Liquidity contract half-year report

On 30 June 2024 and according to Wavestone's agreement with Portzamparc – BNP PARIBAS Group, the following means were dedicated to implement the liquidity contract:

• 18,399 titres Wavestone shares;
• €662,641.33 in cash.

At the time of the half-yearly balance sheet at 31 December 2023, the following resources were include in the liquidity account:

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

Note that at the launch of the contract (on the date of entry into force of the contract, in accordance with AMF decision no 2018-01 of 2 July 2018 – position on 12/31/2018), the means were the following:

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

Trading summary for the first half of 2024:

	Shares	Trade capital	Transactions
Purchases	47,556	€2,748,432.24	568
Sales	44,107	€2,556,804.44	485

About Wavestone

Wavestone is a consulting powerhouse, dedicated to supporting strategic transformations of businesses and organizations in a world that is undergoing unprecedented change, with the ambition to create positive and long-lasting impacts for all its stakeholders.

Drawing on more than 5,500 employees in 17 countries across Europe, North America and Asia, the firm offers a 360° portfolio of high-value consulting services, combining seamlessly first-class sector expertise with a wide range of cross-industry capabilities.

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 Benjamin Clément 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* 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 1^st half of 2024

PURCHASES					SALES
Date	Number of transactions	Number of shares	Trade capital in euros		Date	Number of transactions	Number of shares	Trade capital in euros
TOTAL	568	47,556	2,748,432.24		TOTAL	485	44,107	2,556,804.44
01/02/2024	5	500	29,170		01/02/2024	1	50	2,985
01/03/2024	5	425	24,750		01/03/2024	1	100	5,840
01/04/2024	7	700	40,659.99		01/04/2024	3	269	15,764.1
01/05/2024	6	570	32,758.98		01/05/2024	3	300	17,330.01
01/08/2024	5	408	23,316.02		01/08/2024	7	700	40,420.03
01/09/2024	1	40	2,320		01/09/2024	3	300	17,520
01/10/2024	4	400	23,250		01/10/2024	6	600	35,110.02
01/12/2024	9	702	42,660.19		01/11/2024	6	600	35,730
01/15/2024	7	700	42,199.99		01/12/2024	4	400	24,570
01/16/2024	7	518	30,938.22		01/15/2024	2	200	12,140
01/17/2024	4	400	24,020		01/16/2024	6	501	30,209.9
01/18/2024	6	450	27,945		01/17/2024	12	1000	61,215
01/19/2024	12	830	50,815.01		01/18/2024	1	100	6,270
01/22/2024	2	200	11,980		01/22/2024	3	300	18,099.99
01/23/2024	5	500	30,040		01/23/2024	6	600	36,340.02
01/24/2024	4	308	18,784.8		01/24/2024	5	500	30,700
01/25/2024	2	146	8,886.8		01/25/2024	5	500	30,850
01/26/2024	2	140	8,714.01		01/26/2024	6	600	37,890
01/29/2024	11	1100	70,359.96		01/29/2024	6	509	33,454.99
01/30/2024	12	900	55,940.04		01/30/2024	1	100	6,270
01/31/2024	7	700	42,500.01		01/31/2024	4	400	24,490
02/01/2024	1	100	6,120		02/01/2024	4	400	24,740
02/02/2024	7	662	40,354.79		02/02/2024	2	200	12,320
02/05/2024	5	500	30,000		02/05/2024	1	100	6,080
02/07/2024	7	700	41,300		02/06/2024	3	300	17,940
02/08/2024	2	200	11,820		02/07/2024	4	400	23,780
02/09/2024	6	600	35,190		02/08/2024	8	722	42,885.57
02/12/2024	3	201	11,647.81		02/12/2024	4	400	23,270
02/13/2024	4	400	22,910		02/14/2024	9	900	52,209.99
02/14/2024	3	229	13,093.01		02/15/2024	3	300	17,790
02/15/2024	3	259	15,159.71		02/16/2024	4	400	23,710
02/19/2024	12	1000	57,970		02/20/2024	5	410	22,839.99
02/20/2024	10	600	32,980.02		02/21/2024	3	307	16,591.51
02/21/2024	6	600	32,280		02/22/2024	12	1150	62,874.99
02/23/2024	4	400	21,880		02/23/2024	1	100	5,490
02/26/2024	2	200	10,940		02/26/2024	3	300	16,449.99
02/27/2024	2	200	10,860		02/27/2024	5	500	27,660
02/28/2024	2	200	11,170		02/28/2024	5	500	28,200
02/29/2024	4	301	16,856.6		02/29/2024	3	201	11,356.6
03/01/2024	6	600	33,559.98		03/01/2024	5	500	28,200
03/04/2024	4	315	17,697.49		03/04/2024	6	600	33,970.02
03/05/2024	8	701	39,656.27		03/05/2024	3	300	17,130
03/06/2024	1	42	2,364.6		03/06/2024	8	703	40,223.97
03/07/2024	3	202	11,756		03/07/2024	4	400	23,430
03/08/2024	6	501	28,957.6		03/08/2024	4	378	22,005.19
03/11/2024	13	1100	62,099.95		03/11/2024	2	200	11,380
03/12/2024	1	100	5,600		03/12/2024	6	600	33,940.02
03/13/2024	3	300	17,010		03/13/2024	8	800	45,880
03/14/2024	6	600	34,440		03/14/2024	1	21	1,224.3
03/15/2024	10	906	51,267.19		03/15/2024	4	400	22,890
03/19/2024	2	200	11,380		03/18/2024	9	850	48,485.02
03/20/2024	1	100	5,690		03/19/2024	3	299	17,103.01
03/21/2024	4	550	31,800.01		03/20/2024	3	300	17,199.99
03/22/2024	11	1050	59,924.97		03/21/2024	4	370	21,522.01
03/25/2024	3	300	16,950		03/22/2024	1	46	2,635.8
03/26/2024	8	650	36,280.01		03/25/2024	2	121	6,913.3
03/27/2024	6	600	32,989.98		03/26/2024	2	200	11,250
03/28/2024	3	300	16,200		03/27/2024	1	100	5,580
04/02/2024	7	610	34,061		03/28/2024	10	1000	5,5090
04/03/2024	4	400	21,990		04/02/2024	4	400	2,2670
04/04/2024	3	300	16,530		04/03/2024	4	204	11,282.2
04/05/2024	5	500	27,430	04/04/2024	5	500	2,7730
04/08/2024	1	41	2,238.6	04/05/2024	1	46	2,530
04/09/2024	4	310	17,430	04/08/2024	7	700	38,800.02
04/10/2024	7	700	38,710	04/09/2024	5	500	28,250
04/11/2024	4	210	11,388.01	04/10/2024	3	203	11,429.79
04/12/2024	4	320	17,272	04/11/2024	3	300	16,340.01
04/15/2024	3	180	9,594	04/12/2024	3	270	14,748.99
04/16/2024	5	280	14,743.99	04/15/2024	4	400	21,540
04/17/2024	2	104	5,503.2	04/16/2024	1	22	1,166
04/18/2024	5	370	19,426	04/17/2024	2	200	10,660
04/19/2024	3	240	12,480	04/18/2024	4	302	15,906.4
04/23/2024	6	360	19,152	04/19/2024	3	300	15,780
04/25/2024	5	400	21,608	04/22/2024	5	500	26,600
04/26/2024	1	3	162.9	04/23/2024	3	260	13,932
04/29/2024	5	411	22,445.08	04/24/2024	6	480	26,064
04/30/2024	21	2090	110,541.98	04/25/2024	1	36	1,976.4
05/02/2024	2	200	11,330	04/26/2024	5	370	20,144.98
05/03/2024	2	200	11,360	04/29/2024	3	300	16,530
05/06/2024	2	140	8,105.2	04/30/2024	12	1200	64,370.04
05/07/2024	5	380	21,882	05/02/2024	10	1000	5,5960
05/08/2024	2	200	11,660	05/03/2024	6	600	34,380
05/10/2024	3	240	13,992	05/06/2024	5	432	25,115.18
05/13/2024	4	287	16,742	05/07/2024	5	500	29,020
05/14/2024	1	80	4,680	05/08/2024	4	302	17,726.8
05/15/2024	4	285	17,008.49	05/09/2024	3	300	17,570.01
05/17/2024	4	400	24,120	05/10/2024	5	357	20,951.29
05/20/2024	5	416	25,299.21	05/14/2024	6	560	32,986.02
05/21/2024	3	229	13,877.4	05/15/2024	1	100	6,020
05/22/2024	3	125	7,597	05/16/2024	6	440	26,647.98
05/23/2024	1	100	6,070	05/17/2024	4	370	22,487.01
05/24/2024	5	460	27,705.98	05/20/2024	2	121	7,433.6
05/27/2024	4	400	23,920	05/21/2024	2	160	9,744
05/28/2024	5	440	26,748	05/22/2024	1	80	4,880
05/29/2024	3	260	15,756	05/23/2024	2	120	7,320
05/30/2024	4	290	17,433	05/27/2024	5	350	21,325.99
05/31/2024	4	320	19,256	05/28/2024	3	300	18,429.99
06/03/2024	1	80	4,784	05/29/2024	1	80	4,880
06/04/2024	4	500	31,200	05/30/2024	1	80	4,840
06/05/2024	7	500	30,812	05/31/2024	3	244	14,779.59
06/06/2024	2	160	10,160	06/03/2024	4	250	15,020
06/10/2024	13	850	55,425.02	06/04/2024	9	600	37,884
06/11/2024	7	460	29,373.99	06/05/2024	9	719	44,916.43
06/12/2024	4	280	17,367	06/06/2024	4	320	20,536
06/13/2024	8	550	34,243.99	06/07/2024	7	560	36,792
06/14/2024	7	400	23,862	06/10/2024	2	102	6,732.4
06/17/2024	8	470	27,325.99	06/12/2024	6	600	37,720.02
06/18/2024	1	100	5,620	06/17/2024	4	400	23,670
06/19/2024	9	590	32,812.02	06/18/2024	5	480	27,039.98
06/20/2024	3	210	11,493.99	06/19/2024	1	100	5,640
06/21/2024	8	580	31,335.02	06/20/2024	3	300	16,530
06/24/2024	1	60	3,186	06/21/2024	1	100	5,470
06/25/2024	4	320	16,888	06/24/2024	4	250	13,350
06/26/2024	5	300	15,735.99	06/25/2024	1	100	5,300
06/27/2024	4	320	16,800	06/26/2024	4	320	16,920
06/28/2024	6	439	22,593.18	06/27/2024	5	410	21,704.99
				06/28/2024	1	100	5,190

*Number of transactions and volume (number of shares and traded capital)