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System Wide Notices - MountainWest Pipeline

TSP Name:

MountainWest Pipeline, LLC

TSP:

092027077

Critical:

Y

Notice Type Desc	Post Date/Time	Notice Eff Date/Time	Notice ID	Subject	Rsp Date/Time	Notice Stat	Prior Notice	Reqrd Rsp
PLND OUTAGE/CONSTRAINT/CURTAIL	08/12/2026 10:00 AM	08/25/2026 09:00 AM	38951	UPDATED RESCHEDULED ML 1 - REDUCTIONS FOR SMART PIGGING		2	38911	5

All listed times are CCT

UPDATED RESCHEDULED ML 1 - REDUCTIONS FOR SMART PIGGING

MountainWest Pipeline LLC (MWP) would like to update its customers with the following:

The programming issue with the inspection tool has been resolved. The smart pigging work on ML 1 (Nightingale to Eakin) that was delayed, has been rescheduled to take place starting Timely Cycle August 25, 2026, and lasting through the ID3 Cycle. To facilitate a successful pig run at the correct speeds, The Nightingale ML22 Segment capacity will be reduced from 206,650 Dth/d to 55,000 Dth/d.

If you have any questions, please contact your MWP Marketing or Contract Services Representative or the Customer Service Hotline on 801-584-6034.