Northwest Pipeline LLC NOTICE #29018 Jackson Prairie update - IT injections not allowed posted on May 20 2019 9:39AM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: Y Notice Stat Desc: INITIATE Notice Type Desc: STORAGE Post D/T: 05/20/2019 9:39 AM MCT Notice Eff D/T: 05/20/2019 9:39 AM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 19-095 Prior Notice: Subject: Jackson Prairie update - IT injections not allowed Notice Text: Due to high inventory levels at the Jackson Prairie storage facility (JP), Northwest is no longer accepting IT storage injections at JP beginning gas day May 22, 2019. Northwest is not currently requesting SGS-2I storage customers vacate the facility. Northwest will provide notice to begin the interruptible service vacate process when the Jackson Prairie facility balance is approximately 90 percent full. Discretion will be used to determine the percentage each interruptible storage customer will be required to vacate allowing Northwest to meet its firm obligations at the facility. Upon said notice, SGS-2I shippers will have seven (7) days to comply. Northwest would also like to remind its shippers that the storage inventory levels as well as Park and Loan availability is posted each morning on Northwest's website at www.northwest.williams.com. Please contact your Marketing Services Representative or the Northwest Pipeline Hotline at (801) 584-7301 if you have any questions. GV/TH