Projected IT Availability

December 17, 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 December 17, 2025 (current day):

• Joliet to Crown Point                             916,956

• Joliet to Milford Junction                       892,752

• Rover to Dawn                                                0

• Milford Junction to Joliet                     1,226,222

Projected IT-1 by segment available December 18, 2025 (tomorrow):

• Joliet to Crown Point                            1,013,748

• Joliet to Milford Junction                      1,013,748

• Rover to Dawn                                          67,548

• Milford Junction to Joliet                           62,600

*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.