Company: DVAX
Filing Date: 2025-05-12
Form Type: DEFA14A
Source: 0000930413-25-001695
Chunk: 6

Company: DYNAVAX TECHNOLOGIES CORP
Filing Date: 2025-05-12
Form: DEFA14A
Chunk 6
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MENT, ACCOMPANYING GOLD PROXY CARD AND OTHER RELEVANT DOCUMENTS FILED WITH, OR
FURNISHED TO, THE SEC CAREFULLY AND IN THEIR ENTIRETY AS THEY CONTAIN IMPORTANT INFORMATION. Stockholders may obtain a copy of the Proxy
Statement, accompanying GOLD proxy card, any amendments or supplements to the Proxy Statement and any other relevant documents filed
by the Company with the SEC at no charge at

the SEC's website at . Copies will also be available
at no charge at the Company's website at.

Certain Information Regarding Participants

This communication is neither a solicitation of a proxy or consent nor
a substitute for any proxy statement or other filings that may be made with the SEC. The Company, its directors, its director nominees
and certain of its executive officers and employees may be deemed to be participants in the solicitation of proxies for the 2025 Annual
Meeting. Information regarding the names of such persons and their respective direct or indirect interests in the Company, by securities
holdings or otherwise, is available in the Proxy Statement, which was filed with the SEC on April 17, 2025, including
in the sections captioned "Compensation Discussion and Analysis," "Summary Compensation Table," "Grants of Plan
Based Awards," "Outstanding Equity Awards at Fiscal Year End," "Pay Ratio Disclosure," "Director Compensation,"
"Certain Transactions," "Security Ownership of Certain Beneficial Owners and Management," and "Supplemental
Information Regarding Participants in the Solicitation." To the extent that the Company's directors and executive officers have
acquired or disposed of securities holdings since the applicable "as of" date disclosed in the Proxy Statement, such transactions
have been or will be reflected on Statements of Changes in Ownership of Securities on Form 4 or Initial Statements of Beneficial Ownership
of Securities on Form 3 filed with the SEC. These documents are or will be available free of charge at the SEC's website
at .

Non-GAAP Financial Measures

To supplement our financial results presented on a GAAP basis, we have
included information about adjusted EBITDA, a non-GAAP financial measure. We believe the presentation of this non-GAAP financial measure,
when viewed with our results under GAAP, provide analysts, investors and other third parties with insights into how we evaluate normal
operational activities, including our ability to generate cash from operations, on a comparable year-over-year basis and manage our budgeting
and forecasting.

Adjusted EBITDA

Adjusted EBIT