ALIGN TECHNOLOGY INC

Ticker: ALGN CUSIP: 016255101 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q3 2016

Shares 7,945 Value ($000) $745 Avg Close $90.43 Range $80.30 - $96.90

Q2 2016

Shares 7,945 Value ($000) $640 Avg Close $76.47 Range $70.03 - $81.98

Q1 2016

Shares 7,945 Value ($000) $578 Avg Close $65.48 Range $57.31 - $73.55

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	7,945	$745	$90.43	$80.30 - $96.90
Q2 2016	7,945	$640	$76.47	$70.03 - $81.98
Q1 2016	7,945	$578	$65.48	$57.31 - $73.55