COLUMBIA BKG SYS INC

Ticker: COLB CUSIP: 197236102 Class: Common Stock

WATER ISLAND CAPITAL LLC's Holding History (CIK: 0001222765)

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

Q2 2017

Shares 129,382 Value ($000) $5,156 Avg Close $26.82 Range $24.90 - $28.62

Q1 2017

Shares 152,604 Value ($000) $5,950 Avg Close $27.57 Range $24.96 - $31.16

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	129,382	$5,156	$26.82	$24.90 - $28.62
Q1 2017	152,604	$5,950	$27.57	$24.96 - $31.16