QUESTAR CORP

CUSIP: 748356102 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q1 2016
Shares 18,134 Value ($000) $450 Avg Close — Range —
Q4 2015
Shares 57,539 Value ($000) $1,121 Avg Close — Range —
Q3 2015
Shares 83,379 Value ($000) $1,619 Avg Close — Range —
Q2 2015
Shares 47,850 Value ($000) $1,001 Avg Close — Range —
Q1 2015
Shares 96,124 Value ($000) $2,293 Avg Close — Range —
Q4 2014
Shares 148,085 Value ($000) $3,744 Avg Close — Range —
Q3 2014
Shares 285,544 Value ($000) $6,365 Avg Close — Range —
Q2 2014
Shares 285,110 Value ($000) $7,070 Avg Close — Range —
Q1 2014
Shares 250,719 Value ($000) $5,962 Avg Close — Range —
Q4 2013
Shares 29,482 Value ($000) $678 Avg Close — Range —
Q3 2013
Shares 13,579 Value ($000) $305 Avg Close — Range —
Q2 2013
Shares 5,311 Value ($000) $127 Avg Close — Range —