Northwest Pipeline LLC NOTICE #32297 Jackson Prairie Maintenance Reminder posted on Jul 14 2025 9:03AM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: Y Notice Stat Desc: INITIATE Notice Type Desc: MAINTENANCE Post D/T: 07/13/2025 10:14 PM MCT Notice Eff D/T: 07/13/2025 10:14 PM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 25-098 Prior Notice: Subject: Jackson Prairie Maintenance Reminder Notice Text:

Puget Sound Energy, operator of Jackson Prairie (JP) storage 

facility, has notified Northwest that maintenance will be 
performed at JP beginning July 18, 2025, through July 26, 2025.

The facility will be shut-in and neither withdrawals nor 
injections will be available during this period.

Due to Northwest’s limited balance flexibility during this 
time, please stay on rate and avoid drafting or banking the 
system during this outage. For those with the need for
system balancing, Northwest will work with you to adjust those 
balances prior to or after the JP outage. 

Please reference the Maintenance Schedule tab at 
www.northwest.williams.com for more information.

If you have any questions, please call your Commercial Services 
Representative or the hotline at 713-215-6301.