NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

Pine River Capital Management L.P.'s Holding History (CIK: 0001288136)

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

Q1 2015
Shares 42,350 Value ($000) $2,031 Avg Close — Range —
Q4 2014
Shares 38,070 Value ($000) $1,900 Avg Close — Range —
Q3 2014
Shares 38,070 Value ($000) $1,609 Avg Close — Range —
Q2 2014
Shares 7,125 Value ($000) $336 Avg Close — Range —
Q1 2014
Shares 12,100 Value ($000) $533 Avg Close — Range —