DOOLITTLE LEA ANNE [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Ownership	Reported
08/10/2018	NORTHWEST NATURAL GAS CO	NWN	Sale	Common Stock	3k	$64.22	$192.7k		08/10/2018
08/10/2018	NORTHWEST NATURAL GAS CO	NWN	Exercise	Employee Stock Option to Buy	3k	$41.15	$123.4k		08/10/2018
03/01/2018	NORTHWEST NATURAL GAS CO	NWN	Payment of Exercise	Common Stock	306	$52.15	$16k		03/01/2018
03/01/2018	NORTHWEST NATURAL GAS CO	NWN	Payment of Exercise	Common Stock	254	$52.15	$13.2k		03/01/2018
03/01/2018	NORTHWEST NATURAL GAS CO	NWN	Payment of Exercise	Common Stock	24	$52.15	$1.3k	See Footnote	03/01/2018
02/21/2018	NORTHWEST NATURAL GAS CO	NWN	Grant	Common Stock	71	$0.00	$0	See Footnote	02/21/2018
02/21/2018	NORTHWEST NATURAL GAS CO	NWN	Grant	Common Stock	459	$0.00	$0	See Footnote	02/21/2018
02/21/2018	NORTHWEST NATURAL GAS CO	NWN	Grant	Common Stock	1.1k	$0.00	$0		02/21/2018
02/21/2018	NORTHWEST NATURAL GAS CO	NWN	Grant	Common Stock	356	$0.00	$0	See Footnote	02/21/2018
02/21/2018	NORTHWEST NATURAL GAS CO	NWN	Grant	Common Stock	882	$0.00	$0		02/21/2018
06/13/2017	NORTHWEST NATURAL GAS CO	NWN	Exercise	Employee Stock Option to Buy	4k	$43.29	$173.2k		06/13/2017
06/13/2017	NORTHWEST NATURAL GAS CO	NWN	Sale	Common Stock	4k	$62.04	$248.1k		06/13/2017
03/13/2017	NORTHWEST NATURAL GAS CO	NWN	Exercise	Employee Stock Option to Buy	1.2k	$43.29	$51.9k	See Footnote	03/13/2017
03/13/2017	NORTHWEST NATURAL GAS CO	NWN	Exercise	Employee Stock Option to Buy	1000	$41.15	$41.2k	See Footnote	03/13/2017
03/13/2017	NORTHWEST NATURAL GAS CO	NWN	Exercise	Employee Stock Option to Buy	1000	$44.25	$44.2k	See Footnote	03/13/2017
03/13/2017	NORTHWEST NATURAL GAS CO	NWN	Sale	Common Stock	1.2k	$58.00	$69.6k	See Footnote	03/13/2017
03/13/2017	NORTHWEST NATURAL GAS CO	NWN	Sale	Common Stock	1000	$58.00	$58k	See Footnote	03/13/2017
12/30/2016	NORTHWEST NATURAL GAS CO	NWN	Sale	Common Stock	600	$59.73	$35.8k	See Footnote	12/30/2016
12/30/2016	NORTHWEST NATURAL GAS CO	NWN	Exercise	Employee Stock Option to Buy	600	$44.48	$26.7k	See Footnote	12/30/2016
03/06/2013	NORTHWEST NATURAL GAS CO	NWN	Payment of Exercise	Common Stock	7	$44.01	$308.1	See Footnote	03/06/2013
03/06/2013	NORTHWEST NATURAL GAS CO	NWN	Payment of Exercise	Common Stock	89	$44.01	$3.9k		03/06/2013
03/06/2013	NORTHWEST NATURAL GAS CO	NWN	Payment of Exercise	Common Stock	169	$44.01	$7.4k		03/06/2013
02/22/2012	NORTHWEST NATURAL GAS CO	NWN	Grant	Common Stock	544	$0.00	$0		02/22/2012