Company: DVAX
Filing Date: 2025-04-15
Form Type: PRER14A
Source: 0000930413-25-001254
Chunk: 8

Company: DYNAVAX TECHNOLOGIES CORP
Filing Date: 2025-04-15
Form: PRER14A
Chunk 8
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 information you should consider, and you should read this entire proxy
statement carefully before voting. The proxy materials, including this proxy statement, our 2024 Annual Report on Form 10-K (the “Annual
Report”), and the enclosed GOLDproxy card are first being sent or made available to stockholders on or about April [ ], 2025.

<div align='center'>Virtual Meeting Information</div>

Date: June 11, 2025

Time: 7:00 am Pacific Time

Virtual Meeting URL: www.cesonlineservices.com/dvax25_vm

Because the Annual Meeting is being held virtually, you will not be able
to attend the Annual Meeting in Person. 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.

Record Date: April 14, 2025

<div align='center'>How to Vote if You are a Stockholder of Record</div>

The Company encourages stockholders to fill out and return the enclosed
GOLDproxy card or GOLDvoting instruction form or vote by the internet as instructed on your GOLDproxy card or
GOLDvoting instruction form in advance of the Annual Meeting, even if you plan to attend the Annual Meeting. To vote by internet
or telephone, follow the instructions provided on your GOLDproxy card or GOLDvoting instruction form. You will need the
control number included on your GOLDproxy card or GOLDvoting instruction form. You need only vote in one way (e.g., if
you vote by internet, you need not return the proxy card). We strongly encourage you to vote in advance to ensure your vote will
be represented at the Annual Meeting.

Voting on the Internet or by Telephone. If you are a stockholder
of record, detailed instructions for internet/telephone voting are attached to your GOLDproxy card. Your internet/telephone vote
authorizes the proxy holders to vote your shares in the same manner as if you signed and returned your GOLDproxy card by mail.
If you vote by telephone or the internet, please have your GOLDproxy card and control number available. The sequence of numbers
appearing on your card is your control number, and your control number is necessary to verify your vote. Except as noted below,