NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

ProShare Advisors LLC's Holding History (CIK: 0001357955)

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

Q3 2018
Shares 113,785 Value ($000) $7,612 Avg Close — Range —
Q2 2018
Shares 115,421 Value ($000) $7,364 Avg Close — Range —
Q1 2018
Shares 132,863 Value ($000) $7,660 Avg Close — Range —
Q4 2017
Shares 121,390 Value ($000) $7,241 Avg Close — Range —
Q3 2017
Shares 113,187 Value ($000) $7,289 Avg Close — Range —
Q2 2017
Shares 120,271 Value ($000) $7,198 Avg Close — Range —
Q1 2017
Shares 121,601 Value ($000) $7,187 Avg Close — Range —
Q4 2016
Shares 104,512 Value ($000) $6,250 Avg Close — Range —
Q3 2016
Shares 49,273 Value ($000) $2,962 Avg Close — Range —
Q2 2016
Shares 34,977 Value ($000) $2,267 Avg Close — Range —
Q1 2016
Shares 16,307 Value ($000) $878 Avg Close — Range —
Q4 2015
Shares 8,757 Value ($000) $443 Avg Close — Range —
Q3 2015
Shares 6,836 Value ($000) $313 Avg Close — Range —
Q2 2015
Shares 6,004 Value ($000) $253 Avg Close — Range —
Q1 2015
Shares 7,471 Value ($000) $358 Avg Close — Range —
Q4 2014
Shares 6,410 Value ($000) $320 Avg Close — Range —
Q3 2014
Shares 11,358 Value ($000) $480 Avg Close — Range —
Q2 2014
Shares 15,370 Value ($000) $725 Avg Close — Range —
Q1 2014
Shares 28,744 Value ($000) $1,265 Avg Close — Range —
Q3 2013
Shares 18,015 Value ($000) $756 Avg Close — Range —
Q2 2013
Shares 18,828 Value ($000) $800 Avg Close — Range —