NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q3 2017
Shares 13,446 Value ($000) $866 Avg Close — Range —
Q2 2017
Shares 8,100 Value ($000) $485 Avg Close — Range —
Q4 2016
Shares 10,900 Value ($000) $652 Avg Close — Range —
Q3 2016
Shares 39,071 Value ($000) $2,349 Avg Close — Range —
Q2 2016
Shares 93,802 Value ($000) $6,080 Avg Close — Range —
Q1 2016
Shares 46,581 Value ($000) $2,508 Avg Close — Range —
Q2 2015
Shares 8,453 Value ($000) $357 Avg Close — Range —
Q3 2014
Shares 10,289 Value ($000) $435 Avg Close — Range —
Q2 2014
Shares 45,563 Value ($000) $2,148 Avg Close — Range —
Q1 2014
Shares 16,090 Value ($000) $708 Avg Close — Range —
Q4 2013
Shares 41,375 Value ($000) $1,772 Avg Close — Range —
Q3 2013
Shares 62,646 Value ($000) $2,630 Avg Close — Range —
Q2 2013
Shares 49,131 Value ($000) $2,087 Avg Close — Range —