Liquidity contract yearly report

On 31 December 2023 and according to Wavestone's agreement with Portzamparc – BNP PARIBAS Group, the following means were dedicated to implement the liquidity contract:

• 14,950 Wavestone shares
• € 854,269.13 in cash

Note that at the launch of the contract (on the launch date of the contract, in accordance with AMF decision n°2018-01 of July 2, 2018 – position on December 31, 2018) the means were the following:

• 36,611 Wavestone shares
• € 88,633.74 in cash

During the second half of 2023, it has been negotiated a total of:

PURCHASES	46,327 shares	€ 2,330,330.49	533 transactions
SALES	49,077 shares	€ 2,486,743.83	555 transactions

About Wavestone

Wavestone, a leading independent consultancy headquartered in France, and Q_PERIOR, a consulting leader in the Germany-Switzerland-Austria region, joined forces in 2023 to become the most trusted partner for critical transformations.

Drawing on more than 5,500 employees across Europe, North America and Asia, the firm combines seamlessly first-class sector expertise with a 360° transformation portfolio of high-value consulting services.

Wavestone is listed on Euronext Paris and recognized as a Great Place to Work^®.

Wavestone Pascal Imbert CEO Tel.: +33 (0)1 49 03 20 00 Justine Brosset Financial Communication Tel.: +33 (0)1 49 03 20 00

Actus Mathieu Omnes Investor and Analyst Relations Tel.: +33 (0)1 53 67 36 92 Deborah Schwartz Press relations Tel.: +33 (0)1 53 67 36 35

Details^[1] of the transactions executed: purchases on the one hand and sales on the other hand; in an aggregated table for each trading day of the 2^nd half of 2023

PURCHASES					SALES
Date	Number of transactions	Number of shares	Traded capital (in euros)		Date	Number of transactions	Number of shares	Traded capital (in euros)
TOTAL	533	46,327	2,330,330.49		TOTAL	555	49,077	2,486,743.83
07/03/2023	4	400	20,060		07/03/2023	9	900	45,590.04
07/04/2023	1	100	5,140		07/04/2023	6	600	30,940.02
07/05/2023	11	850	43,739.98		07/05/2023	7	621	32,121.97
07/06/2023	8	800	40,620		07/06/2023	4	354	18,155.6
07/07/2023	1	100	5,010		07/07/2023	4	400	20,150
07/10/2023	6	501	25,200.7		07/10/2023	3	19	962.2
07/11/2023	3	201	10,060.09		07/11/2023	2	101	5,080.1
07/12/2023	11	1,001	49,600.15		07/12/2023	11	965	48,183.03
07/13/2023	5	401	20,070.21		07/13/2023	4	301	15,140.21
07/14/2023	5	331	16,610.31		07/14/2023	1	1	50.3
07/17/2023	4	301	14,855.01		07/17/2023	4	301	14,945.01
07/18/2023	1	1	49.2		07/18/2023	5	401	19,849.22
07/19/2023	3	212	10,396.8		07/19/2023	5	500	24,750
07/20/2023	11	927	45,674.96		07/24/2023	3	201	9,698.45
07/21/2023	7	624	30,224.38		07/25/2023	6	501	24,198.1
07/24/2023	10	901	43,413.42		07/26/2023	19	1,707	86,994.52
07/25/2023	3	137	6,592.49		07/27/2023	18	1,701	88,250.94
07/26/2023	19	1,707	85,571.06		07/28/2023	8	701	37,453.17
07/27/2023	1	1	51		07/31/2023	5	500	27,040
07/28/2023	6	428	22,656.09		08/01/2023	4	301	16,494.8
07/31/2023	4	500	26,940		08/02/2023	10	1,000	54,340
08/01/2023	3	202	10,927.8		08/03/2023	9	900	48,629.97
08/02/2023	7	700	37,760.03		08/04/2023	1	1	54
08/03/2023	6	600	32,110.02		08/07/2023	5	500	26,630
08/04/2023	6	600	32,059.98		08/08/2023	1	1	53.6
08/07/2023	4	290	15,327.4		08/09/2023	8	750	40,089.98
08/08/2023	5	500	26,530		08/10/2023	4	400	21,850
08/09/2023	1	37	1,953.6		08/11/2023	1	100	5,440
08/10/2023	6	600	32,602.32		08/14/2023	5	500	27,180
08/11/2023	6	508	27,468.78		08/15/2023	4	400	21,860
08/14/2023	1	65	3,510		08/16/2023	2	114	6,225.8
08/15/2023	4	336	18,267.61		08/17/2023	1	100	5,460
08/16/2023	4	400	21,740		08/18/2023	5	500	26,870
08/17/2023	6	600	32,419.98		08/22/2023	7	700	37,250.01
08/18/2023	2	200	10,670		08/23/2023	3	270	14,630
08/21/2023	7	647	34,552.78		08/24/2023	4	301	16,334.19
08/23/2023	6	458	24,662.2		08/25/2023	4	400	21,230
08/24/2023	10	826	44,414.19		08/28/2023	4	400	21,190
08/25/2023	3	242	12,787.59		08/29/2023	2	200	10,680
08/28/2023	1	100	5,260		08/30/2023	3	201	10,793.4
08/29/2023	4	220	11,682		08/31/2023	5	401	21,664.59
08/30/2023	2	15	802.3		09/01/2023	1	20	1,094
08/31/2023	1	36	1,940.4		09/05/2023	7	626	33,446.62
09/01/2023	4	364	19,782.42		09/06/2023	3	300	16,179.99
09/04/2023	6	600	32,260.02		09/07/2023	1	100	5,370
09/05/2023	2	200	10,610		09/08/2023	4	206	10,878.51
09/06/2023	5	500	26,900		09/11/2023	1	100	5,330
09/07/2023	7	601	31,932.51		09/12/2023	2	137	7,155.1
09/08/2023	1	1	52.5		09/13/2023	4	384	20,021.61
09/11/2023	7	647	34,023.98		09/14/2023	2	4	208.4
09/12/2023	2	148	7,686.39		09/15/2023	2	200	10,380
09/13/2023	3	203	10,494.21		09/19/2023	6	570	28,750
09/14/2023	8	471	24,161.12		09/20/2023	5	401	20,320.51
09/15/2023	7	700	35,910		09/21/2023	1	12	610.8
09/18/2023	4	400	20,000		09/22/2023	3	201	10,049.7
09/19/2023	3	170	8,495		09/25/2023	1	9	448.2
09/20/2023	2	101	5,060.5		09/26/2023	4	403	19,515.8
09/21/2023	6	600	30,139.98		09/27/2023	5	416	20,320.39
09/22/2023	2	101	4,999.7		09/28/2023	5	421	20,809.31
09/25/2023	4	400	19,750		09/29/2023	5	414	20,676.98
09/26/2023	3	300	14,460		10/02/2023	4	400	19,980
09/27/2023	1	80	3,864		10/03/2023	1	100	4,980
09/28/2023	5	321	15,746.3		10/04/2023	2	200	9,790
09/29/2023	1	100	4,950		10/05/2023	2	200	9,740
10/02/2023	1	70	3,472		10/06/2023	5	386	18,615
10/03/2023	4	400	19,740		10/09/2023	3	201	9,667.66
10/04/2023	3	300	14,630.01		10/10/2023	15	1,356	64,909.41
10/05/2023	7	700	33,740		10/11/2023	2	101	4,873.1
10/06/2023	8	701	33,217.73		10/12/2023	1	1	47.8
10/09/2023	16	1,501	71,002.7		10/13/2023	3	201	9,215.99
10/10/2023	1	1	46.95		10/17/2023	2	2	89.55
10/11/2023	6	426	20,464.36		10/18/2023	1	100	4,445
10/12/2023	9	751	35,142.82		10/19/2023	5	425	18,664.98
10/13/2023	2	200	9,100		10/23/2023	6	532	22,908.82
10/16/2023	2	200	8,960		10/24/2023	1	100	4,310
10/17/2023	5	401	17,814.95		10/26/2023	3	300	12,609.99
10/18/2023	6	460	20,258.49		10/27/2023	1	5	212.75
10/19/2023	2	200	8,725		10/30/2023	2	200	8,340
10/20/2023	6	501	21,782.88		10/31/2023	8	800	34,320
10/23/2023	5	350	14,962.5		11/01/2023	5	417	17,605.78
10/24/2023	2	200	8,540		11/02/2023	15	1,450	62,305.05
10/25/2023	5	390	16,456.01		11/03/2023	5	500	22,025
10/26/2023	1	70	2,894.5		11/06/2023	4	400	17,760
10/27/2023	5	344	14,406.79		11/08/2023	4	317	13,859.72
10/30/2023	4	370	15,218.99		11/09/2023	8	800	35,825.04
11/01/2023	4	400	16,830		11/10/2023	3	350	16,128.25
11/06/2023	3	207	9,126.61		11/13/2023	2	200	9,320
11/07/2023	2	200	8,700		11/14/2023	6	600	28,069.98
11/08/2023	1	100	4,330		11/15/2023	6	600	28,530
11/10/2023	3	300	13,740		11/16/2023	3	203	9,742.5
11/13/2023	5	470	21,679.5		11/17/2023	4	400	19,130
11/14/2023	1	100	4,570		11/20/2023	2	61	2,922
11/15/2023	3	300	14,109.99		11/21/2023	1	100	4,750
11/16/2023	3	212	10,001.61		11/22/2023	2	128	6,021.61
11/17/2023	1	100	4,770		11/23/2023	2	144	6,762.4
11/20/2023	5	401	19,017.34		11/24/2023	3	251	11,756.69
11/21/2023	4	400	18,825		11/27/2023	4	375	17,554.99
11/22/2023	1	22	1,027.4		11/28/2023	8	768	35,920.97
11/23/2023	3	300	14,060.01		11/29/2023	4	400	18,940
11/24/2023	3	151	7,049.19		11/30/2023	5	401	19,112.7
11/27/2023	2	200	9,310		12/01/2023	4	361	17,157.79
11/28/2023	4	400	18,550		12/04/2023	1	100	4,750
11/29/2023	2	180	8,426		12/05/2023	7	800	38,120
11/30/2023	5	500	23,290		12/06/2023	4	400	19,760
12/01/2023	4	330	15,628.01		12/07/2023	4	395	19,758.02
12/04/2023	9	900	41,889.96		12/08/2023	2	200	9,898.2
12/07/2023	5	500	24,780		12/11/2023	3	201	10,010
12/08/2023	2	200	9,800		12/12/2023	2	200	9,860
12/11/2023	4	400	19,720		12/13/2023	11	850	42,949.99
12/12/2023	2	200	9,820		12/14/2023	9	850	45,655.03
12/13/2023	1	100	4,970		12/15/2023	9	838	46,645.59
12/14/2023	3	205	10,853.5		12/18/2023	8	800	45,240
12/15/2023	5	471	25,930.81		12/19/2023	8	635	36,844.48
12/18/2023	2	200	11,140		12/21/2023	7	700	39,599.98
12/19/2023	6	900	51,900.03		12/22/2023	9	900	51,611.49
12/20/2023	10	850	48,299.98		12/27/2023	9	801	46,817.97
12/21/2023	3	300	16,860		12/28/2023	14	1,301	76,488.52
12/22/2023	3	300	17,060.01		12/29/2023	3	131	7,744.9
12/27/2023	5	376	21,778
12/28/2023	5	401	23,398.51
12/29/2023	7	601	35,248.89

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[1] Number of transactions and volume (number of shares and traded capital)