PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Associated Banc-Corp's Holding History (CIK: 0000007789)

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

Q4 2020

Shares 147 Value ($000) $23 Avg Close $141.05 Range $113.62 - $203.88

Q3 2020

Shares 147 Value ($000) $19 Avg Close $131.45 Range $106.69 - $164.99

Q2 2020

Shares 147 Value ($000) $17 Avg Close $102.64 Range $66.01 - $136.85

Q1 2020

Shares 129 Value ($000) $10 Avg Close $92.67 Range $63.19 - $114.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	147	$23	$141.05	$113.62 - $203.88
Q3 2020	147	$19	$131.45	$106.69 - $164.99
Q2 2020	147	$17	$102.64	$66.01 - $136.85
Q1 2020	129	$10	$92.67	$63.19 - $114.75