January 14 - March 14,

April 5 - May 2,

2024

2024

Initial exercise price

$0.67 - $0.27

$0.23 - $0.04

Stock price on valuation date

$0.30 - $0.24

$0.15 - $0.04

Risk-free rate

5.10% - 4.82%

5.47% - 5.49%

Term (in years)

0.25 - 0.08

0.08 - 0.01

Rounded annual volatility

145% - 130%

110%