Docket No:  UM 2363 Docket Name:  NW NATURAL UPDATED DEPRECIATED STUDY Submit Public Comment * This docket is a contested case. See the Internal Operating Guidelines and OAR 860-001 Subject Company:  NORTHWEST NATURAL     In the Matter of NORTHWEST NATURAL GAS COMPANY, dba NW NATURAL, Updated Depreciation Study. Filed by Kyle Walker. Copies served to Gas Industry List. Filing Date:  12/30/2024       Case Manager:  MING PENG Phone:  503-508-3040 Email:   ming.peng@puc.oregon.gov Law Judge:  SARAH SPRUCE Phone:  (971) 388-6275   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)

ACTIONS SERVICE LIST SCHEDULE Public Comments Date/Time Event Description 11/1/2025 EFFECTIVE DATE/ STATUTORY DEADLINE 8/28/2025 3:00:00 PM BRIEF DUE Simultaneous Reply Briefs 8/14/2025 3:00:00 PM BRIEF DUE Simultaneous Opening Briefs 7/31/2025 9:30:00 AM HEARING Details to be provided 7/17/2025 3:00:00 PM TESTIMONY/EXHIBITS DUE All Party Reply Testimony 7/1/2025 SETTLEMENT CONFERENCE Staff to Provide Notice 6/25/2025 3:00:00 PM TESTIMONY/EXHIBITS DUE All Party Testimony 6/9/2025 SETTLEMENT CONFERENCE Staff to Provide Notice 5/22/2025 3:00:00 PM MISCELLANEOUS Staff and Intervenor Settlement Proposal 3/6/2025 STAFF WORKSHOP Staff to Provide Notice 2/27/2025 3:00:00 PM PETITION TO INTERVENE DUE 2/11/2025 3:00:00 PM MISCELLANEOUS Proposed Schedule due by 3pm.