MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

COUNTRY TRUST BANK's Holding History (CIK: 0001209324)

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

Q4 2025

Shares 1,950 Value ($000) $38 Avg Close $19.57 Range $17.31 - $21.34

Q3 2025

Shares 1,950 Value ($000) $35 Avg Close $16.46 Range $15.63 - $17.87

Q2 2025

Shares 1,950 Value ($000) $33 Avg Close $16.45 Range $14.69 - $17.49

Q2 2019

Shares 1,350 Value ($000) $35 Avg Close $7.99 Range $7.59 - $8.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,950	$38	$19.57	$17.31 - $21.34
Q3 2025	1,950	$35	$16.46	$15.63 - $17.87
Q2 2025	1,950	$33	$16.45	$14.69 - $17.49
Q2 2019	1,350	$35	$7.99	$7.59 - $8.30