ALIGN TECHNOLOGY INC

Ticker: ALGN CUSIP: 016255101 Class: COM

WASATCH ADVISORS LP's Holding History (CIK: 0000814133)

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

Q1 2015

Shares 11,982 Value ($000) $644 Avg Close $56.98 Range $51.77 - $64.75

Q4 2014

Shares 42,939 Value ($000) $2,401 Avg Close $52.90 Range $43.27 - $57.72

Q3 2014

Shares 33,620 Value ($000) $1,737 Avg Close $54.46 Range $51.29 - $57.79

Q2 2014

Shares 33,541 Value ($000) $1,880 Avg Close $52.02 Range $47.22 - $57.50

Q1 2014

Shares 33,768 Value ($000) $1,749 Avg Close $55.98 Range $50.37 - $65.10

Q3 2013

Shares 39,042 Value ($000) $1,879 Avg Close $43.65 Range $36.92 - $49.08

Q2 2013

Shares 47,156 Value ($000) $1,747 Avg Close $34.47 Range $29.53 - $38.74

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	11,982	$644	$56.98	$51.77 - $64.75
Q4 2014	42,939	$2,401	$52.90	$43.27 - $57.72
Q3 2014	33,620	$1,737	$54.46	$51.29 - $57.79
Q2 2014	33,541	$1,880	$52.02	$47.22 - $57.50
Q1 2014	33,768	$1,749	$55.98	$50.37 - $65.10
Q3 2013	39,042	$1,879	$43.65	$36.92 - $49.08
Q2 2013	47,156	$1,747	$34.47	$29.53 - $38.74