Company: DVAX
Filing Date: 2025-04-03
Form Type: PREC14A
Source: 0000930413-25-001153
Chunk: 107

Company: DYNAVAX TECHNOLOGIES CORP
Filing Date: 2025-04-03
Form: PREC14A
Chunk 107
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holding” and would prefer to receive a separate set of Proxy Materials, please notify your broker or Dynavax. Direct
your written request to Dynavax Technologies Corporation, Attention: Corporate Secretary, 2100 Powell Street, Suite 720, Emeryville, California
94608, or contact Dynavax’s Corporate Secretary at (510) 848-5100. Stockholders who currently receive multiple copies of the Proxy
Materials at their addresses and would like to request “householding” of their communications should contact their brokers.

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<div align='center'>QUESTIONS AND ANSWERS ABOUT THESE PROXY MATERIALS AND VOTING</div>

Why did I receive these materials?

Our Board is soliciting proxies for the Annual Meeting. You are receiving
a proxy statement because you owned shares of our common stock on , 2025 (the “Record Date”), and that entitles you
to vote at the meeting. By use of a proxy, you can vote whether or not you attend the meeting. This proxy statement describes the matters
on which we would like you to vote and provides information on those matters so that you can make an informed decision.

Who is Deep Track and how are they involved in the Annual Meeting?

Deep Track is a stockholder that has notified the Company that it intends
to (i) nominate the four Deep Track Nominees for election to the Board to run in opposition to the four Board Nominees recommended by
the Board (Brent MacGregor, Scott Myers, Lauren Silvernail and Elaine Sun) and (ii) submit the Bylaw Proposal for consideration at the
Annual Meeting. After careful consideration, the Board does NOT endorse any of the Deep Track Nominees or the Bylaw Proposal and unanimously recommends that you vote “FOR” the election of only each of the four Board Nominees (Brent MacGregor, Scott Myers, Lauren Silvernail and Elaine Sun) and “AGAINST” the Bylaw Proposal using the GOLD proxy card or GOLD voting instruction form.

You may receive proxy solicitation materials, including a white proxy card or white voting instruction form, from or on behalf of Deep Track. The Board urges you to disregard such materials and NOT to vote using any associated white proxy card or white voting instruction form. The Company is not responsible for the accuracy or completeness of any information provided by or relating to Deep Track or the Deep Track Nominees contained in solicitation materials filed or disseminated by or on behalf of Deep Track or any other statements