AYVENS S.A.

Transaction in Own Shares • Nov 17, 2025

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Regulated information

Information regarding executed transactions within the framework of a share buyback programme (outside the liquidity agreement) from 10 to 14 November

Paris, 17 November 2025

(In accordance with article 5 of Regulation (EU) No 596/2014 on Market Abuse Regulation and article 3(3) of Delegated Regulation (EU) 2016/1052 supplementing Regulation (EU) No 596/2014 through regulatory technical standards concerning the conditions applicable to buyback programmes and stabilisation measures)

As announced on Thursday 30 October 2025, Ayvens started on Friday 31 October 2025, an ordinary share buyback programme for a maximum amount of EUR 360 million for the purpose of shares cancellation.

Ayvens received all necessary authorisations from supervisory authorities. These buybacks are carried out in compliance with the conditions, notably regarding the maximum price, set forth by General Shareholders' Meeting held on 19 May 2025 and presented in the description released on 20 May 2025, as well as in accordance with the Market Abuse Regulation. They are performed on the trading platforms on which Ayvens shares are listed for trading or are traded, including the regulated market of Euronext Paris. The liquidity contract concluded with BNP Paribas Exane has also temporarily been suspended throughout the buyback period.

Purchases performed from 10 November to 14 November 2025 are described below. As of 10 November, 2025, Ayvens has completed 87.1% of its share buyback programme, representing 3.5%¹ of its share capital.

Issuer name: Ayvens SA – LEI 969500E7V019H9NP7427

Reference of the financial instrument: ISIN FR0013258662

Period: from 10 to 14 November 2025

¹ Ratio between the number of shares repurchased and the 816,960,428 shares comprising the current share capital.

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Purchases performed by Ayvens SA during the period

Aggregated presentation by day and market

Issuer's name	Issuer's code (LEI)	Transaction date	ISIN code	Total daily volume (in number of shares)	Daily weighted average purchase price of shares	Value in EUR	Market (MIC code)
AYVENS SA	969500E7V019H9NP7427	10/11/2025	FR0013258662	210,574	10.98	2,312,539	XPAR
AYVENS SA	969500E7V019H9NP7427	10/11/2025	FR0013258662	136,100	10.98	1,494,235	DXE
AYVENS SA	969500E7V019H9NP7427	10/11/2025	FR0013258662	25,600	10.98	281,095	TQE
AYVENS SA	969500E7V019H9NP7427	10/11/2025	FR0013258662	19,700	10.98	216,243	AQE
AYVENS SA	969500E7V019H9NP7427	11/11/2025	FR0013258662	80,634	10.89	878,139	XPAR
AYVENS SA	969500E7V019H9NP7427	11/11/2025	FR0013258662	128,361	10.89	1,397,867	DXE
AYVENS SA	969500E7V019H9NP7427	11/11/2025	FR0013258662	18,221	10.89	198,344	TQE
AYVENS SA	969500E7V019H9NP7427	11/11/2025	FR0013258662	20,368	10.89	221,853	AQE
AYVENS SA	969500E7V019H9NP7427	12/11/2025	FR0013258662	79,505	11.00	874,784	XPAR
AYVENS SA	969500E7V019H9NP7427	12/11/2025	FR0013258662	108,667	11.00	1,195,662	DXE
AYVENS SA	969500E7V019H9NP7427	12/11/2025	FR0013258662	24,562	10.99	269,917	TQE
AYVENS SA	969500E7V019H9NP7427	12/11/2025	FR0013258662	19,493	10.98	214,104	AQE
AYVENS SA	969500E7V019H9NP7427	13/11/2025	FR0013258662	98,737	11.18	1,103,996	XPAR
AYVENS SA	969500E7V019H9NP7427	13/11/2025	FR0013258662	134,000	11.18	1,497,788	DXE
AYVENS SA	969500E7V019H9NP7427	13/11/2025	FR0013258662	25,500	11.17	284,869	TQE
AYVENS SA	969500E7V019H9NP7427	13/11/2025	FR0013258662	20,500	11.17	229,041	AQE
AYVENS SA	969500E7V019H9NP7427	14/11/2025	FR0013258662	120,209	10.97	1,318,362	XPAR
AYVENS SA	969500E7V019H9NP7427	14/11/2025	FR0013258662	124,303	10.97	1,363,323	DXE
AYVENS SA	969500E7V019H9NP7427	14/11/2025	FR0013258662	24,121	10.97	264,607	TQE
AYVENS SA	969500E7V019H9NP7427	14/11/2025	FR0013258662	19,498	10.97	213,875	AQE

TOTAL 1,438,653 11.00

Elise Boorée Communications Department Tel: +33 (0)6 25 01 24 16 elise.booree@ayvens.com