QUESTAR CORP

CUSIP: 748356102 Class: COM

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q2 2016
Shares 291,600 Value ($000) $7,398 Avg Close — Range —
Q1 2016
Shares 291,600 Value ($000) $6,983 Avg Close — Range —
Q4 2015
Shares 234,800 Value ($000) $4,574 Avg Close — Range —
Q3 2015
Shares 234,800 Value ($000) $4,557 Avg Close — Range —
Q2 2015
Shares 205,200 Value ($000) $4,291 Avg Close — Range —
Q1 2015
Shares 201,300 Value ($000) $4,803 Avg Close — Range —
Q4 2014
Shares 199,400 Value ($000) $5,041 Avg Close — Range —
Q3 2014
Shares 195,000 Value ($000) $4,347 Avg Close — Range —
Q2 2014
Shares 199,300 Value ($000) $4,943 Avg Close — Range —
Q1 2014
Shares 199,300 Value ($000) $4,739 Avg Close — Range —
Q4 2013
Shares 155,800 Value ($000) $3,582 Avg Close — Range —
Q3 2013
Shares 155,800 Value ($000) $3,504 Avg Close — Range —
Q2 2013
Shares 163,400 Value ($000) $3,897 Avg Close — Range —