3-D SYS CORP DEL

Ticker: DDD CUSIP: 88554D205 Class: Stock

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q4 2013

Shares 8,312 Value ($000) $772 Avg Close $70.11 Range $47.33 - $95.40

Q3 2013

Shares 132,242 Value ($000) $7,140 Avg Close $49.48 Range $44.20 - $56.23

Q2 2013

Shares 148,244 Value ($000) $6,508 Avg Close $41.34 Range $30.07 - $51.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	8,312	$772	$70.11	$47.33 - $95.40
Q3 2013	132,242	$7,140	$49.48	$44.20 - $56.23
Q2 2013	148,244	$6,508	$41.34	$30.07 - $51.94