Company: DVAX
Filing Date: 2025-04-03
Form Type: PREC14A
Source: 0000930413-25-001153
Chunk: 106

Company: DYNAVAX TECHNOLOGIES CORP
Filing Date: 2025-04-03
Form: PREC14A
Chunk 106
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60 days of March 14, 2025.                                                                                   |
| (19) | Consists of 19,071 shares of common stock owned directly by Dr. Paradiso and options to purchase 113,750 shares of common             
 stock exercisable within 60 days of March 14, 2025.                                                                                   |
| (20) | Consists of 43,804 shares of common stock owned directly by Ms. Phillips and options to purchase 145,700 shares of common             
 stock exercisable within 60 days of March 14, 2025.                                                                                   |
| (21) | Ms. Silvernail did not directly own shares of common stock or options to purchase shares of common stock exercisable within           
 60 days of March 14, 2025.                                                                                                            |
| (22) | Consists of 24,107 shares of common stock owned directly by Ms. Phillips and options to purchase 78,750 shares of common              
 stock exercisable within 60 days of March 14, 2025.                                                                                   |
| (23) | Total number of shares includes common stock, in aggregate, held as of March 14, 2025, by our executive officers and directors        
 and entities affiliated with such executive officers and directors. Also includes options to purchase 4,584,089 shares of             
 common stock exercisable within 60 days of March 14, 2025.                                                                            |

| 86 |

<div align='center'>HOUSEHOLDING OF PROXY MATERIALS</div>

The SEC has adopted rules that permit companies and intermediaries
(e.g., brokers) to satisfy the delivery requirements for annual meeting materials with respect to two or more stockholders sharing the
same address by delivering a single set of annual meeting materials addressed to those stockholders. This process, which is commonly referred
to as “householding,” potentially means extra convenience for stockholders and cost savings for companies.

This year, a number of brokers with account holders who are Dynavax
stockholders will be “householding” the Company’s Proxy Materials. A single set of Proxy Materials will be delivered
to multiple stockholders sharing an address unless contrary instructions have been received from the affected stockholders. Once you have
received notice from your broker that they will be “householding” communications to your address, “householding”
will continue until you are notified otherwise or until you revoke your consent. If, at any time, you no longer wish to participate in
“house