MDU RES GROUP INC

CUSIP: 55269010 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q3 2016
Shares 374,892 Value ($000) $9,537 Avg Close — Range —
Q2 2016
Shares 651,137 Value ($000) $15,627 Avg Close — Range —
Q1 2016
Shares 407,565 Value ($000) $7,931 Avg Close — Range —
Q4 2015
Shares 20,919 Value ($000) $383 Avg Close — Range —
Q3 2015
Shares 87,800 Value ($000) $1,510 Avg Close — Range —
Q4 2014
Shares 96,060 Value ($000) $2,257 Avg Close — Range —
Q3 2014
Shares 33,573 Value ($000) $934 Avg Close — Range —
Q1 2014
Shares 231,950 Value ($000) $7,958 Avg Close — Range —