QUESTAR CORP

CUSIP: 748356102 Class: COM

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q4 2015
Shares 127,861 Value ($000) $2,491 Avg Close — Range —
Q3 2015
Shares 87,368 Value ($000) $1,696 Avg Close — Range —
Q4 2014
Shares 202,478 Value ($000) $5,119 Avg Close — Range —
Q4 2013
Shares 9,390 Value ($000) $216 Avg Close — Range —
Q3 2013
Shares 9,295 Value ($000) $209 Avg Close — Range —
Q2 2013
Shares 9,030 Value ($000) $215 Avg Close — Range —