PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Catalyst Capital Advisors LLC's Holding History (CIK: 0001549275)

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

Q4 2018

Shares 5,200 Value ($000) $587 Avg Close $123.33 Range $101.03 - $163.03

Q3 2018

Shares 5,650 Value ($000) $914 Avg Close $141.47 Range $115.95 - $166.60

Q2 2018

Shares 6,900 Value ($000) $821 Avg Close $122.45 Range $111.20 - $136.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	5,200	$587	$123.33	$101.03 - $163.03
Q3 2018	5,650	$914	$141.47	$115.95 - $166.60
Q2 2018	6,900	$821	$122.45	$111.20 - $136.40