QUESTAR CORP

CUSIP: 748356102 Class: COM

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q2 2016
Shares 79,987 Value ($000) $2,029 Avg Close — Range —
Q1 2016
Shares 76,199 Value ($000) $1,890 Avg Close — Range —
Q4 2015
Shares 73,234 Value ($000) $1,427 Avg Close — Range —
Q3 2015
Shares 72,265 Value ($000) $1,403 Avg Close — Range —
Q2 2015
Shares 71,218 Value ($000) $1,489 Avg Close — Range —
Q1 2015
Shares 70,682 Value ($000) $1,686 Avg Close — Range —
Q4 2014
Shares 251,907 Value ($000) $6,368 Avg Close — Range —
Q3 2014
Shares 252,160 Value ($000) $5,621 Avg Close — Range —
Q2 2014
Shares 180,555 Value ($000) $4,478 Avg Close — Range —
Q1 2014
Shares 187,621 Value ($000) $4,462 Avg Close — Range —
Q4 2013
Shares 331,408 Value ($000) $7,619 Avg Close — Range —
Q3 2013
Shares 331,740 Value ($000) $7,461 Avg Close — Range —
Q2 2013
Shares 76,470 Value ($000) $1,824 Avg Close — Range —