FIRST INTST BANCSYSTEM INC

Ticker: FIBK CUSIP: 32055Y201 Class: Common Stock

Heritage Trust Co's Holding History (CIK: 0001706028)

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

Q4 2018

Shares 71 Value ($000) $3 Avg Close $28.30 Range $23.64 - $31.56

Q3 2018

Shares 71 Value ($000) $3 Avg Close $30.14 Range $28.28 - $31.93

Q2 2018

Shares 71 Value ($000) $3 Avg Close $28.23 Range $25.92 - $30.31

Q1 2018

Shares 71 Value ($000) $3 Avg Close $27.27 Range $25.33 - $28.53

Q4 2017

Shares 71 Value ($000) $3 Avg Close $25.78 Range $23.94 - $27.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	71	$3	$28.30	$23.64 - $31.56
Q3 2018	71	$3	$30.14	$28.28 - $31.93
Q2 2018	71	$3	$28.23	$25.92 - $30.31
Q1 2018	71	$3	$27.27	$25.33 - $28.53
Q4 2017	71	$3	$25.78	$23.94 - $27.43