3-D SYS CORP DEL

Ticker: DDD CUSIP: 88554D205 Class: Stock

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q1 2014

Shares 17,000 Value ($000) $1,006 Avg Close $74.59 Range $54.63 - $97.28

Q4 2013

Shares 68,500 Value ($000) $6,366 Avg Close $70.11 Range $47.33 - $95.40

Q3 2013

Shares 118,500 Value ($000) $6,398 Avg Close $49.48 Range $44.20 - $56.23

Q2 2013

Shares 117,750 Value ($000) $5,169 Avg Close $41.34 Range $30.07 - $51.94

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	17,000	$1,006	$74.59	$54.63 - $97.28
Q4 2013	68,500	$6,366	$70.11	$47.33 - $95.40
Q3 2013	118,500	$6,398	$49.48	$44.20 - $56.23
Q2 2013	117,750	$5,169	$41.34	$30.07 - $51.94