FIRST INTST BANCSYSTEM INC

Ticker: FIBK CUSIP: 32055Y201 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2022

Shares 167,826 Value ($000) $6,486 Avg Close $34.12 Range $30.24 - $37.52

Q3 2022

Shares 167,826 Value ($000) $6,772 Avg Close $32.17 Range $29.33 - $35.35

Q2 2022

Shares 167,826 Value ($000) $6,396 Avg Close $28.16 Range $25.41 - $31.07

Q1 2022

Shares 167,826 Value ($000) $6,171 Avg Close $30.77 Range $27.94 - $35.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	167,826	$6,486	$34.12	$30.24 - $37.52
Q3 2022	167,826	$6,772	$32.17	$29.33 - $35.35
Q2 2022	167,826	$6,396	$28.16	$25.41 - $31.07
Q1 2022	167,826	$6,171	$30.77	$27.94 - $35.17