MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

CRAMER ROSENTHAL MCGLYNN LLC's Holding History (CIK: 0000820743)

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

Q4 2014

Shares 1,783,112 Value ($000) $41,903 Avg Close $6.84 Range $5.78 - $7.67

Q3 2014

Shares 1,463,667 Value ($000) $40,705 Avg Close $8.38 Range $7.36 - $9.47

Q2 2014

Shares 1,547,365 Value ($000) $54,313 Avg Close $9.15 Range $8.68 - $9.59

Q1 2014

Shares 1,818,920 Value ($000) $62,407 Avg Close $8.65 Range $7.84 - $9.29

Q4 2013

Shares 1,445,225 Value ($000) $44,152 Avg Close $7.80 Range $7.24 - $8.15

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	1,783,112	$41,903	$6.84	$5.78 - $7.67
Q3 2014	1,463,667	$40,705	$8.38	$7.36 - $9.47
Q2 2014	1,547,365	$54,313	$9.15	$8.68 - $9.59
Q1 2014	1,818,920	$62,407	$8.65	$7.84 - $9.29
Q4 2013	1,445,225	$44,152	$7.80	$7.24 - $8.15