MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

Costello Asset Management, INC's Holding History (CIK: 0001760145)

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

Q4 2025

Shares 920 Value ($000) $18 Avg Close $19.57 Range $17.31 - $21.34

Q3 2025

Shares 916 Value ($000) $16 Avg Close $16.46 Range $15.63 - $17.87

Q2 2025

Shares 1,112 Value ($000) $19 Avg Close $16.45 Range $14.69 - $17.49

Q1 2025

Shares 1,108 Value ($000) $19 Avg Close $16.76 Range $15.90 - $18.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	920	$18	$19.57	$17.31 - $21.34
Q3 2025	916	$16	$16.46	$15.63 - $17.87
Q2 2025	1,112	$19	$16.45	$14.69 - $17.49
Q1 2025	1,108	$19	$16.76	$15.90 - $18.33