KIRBY CORP

Ticker: KEX CUSIP: 497266106 Class: COM

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q2 2015

Shares 75,050 Value ($000) $5,753 Avg Close $79.24 Range $73.31 - $84.24

Q1 2015

Shares 63,820 Value ($000) $4,790 Avg Close $77.15 Range $70.89 - $82.91

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	75,050	$5,753	$79.24	$73.31 - $84.24
Q1 2015	63,820	$4,790	$77.15	$70.89 - $82.91