AYVENS S.A.

Transaction in Own Shares • Nov 24, 2025

Regulated information

Information regarding executed transactions within the framework of a share buyback programme (outside the liquidity agreement) from 17 to 21 November

Paris, 24 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 17 November to 21 November 2025 are described below. As of 21 November, 2025, Ayvens has completed 90.8% of its share buyback programme, representing 3.7%¹ of its share capital.

Issuer name: Ayvens SA – LEI 969500E7V019H9NP7427

Reference of the financial instrument: ISIN FR0013258662

Period: from 17 to 21 November 2025

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

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	17/11/2025	FR0013258662	82,622	10.97	906,538	XPAR
AYVENS SA	969500E7V019H9NP7427	17/11/2025	FR0013258662	133,013	10.97	1,458,524	DXE
AYVENS SA	969500E7V019H9NP7427	17/11/2025	FR0013258662	26,500	10.97	290,704	TQE
AYVENS SA	969500E7V019H9NP7427	17/11/2025	FR0013258662	23,400	10.98	256,861	AQE
AYVENS SA	969500E7V019H9NP7427	18/11/2025	FR0013258662	67,506	10.63	717,276	XPAR
AYVENS SA	969500E7V019H9NP7427	18/11/2025	FR0013258662	121,231	10.63	1,288,430	DXE
AYVENS SA	969500E7V019H9NP7427	18/11/2025	FR0013258662	26,650	10.65	283,702	TQE
AYVENS SA	969500E7V019H9NP7427	18/11/2025	FR0013258662	21,182	10.64	225,297	AQE
AYVENS SA	969500E7V019H9NP7427	19/11/2025	FR0013258662	68,971	10.71	738,524	XPAR
AYVENS SA	969500E7V019H9NP7427	19/11/2025	FR0013258662	128,513	10.71	1,376,535	DXE
AYVENS SA	969500E7V019H9NP7427	19/11/2025	FR0013258662	26,381	10.70	282,278	TQE
AYVENS SA	969500E7V019H9NP7427	19/11/2025	FR0013258662	23,496	10.70	251,393	AQE
AYVENS SA	969500E7V019H9NP7427	20/11/2025	FR0013258662	62,500	10.76	672,235	XPAR
AYVENS SA	969500E7V019H9NP7427	20/11/2025	FR0013258662	132,277	10.72	1,418,356	DXE
AYVENS SA	969500E7V019H9NP7427	20/11/2025	FR0013258662	27,208	10.73	291,909	TQE
AYVENS SA	969500E7V019H9NP7427	20/11/2025	FR0013258662	23,363	10.73	250,708	AQE
AYVENS SA	969500E7V019H9NP7427	21/11/2025	FR0013258662	83,197	10.57	879,238	XPAR
AYVENS SA	969500E7V019H9NP7427	21/11/2025	FR0013258662	117,233	10.61	1,243,489	DXE
AYVENS SA	969500E7V019H9NP7427	21/11/2025	FR0013258662	26,015	10.62	276,387	TQE
AYVENS SA	969500E7V019H9NP7427	21/11/2025	FR0013258662	22,432	10.62	238,170	AQE
			TOTAL	1,243,690	10.73

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