Company: DVAX
Filing Date: 2025-04-22
Form Type: DFAN14A
Source: 0001193125-25-087436
Chunk: 6

Company: DYNAVAX TECHNOLOGIES CORP
Filing Date: 2025-04-22
Form: DFAN14A
Chunk 6
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 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

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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) have filed a definitive 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”). Shortly after filing its definitive
proxy statement with the SEC, Deep Track furnished 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 share, of DVAX (the “Common Stock”). The Deep Track Shares
collectively represent approximately 14.53% of the outstanding shares of Common Stock based on 122,411,685 shares of Common Stock outstanding as of the record date for the 2025 Annual Meeting as reported in DVAX’s Definitive Proxy Statement
filed with the SEC on April 17, 2025. Each of the Deep Track Parties may be deemed to have the shared power to vote or direct the vote