Company: DVAX
Filing Date: 2025-04-15
Form Type: PRER14A
Source: 0000930413-25-001254
Chunk: 93

Company: DYNAVAX TECHNOLOGIES CORP
Filing Date: 2025-04-15
Form: PRER14A
Chunk 93
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 determined using valuation assumptions and methodologies 
 (including volatility, dividend yield, and risk-free interest rates) that are generally consistent with those used to estimate      
 fair value at grant under US GAAP. For options, fair values were estimated using the Black-Scholes formula. The range of estimates  
 used in the option fair value calculations are as follows: (i) for 2024, expected life between 1.0 year – 3.5 years,                
 volatility between 30% - 68%, dividend yield of 0%, and risk-free interest rate between 3.4% - 5.0%; (ii) for 2023, expected        
 life between 0.7 years – 4.5 years, volatility between 32% - 86%, dividend yield of 0%, and risk-free interest rate                 
 between 3.4% - 5.3%; (iii) for 2022, expected life between 1.5 years – 3.6 years, volatility between 69% - 103%, dividend           
 yield of 0%, and risk-free interest rate between 0.8% - 4.5%; (iv) for 2021, expected life between 1.2 years – 4.6 years,           
 volatility between 78% - 114%, dividend yield of 0%, and risk-free interest rate between 0.1% - 1.2%; (iv) for 2020, expected       
 life between 1.3 years – 5.6 years, volatility between 63% - 100%, dividend yield of 0%, and risk-free interest rate                
 between 0.1% - 1.6%.                                                                                                                |
|     | For PSUs, fair values were estimated using a Monte Carlo simulation model, using assumptions                                        
 that are generally consistent with those used to estimate fair value at grant date. The fair values reflect the probable outcome    
 of the performance vesting conditions as of each measurement date. See Note 15 - Equity Plans and Stock-Based                       
 Compensation, in the Notes to Consolidated Financial Statements contained in the Company’s Annual Report on Form 10-K               
 for the corresponding fiscal year, where we explain assumptions made in valuing equity awards at grant.                             |
| (c) | Amount of equity award adjustments may differ from amount reported in the table above due                                           
 to rounding.                                                                                                                        |
| (d) | Neither the PEO, nor the Non-PEO NEOs