AYVENS S.A.

Transaction in Own Shares • Dec 8, 2025

Regulated information

Information regarding executed transactions within the framework of a share buyback programme (outside the liquidity agreement) from 1 to 5 December

Paris, 8 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 1 December to 5 December 2025 are described below. As of 5 December 2025, Ayvens has completed 98.4% of its share buyback programme, representing 4.0%¹ of its share capital.

Issuer name: Ayvens SA – LEI 969500E7V019H9NP7427

Reference of the financial instrument: ISIN FR0013258662

Period: from 1 to 5 December 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	01/12/2025	FR0013258662	77,009	11.06	851,528	XPAR
AYVENS SA	969500E7V019H9NP7427	01/12/2025	FR0013258662	94,954	11.06	1,050,115	DXE
AYVENS SA	969500E7V019H9NP7427	01/12/2025	FR0013258662	20,129	11.05	222,520	TQE
AYVENS SA	969500E7V019H9NP7427	01/12/2025	FR0013258662	21,628	11.06	239,234	AQE
AYVENS SA	969500E7V019H9NP7427	02/12/2025	FR0013258662	70,736	11.15	788,441	XPAR
AYVENS SA	969500E7V019H9NP7427	02/12/2025	FR0013258662	124,805	11.15	1,391,147	DXE
AYVENS SA	969500E7V019H9NP7427	02/12/2025	FR0013258662	26,227	11.14	292,261	TQE
AYVENS SA	969500E7V019H9NP7427	02/12/2025	FR0013258662	24,999	11.15	278,637	AQE
AYVENS SA	969500E7V019H9NP7427	03/12/2025	FR0013258662	27,583	11.16	307,909	XPAR
AYVENS SA	969500E7V019H9NP7427	03/12/2025	FR0013258662	121,000	11.15	1,348,878	DXE
AYVENS SA	969500E7V019H9NP7427	03/12/2025	FR0013258662	20,000	11.15	223,021	TQE
AYVENS SA	969500E7V019H9NP7427	03/12/2025	FR0013258662	24,000	11.15	267,563	AQE
AYVENS SA	969500E7V019H9NP7427	04/12/2025	FR0013258662	151,627	11.34	1,719,048	XPAR
AYVENS SA	969500E7V019H9NP7427	04/12/2025	FR0013258662	95,503	11.33	1,081,767	DXE
AYVENS SA	969500E7V019H9NP7427	04/12/2025	FR0013258662	16,644	11.33	188,636	TQE
AYVENS SA	969500E7V019H9NP7427	04/12/2025	FR0013258662	18,529	11.34	210,036	AQE
AYVENS SA	969500E7V019H9NP7427	05/12/2025	FR0013258662	57,132	11.41	652,104	XPAR
AYVENS SA	969500E7V019H9NP7427	05/12/2025	FR0013258662	113,500	11.41	1,294,791	DXE
AYVENS SA	969500E7V019H9NP7427	05/12/2025	FR0013258662	21,000	11.41	239,628	TQE
AYVENS SA	969500E7V019H9NP7427	05/12/2025	FR0013258662	23,500	11.41	268,078	AQE

TOTAL 1,150,505 11.23

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