Northwest Pipeline LLC NOTICE #28552 Cisco Compressor Update posted on Sep 20 2018 3:00PM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: Y Notice Stat Desc: INITIATE Notice Type Desc: OTHER Post D/T: 09/20/2018 3:00 PM MCT Notice Eff D/T: 09/20/2018 3:00 PM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 18-088 Prior Notice: Subject: Cisco Compressor Update Notice Text: Northwest communicated in All Shipper Notice 18-087, that it will be performing stress relief work in the Cisco to Rangely corridor September 20 through October 3. Northwest has determined that the Cisco compressor northbound operational capacity will remain at it's design capacity of 286,000 Dth/d on September 24-25, instead of the reduced amount that was previously communicated. Northwest will mitigate the work to the extent possible by working with its interconnecting partner and utilizing its storage flexibility. If Northwest is unable to successfully mitigate all of the primary Nominations, it will declare a deficiency period pursuant to Sections 10.2 and 10.3 of Rate Schedule TF-1 in Northwest's Tariff. If you have any questions, please call your Marketing Services Representative or the hotline at 713-215-6301. MS/JR