PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

THOMPSON DAVIS & CO., INC.'s Holding History (CIK: 0001017284)

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

Q2 2018

Shares 50 Value ($000) $6 Avg Close $122.45 Range $111.20 - $136.40

Q4 2014

Shares 80 Value ($000) $5 Avg Close $65.74 Range $54.97 - $73.46

Q3 2014

Shares 75 Value ($000) $5 Avg Close $78.24 Range $68.88 - $94.23

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	50	$6	$122.45	$111.20 - $136.40
Q4 2014	80	$5	$65.74	$54.97 - $73.46
Q3 2014	75	$5	$78.24	$68.88 - $94.23