QUESTAR CORP

CUSIP: 748356102 Class: COM

GW&K Investment Management, LLC's Holding History (CIK: 0001082917)

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

Q2 2016
Shares 9,280 Value ($000) $235 Avg Close — Range —
Q1 2016
Shares 427,125 Value ($000) $10,593 Avg Close — Range —
Q4 2015
Shares 952,065 Value ($000) $18,546 Avg Close — Range —
Q3 2015
Shares 963,383 Value ($000) $18,699 Avg Close — Range —
Q2 2015
Shares 893,247 Value ($000) $18,678 Avg Close — Range —
Q1 2015
Shares 1,103,101 Value ($000) $26,320 Avg Close — Range —
Q4 2014
Shares 1,056,643 Value ($000) $26,712 Avg Close — Range —
Q3 2014
Shares 965,031 Value ($000) $21,511 Avg Close — Range —
Q2 2014
Shares 936,016 Value ($000) $23,213 Avg Close — Range —
Q1 2014
Shares 932,297 Value ($000) $22,170 Avg Close — Range —
Q4 2013
Shares 908,158 Value ($000) $20,879 Avg Close — Range —
Q3 2013
Shares 878,895 Value ($000) $19,766 Avg Close — Range —
Q2 2013
Shares 846,702 Value ($000) $20,194 Avg Close — Range —