Roosevelt ESD - Maintenance Reminder

TSP Name: Northwest Pipeline LLC TSP: 67977322

Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 08/06/2026 8:22 AM MCT
Notice Eff D/T: 08/06/2026 8:22 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:

Notice ID: 26-146
Prior Notice:
Subject: Roosevelt ESD - Maintenance Reminder

Notice Text:

As posted in the maintenance schedule on Northwest Pipeline's 
website, Northwest will be performing maintenance at the 
following location next week:

- Roosevelt CS: located at MP 1097.6 in Klickitat County, 
        Washington beginning gas day August 10, 2026, through gas 
        day August 14, 2026.

The Roosevelt CS will be limited to 383,000 Dth/d northbound 
and 350,000 Dth/d southbound for the duration of the outage.

If primary nomination requests through the Roosevelt CS exceeds 
the available capacity of 383,000 Dth/d northbound or 350,000 
Dth/d southbound (or whatever NWP cannot mitigate during any 
day of the maintenance), pursuant to Sections 10.2 and 10.3 of 
Rate Schedule TF-1 in Northwest's Tariff, Northwest will give 
notice of a Declared Deficiency Period based on a design 
capacity of 546,000 Dth/d northbound or 414,000 Dth/d 
southbound. The deficiency period will continue until the work 
has been completed.

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.