CORRECTING and REPLACING Dynavax Investor Alert: Kahn Swick & Foti, LLC Investigates Adequacy of Price and Process in Proposed Sale of Dynavax Technologies Corporation – DVAX

NEW YORK CITY & NEW ORLEANS–(BUSINESS WIRE)–Please replace the release issued December 29, 2025 with the following corrected version due to multiple revisions.

The updated release reads:

DYNAVAX INVESTOR ALERT: KAHN SWICK & FOTI, LLC INVESTIGATES ADEQUACY OF PRICE AND PROCESS IN PROPOSED SALE OF DYNAVAX TECHNOLOGIES CORPORATION – DVAX

Former Attorney General of Louisiana Charles C. Foti, Jr., Esq. and the law firm of Kahn Swick & Foti, LLC (“KSF”) are investigating the proposed sale of Dynavax Technologies Corporation (NasdaqGS: DVAX) to Sanofi (NYSE: SNY). Under the terms of the proposed transaction, shareholders of Dynavax will receive $15.50 in cash for each share of Dynavax that they own. KSF is seeking to determine whether this consideration and the process that led to it are adequate, or whether the consideration undervalues the Company.

If you believe that this transaction undervalues the Company and/or if you would like to discuss your legal rights regarding the proposed sale, you may, without obligation or cost to you, e-mail or call KSF Managing Partner Lewis S. Kahn (lewis.kahn@ksfcounsel.com) toll free at any time at 855-768-1857, or visit https://www.ksfcounsel.com/cases/nasdaqgs-dvax/ to learn more.

Please note that the transaction is structured as a tender offer, such that time may be of the essence.

To learn more about KSF, whose partners include the Former Louisiana Attorney General, visit www.ksfcounsel.com.

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Contacts

Kahn Swick & Foti, LLC

Lewis S. Kahn, Managing Partner

lewis.kahn@ksfcounsel.com
855-768-1857

1100 Poydras St., Suite 960

New Orleans, LA 70163