Projected IT Availability

September 9, 2025

Note: Vector's "Traditional Joliet to Dawn" longhaul availability can be determined by using the lesser of the "Joliet to Milford Junction" or the "Rover to Dawn" segment.

Projected IT-1 by segment available September 9, 2025 (current day):

• Joliet to Crown Point                          1,142,632

• Joliet to Milford Junction                     1,142,632

• Rover to Dawn                                     479,565

• Milford Junction to Joliet                     1,226,222

Projected IT-1 by segment available September 10, 2025 (tomorrow):

• Joliet to Crown Point                            1,043,292

• Joliet to Milford Junction                      1,013,704

• Rover to Dawn                                         68,090

• Milford Junction to Joliet                         847,430

*All volumes are in Dekatherms

Projected IT-1 available volumes are estimated based on current operational conditions and are made available solely for informational purposes only and nothing contained in this posting shall be construed as an offer of service. Vector does not guarantee the availability of IT-1 service to any party at any time.