CALIX INC

Ticker: CALX CUSIP: 13100M509 Class: EQTY

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

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

Q1 2015

Shares 85,389 Value ($000) $716 Avg Close $8.98 Range $8.09 - $10.63

Q4 2014

Shares 86,044 Value ($000) $862 Avg Close $9.96 Range $8.26 - $11.60

Q3 2014

Shares 108,061 Value ($000) $1,034 Avg Close $9.29 Range $7.67 - $10.92

Q3 2013

Shares 132,009 Value ($000) $1,680 Avg Close $12.24 Range $9.96 - $13.98

Q2 2013

Shares 160,026 Value ($000) $1,616 Avg Close $9.31 Range $7.29 - $10.98

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	85,389	$716	$8.98	$8.09 - $10.63
Q4 2014	86,044	$862	$9.96	$8.26 - $11.60
Q3 2014	108,061	$1,034	$9.29	$7.67 - $10.92
Q3 2013	132,009	$1,680	$12.24	$9.96 - $13.98
Q2 2013	160,026	$1,616	$9.31	$7.29 - $10.98