Liquidity contract half-year report

On 30 June 2022 and according to Wavestone's agreement with Portzamparc, the following means were dedicated to implement the liquidity contract:

• 19,028 Wavestone shares;
• € 606,703.31 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 31/12/2018), the means were the following:

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

Trading summary for the first half of 2022:

Purchases	78,187 shares	€ 3,712,912.44	889 transactions
Sales	75,924 shares	€ 3,613,108.80	840 transactions

About Wavestone

In a world where knowing how to drive transformation is the key to success, Wavestone's mission is to inform and guide large companies and organizations in their most critical transformations, with the ambition of a positive outcome for all stakeholders. It's an ambition anchored in the firm's DNA and embodied in the signature “The Positive Way.”

Wavestone draws on about 4,000 employees across Europe – where it is a leading independent player in consulting, the United States and Asia.

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[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 1^st half of 2022

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	889	78,187	3,712,912.44		TOTAL	840	75,924	3,613,108.80
01/03/2022	10	943	50,204.57		01/03/2022	1	100	5,400
01/05/2022	5	500	26,660		01/04/2022	9	900	47,880
01/06/2022	12	900	47,130.03		01/05/2022	4	362	19,500.4
01/07/2022	3	300	15,260.01		01/07/2022	5	500	25,820
01/10/2022	15	1,250	63,540		01/10/2022	2	200	10,380
01/12/2022	5	461	23,526.58		01/11/2022	7	619	31,180.39
01/13/2022	7	700	36,280.02		01/12/2022	7	620	32,047.99
01/14/2022	7	650	33,300.02		01/13/2022	6	455	23,817.61
01/17/2022	1	100	5,020		01/14/2022	1	32	1,644.8
01/18/2022	12	1,100	56,749.99		01/17/2022	10	929	47,779.58
01/19/2022	7	674	33,366.17		01/18/2022	4	400	21,200
01/20/2022	2	200	9,950		01/19/2022	2	200	10,140
01/21/2022	8	700	35,669.97		01/20/2022	15	1,500	75,550.05
01/24/2022	15	1,300	63,169.99		01/25/2022	12	1,200	57,639.96
01/25/2022	7	693	32,448.2		01/26/2022	10	1,000	49,210
01/27/2022	11	1,100	53,800.01		01/27/2022	1	1	49
01/28/2022	8	800	38,540		01/28/2022	9	859	41,805.64
01/31/2022	12	1,200	58,479.96		01/31/2022	4	400	19,720
02/01/2022	1	100	4,940		02/01/2022	10	1,000	49,520
02/02/2022	3	300	14,970		02/02/2022	5	500	25,110
02/03/2022	7	700	34,590.01		02/03/2022	9	900	44,929.98
02/04/2022	5	500	24,590		02/04/2022	6	408	20,279.8
02/07/2022	14	1,200	57,699.96		02/08/2022	6	600	28,720.02
02/08/2022	3	300	14,250		02/09/2022	12	1,101	54,178.12
02/09/2022	2	2	96.2		02/10/2022	5	471	23,418.69
02/10/2022	6	538	26,589.57		02/11/2022	4	400	19,860
02/11/2022	1	100	4,940		02/15/2022	5	500	24,300
02/14/2022	7	700	33,939.99		02/16/2022	7	452	22,304.48
02/15/2022	1	30	1,440		02/17/2022	13	1,153	55,780.99
02/16/2022	10	901	43,618.94		02/18/2022	1	100	4,880
02/17/2022	2	101	4,787.4		02/21/2022	1	100	4,670
02/18/2022	15	1,500	71,650.05		02/22/2022	21	2,100	92,239.98
02/21/2022	9	750	34,392.98		02/23/2022	8	800	35,980
02/22/2022	9	800	33,890		02/24/2022	1	15	636
02/23/2022	9	650	28,990		02/25/2022	16	800	34,520
02/24/2022	6	600	25,189.98		02/28/2022	2	102	4,437.4
02/25/2022	1	100	4,150		03/01/2022	6	600	26,419.98
02/28/2022	11	900	39,009.96		03/02/2022	9	801	35,523.87
03/01/2022	8	800	34,760		03/03/2022	3	299	13,375.29
03/02/2022	9	701	30,513.9		03/04/2022	6	600	25,219.98
03/03/2022	11	901	39,622.2		03/07/2022	20	1,756	74,332.88
03/04/2022	14	1,200	49,620		03/08/2022	11	1,100	48,400
03/07/2022	6	600	23,940		03/09/2022	14	1,132	50,428.45
03/08/2022	9	900	39,130.02		03/10/2022	11	900	41,229.99
03/10/2022	3	300	13,590		03/11/2022	7	700	33,219.97
03/11/2022	10	903	41,997.36		03/14/2022	7	700	32,500.02
03/14/2022	7	700	31,889.97		03/16/2022	11	1,100	48,579.96
03/15/2022	19	1,350	58,730		03/17/2022	6	510	23,060.98
03/17/2022	13	1,131	50,006.15		03/18/2022	10	996	43,126
03/18/2022	14	1,400	59,430		03/21/2022	12	1,056	46,521.24
03/21/2022	4	400	17,300		03/22/2022	9	900	40,449.96
03/22/2022	8	738	32,768.23		03/23/2022	10	901	41,135.34
03/23/2022	11	1,001	45,185.34		03/25/2022	8	701	31,995.18
03/24/2022	12	1,000	45,200		03/28/2022	9	831	37,572.92
03/25/2022	9	801	36,165.23		03/29/2022	8	800	36,250
03/28/2022	6	501	22,234.28		03/30/2022	4	400	18,590
03/29/2022	3	201	8,994.61		03/31/2022	7	700	31,990
03/30/2022	9	900	41,249.97		04/04/2022	8	800	36,460
04/01/2022	9	820	37,325.99		04/05/2022	3	300	13,940.01
04/05/2022	12	1,100	50,180.02		04/06/2022	12	1,103	48,773.78
04/06/2022	7	700	30,590		04/07/2022	10	966	43,326.65
04/07/2022	6	600	26,629.98		04/08/2022	7	616	27,724.8
04/08/2022	5	500	22,300		04/11/2022	9	900	40,950
04/11/2022	2	200	9,000		04/12/2022	4	400	18,220
04/12/2022	8	700	31,695.02		04/13/2022	10	1,000	46,010
04/13/2022	18	1,733	78,643.37		04/14/2022	9	684	31,046.08
04/19/2022	5	304	14,014.1		04/19/2022	4	203	9,449.51
04/20/2022	7	601	27,796.67		04/20/2022	13	1,102	51,774.27
04/21/2022	5	350	16,605.51		04/21/2022	9	702	33,706.18
04/22/2022	5	401	18,952.7		04/22/2022	5	317	15,155.71
04/25/2022	8	600	28,302.48		04/25/2022	11	974	46,317.3
04/26/2022	7	555	26,214.7		04/26/2022	7	601	28,727.5
04/27/2022	4	326	15,186.38		04/27/2022	9	900	42,470.01
04/28/2022	2	44	2,091.4		04/28/2022	8	800	38,540
05/02/2022	4	400	19,900		04/29/2022	13	1,050	52,274.99
05/03/2022	13	1,466	75,209.76		05/02/2022	14	1,250	63,170
05/04/2022	13	1,300	65,830.05		05/03/2022	8	550	28,650
05/05/2022	14	1,301	65,684.89		05/04/2022	4	400	20,490
05/06/2022	10	900	44,720.01		05/05/2022	11	1,000	51,220
05/09/2022	9	900	43,440.03		05/09/2022	4	307	15,044.41
05/10/2022	13	1,050	48,722.52		05/11/2022	7	700	32,198.39
05/11/2022	8	800	36,380		05/12/2022	3	112	5,120
05/12/2022	8	704	32,043.97		05/13/2022	13	1,300	61,425
05/16/2022	5	500	24,485		05/16/2022	8	800	39,710
05/17/2022	8	800	40,420		05/17/2022	9	900	45,819.99
05/18/2022	12	1,038	52,932.81		05/18/2022	17	1,401	72,111.99
05/19/2022	12	970	49,159.02		05/19/2022	2	149	7,598.81
05/20/2022	5	305	15,554.21		05/20/2022	11	1,001	51,581.03
05/23/2022	5	401	20,701.99		05/23/2022	10	801	41,782
05/24/2022	10	809	41,956.6		05/24/2022	11	851	44,672.22
05/25/2022	8	800	41,460		05/25/2022	7	700	36,750
05/26/2022	6	553	28,905.97		05/26/2022	11	800	42,470
05/27/2022	12	810	43,383.03		05/27/2022	2	200	10,750
05/30/2022	8	701	37,404.31		05/30/2022	8	701	38,094.3
05/31/2022	20	1,901	97,720.52		05/31/2022	1	1	53
06/01/2022	12	1,101	54,711		06/01/2022	8	901	46,251.03
06/02/2022	3	146	7,262		06/02/2022	6	698	35,316.99
06/03/2022	8	750	37,507.5		06/03/2022	6	400	20,210
06/06/2022	3	201	10,059.41		06/06/2022	5	500	24,900
06/07/2022	8	800	39,460		06/07/2022	3	300	14,835
06/08/2022	6	500	24,630		06/09/2022	3	340	16,723.99
06/09/2022	8	622	30,444.41		06/10/2022	1	120	5,766
06/10/2022	12	680	32,352.02		06/13/2022	2	200	9,130
06/13/2022	7	500	22,660		06/15/2022	8	800	34,620
06/14/2022	7	350	15,270.01		06/16/2022	2	101	4,308.05
06/15/2022	3	200	8,600		06/17/2022	7	700	30,450
06/16/2022	7	481	20,467.03		06/20/2022	2	200	8,760
06/17/2022	1	70	2,975		06/21/2022	8	650	28,577.51
06/20/2022	5	450	19,459.98		06/22/2022	3	300	13,344.99
06/21/2022	1	7	302.75		06/23/2022	6	530	23,504.02
06/22/2022	6	400	17,640		06/24/2022	12	957	43,489.91
06/23/2022	4	400	17,580		06/27/2022	4	400	18,060
06/24/2022	7	700	31,535		06/28/2022	8	800	36,255.04
06/27/2022	3	300	13,410		06/30/2022	5	423	18,575.45
06/28/2022	1	15	670.5
06/29/2022	7	500	22,160
06/30/2022	3	300	13,065

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