FIRST INTST BANCSYSTEM INC

Ticker: FIBK CUSIP: 32055Y201 Class: Common Stock

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

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

Q3 2018

Shares 33 Value ($000) $1 Avg Close $30.14 Range $28.28 - $31.93

Q4 2017

Shares 3,948 Value ($000) $158 Avg Close $25.78 Range $23.94 - $27.43

Q1 2015

Shares 157 Value ($000) $4 Avg Close $16.04 Range $14.64 - $17.23

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	33	$1	$30.14	$28.28 - $31.93
Q4 2017	3,948	$158	$25.78	$23.94 - $27.43
Q1 2015	157	$4	$16.04	$14.64 - $17.23