3-D SYS CORP DEL

Ticker: DDD CUSIP: 88554D205 Class: Stock

SIT INVESTMENT ASSOCIATES INC's Holding History (CIK: 0000769317)

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

Q4 2014

Shares 58,050 Value ($000) $1,908 Avg Close $36.09 Range $27.46 - $46.15

Q3 2014

Shares 148,345 Value ($000) $6,879 Avg Close $52.15 Range $46.05 - $69.56

Q2 2014

Shares 189,590 Value ($000) $11,337 Avg Close $51.33 Range $43.35 - $61.03

Q1 2014

Shares 189,860 Value ($000) $11,230 Avg Close $74.59 Range $54.63 - $97.28

Q4 2013

Shares 207,410 Value ($000) $19,275 Avg Close $70.11 Range $47.33 - $95.40

Q3 2013

Shares 198,060 Value ($000) $10,693 Avg Close $49.48 Range $44.20 - $56.23

Q2 2013

Shares 41,741 Value ($000) $1,832 Avg Close $41.34 Range $30.07 - $51.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	58,050	$1,908	$36.09	$27.46 - $46.15
Q3 2014	148,345	$6,879	$52.15	$46.05 - $69.56
Q2 2014	189,590	$11,337	$51.33	$43.35 - $61.03
Q1 2014	189,860	$11,230	$74.59	$54.63 - $97.28
Q4 2013	207,410	$19,275	$70.11	$47.33 - $95.40
Q3 2013	198,060	$10,693	$49.48	$44.20 - $56.23
Q2 2013	41,741	$1,832	$41.34	$30.07 - $51.94