Company: DVAX
Filing Date: 2025-03-10
Form Type: DFAN14A
Source: 0001193125-25-050430
Chunk: 6

Company: DYNAVAX TECHNOLOGIES CORP
Filing Date: 2025-03-10
Form: DFAN14A
Chunk 6
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 investors’ trust in the Board.

In our view, these steps would be in the best interests of all shareholders. A refreshed Board could drive critical improvements to the Company’s
strategy and ensure it is on the best path forward for all stakeholders – including by eventually eliminating Hepatitis B – while maximizing the long-term value of the Company’s assets and recycling cash back into the hands of
investors who can choose the best clinical programs across the entire biotechnology sector in which to deploy that capital.

We are not adversaries of the
Board or the Company. Other investors clearly appreciate the greater probability of fundamental change that our efforts bring to the table. The value of our nominees, particularly our shareholder representative, is clearly exemplified by the extreme
outperformance of Dynavax stock since we began our efforts in earnest.

***

We urge you to carefully consider the above points in the context of what is best for all Dynavax shareholders.

Regards,

David Kroin

Founder and Chief Investment Officer, Deep Track Capital LP

About Deep Track Capital

Deep Track Capital is a
Greenwich, Connecticut-based investment firm focused exclusively on the life sciences industry. We develop long term partnerships with management teams of leading innovative public and pre-IPO biotechnology
companies. In addition to capital, we seek to invest our time and expertise, while leveraging our network for the benefit of our partners. We aim to lead transactions while building large syndicates, and also to invest in rounds led by other
qualified investors.

Investor Contact

Innisfree
M&A Incorporated

Scott Winter / Gabrielle Wolf

+1 212-750-5833

Media Contact

Longacre Square Partners

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relate strictly to historical or current facts and include, without limitation, words such as “may,” “will,” “expects,” “believes,” “anticipates,” “plans,” “estimates,”
“projects,” “potential,” “targets,” “forecasts,” “seeks,” “could,” “should” or the negative of such terms or other variations on such terms or comparable terminology. Similarly,
statements that describe our objectives, plans or goals are forward-looking. Forward-looking statements are subject to various risks and uncertainties and assumptions. There can be no assurance that any idea or assumption herein is, or will be
proven, correct. If one or more of the risks