QUESTAR CORP

CUSIP: 748356102 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q4 2013
Shares 43,150 Value ($000) $992 Avg Close — Range —
Q3 2013
Shares 43,150 Value ($000) $970 Avg Close — Range —
Q2 2013
Shares 43,150 Value ($000) $1,029 Avg Close — Range —