|Issuer:||SURROZEN, INC./DE (SRZN)|
|Original Submission Date:|
C/O SURROZEN, INC.
171 OYSTER POINT BLVD., SUITE 400 SOUTH SAN FRANCISCO, CA 94080
|Title of Security||Transaction Date||2a. Deemed Execution Date||Transaction Code||Shares||Acquired or Disposed||Price per share||5. Amount of Securities Beneficially Owned Following Reported Transaction||6. Ownership Form Direct or Indirect||Nature of Indirect Ownership|
|Title of Derivative Security||Conversion or Exercise Price of Derivative Security||Transaction Date||Deemed Execution Date||Transaction Code||Number of Derivative Securities Acquired (A) or Disposed of (D)||Date Exercisable||Expiration Date||Title and Amount of Securities Underlying Derivative Security||Price of Derivative Security||Number of derivative Securities Beneficially Owned Following Reported Transaction(s)||Ownership Form: Direct (D) or Indirect (I)||Nature of Indirect Beneficial Ownership|
|OPTION (RIGHT TO BUY)||0.7001||2023-02-01||deemed execution date||A||125,000 (a)||2023-02-01||2033-02-01||common stock 125,000||$0.70||125,000||direct|
|f1||the shares subject to the options vest and become exercisable in a series of 48 equal monthly installments beginning on 2/1/2023, subject to the reporting person's continued employment through the applicable vesting date.|