FIRST INTST BANCSYSTEM INC

Ticker: FIBK CUSIP: 32055Y201 Class: Common Stock

Nuveen, LLC's Holding History (CIK: 0001871926)

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

Q4 2025

Shares 308,309 Value ($000) $10,667 Avg Close $32.13 Range $28.33 - $35.91

Q3 2025

Shares 310,320 Value ($000) $9,890 Avg Close $30.08 Range $26.44 - $33.09

Q2 2025

Shares 280,809 Value ($000) $8,093 Avg Close $25.62 Range $21.60 - $28.14

Q1 2025

Shares 1,144,719 Value ($000) $32,796 Avg Close $28.99 Range $25.84 - $31.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	308,309	$10,667	$32.13	$28.33 - $35.91
Q3 2025	310,320	$9,890	$30.08	$26.44 - $33.09
Q2 2025	280,809	$8,093	$25.62	$21.60 - $28.14
Q1 2025	1,144,719	$32,796	$28.99	$25.84 - $31.59