KIRBY CORP

Ticker: KEX CUSIP: 497266106 Class: COM

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

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

Q4 2013

Shares 4,671 Value ($000) $464 Avg Close $91.83 Range $82.16 - $99.41

Q3 2013

Shares 4,726 Value ($000) $409 Avg Close $83.89 Range $79.15 - $89.19

Q2 2013

Shares 4,183 Value ($000) $333 Avg Close $77.04 Range $71.44 - $82.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	4,671	$464	$91.83	$82.16 - $99.41
Q3 2013	4,726	$409	$83.89	$79.15 - $89.19
Q2 2013	4,183	$333	$77.04	$71.44 - $82.84