Company: DVAX
Filing Date: 2025-04-17
Form Type: DEFC14A
Source: 0000930413-25-001273
Chunk: 110

Company: DYNAVAX TECHNOLOGIES CORP
Filing Date: 2025-04-17
Form: DEFC14A
Chunk 110
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 stated
its intention to nominate a slate of four candidates for election as directors at the Annual Meeting in opposition to the
Board Nominees. If Deep Track proceeds with its nominations, you may receive proxy solicitation materials from Deep
Track, including an opposition proxy statement and a white proxy card or white voting instruction form that may be sent to
you by or on behalf of Deep Track. The Board recommends that you disregard and do NOT return any white proxy card or white voting instruction form you receive from or on behalf of Deep Track.

Voting to “WITHHOLD” with respect to the Deep
Track Nominees on a white proxy card or white voting instruction form that may be sent to you by or on behalf of Deep Track
is NOT the same as voting for the Board Nominees because a vote to “WITHHOLD” with respect to the Deep Track
Nominees on its white proxy card or white voting instruction form will revoke any proxy you previously submitted.

If you have already voted using Deep Track’s white proxy
card or white voting instruction form, you have the right to change your vote and revoke your prior proxy by signing and dating
the enclosed GOLDproxy card or GOLDvoting instruction form and returning it in the postage-paid envelope provided
or by voting via the internet by following the instructions provided on the enclosed GOLDproxy card or GOLD voting
instruction form. Even if you would like to vote in favor of some or all of the Deep Track Nominees, we strongly recommend that
you use the Company’s GOLDproxy card or GOLDvoting instruction form to do so. Only the latest dated proxy
you submit will be counted. If you have any questions or need assistance voting, please call MacKenzie Partners, the Company’s
proxy solicitor, at 1-800-322-2885 (toll-free from the U.S. and Canada) or +1-212-929-5500 from other countries.

Can I change my vote after submitting my proxy?

Yes. You can revoke your proxy at any time before the final vote at
the Annual Meeting.

Stockholder of Record: Shares Registered in Your Name

If you are the record holder of your shares, you may revoke your proxy
in any one of the following ways:

| • 
 • 
 • | By Mail: You may complete, sign and date another proxy card with a later date and return it by mail before the Annual                    
 Meeting to Dynavax Technologies Corporation, Attention: Corporate Secretary, 2100 Powell