Company: DVAX
Filing Date: 2025-03-10
Form Type: DFAN14A
Source: 0001193125-25-050430
Chunk: 7

Company: DYNAVAX TECHNOLOGIES CORP
Filing Date: 2025-03-10
Form: DFAN14A
Chunk 7
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 or uncertainties materialize, or if any of the underlying assumptions of Deep Track Capital, LP (“Deep Track”) or any of the other participants in the proxy solicitation described herein prove
to be incorrect, the actual results may vary materially from outcomes indicated by these statements. Accordingly, forward looking statements should not be regarded as a representation by Deep Track that the future plans, estimates or expectations
contemplated will ever be achieved.

Certain statements and information included herein may have been sourced from third parties. Deep Track does not make
any representations regarding the accuracy, completeness or timeliness of such third party statements or information. Except as may be expressly set forth herein, permission to cite such statements or information has neither been sought nor obtained
from such third parties. Any such statements or information should not be viewed as an indication of support from such third parties for the views expressed herein.

Deep Track disclaims any obligation to update the information herein or to disclose the results of any revisions that may be made to any projected results or
forward-looking statements herein to reflect events or circumstances after the date of such information, projected results or statements or to reflect the occurrence of anticipated or unanticipated events

CERTAIN INFORMATION CONCERNING THE PARTICIPANTS

Deep
Track and the other Participants (as defined below) intend to file a preliminary proxy statement and accompanying WHITE universal proxy card with the Securities and Exchange Commission (the “SEC”) to be used to solicit proxies for, among
other matters, the election of its slate of director nominees at the 2025 annual stockholders meeting (the “2025 Annual Meeting”) of Dynavax Technologies Corporation, a Delaware corporation (“DVAX”). Promptly after filing its
definitive proxy statement with the SEC, Deep Track will furnish the definitive proxy statement and accompanying WHITE universal proxy card to some or all of the stockholders entitled to vote at the 2025 Annual Meeting.

The participants in the proxy solicitation are Deep Track, Deep Track Biotechnology Master Fund, Ltd. (the “Record Stockholder”), David Kroin (all
of the foregoing persons, collectively, the “Deep Track Parties”), Brett A. Erkman, Jeffrey S. Farrow, Michael Mullette and Donald J. Santel (such individuals, collectively with the Deep Track Parties, the “Participants”).

As of the date hereof, the Deep Track Parties beneficially own an aggregate of 17,791,486 shares (the “Deep Track Shares”) of the common stock, par
value $0.001 per