1,111	37,618.46
07/07/2022	11	403	13,843.05	27	709	24,701.56
08/07/2022	11	285	9,955.05	8	251	8,805.08
11/07/2022	14	383	13,412.66	15	222	7,783.32
12/07/2022	9	101	3,535.00	11	179	6,282.90
13/07/2022	5	101	3,535.00	4	101	3,550.15
14/07/2022	7	101	3,524.90	1	1	35.00
15/07/2022	-	-	-	6	52	1,820.00
18/07/2022	11	200	6,990.00	13	212	7,428.48
19/07/2022	14	303	10,668.63	27	449	15,917.05
20/07/2022	15	561	19,758.42	18	359	12,679.88
21/07/2022	12	140	4,958.80	21	726	25,969.02
22/07/2022	7	200	7,170.00	7	113	4,063.48
25/07/2022	4	71	2,558.84	14	252	9,117.36
26/07/2022	6	117	4,255.29	7	153	5,572.26
27/07/2022	2	9	329.49	15	426	15,646.98
28/07/2022	6	219	8,048.25	6	200	7,366.00
29/07/2022	9	156	5,748.60	3	53	1,956.23
01/08/2022	39	1,228	44,539.56	1	50	1,845.00
02/08/2022	15	696	24,659.28	-	-	-
03/08/2022	19	655	23,134.60	13	470	16,675.60
04/08/2022	8	72	2,577.60	8	185	6,634.10
05/08/2022	12	435	15,525.15	1	1	36.00
08/08/2022	16	549	19,434.60	4	100	3,550.00
09/08/2022	7	101	3,565.30	2	2	70.70
10/08/2022	5	209	7,396.51	12	299	10,599.55
11/08/2022	3	13	463.45	12	375	13,398.75
12/08/2022	1	22	789.80	21	722	25,963.12
15/08/2022	6	100	3,610.00	15	353	12,743.30
16/08/2022	-	-	-	6	54	1,949.94
17/08/2022	3	20	727.80	30	1,041	38,381.67
18/08/2022	10	430	16,043.30	55	1,106	41,408.64
19/08/2022	1	1	37.50	49	830	31,789.00
22/08/2022	27	1,245	47,882.70	-	-	-
23/08/2022	4	101	3,737.00	2	100	3,750.00
24/08/2022	-	-	-	4	200	7,540.00
25/08/2022	9	400	14,792.00	-	-	-
26/08/2022	9	205	7,470.20	4	100	3,665.00
29/08/2022	2	76	2,764.12	2	51	1,866.60
30/08/2022	-	-	-	6	118	4,341.22
31/08/2022	5	50	1,835.00	3	70	2,580.20
01/09/2022	11	729	26,367.93	6	62	2,283.46
02/09/2022	21	900	32,778.00	23	800	29,328.00
05/09/2022	2	100	3,610.00	36	1,250	47,175.00
06/09/2022	7	312	11,937.12	8	215	8,240.95
07/09/2022	15	289	11,039.80	13	241	9,244.76
08/09/2022	15	458	17,500.18	12	250	9,575.00
09/09/2022	13	408	15,634.56	7	235	9,014.60

				Sell Side
				Number of executions	Number of shares	Traded volume in EUR
				1,786	53,365	2,009,037.52
12/09/2022	8	389	14,945.38	21	660	25,449.60
13/09/2022	4	52	2,040.48	71	1,400	55,090.00
14/09/2022	22	1,498	58,901.36	26	1,031	40,858.53
15/09/2022	28	300	11,910.00	26	608	24,240.96
16/09/2022	41	1,814	71,090.66	-	-	-
19/09/2022	6	410	15,949.00	15	575	22,580.25
20/09/2022	12	572	22,891.44	26	791	31,829.84
21/09/2022	19	493	19,680.56	12	312	12,480.00
22/09/2022	17	513	20,345.58	11	375	14,921.25
23/09/2022	30	1,007	39,665.73	9	203	8,063.16
26/09/2022	38	1,316	51,271.36	-	-	-
27/09/2022	19	845	32,481.80	3	35	1,355.20
28/09/2022	28	1,301	49,333.92	1	1	38.50
29/09/2022	33	1,234	46,176.28	-	-	-
30/09/2022	30	1,936	70,431.68	-	-	-
03/10/2022	20	1,181	40,650.02	28	1,400	49,560.00
04/10/2022	5	102	3,614.88	8	450	16,213.50
05/10/2022	19	694	24,234.48	-	-	-
06/10/2022	2	58	2,017.82	12	500	17,625.00
07/10/2022	5	202	7,090.20	3	15	534.00
10/10/2022	18	692	24,123.12	1	2	70.40
11/10/2022	10	150	5,179.50	4	38	1,318.60
12/10/2022	15	200	6,920.00	5	163	5,672.40
13/10/2022	1	1	34.60	24	815	28,688.00
14/10/2022	4	309	11,071.47	23	849	30,470.61
17/10/2022	6	412	14,799.04	15	499	17,964.00
18/10/2022	95	1,042	37,272.34	16	563	20,228.59
19/10/2022	1	2	71.80	23	360	13,028.40
20/10/2022	23	1,065	39,309.15	53	1,637	60,814.55
21/10/2022	20	1,300	47,866.00	12	258	9,551.16
24/10/2022	12	461	16,997.07	12	276	10,187.16
25/10/2022	15	517	19,144.51	18	871	32,357.65
26/10/2022	12	522	19,157.40	4	43	1,584.55
27/10/2022	10	496	18,198.24	15	573	21,109.32
28/10/2022	5	133	4,918.34	4	185	6,854.25
31/10/2022	19	1,158	42,846.00	27	1,228	45,607.92
01/11/2022	8	413	15,380.12	19	731	27,310.16
02/11/2022	32	1,273	46,999.16	12	338	12,512.76
03/11/2022	9	256	9,451.52	13	931	34,447.00
04/11/2022	17	884	32,716.84	25	847	31,389.82
07/11/2022	3	280	10,379.60	28	1,107	41,246.82
08/11/2022	1	16	596.80	23	616	23,186.24
09/11/2022	4	100	3,780.00	19	481	18,249.14
10/11/2022	1	100	3,820.00	26	817	31,340.12
11/11/2022	4	158	6,120.92	35	786	30,559.68
14/11/2022	3	300	11,769.00	46	1,314	52,008.12
15/11/2022	24	1,005	39,516.60	5	187	7,358.45
16/11/2022	11	137	5,370.40	1	12	471.60
17/11/2022	31	1,502	57,977.20	2	3	117.90
18/11/2022	9	300	11,520.00	2	200	7,690.00
21/11/2022	7	401	15,446.52	7	301	11,618.60

22/11/2022	2	100	3,850.00
23/11/2022	-	-	-
24/11/2022	2	21	823.41
25/11/2022	4	107	4,225.43
28/11/2022	24	1,050	41,874.00
29/11/2022	7	240	9,513.60
30/11/2022	35	1,234	48,385.14
01/12/2022	16	800	30,920.00
02/12/2022	1	100	3,890.00
05/12/2022	-	-	-
06/12/2022	9	300	11,727.00
07/12/2022	5	300	11,709.00
08/12/2022	4	400	15,540.00
09/12/2022	3	116	4,507.76
12/12/2022	6	284	11,027.72
13/12/2022	1	100	3,910.00
14/12/2022	2	101	3,939.00
15/12/2022	6	300	11,730.00
16/12/2022	-	-	-
19/12/2022	1	100	3,950.00
20/12/2022	8	600	23,550.00
21/12/2022	-	-	-
22/12/2022	1	2	78.80
23/12/2022	8	460	18,179.20
27/12/2022	17	800	31,960.00
28/12/2022	19	739	29,212.67
29/12/2022	1	16	640.00
30/12/2022	12	184	7,499.84

Sell Side
Number of executions	Number of shares	Traded volume in EUR
1,786	53,365	2,009,037.52
-	-	-
13	700	27,237.00
15	574	22,707.44
10	301	11,994.85
20	810	32,472.90
6	155	6,158.15
1	100	3,950.00
9	195	7,556.25
23	682	26,584.36
14	279	10,939.59
6	119	4,667.18
6	165	6,459.75
7	246	9,598.92
10	633	24,674.34
13	317	12,404.21
10	195	7,673.25
11	558	21,985.20
6	201	7,909.35
9	304	11,947.20
23	588	23,355.36
3	117	4,651.92
18	483	19,078.50
18	795	31,712.55
4	177	7,150.80
25	775	31,248.00
13	1,023	40,623.33
34	1,359	55,053.09
1	100	4,090.00