Docket No:  UG 484 Docket Name:  NW NATURAL ADVICE NO. 23-17 TSA CAPITAL AND COST OF SERVICE Submit Public Comment Subject Company:  NORTHWEST NATURAL     In the Matter of NORTHWEST NATURAL GAS COMPANY dba NW NATURAL, Transportation Security Administration Security Directive 2 Start-up Operation and Maintenance Costs, Schedule 180 and Schedule 189. Filed by Kyle Walker. Sent to Gas Industry List. Filing Date:   Advice No: 23-17B    Public Mtg: 10/26/2023    Effective:  11/1/2023 Expiration:   Status:  ALLOWED Case Manager:  LUZ MONDRAGON Phone:  503-510-4687 Email:   luz.mondragon@puc.oregon.gov Email Service List (semi-colon delimited)      Email Service List (comma delimited)   If you experience problems with the above 'Email Service List' links, please try one of these: Service List Popup (semi-colon delimited)     Service List Popup (comma delimited) General information about Tariff Filings.

ACTIONS SERVICE LIST (Parties) SCHEDULE Public Comments C=Confidential HC=Highly Confidential Sort by Last Name      Sort by Party Name       LORA BOURDO       NORTHWEST NATURAL 250 SW TAYLOR ST PORTLAND OR 97204 lora.bourdo@nwnatural.com       MARLI KLASS       OREGON DEPARTMENT OF JUSTICE 1162 COURT STREET NE SALEM OR 97301-4096 marli.klass@doj.oregon.gov       LUZ MONDRAGON       PUBLIC UTILITY COMMISSION OF OREGON PO BOX 1088 SALEM OR 97308-1088 luz.mondragon@puc.oregon.gov       Share NW NATURAL       NORTHWEST NATURAL 250 SW TAYLOR ST PORTLAND OR 97204 efiling@nwnatural.com       JOHANNA RIEMENSCHNEIDER       Oregon Department of Justice BUSINESS ACTIVITIES SECTION 1162 COURT ST NE SALEM OR 97301-4796 johanna.riemenschneider@doj.oregon.gov