QUESTAR CORP

CUSIP: 748356102 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q2 2016
Shares 64,490 Value ($000) $1,636 Avg Close — Range —
Q1 2016
Shares 68,590 Value ($000) $1,701 Avg Close — Range —
Q4 2015
Shares 61,190 Value ($000) $1,192 Avg Close — Range —
Q3 2015
Shares 56,800 Value ($000) $1,102 Avg Close — Range —
Q2 2015
Shares 42,700 Value ($000) $893 Avg Close — Range —
Q1 2015
Shares 42,700 Value ($000) $1,019 Avg Close — Range —
Q4 2014
Shares 64,775 Value ($000) $1,638 Avg Close — Range —
Q3 2014
Shares 52,400 Value ($000) $1,168 Avg Close — Range —
Q2 2014
Shares 47,300 Value ($000) $1,173 Avg Close — Range —
Q1 2014
Shares 45,700 Value ($000) $1,087 Avg Close — Range —
Q4 2013
Shares 62,400 Value ($000) $1,435 Avg Close — Range —
Q3 2013
Shares 53,000 Value ($000) $1,192 Avg Close — Range —
Q2 2013
Shares 67,600 Value ($000) $1,612 Avg Close — Range —