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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
73020	Northwest Natural Gas Co	NWN	Natural Gas Distribution (4924)	930256722

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1383981	M Grant Yoshihara	220 Nw Second Avenue Portland OR 97209	Vp	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2016-06-13	2,000	$44.48	13,609	No	4	M	Direct
Common Stock	Disposition	2016-06-13	2,000	$59.15	11,609	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option to Buy	Acquisiton	2016-06-13	2,000	$0.00	2,000	$44.48

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0		2017-02-28	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	2,369	Indirect	See Footnote

Footnotes

This transaction was executed in multiple trades on reported date with prices ranging from $59.15 - $59.17, resulting in an average price of $59.1510. Northwest Natural Gas Company ("Issuer") will provide upon request by the Commission staff or a security holder of the Issuer full information regarding the number of shares purchased or sold at each separate price.
Shares are held in reporting person's account under Issuer's Retirement K Savings Plan as of May 31, 2016.
The options vested in four equal installments on February 21, 2008, and January 1, 2009, 2010, and 2011.
Option was granted as part of compensation for services. The option was exercised in a cashless exercise.