MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

Lombard Odier Asset Management (Switzerland) SA's Holding History (CIK: 0001535660)

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

Q4 2014

Shares 132,256 Value ($000) $3,124 Avg Close $6.84 Range $5.78 - $7.67

Q3 2014

Shares 151,168 Value ($000) $4,225 Avg Close $8.38 Range $7.36 - $9.47

Q2 2014

Shares 6,284 Value ($000) $220 Avg Close $9.15 Range $8.68 - $9.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	132,256	$3,124	$6.84	$5.78 - $7.67
Q3 2014	151,168	$4,225	$8.38	$7.36 - $9.47
Q2 2014	6,284	$220	$9.15	$8.68 - $9.59