DASSAULT AVIATION

French corporation (société anonyme) with a share capital of 66,789,624 euros Headquarters: 9, Rond-Point des Champs-Elysées Marcel Dassault - 75008 PARIS RCS PARIS 712 042 456

Information concerning the total number of voting rights and shares as per article L. 233-8 II of the French Commercial Code (Code de commerce) and article 223-16 of the General Regulations (Règlement Général) of the French Market Authority (Autorité des Marchés Financiers)

Date	Total number of shares	Total number of voting rights
09/30/2021	83,487,030*	Theoretical voting rights: 135,536,930 Exercisable voting rights: 135,226,800

* as per the 10 for 1 stock split of the Dassault Aviation shares (see the Euronext corporate event notice attached).

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CORPORATE EVENT NOTICE: Announcement

LOCATION: Paris DATE: 01/09/2021

DASSAULT AVIATION NOTICE: PAR_20210901_23850_EUR MARKET: EURONEXT PARIS

Nominal value split of DASSAULT AVIATION ordinary shares

The board of directors of the company DASSAULT AVIATION, held on 22/07/2021, has decided to implement a 1-for-10 nominal value split, as approved by the extraodinary general shareholders' meeting, on 11/05/2021.

Therefore, on 29/09/2021, the nominal value split will be carried out by mandatory exchange of the existing shares (par value 8.00 EUR / ISIN FR0000121725) for new shares (par value 0.80 EUR / ISIN FR0014004L86), at a rate of 10 new shares for 1 existing one.

A market notice providing further details will be published at a later date.

1 - Calendar and technical aspects

28/09/2021	- Last trading day of old shares (ISIN code FR0000121725)
29/09/2021	- Effective date of the nominal value split - Delisting of old shares (ISIN code FR0000121725) - Admission to trading of the new shares under ISIN code FR0014004L86/ Symbol: AM
30/09/2021	Record date
01/10//2021	Payment date
COAF	EF
FTT	Not applicable

2- End of eligibility to DSO

Following the announcement of a stock split project on DASSAULT AVIATION securities (ISIN code FR0000121725), Euronext Paris announces that the ordinary shares issued by DASSAULT AVIATION will no longer be eligible to the Deferred Settlement Order Service (DSO) as from 28/09/2021.

3- Cancellation of orders

Symbol: AM

The order book of the ordinary shares issued by DASSAULT AVIATION will be purged on the following conditions:

Reason:		End of eligibility to DSO
Cancellation of orders:		On 27/09/2021 at the end of the trading session
Orders to be renewed on:		28/09/2021
Type of orders:		New Clients orders
Product name: ISIN:	DASSAULT AVIATION FR0000121725	Euronext code:	FR0000121725

The present notice and the contents thereof are only provided for information purposes in order to facilitate the fair, orderly and efficient functioning of the market and is not a recommendation to engage in investment activities. The contents of this notice are provided "as is" based on information provided to the market operator without representation or warranty of any kind. Euronext will not be held liable for any loss or damages of any nature ensuing from using, trusting or acting on information provided. No information set out or referred to in this notice shall form the basis of any contract. The creation of rights and obligations in respect of financial products that are traded on the exchanges operated by Euronext's subsidiaries shall depend solely on the applicable rules of the market operator. The Euronext Markets comprise the markets operated by Euronext Amsterdam, Euronext Brussels, Euronext Dublin, Euronext Lisbon, Euronext Oslo and Euronext Paris, referred to respectively as the Amsterdam, Brussels, Dublin, Lisbon, Oslo and Paris markets, as

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