3-D SYS CORP DEL

Ticker: DDD CUSIP: 88554D205 Class: Stock

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

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

Q1 2019

Shares 25,000 Value ($000) $269 Avg Close $11.88 Range $9.89 - $14.50

Q2 2015

Shares 65,000 Value ($000) $1,296 Avg Close $24.12 Range $19.43 - $32.88

Q4 2014

Shares 60,000 Value ($000) $1,972 Avg Close $36.09 Range $27.46 - $46.15

Q2 2014

Shares 20,000 Value ($000) $1,196 Avg Close $51.33 Range $43.35 - $61.03

Q1 2014

Shares 15,000 Value ($000) $887 Avg Close $74.59 Range $54.63 - $97.28

Q3 2013

Shares 53,050 Value ($000) $2,864 Avg Close $49.48 Range $44.20 - $56.23

Q2 2013

Shares 18,400 Value ($000) $808 Avg Close $41.34 Range $30.07 - $51.94

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	25,000	$269	$11.88	$9.89 - $14.50
Q2 2015	65,000	$1,296	$24.12	$19.43 - $32.88
Q4 2014	60,000	$1,972	$36.09	$27.46 - $46.15
Q2 2014	20,000	$1,196	$51.33	$43.35 - $61.03
Q1 2014	15,000	$887	$74.59	$54.63 - $97.28
Q3 2013	53,050	$2,864	$49.48	$44.20 - $56.23
Q2 2013	18,400	$808	$41.34	$30.07 - $51.94