QUESTAR CORP

CUSIP: 748356102 Class: COM

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q2 2016
Shares 314,865 Value ($000) $7,988 Avg Close — Range —
Q1 2016
Shares 311,065 Value ($000) $7,714 Avg Close — Range —
Q4 2015
Shares 327,665 Value ($000) $6,383 Avg Close — Range —
Q3 2015
Shares 327,865 Value ($000) $6,364 Avg Close — Range —
Q2 2015
Shares 327,865 Value ($000) $6,856 Avg Close — Range —
Q1 2015
Shares 322,265 Value ($000) $7,689 Avg Close — Range —
Q4 2014
Shares 323,465 Value ($000) $8,177 Avg Close — Range —
Q3 2014
Shares 328,065 Value ($000) $7,313 Avg Close — Range —
Q2 2014
Shares 328,665 Value ($000) $8,151 Avg Close — Range —
Q1 2014
Shares 342,815 Value ($000) $8,152 Avg Close — Range —
Q4 2013
Shares 346,665 Value ($000) $7,970 Avg Close — Range —
Q3 2013
Shares 353,765 Value ($000) $7,956 Avg Close — Range —
Q2 2013
Shares 354,565 Value ($000) $8,456 Avg Close — Range —