NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

DUPONT CAPITAL MANAGEMENT CORP's Holding History (CIK: 0001128251)

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

Q4 2016
Shares 6,655 Value ($000) $398 Avg Close — Range —
Q3 2016
Shares 6,655 Value ($000) $400 Avg Close — Range —
Q2 2016
Shares 10,645 Value ($000) $690 Avg Close — Range —