TSP Name:                                  Northern Natural Gas Company
TSP:                                       784158214
Notice ID:                                 107747
Notice Type:                               Planned Service Outage
Subject:                                   PLANNED SERVICE OUTAGES - JUNE 2026 THROUGH OCTOBER 2026
Location:                                  MARKET AND FIELD AREA
Critical:                                  N
Post Date/Time:                            06/09/2026 11:10 AM
Notice Status:                             Supersede
Prior Notice:                              107654
For Gas Day(s):                            06/09/2026 - 10/31/2026
Notice Effective Date/Time:                06/09/2026 11:10 AM
Notice End Date/Time:                      11/01/2026 08:59 AM
Required Response Indicator Description:   5-No response required

Notice Text: 


Northern has scheduled the
following service outages that will affect operating capacity within the months
of June 2026 through October 2026. Please review the Planned Service Outage Summary for detailed information related to each
outage.



A brief description of the
most recent change(s) to the Planned Service Outage Summary follows.



Field Area

Allocation Group(s)/Point(s): Beaver North (Group 1025), Beaver C & Beaver North (Group 1080), Brownfield North (Group 1022), Pampa North (Group 1023), Beaver C System (Group 31) and Mitchell to Gaines (Group 825)

Location: Northern's compressor stations and pipeline between
Florey, Texas, and Mullinville, Kansas

Project Description: Compressor station and pipeline maintenance 

Month: June 2026 through July 2026

Direction of Flow: 

Delivery: Beaver North (Group 1025),
Beaver C & Beaver North (Group 1080), Brownfield North (Group 1022) and
Pampa North (Group 1023)

Receipt:
Beaver C System (Group 31) and Mitchell to Gaines (Group 825)

Capacity Impact: Northern anticipates
primary firm service will be impacted for Brownfield North (Group 1022) and Mitchell
to Gaines (Group 825). Northern does
not anticipate primary firm service will be impacted for Beaver C and Beaver
System North (Group 1080) and Pampa North (Group 1023). Primary firm service
will not be impacted for Beaver North (Group 1025) and Beaver C System (Group
31). 

Revision: Capacity impacts for Beaver
C and Beaver System North (Group 1080), Brownfield North (Group 1022), Pampa
North (Group 1023) and Beaver C System (Group 31) have been updated for June
2026.





Please see Operationally
Available Capacity on Northern's website for current flow information and the Field
Area Group Allocation Maps andMarket
Area Group Allocation Maps for a list of impacted points.



If you have any questions, contact your customer service or
marketing representative.