QUESTAR CORP

CUSIP: 748356102 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q2 2016
Shares 781,742 Value ($000) $19,832 Avg Close — Range —
Q1 2016
Shares 782,725 Value ($000) $19,412 Avg Close — Range —
Q4 2015
Shares 799,662 Value ($000) $15,580 Avg Close — Range —
Q3 2015
Shares 784,731 Value ($000) $15,230 Avg Close — Range —
Q2 2015
Shares 782,174 Value ($000) $16,357 Avg Close — Range —
Q1 2015
Shares 726,350 Value ($000) $17,330 Avg Close — Range —
Q4 2014
Shares 701,185 Value ($000) $17,729 Avg Close — Range —
Q3 2014
Shares 627,127 Value ($000) $13,980 Avg Close — Range —
Q2 2014
Shares 615,418 Value ($000) $15,261 Avg Close — Range —
Q1 2014
Shares 594,286 Value ($000) $14,131 Avg Close — Range —
Q4 2013
Shares 585,874 Value ($000) $13,469 Avg Close — Range —
Q3 2013
Shares 587,489 Value ($000) $13,212 Avg Close — Range —
Q2 2013
Shares 574,812 Value ($000) $13,710 Avg Close — Range —