Company: DVAX
Filing Date: 2025-04-03
Form Type: PREC14A
Source: 0000930413-25-001153
Chunk: 115

Company: DYNAVAX TECHNOLOGIES CORP
Filing Date: 2025-04-03
Form: PREC14A
Chunk 115
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 vote must be received by 8:59 p.m. Pacific Time on           , 2025 to be counted.                |
| • | You may virtually attend the Annual Meeting and vote by internet by visiting www.cesonlineservices.com/dvax25_vm. To attend the             
 Annual Meeting, you will need to pre-register at www.cesonlineservices.com/dvax25_vm no later than 24 hours prior to the Annual Meeting.    
 Please have your GOLD proxy card, or GOLD voting instruction form, or other communication containing your control number                    
 available and follow the instructions to complete your registration request. The meeting will begin promptly at 7:00 a.m. Pacific Time      
 on           , 2025, and we encourage stockholders to access the meeting prior to the start time. Record stockholders who access the Annual 
 Meeting and vote on any matter will revoke any previously submitted proxy. Simply attending the meeting will not, by itself, revoke         
 your proxy.                                                                                                                                 |

| 91 |

Your last dated proxy card or telephone vote or internet proxy is the
one that is counted.

Beneficial Owner: Shares Registered in the Name of Broker or Agent

If your shares are held by your broker or bank as a nominee
or agent, you should follow the instructions on the GOLDvoting instruction form provided by your bank, broker or other
nominee to revoke your proxy. You can change your GOLD voting instruction form by submitting a later dated voting instruction
form by following the instructions on the form. The availability of telephone and internet voting will depend on the voting process
of your bank, broker or other nominee.

How many votes do I have?

Each outstanding share of our common stock you owned as of the Record
Date will be entitled to one vote for each matter considered at the meeting. There is no cumulative voting.

What is the difference between a stockholder of record and a beneficial owner of shares held in street name?

Stockholder of Record.If your shares are registered directly
in your name with our transfer agent, Computershare Trust Company, N.A. (“Computershare”), you are considered the stockholder
of record with respect to those shares.

Beneficial Owner of Shares Held in Street Name.If your shares
are held in an account at a bank, broker or other similar organization, you are the beneficial owner of shares held in “street name.”
The organization holding your account is considered the stockholder of record for purposes of voting at the Annual Meeting. As a beneficial
owner, you have the