Northern has scheduled the following service outages that will affect operating capacity within the months of July 2026 through November 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.

Market Area

Allocation Group(s)/Point(s): Waterloo East (Group 773), Earlville East (Group 487), Galena East (Group 463) and Belleville East (Group 488)

Location: Northern’s pipelines and compressor stations between Waterloo, Iowa, and Belleville, Iowa

Project Description: Compressor station and pipeline maintenance

Month: July 2026 through October 2026

Direction of Flow:

Delivery: Waterloo East (Group 773), Earlville East (Group 487), Galena East (Group 463) and Belleville East (Group 488)

Capacity Impact: Northern does not anticipate primary firm service will be impacted for Waterloo East (Group 773), Earlville East (Group 487), Galena East (Group 463) and Belleville East (Group 488).

Revision: Capacity impacts for Waterloo East (Group 773), Earlville East (Group 487), Galena East (Group 463) and Belleville East (Group 488) have been updated for July 2026.

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

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