Company: DVAX
Filing Date: 2025-04-17
Form Type: DEFC14A
Source: 0000930413-25-001273
Chunk: 118

Company: DYNAVAX TECHNOLOGIES CORP
Filing Date: 2025-04-17
Form: DEFC14A
Chunk 118
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 that we may elect to deliver at a later time. You may also vote by phone before the meeting by
calling the toll-free phone number on your GOLDproxy card or GOLDvoting instruction form and following
the recorded instructions. To attend and participate in the Annual Meeting, including voting your shares at and submitting
your questions during such meeting, you must pre-register by 7:00 a.m. Pacific Time on June 10, 2025 at
www.cesonlineservices.com/dvax25_vm using the control number found on your proxy card, or voting instruction form. You will
be asked to provide the control number from your GOLDproxy card. Online check-in for the Annual Meeting will begin at
6:30 a.m. Pacific Time and you should allow ample time for the check-in procedures. If you are a stockholder of record or
beneficial owner who has registered to attend the Annual Meeting online, you may submit questions during the meeting by
visiting www.cesonlineservices.com/dvax25_vm We will respond to as many appropriate inquiries at the Annual Meeting as time
allows.

You may vote your shares electronically before the meeting
by internet, by phone or by proxy using a GOLDproxy card or GOLDvoting instruction form as described under “How
do I vote the shares on my proxy card?” above, and you do not need to access the virtual Annual Meeting to vote if you submitted
your vote via internet, phone or proxy card in advance of the Annual Meeting.

Whether or not you participate in the annual meeting, it is
important that you vote your shares.

How can I reach the Company to request materials or information referred to in these Questions and Answers?

You may order a copy of our Annual Report on Form 10-K for
the fiscal year ended December 31, 2024, free of charge, or request other information by mail addressed to:

<div align='center'>Corporate Secretary
Dynavax Technologies Corporation
2100 Powell Street, Suite 720
Emeryville, California 94608</div>

or by calling +1-877-848-5100. This information is also available
free of charge on the SEC’s website, www.sec.gov, and our website, www.dynavax.com.

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<div align='center'>OTHER MATTERS</div>

The Board knows of no other matters that
will be presented for consideration at the Annual Meeting. If any other matters are properly brought before the Annual Meeting,
it is the