QUESTAR CORP

CUSIP: 748356102 Class: COM

NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC's Holding History (CIK: 0001629649)

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

Q2 2016
Shares 311,551 Value ($000) $7,904 Avg Close — Range —
Q1 2016
Shares 365,373 Value ($000) $9,061 Avg Close — Range —
Q4 2015
Shares 183,370 Value ($000) $3,572 Avg Close — Range —
Q3 2015
Shares 183,370 Value ($000) $3,559 Avg Close — Range —
Q2 2015
Shares 183,370 Value ($000) $3,834 Avg Close — Range —
Q1 2015
Shares 183,370 Value ($000) $4,375 Avg Close — Range —