NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

DEROY & DEVEREAUX PRIVATE INVESTMENT COUNSEL INC's Holding History (CIK: 0001278678)

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

Q2 2015
Shares 5,000 Value ($000) $211 Avg Close — Range —
Q1 2015
Shares 5,000 Value ($000) $240 Avg Close — Range —
Q4 2014
Shares 5,000 Value ($000) $250 Avg Close — Range —
Q3 2014
Shares 5,000 Value ($000) $211 Avg Close — Range —
Q2 2014
Shares 5,000 Value ($000) $236 Avg Close — Range —
Q1 2014
Shares 5,000 Value ($000) $220 Avg Close — Range —
Q4 2013
Shares 5,000 Value ($000) $214 Avg Close — Range —
Q3 2013
Shares 5,000 Value ($000) $210 Avg Close — Range —
Q2 2013
Shares 5,000 Value ($000) $212 Avg Close — Range —