Châtillon, France, October 6, 2025 DBV Technologies Announces Sale of approximately $30 million of ADSs Through its At-The-Market (ATM) Program on Nasdaq DBV Technologies (Euronext: DBV – ISIN: FR0010417345 – Nasdaq Capital Market: DBVT) (the “Company”), a clinical-stage biopharmaceutical company, today announced that, pursuant to the Company’s At-The-Market program established on September 5, 2025 (the “ATM Program”), it has agreed to issue and sell new ordinary shares (the “Ordinary Shares”) in the form ...

Châtillon, France, October 6, 2025 DBV Technologies Announces Sale of approximately $30 million of ADSs Through its At-The-Market (ATM) Program on Nasdaq DBV Technologies (Euronext: DBV – ISIN: FR0010417345 – Nasdaq Capital Market: DBVT) (the “Company”), a clinical-stage biopharmaceutical company, today announced that, pursuant to the Company’s At-The-Market program established on September 5, 2025 (the “ATM Program”), it has agreed to issue and sell new ordinary shares (the “Ordinary Shares”) in the form ...

Core Viewpoint - DBV Technologies has initiated the COMFORT Toddlers supplemental safety study for the Viaskin® Peanut patch, targeting peanut-allergic children aged 1 to 3 years, marking a significant step towards advancing this treatment option to market [1][3][4]. Group 1: Study Details - The COMFORT Toddlers study aims to enroll approximately 480 subjects across 80 to 90 study centers in the U.S., Canada, Australia, the UK, and Europe [2]. - The study is a Phase 3 double-blind, placebo-controlled safety trial designed to supplement safety and efficacy data from the completed Phase 3 EPITOPE study [3]. - The study duration is six months, followed by an optional 18-month open-label treatment phase, allowing for up to 24 months of active treatment for participants in the active group [3]. Group 2: Investigator Insights - Dr. Jeffrey Leflein, the Principal Investigator, expressed enthusiasm about the first subject being screened and highlighted the commitment to peanut-allergic children and their families [3]. - Dr. Julie Wang, Global Principal Investigator, noted the significant unmet need for this specific cohort, emphasizing the importance of the study [4]. - CEO Daniel Tassé stated that the data from this study will be crucial for a Biologics License Application (BLA) submission to the FDA, anticipated in the second half of 2026 [4]. Group 3: Company Background - DBV Technologies is a clinical-stage biopharmaceutical company focused on developing treatment options for food allergies, particularly through its proprietary Viaskin® patch technology [9]. - The company aims to address food allergies, which affect millions, including young children, by utilizing epicutaneous immunotherapy (EPIT™) to desensitize the immune system [9]. - DBV is committed to transforming the care of food-allergic individuals and is currently conducting clinical trials for the Viaskin Peanut patch in both toddlers and children [9].

Core Viewpoint - DBV Technologies has initiated the COMFORT Toddlers supplemental safety study for the Viaskin® Peanut patch, targeting peanut-allergic children aged 1 to 3 years, marking a significant step towards advancing this treatment option to market [1][3][4]. Group 1: Study Details - The COMFORT Toddlers study aims to enroll approximately 480 subjects across 80 to 90 study centers in the U.S., Canada, Australia, the UK, and Europe [2]. - The study is a Phase 3 double-blind, placebo-controlled safety trial designed to supplement safety and efficacy data from the completed Phase 3 EPITOPE study [3]. - The study duration is six months, followed by an optional 18-month open-label treatment phase, allowing for up to 24 months of active treatment for participants in the active group [3]. Group 2: Investigator Insights - Dr. Jeffrey Leflein, the Principal Investigator, expressed enthusiasm about the first subject being screened and highlighted the commitment to peanut-allergic children and their families [3][4]. - Julie Wang, Global Principal Investigator, noted the significant unmet need for this specific cohort, reinforcing the importance of the study [4]. Group 3: Regulatory and Future Plans - The data generated from the COMFORT Toddlers study is expected to support a Biologics License Application (BLA) submission to the FDA, anticipated in the second half of 2026 under the Accelerated Approval Pathway [4]. - The company is focused on advancing the development of the Viaskin Peanut patch, which aims to address food allergies through epicutaneous immunotherapy [9].

Core Points - DBV Technologies will hold its Combined General Meeting on June 11, 2025, at 02:00 p.m. CEST at its headquarters in Châtillon, France [1] - The preliminary notice with the detailed agenda and instructions for participation was published on May 07, 2025 [2] - Shareholders can access preparatory documents on the Company's website, in compliance with legal provisions [3] - Shareholders wishing to receive documents by post or electronically must request them by June 06, 2025 [4] - A live webcast of the General Meeting will be available on the Company's website, with a recorded version accessible for at least the minimum legal period [5] Company Overview - DBV Technologies is a clinical-stage biopharmaceutical company focused on developing treatments for food allergies and other immunologic conditions [6] - The Company utilizes its proprietary Viaskin technology platform to address food allergies through epicutaneous immunotherapy (EPIT™) [6] - DBV Technologies is conducting clinical trials for Viaskin Peanut in peanut allergic toddlers and children [6] - The Company is headquartered in Châtillon, France, with operations in Warren, NJ, and its shares are traded on Euronext Paris and Nasdaq [7]

Company Overview - DBV Technologies is a clinical-stage biopharmaceutical company focused on developing treatment options for food allergies and other immunologic conditions with significant unmet medical needs [6] - The company is investigating the use of its proprietary technology platform, Viaskin, to address food allergies through epicutaneous immunotherapy (EPIT™) [6] - DBV Technologies is committed to transforming the care of individuals with food allergies, with ongoing clinical trials for Viaskin Peanut targeting peanut allergic toddlers and children [6] Upcoming General Meeting - The Combined General Meeting is scheduled for June 11, 2025, at 02:00 p.m. CEST at the company's headquarters in Châtillon, France [1] - A preliminary notice containing the detailed agenda and draft resolutions was published on May 07, 2025, and the official meeting notice will be published on May 21, 2025 [2] - Shareholders can access preparatory documents on the company's website, and requests for documents can be made until June 06, 2025 [3][4] Webcast Information - A live webcast of the General Meeting will be available on the company's website, with a recorded version accessible within seven business days after the meeting [5]