Soitec

Capital/Financing Update • Jan 17, 2024

HALF-YEAR STATEMENT ON THE IMPLEMENTATION OF THE LIQUIDITY CONTRACT AS OF DECEMBER 31, 2023

Bernin (Grenoble), France, January 17, 2024 – Soitec (Euronext Paris), a world leader in the design and manufacturing of innovative semiconductor materials, announces that, under the liquidity contract entrusted to BNP Paribas on July 3, 2023, the following resources appeared on December 31, 2023 on the liquidity account:

• 12,595 Soitec shares, and
• €6,207,452

During the second semester of 2023, a total of:

• 234,920 shares were bought for €37,766,839 (i.e., 4,356 transactions).
• 220,575 shares were sold for €35,564,595 (i.e., 4,527 transactions).

At the time of the implementation of the liquidity contract on July 3, 2023, the following resources appeared on the liquidity account: €8,000,000.

Aggregate data for each trading day in the second semester of 2023 are given in the appendix to this press release.

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Agenda

Q3' FY2023-2024 revenue will be published on February 7, 2024, after market close.

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About Soitec

Soitec (Euronext - Tech 40 Paris), a world leader in innovative semiconductor materials, has been developing cuttingedge products delivering both technological performance and energy efficiency for over 30 years. From its global headquarters in France, Soitec is expanding internationally with its unique solutions, and generated sales of 1.09 billion euros in fiscal 2022-2023. Soitec occupies a key position in the semiconductor value chain, serving three main strategic markets: mobile communications, automotive and industry, and smart devices. The company relies on the talent and diversity of its 2,100 employees, representing 50 different nationalities, working at its sites in Europe, the United States and Asia. Soitec has registered over 4,000 patents.

Soitec, SmartSiC™ and Smart Cut™ are registered trademarks of Soitec.

For more information:https://www.soitec.com/en/ and follow us on : @Soitec_Official

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Investor Relations:

investors@soitec.com

Media contacts:

Isabelle Laurent +33 6 42 37 54 17 isabelle.laurent@oprgfinancial.fr

Fabrice Baron +33 6 14 08 29 81 fabrice.baron@oprgfinancial.fr

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Soitec is a French joint-stock corporation with a Board of Directors (Société Anonyme à Conseil d'administration) with a share capital of €71,424,604 having its registered office located at Parc Technologique des Fontaines - Chemin des Franques - 38190 Bernin (France), and registered with the Grenoble Trade and Companies Register under number 384 711 909.

Daily report on SOITEC S.A.'s liquidity contract for the period 07/01/2023 to 12/31/2023

prepared in accordance with the provisions of article 2-3 of AMF Decision no. 2021-01 of June 22, 2021

			Purchases			Sales
Client	Date
		Number of	Number of	Traded	Number of	Number of	Traded
		shares	transactions	volume in	shares	transactions	volume in
				EUR			EUR
SOITEC S.A.	7/4/2023	1,700	28	263,257.58	400	7	62,530.00
SOITEC S.A.	7/5/2023	4,600	43	713,069.00	1,896	51	294,376.75
SOITEC S.A.	7/6/2023	9,500	134	1,425,824.60
SOITEC S.A.	7/7/2023	2,507	71	372,651.51	4,667	67	697,011.32
SOITEC S.A.	7/10/2023	1,500	20	223,252.05	1,500	30	223,431.00
SOITEC S.A.	7/11/2023	5,200	61	786,892.60	7,700	108	1,169,631.54
SOITEC S.A.	7/12/2023	1,100	20	170,734.30	7,799	104	1,221,494.98
SOITEC S.A.	7/13/2023				1,275	14	210,860.01
SOITEC S.A.	7/14/2023	750	18	127,551.45	750	4	128,621.25
SOITEC S.A.	7/17/2023	5,551	110	942,270.59	4,200	99	716,296.56
SOITEC S.A.	7/18/2023	3,975	52	668,177.63	3,475	152	585,359.58
SOITEC S.A.	7/19/2023	1,558	58	265,505.79	1,558	24	267,532.28
SOITEC S.A.	7/20/2023	9,500	101	1,593,092.05
SOITEC S.A.	7/21/2023	180	6	29,169.00	530	7	87,618.01
SOITEC S.A.	7/24/2023	2,490	34	408,557.21	2,098	107	345,189.19
SOITEC S.A.	7/25/2023	1,750	52	286,993.00	1,750	25	288,242.50

SOITEC S.A.	7/26/2023	1,000	17	166,875.00	4,625	115	773,104.36
SOITEC S.A.	7/27/2023				3,538	67	613,962.58
SOITEC S.A.	7/28/2023	1,750	19	310,580.03	1,750	54	311,442.43
SOITEC S.A.	7/31/2023	1,395	18	249,071.95	1,045	17	186,759.47
SOITEC S.A.	8/1/2023	1,550	31	277,870.05	1,550	17	278,647.53
SOITEC S.A.	8/2/2023	2,537	58	449,167.22	2,437	37	433,036.62
SOITEC S.A.	8/3/2023	2,630	48	461,195.22	2,630	49	462,069.17
SOITEC S.A.	8/4/2023	1,650	37	289,282.46	1,850	45	325,605.00
SOITEC S.A.	8/7/2023	1,450	23	254,151.51	1,750	31	307,733.83
SOITEC S.A.	8/8/2023	1,750	41	307,979.70	1,750	38	309,198.58
SOITEC S.A.	8/9/2023	2,800	60	490,690.76	1,050	14	186,514.97
SOITEC S.A.	8/10/2023				2,250	29	394,274.93
SOITEC S.A.	8/11/2023	4,500	63	776,915.10	4,250	93	736,475.28
SOITEC S.A.	8/14/2023	1,250	30	212,700.00	1,500	22	256,557.45
SOITEC S.A.	8/15/2023	1,250	22	215,345.63	1,250	21	215,790.00
SOITEC S.A.	8/16/2023	1,400	31	241,752.56	2,000	33	346,012.60
SOITEC S.A.	8/17/2023	1,600	29	274,736.96	1,320	38	227,437.45
SOITEC S.A.	8/18/2023	2,100	20	361,182.57	2,100	38	361,697.49
SOITEC S.A.	8/21/2023	841	7	144,967.96	1,750	24	302,522.50
SOITEC S.A.	8/22/2023	1,000	13	178,452.50	1,021	14	182,405.84
SOITEC S.A.	8/23/2023	1,500	19	263,107.50	1,500	23	264,885.00

SOITEC S.A.	8/24/2023	3,500	44	611,406.25	976	27	174,717.27
SOITEC S.A.	8/25/2023	2,000	41	336,330.00	2,000	36	337,370.00
SOITEC S.A.	8/28/2023	400	7	67,800.00	400	5	67,880.00
SOITEC S.A.	8/29/2023	1,100	21	185,140.01	2,100	29	356,850.06
SOITEC S.A.	8/30/2023	1,250	16	213,130.00	200	2	34,580.00
SOITEC S.A.	8/31/2023	1,600	22	269,827.52	900	18	152,692.47
SOITEC S.A.	9/1/2023	1,250	17	209,782.50	2,100	28	357,525.00
SOITEC S.A.	9/4/2023	1,050	26	179,374.97	650	8	112,029.97
SOITEC S.A.	9/5/2023	2,600	56	435,699.94	200	3	34,050.00
SOITEC S.A.	9/6/2023	350	4	58,117.50	700	9	117,254.97
SOITEC S.A.	9/7/2023	4,500	100	731,084.85
SOITEC S.A.	9/8/2023	1,950	32	311,185.10	1,950	44	313,484.93
SOITEC S.A.	9/11/2023	1,000	19	159,920.00	900	9	145,125.00
SOITEC S.A.	9/12/2023	1,450	18	231,075.05	1,700	26	273,679.94
SOITEC S.A.	9/13/2023	1,050	20	168,664.97	1,850	33	299,934.95
SOITEC S.A.	9/14/2023	2,850	55	459,604.97	2,850	48	461,515.04
SOITEC S.A.	9/15/2023	2,150	52	342,730.00	1,250	32	201,387.50
SOITEC S.A.	9/18/2023	2,250	47	352,160.10	2,100	65	329,669.97
SOITEC S.A.	9/19/2023	1,419	28	219,869.37	1,419	28	221,040.18
SOITEC S.A.	9/20/2023	1,500	36	235,000.05	1,500	19	235,950.75
SOITEC S.A.	9/21/2023	1,600	23	245,004.96	1,600	49	245,372.48

SOITEC S.A.	9/22/2023	2,000	20	308,267.60	2,500	31	386,305.00
SOITEC S.A.	9/25/2023	1,750	19	269,482.50	1,125	22	173,295.00
SOITEC S.A.	9/26/2023	2,250	35	341,582.40	2,250	71	342,508.50
SOITEC S.A.	9/27/2023				1,200	22	183,405.00
SOITEC S.A.	9/28/2023	1,050	11	159,250.04	900	16	138,054.96
SOITEC S.A.	9/29/2023				1,500	20	236,250.00
SOITEC S.A.	10/2/2023	1,750	38	276,490.38	1,750	49	276,804.33
SOITEC S.A.	10/3/2023	2,990	56	464,408.00	2,310	86	360,484.97
SOITEC S.A.	10/4/2023	1,200	27	183,770.04	1,550	45	238,680.94
SOITEC S.A.	10/5/2023	1,100	15	171,352.50	400	11	62,860.00
SOITEC S.A.	10/6/2023	1,250	24	193,142.00	1,250	36	193,925.00
SOITEC S.A.	10/9/2023	1,930	35	297,648.07	1,750	54	270,569.95
SOITEC S.A.	10/10/2023	600	32	93,442.98	1,200	22	187,470.00
SOITEC S.A.	10/11/2023	750	27	119,171.33	750	11	119,412.53
SOITEC S.A.	10/12/2023	1,550	32	246,041.58	1,550	39	246,607.33
SOITEC S.A.	10/13/2023	2,600	56	406,075.02
SOITEC S.A.	10/16/2023	2,250	45	342,069.75	2,000	53	304,521.40
SOITEC S.A.	10/17/2023	3,500	51	522,504.85	1,900	48	286,339.12
SOITEC S.A.	10/18/2023	2,000	36	284,963.00	2,000	78	286,098.00
SOITEC S.A.	10/19/2023	1,869	30	266,159.99	830	14	119,449.04
SOITEC S.A.	10/20/2023	2,000	32	275,295.00	1,750	25	241,282.30

SOITEC S.A.	10/23/2023	1,750	37	235,655.00	1,750	34	235,970.00
SOITEC S.A.	10/24/2023	1,050	24	141,855.00	1,400	27	189,892.50
SOITEC S.A.	10/25/2023	1,400	33	189,760.00	1,750	38	238,332.50
SOITEC S.A.	10/26/2023	1,850	25	251,613.75	3,200	69	440,225.00
SOITEC S.A.	10/27/2023	2,250	41	312,755.00	2,250	54	313,032.50
SOITEC S.A.	10/30/2023	1,050	28	146,839.50	700	18	98,507.50
SOITEC S.A.	10/31/2023	1,950	50	271,697.50	1,950	33	272,095.00
SOITEC S.A.	11/1/2023	1,600	34	225,172.50	1,600	35	226,090.00
SOITEC S.A.	11/2/2023				2,800	36	411,145.00
SOITEC S.A.	11/3/2023	1,400	30	216,055.00	1,400	41	218,032.50
SOITEC S.A.	11/6/2023	1,750	49	272,413.15	1,750	33	272,742.55
SOITEC S.A.	11/7/2023	1,050	24	163,100.00	1,050	15	163,922.50
SOITEC S.A.	11/8/2023	1,050	31	164,115.00	1,950	35	307,010.00
SOITEC S.A.	11/9/2023	1,689	34	267,860.55	1,489	24	236,627.50
SOITEC S.A.	11/10/2023	2,100	48	332,850.00	2,100	56	333,386.50
SOITEC S.A.	11/13/2023	350	4	56,035.00	350	8	56,507.50
SOITEC S.A.	11/14/2023	1,000	20	160,210.00	2,400	52	389,610.00
SOITEC S.A.	11/15/2023	2,000	34	328,058.50	2,248	60	369,860.50
SOITEC S.A.	11/16/2023	3,000	51	485,486.25	4,800	98	789,603.75
SOITEC S.A.	11/17/2023	2,500	36	411,283.20	3,090	79	513,736.85
SOITEC S.A.	11/20/2023	5,605	84	946,811.00	2,805	41	481,108.75

SOITEC S.A.	11/21/2023	1,750	39	286,807.50	700	18	115,605.00
SOITEC S.A.	11/22/2023	1,350	59	222,042.45	1,350	21	222,785.00
SOITEC S.A.	11/23/2023	1,050	19	171,307.50
SOITEC S.A.	11/24/2023	700	26	113,855.00	1,400	39	228,077.50
SOITEC S.A.	11/27/2023	1,400	44	227,233.10	1,050	38	170,607.50
SOITEC S.A.	11/28/2023	1,050	24	168,280.00	1,050	25	168,583.70
SOITEC S.A.	11/29/2023				2,450	38	399,332.50
SOITEC S.A.	11/30/2023	1,050	23	173,442.50	1,050	24	174,720.00
SOITEC S.A.	12/1/2023	5,750	103	934,987.50	2,250	39	366,000.80
SOITEC S.A.	12/4/2023	3,714	84	585,971.60	814	18	128,791.30
SOITEC S.A.	12/5/2023	1,385	40	214,773.00	1,850	33	286,900.00
SOITEC S.A.	12/6/2023	700	21	111,215.00	900	17	143,082.50
SOITEC S.A.	12/7/2023	1,375	24	214,490.00	1,000	17	156,690.00
SOITEC S.A.	12/8/2023	1,330	26	211,016.00	1,780	27	283,669.00
SOITEC S.A.	12/11/2023	700	16	112,855.30	700	12	113,522.50
SOITEC S.A.	12/12/2023				2,800	52	461,947.50
SOITEC S.A.	12/13/2023	3,500	88	583,099.30	2,175	77	363,935.05
SOITEC S.A.	12/14/2023	1,100	43	185,375.00	2,100	33	354,935.00
SOITEC S.A.	12/15/2023	3,050	57	505,625.60	3,050	66	506,326.80
SOITEC S.A.	12/18/2023	1,750	40	287,945.00	800	15	132,240.00
SOITEC S.A.	12/19/2023	900	20	147,130.20	1,250	20	205,070.00

SOITEC S.A.	12/20/2023	1,400	29	226,940.00	1,400	27	227,290.00
SOITEC S.A.	12/21/2023	2,100	30	337,207.50	2,000	29	322,212.50
SOITEC S.A.	12/22/2023	1,050	22	170,170.00	1,400	31	227,482.50
SOITEC S.A.	12/27/2023	1,250	16	205,770.00	1,750	31	289,205.00
SOITEC S.A.	12/28/2023	1,050	18	171,955.00
SOITEC S.A.	12/29/2023	1,050	29	170,671.20	350	5	57,382.50
TOTAL		234,920	4,356	37,766,839	220,575	4,527	35,564,595
Purchases:	234,920	(4,356 transactions)	37,766,839€	Sales:	220,575	(4,527 transactions)	35,564,595€