MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

GRIFFIN ASSET MANAGEMENT, INC.'s Holding History (CIK: 0000883803)

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

Q3 2017
Shares 8,200 Value ($000) $213 Avg Close $7.77 Range $7.44 - $8.20
Q2 2017
Shares 8,200 Value ($000) $215 Avg Close $7.92 Range $7.51 - $8.25
Q3 2014
Shares 8,200 Value ($000) $228 Avg Close $8.38 Range $7.36 - $9.47
Q2 2014
Shares 8,200 Value ($000) $288 Avg Close $9.15 Range $8.68 - $9.59
Q1 2014
Shares 8,200 Value ($000) $281 Avg Close $8.65 Range $7.84 - $9.29
Q4 2013
Shares 8,200 Value ($000) $251 Avg Close $7.80 Range $7.24 - $8.15
Q3 2013
Shares 8,200 Value ($000) $229 Avg Close $7.25 Range $6.78 - $7.90
Q2 2013
Shares 8,200 Value ($000) $212 Avg Close $6.58 Range $6.07 - $7.05