AYVENS S.A.

Transaction in Own Shares • Dec 1, 2025

Regulated information

Information regarding executed transactions within the framework of a share buyback programme (outside the liquidity agreement) from 24 to 28 November

Paris, 1 December 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 24 November to 28 November 2025 are described below. As of 28 November, 2025, Ayvens has completed 94.8% of its share buyback programme, representing 3.9%¹ of its share capital.

Issuer name: Ayvens SA – LEI 969500E7V019H9NP7427

Reference of the financial instrument: ISIN FR0013258662

Period: from 24 to 28 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	24/11/2025	FR0013258662	124,094	10.71	1,328,703	XPAR
AYVENS SA	969500E7V019H9NP7427	24/11/2025	FR0013258662	148,356	10.70	1,587,847	DXE
AYVENS SA	969500E7V019H9NP7427	24/11/2025	FR0013258662	28,138	10.70	301,185	TQE
AYVENS SA	969500E7V019H9NP7427	24/11/2025	FR0013258662	25,676	10.71	274,917	AQE
AYVENS SA	969500E7V019H9NP7427	25/11/2025	FR0013258662	79,051	10.81	854,503	XPAR
AYVENS SA	969500E7V019H9NP7427	25/11/2025	FR0013258662	135,321	10.79	1,460,788	DXE
AYVENS SA	969500E7V019H9NP7427	25/11/2025	FR0013258662	29,393	10.79	317,110	TQE
AYVENS SA	969500E7V019H9NP7427	25/11/2025	FR0013258662	26,653	10.79	287,505	AQE
AYVENS SA	969500E7V019H9NP7427	26/11/2025	FR0013258662	74,025	10.89	805,973	XPAR
AYVENS SA	969500E7V019H9NP7427	26/11/2025	FR0013258662	138,316	10.87	1,503,496	DXE
AYVENS SA	969500E7V019H9NP7427	26/11/2025	FR0013258662	30,500	10.88	331,876	TQE
AYVENS SA	969500E7V019H9NP7427	26/11/2025	FR0013258662	27,500	10.88	299,325	AQE
AYVENS SA	969500E7V019H9NP7427	27/11/2025	FR0013258662	59,938	10.99	658,906	XPAR
AYVENS SA	969500E7V019H9NP7427	27/11/2025	FR0013258662	119,242	11.00	1,311,178	DXE
AYVENS SA	969500E7V019H9NP7427	27/11/2025	FR0013258662	31,350	11.00	344,897	TQE
AYVENS SA	969500E7V019H9NP7427	27/11/2025	FR0013258662	28,350	10.99	311,644	AQE
AYVENS SA	969500E7V019H9NP7427	28/11/2025	FR0013258662	60,293	11.01	663,943	XPAR
AYVENS SA	969500E7V019H9NP7427	28/11/2025	FR0013258662	118,794	11.00	1,306,319	DXE
AYVENS SA	969500E7V019H9NP7427	28/11/2025	FR0013258662	23,627	11.00	259,934	TQE
AYVENS SA	969500E7V019H9NP7427	28/11/2025	FR0013258662	26,500	11.00	291,596	AQE

TOTAL 1,335,117 10.86

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