NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

SCHRODER INVESTMENT MANAGEMENT GROUP's Holding History (CIK: 0001086619)

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

Q4 2017
Shares 2,900 Value ($000) $173 Avg Close — Range —
Q3 2017
Shares 2,900 Value ($000) $188 Avg Close — Range —
Q2 2017
Shares 4,100 Value ($000) $245 Avg Close — Range —
Q2 2014
Shares 500 Value ($000) $23,575 Avg Close — Range —