MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

LORD, ABBETT & CO. LLC's Holding History (CIK: 0000728100)

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

Q1 2014

Shares 134,956 Value ($000) $4,630 Avg Close $8.65 Range $7.84 - $9.29

Q4 2013

Shares 123,156 Value ($000) $3,762 Avg Close $7.80 Range $7.24 - $8.15

Q3 2013

Shares 126,256 Value ($000) $3,531 Avg Close $7.25 Range $6.78 - $7.90

Q2 2013

Shares 123,256 Value ($000) $3,194 Avg Close $6.58 Range $6.07 - $7.05

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	134,956	$4,630	$8.65	$7.84 - $9.29
Q4 2013	123,156	$3,762	$7.80	$7.24 - $8.15
Q3 2013	126,256	$3,531	$7.25	$6.78 - $7.90
Q2 2013	123,256	$3,194	$6.58	$6.07 - $7.05