Company: DVAX
Filing Date: 2025-04-17
Form Type: PRRN14A
Source: 0001193125-25-084044
Chunk: 22

Company: DYNAVAX TECHNOLOGIES CORP
Filing Date: 2025-04-17
Form: PRRN14A
Chunk 22
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 this is not prohibited under the Bylaws and applicable law. In any such case, we would identify and properly nominate such substitute nominee(s) in accordance with the Bylaws and
the shares of Common Stock represented by the enclosed WHITEproxy card will be voted for such substitute nominee(s). We reserve the right to nominate additional person(s), to the extent this is not prohibited under the Bylaws and applicable
law, if the Company increases the size of the Board above its existing size or increases the number of directors whose terms expire at the 2025 Annual Meeting.

The Deep Track Parties and Dynavax will each be using a universal proxy card for voting on the election of directors at the 2025 Annual
Meeting, which will include the names of all nominees for election to the Board. Each of the Deep Track Nominees has consented to being named as a nominee for election as a director of the Company in any proxy statement relating to the 2025 Annual
Meeting. Stockholders will have the ability to vote for up to four nominees on the Deep Track Parties’ enclosed WHITEproxy card. There is no need to use the Company’s gold proxy card or voting instruction form, regardless of how
you wish to vote.

According to the Company’s proxy statement, directors are elected by a plurality of the votes of the shares
present virtually at the 2025 Annual Meeting or represented by proxy and entitled to vote generally on the election of directors. The four nominees (whether the Deep Track Nominees or the Company nominees, or a mix thereof) receiving the highest
number of affirmative votes will be elected.

STOCKHOLDERS ARE PERMITTED TO VOTE FOR LESS THAN FOUR NOMINEES OR FOR ANY COMBINATION OF UP
TO FOUR OF THE DEEP TRACK NOMINEES AND THE COMPANY’S NOMINEES ON THE WHITEPROXY CARD. IMPORTANTLY, IF YOU MARK MORE THAN FOUR “FOR” BOXES WITH RESPECT TO THE ELECTION OF DIRECTORS, ALL OF YOUR VOTES FOR THE ELECTION OF
DIRECTORS WILL BE DEEMED INVALID.

WE STRONGLY URGE YOU TO VOTE “FOR” THE ELECTION OF THE DEEP TRACK NOMINEES ON THE ENCLOSED WHITE PROXY CARD.

21

PROPOSAL TWO

ADVISORY VOTE ON EXECUTIVE COMPENSATION

As discussed in further detail in the Company’s proxy statement, the Company is asking Stockholders to approve or not approve, on an
advisory basis, the compensation of the Company