PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Richard Bernstein Advisors LLC's Holding History (CIK: 0001528214)

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

Q1 2015

Shares 76,164 Value ($000) $5,331 Avg Close $67.69 Range $57.30 - $74.82

Q4 2014

Shares 76,164 Value ($000) $5,115 Avg Close $65.74 Range $54.97 - $73.46

Q3 2014

Shares 76,164 Value ($000) $5,255 Avg Close $78.24 Range $68.88 - $94.23

Q2 2014

Shares 76,164 Value ($000) $6,239 Avg Close $67.73 Range $58.06 - $83.06

Q1 2014

Shares 70,395 Value ($000) $4,764 Avg Close $74.38 Range $62.09 - $84.00

Q4 2013

Shares 40,602 Value ($000) $2,890 Avg Close $77.51 Range $65.52 - $89.97

Q3 2013

Shares 11,854 Value ($000) $906 Avg Close $69.23 Range $61.46 - $80.66

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	76,164	$5,331	$67.69	$57.30 - $74.82
Q4 2014	76,164	$5,115	$65.74	$54.97 - $73.46
Q3 2014	76,164	$5,255	$78.24	$68.88 - $94.23
Q2 2014	76,164	$6,239	$67.73	$58.06 - $83.06
Q1 2014	70,395	$4,764	$74.38	$62.09 - $84.00
Q4 2013	40,602	$2,890	$77.51	$65.52 - $89.97
Q3 2013	11,854	$906	$69.23	$61.46 - $80.66