DBV Technologies S.A.

During the nine months ended September 30, 2025, we issued the following unregistered securities:

•On January 9, 2025, the issuance of an aggregate of 7,300 ordinary shares to U.S. employees upon settlement of RSUs;;

•On January 29, 2025, the issuance of an aggregate of 1,462 ordinary shares to U.S. employees upon settlement of RSUs;

•On March 23, 2025, the issuance of an aggregate of 2,605 ordinary shares to U.S. and non-U.S. employees upon settlement of RSUs;

•On March 27, 2025, we entered into the Securities Purchase Agreements with Investors to which we agreed to issue and sell to the Investors (i) 34,090,004 New Shares, each with ABSA Warrants at a subscription price of €1.1136 per ABSA, and (ii) 71,005,656 First Pre-Funded Warrants at a subscription price of €1.1036 (which equals the per New Share subscription price less the exercise price of €0.01), which was completed on April 7, 2025;

•On May 12, 2025, the issuance of an aggregate of 400 ordinary shares to U.S. employees upon settlement of RSUs;

•On May 19, 2025, the issuance of an aggregate of 2,500 ordinary shares to non-U.S. employees upon settlement of RSUs;

•On May 22, 2025, the issuance of an aggregate of 21,925 ordinary shares to U.S. and non-U.S. employees upon settlement of RSUs; and

•On July 29, 2025, the issuance of an aggregate of 1,462 ordinary shares to U.S. employees upon settlement of RSUs.

None of the foregoing transactions involved any underwriters, underwriting discounts or commissions, or any public offering. We believe these transactions were exempt from registration under the Securities Act in reliance on Section 4(a)(2) of the Securities Act or Regulation S promulgated under Section 5 of the Securities Act, as transactions by an issuer not involving any public offering or as offerings made to non-U.S. resident employees pursuant to an employee benefit plan established and administered in accordance with the law of a country other than the United States (namely, the Republic of France) and in accordance with that country’s practices and documentation. All recipients had adequate access, through their relationships with us, to information about us. The sales of these securities were made without any general solicitation or advertising.