BIOLIFE SOLUTIONS INC

Ticker: BLFS CUSIP: 09062W204 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q4 2021

Shares 5,874 Value ($000) $219 Avg Close $42.92 Range $32.03 - $58.80

Q3 2021

Shares 100 Value ($000) $4 Avg Close $48.16 Range $41.73 - $60.67

Q2 2021

Shares 400 Value ($000) $18 Avg Close $35.23 Range $28.15 - $45.59

Q1 2021

Shares 278 Value ($000) $10 Avg Close $39.54 Range $32.84 - $47.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	5,874	$219	$42.92	$32.03 - $58.80
Q3 2021	100	$4	$48.16	$41.73 - $60.67
Q2 2021	400	$18	$35.23	$28.15 - $45.59
Q1 2021	278	$10	$39.54	$32.84 - $47.97