MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

E. Ohman J:or Asset Management AB's Holding History (CIK: 0002009396)

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

Q3 2015
Shares 3,400 Value ($000) $58 Avg Close $4.95 Range $4.48 - $5.44
Q2 2015
Shares 3,400 Value ($000) $66 Avg Close $5.79 Range $5.30 - $6.32
Q1 2015
Shares 3,400 Value ($000) $73 Avg Close $6.06 Range $5.47 - $6.65
Q4 2014
Shares 3,400 Value ($000) $81 Avg Close $6.84 Range $5.78 - $7.67
Q3 2014
Shares 3,400 Value ($000) $95 Avg Close $8.38 Range $7.36 - $9.47
Q2 2014
Shares 3,400 Value ($000) $119 Avg Close $9.15 Range $8.68 - $9.59
Q1 2014
Shares 3,400 Value ($000) $117 Avg Close $8.65 Range $7.84 - $9.29
Q4 2013
Shares 3,400 Value ($000) $103 Avg Close $7.80 Range $7.24 - $8.15
Q3 2013
Shares 3,400 Value ($000) $95 Avg Close $7.25 Range $6.78 - $7.90
Q2 2013
Shares 3,400 Value ($000) $88 Avg Close $6.58 Range $6.07 - $7.05
Q1 2013
Shares 6,800 Value ($000) $170 Avg Close $6.06 Range $5.54 - $6.49
Q4 2012
Shares 2,800 Value ($000) $59 Avg Close — Range —
Q3 2012
Shares 2,800 Value ($000) $62 Avg Close — Range —
Q2 2012
Shares 2,800 Value ($000) $61 Avg Close — Range —
Q1 2012
Shares 2,800 Value ($000) $63 Avg Close — Range —
Q4 2011
Shares 2,800 Value ($000) $60 Avg Close — Range —
Q3 2011
Shares 2,800 Value ($000) $54 Avg Close — Range —
Q2 2011
Shares 2,800 Value ($000) $63 Avg Close — Range —
Q1 2011
Shares 2,800 Value ($000) $64 Avg Close — Range —
Q4 2010
Shares 2,800 Value ($000) $57 Avg Close — Range —
Q3 2010
Shares 2,800 Value ($000) $56 Avg Close — Range —
Q2 2010
Shares 2,800 Value ($000) $50 Avg Close — Range —
Q1 2010
Shares 2,800 Value ($000) $60 Avg Close — Range —
Q4 2009
Shares 2,800 Value ($000) $66 Avg Close — Range —
Q3 2009
Shares 2,800 Value ($000) $58 Avg Close — Range —
Q2 2009
Shares 2,800 Value ($000) $53 Avg Close — Range —
Q4 2008
Shares 2,800 Value ($000) $60 Avg Close — Range —
Q3 2008
Shares 2,800 Value ($000) $81 Avg Close — Range —
Q2 2008
Shares 2,800 Value ($000) $0 Avg Close — Range —