NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

BECKER CAPITAL MANAGEMENT INC's Holding History (CIK: 0000799004)

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

Q2 2018
Shares 3,326 Value ($000) $212 Avg Close — Range —
Q4 2017
Shares 4,199 Value ($000) $250 Avg Close — Range —
Q4 2016
Shares 3,775 Value ($000) $226 Avg Close — Range —
Q3 2016
Shares 3,775 Value ($000) $227 Avg Close — Range —
Q2 2016
Shares 3,775 Value ($000) $245 Avg Close — Range —
Q1 2016
Shares 3,980 Value ($000) $214 Avg Close — Range —