QUESTAR CORP

CUSIP: 748356102 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q2 2016
Shares 144,526 Value ($000) $3,667 Avg Close — Range —
Q1 2016
Shares 146,646 Value ($000) $3,637 Avg Close — Range —
Q4 2015
Shares 147,031 Value ($000) $2,864 Avg Close — Range —
Q3 2015
Shares 150,233 Value ($000) $2,916 Avg Close — Range —
Q2 2015
Shares 149,901 Value ($000) $3,134 Avg Close — Range —
Q1 2015
Shares 157,221 Value ($000) $3,751 Avg Close — Range —
Q4 2014
Shares 163,351 Value ($000) $4,130 Avg Close — Range —
Q3 2014
Shares 163,871 Value ($000) $3,653 Avg Close — Range —
Q2 2014
Shares 164,141 Value ($000) $4,071 Avg Close — Range —
Q1 2014
Shares 166,897 Value ($000) $3,969 Avg Close — Range —
Q4 2013
Shares 172,037 Value ($000) $3,955 Avg Close — Range —
Q3 2013
Shares 179,044 Value ($000) $4,027 Avg Close — Range —
Q2 2013
Shares 163,520 Value ($000) $3,900 Avg Close — Range —