Transaction Details

Footnotes

Each restricted stock unit represents a contingent right to receive one share of Sana Biotechnology, Inc. ("Sana") common stock. | The restricted stock units vest in four equal installments on each of February 17, 2027, 2028, 2029 and 2030, provided that the reporting person provides continuous service to Sana as an employee, consultant, director or officer of Sana through each such date. | The option vests and becomes exercisable as to 25% of the underlying shares on February 17, 2027 and in 36 equal monthly installments thereafter, provided that the reporting person provides continuous service to Sana as an employee, consultant, director or officer of Sana through each such date.