COLUMBIA BKG SYS INC

Ticker: COLB CUSIP: 197236102 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q3 2018

Shares 552 Value ($000) $21 Avg Close $29.39 Range $27.14 - $30.95

Q2 2018

Shares 138 Value ($000) $6 Avg Close $30.05 Range $27.72 - $31.69

Q4 2017

Shares 10,962 Value ($000) $476 Avg Close $30.37 Range $28.50 - $33.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	552	$21	$29.39	$27.14 - $30.95
Q2 2018	138	$6	$30.05	$27.72 - $31.69
Q4 2017	10,962	$476	$30.37	$28.50 - $33.50