NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

PARADIGM ASSET MANAGEMENT CO LLC's Holding History (CIK: 0001034549)

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

Q2 2015
Shares 3,900 Value ($000) $164,502 Avg Close — Range —
Q1 2015
Shares 3,900 Value ($000) $187,005 Avg Close — Range —
Q4 2014
Shares 3,900 Value ($000) $194,610 Avg Close — Range —
Q3 2014
Shares 3,900 Value ($000) $164,775 Avg Close — Range —
Q2 2014
Shares 3,700 Value ($000) $174,455 Avg Close — Range —