X0306 4 2023-01-03 0000834365 BIOLIFE SOLUTIONS INC BLFS 0001837756 Aebersold Sarah C/O BIOLIFE SOLUTIONS, INC. 3303 MONTE VILLA PARKWAY, SUITE 310 BOTHELL WA 98021 1 VP, Global Human Resources Common Stock 2023-01-03 4 A 0 12450 A 44541 D Restricted Stock Award 0 2023-01-03 4 A 0 12450 0 A Common Stock 12450 12450 D The restricted stock was granted pursuant to the BioLife Solutions 2013 Performance Incentive Plan (the "Plan") and vests 25% on the first anniversary of the grant date and thereafter quarterly, in 12 equal quarterly installments. The restricted stock was granted to the reporting person as part of 2023 compensation. The restricted stock was granted pursuant to the Plan. The restricted stock will vest as to between 0% and 200% of the reported number of shares in Column 5 based on the registrant's total shareholder return during the period beginning on January 1, 2023 through December 31, 2024 as compared to the total shareholder return of certain of the registrant's peers (such peers have been determined by the registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date) and will vest on the date on which the registrant's board of directors determine the total shareholder return for the period. /s/ Sarah Aebersold 2023-01-10