QUESTAR CORP

CUSIP: 748356102 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q2 2016
Shares 386,500 Value ($000) $9,806 Avg Close — Range —
Q1 2016
Shares 249,150 Value ($000) $6,179 Avg Close — Range —
Q4 2015
Shares 65,000 Value ($000) $1,266 Avg Close — Range —
Q3 2015
Shares 65,000 Value ($000) $1,262 Avg Close — Range —
Q2 2015
Shares 65,000 Value ($000) $1,359 Avg Close — Range —
Q1 2015
Shares 65,000 Value ($000) $1,551 Avg Close — Range —
Q4 2014
Shares 65,000 Value ($000) $1,643 Avg Close — Range —
Q3 2014
Shares 65,000 Value ($000) $1,449 Avg Close — Range —
Q2 2014
Shares 65,000 Value ($000) $1,612 Avg Close — Range —
Q1 2014
Shares 68,000 Value ($000) $1,617 Avg Close — Range —
Q4 2013
Shares 68,000 Value ($000) $1,563 Avg Close — Range —
Q3 2013
Shares 68,000 Value ($000) $1,529 Avg Close — Range —
Q2 2013
Shares 70,000 Value ($000) $1,670 Avg Close — Range —