QUESTAR CORP

CUSIP: 748356102 Class: COM

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q4 2015
Shares 23,756 Value ($000) $463 Avg Close — Range —
Q3 2015
Shares 29,756 Value ($000) $578 Avg Close — Range —
Q2 2015
Shares 29,412 Value ($000) $616 Avg Close — Range —