Northwest Pipeline LLC NOTICE #28964 Muddy Creek Compressor Repair posted on Mar 28 2019 1:47PM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: Y Notice Stat Desc: INITIATE Notice Type Desc: MAINTENANCE Post D/T: 03/28/2019 1:47 PM MCT Notice Eff D/T: 03/28/2019 1:47 PM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 19-070 Prior Notice: Subject: Muddy Creek Compressor Repair Notice Text: Northwest will be performing unplanned maintenance on its Muddy Creek compressor station March 29 - April 12, 2019. During this maintenance, the northbound operational available capacity is estimated at 539,000 Dth/d. If Northwest is unable to meet its primary firm obligations, Northwest will declare a Deficiency Period pursuant to Sections 10.2 and 10.3 of Rate Schedule TF-1 in Northwest's Tariff. The maintenance schedule on Northwest's website has been updated to reflect this change. To access the schedule, please use the following link: http://www.northwest.williams.com/NWP_Portal/MaintSched.action?mode=dwnld If you have questions or need assistance in accessing the maintenance schedule, please contact your Marketing Services Representative or call the hotline at (801) 584-7301. NWP MS/MR