FIRST INTST BANCSYSTEM INC

Ticker: FIBK CUSIP: 32055Y201 Class: Common Stock

HoldCo Asset Management, LP's Holding History (CIK: 0001724246)

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

Q4 2025

Shares 3,950,107 Value ($000) $136,674 Avg Close $32.13 Range $28.33 - $35.91

Q3 2025

Shares 3,950,107 Value ($000) $125,890 Avg Close $30.08 Range $26.44 - $33.09

Q2 2025

Shares 3,570,107 Value ($000) $102,890 Avg Close $25.62 Range $21.60 - $28.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,950,107	$136,674	$32.13	$28.33 - $35.91
Q3 2025	3,950,107	$125,890	$30.08	$26.44 - $33.09
Q2 2025	3,570,107	$102,890	$25.62	$21.60 - $28.14