NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

COMMONWEALTH EQUITY SERVICES, LLC's Holding History (CIK: 0000312272)

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

Q3 2018
Shares 21,612 Value ($000) $1,445 Avg Close — Range —
Q2 2018
Shares 21,552 Value ($000) $1,375 Avg Close — Range —
Q1 2018
Shares 19,606 Value ($000) $1,130 Avg Close — Range —
Q4 2017
Shares 22,023 Value ($000) $1,314 Avg Close — Range —