|Issuer:||BIOLIFE SOLUTIONS INC (BLFS)|
|Original Submission Date:||2021-02-16|
C/O BIOLIFE SOLUTIONS, INC.
3303 MONTE VILLA PARKWAY, SUITE 310 BOTHELL, WA 98021
|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|
|f1||this form 4/a is being filed to amend the form 4 originally filed by the reporting person on february 16, 2021 solely to correct the transaction date in column 2 on table i. no other changes have been made to the original form 4.|
|f2||the sales reported in this form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the reporting person effective as of november 12, 2020.|