NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

WHITTIER TRUST CO OF NEVADA INC's Holding History (CIK: 0001263548)

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

Q3 2018
Shares 500 Value ($000) $33 Avg Close — Range —
Q2 2018
Shares 500 Value ($000) $32 Avg Close — Range —
Q1 2018
Shares 500 Value ($000) $29 Avg Close — Range —