MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

Plante Moran Financial Advisors, LLC's Holding History (CIK: 0001424717)

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

Q3 2014

Shares 609 Value ($000) $17 Avg Close $8.38 Range $7.36 - $9.47

Q2 2014

Shares 148 Value ($000) $5 Avg Close $9.15 Range $8.68 - $9.59

Q1 2014

Shares 148 Value ($000) $5 Avg Close $8.65 Range $7.84 - $9.29

Q4 2013

Shares 148 Value ($000) $5 Avg Close $7.80 Range $7.24 - $8.15

Q3 2013

Shares 148 Value ($000) $4 Avg Close $7.25 Range $6.78 - $7.90

Q2 2013

Shares 148 Value ($000) $4 Avg Close $6.58 Range $6.07 - $7.05

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	609	$17	$8.38	$7.36 - $9.47
Q2 2014	148	$5	$9.15	$8.68 - $9.59
Q1 2014	148	$5	$8.65	$7.84 - $9.29
Q4 2013	148	$5	$7.80	$7.24 - $8.15
Q3 2013	148	$4	$7.25	$6.78 - $7.90
Q2 2013	148	$4	$6.58	$6.07 - $7.05