Prearranged Firm Transportation Agreement

August 5, 2026

Pursuant to Section 5.8(j) of the General Terms and Conditions (GT&C)of MRTs FERC Gas Tariff, notice is hereby given of a pre-arranged transaction. This pre-arranged transaction consists of 8,513 Dth/day of primary receipt point capacity at the MRT-NGPL Madison receipt meter (92136). The primary path associated with this firm transportation capacity is from the MRT-NGPL Madison receipt to the Spire Aggregate delivery point (805526) in MRTs Market Zone. This pre-arranged transaction is effective as of the first day of the month following the in service of facilities described in FERC Docket CP26-2 for a primary term through July 31, 2031, at MRTs maximum tariff rate.

Customers desiring to bid on this capacity must do so through a silent auction by completing the attached Request Form. The Bidding Period for this capacity will begin at 10:00 a.m. Central Clock Time, August 5, 2026, and end at 5:00 p.m., Central Clock Time, August 11, 2026. Bids must be received by 5:00 p.m. Central Clock Time, August 11 by emailing a completed Request Form to Mike.Stoll@energytransfer.com. Bids may be withdrawn, revised, and/or modified prior to the end of the Bidding Period at which time bids become binding and may not be withdrawn or modified. Bidders may not withdraw a bid and resubmit a bid with a lesser value. MRT will only consider revenues generated by the reservation charges and/or, if a Negotiated Rate is so bid, guaranteed transportation volumes as proposed by Bidders.

The pre-arranged customer will have a one-time right to match any higher bid or combination of bids in order to obtain the capacity. MRT will notify the pre-arranged customer by 2:00 p.m. Central Clock Time, if practicable, the business day following the end of the Bidding Period of any higher bid or combination of bids. The pre-arranged customer must respond to MRT by the later of 2:30 p.m. Central Clock Time or 30 minutes after receipt of notification. MRT will post a notice on its Internet website identifying the party to whom the capacity was awarded.

Bidders willing to accept a prorata allocation of capacity, in the event MRT is unable to satisfy their full request, should indicate so on the Request Form.

The award of the firm transportation capacity posted herein is subject to all terms and conditions of MRTs FERC Gas Tariff, as amended from time to time. Consistent with Section 5.9(e) of the GT&C, MRT will evaluate and determine the best bid(s) received based on the incremental revenue expected to be produced, lost, or affected if the request for service is accepted. The determination of incremental revenues to MRT shall be based upon the formula set forth in Section 5.9(e) of MRTs GT&C. In addition, MRT shall also take into account the following objective and non-discriminatory factors: operational efficiencies or inefficiencies that would result if the request for service is accepted, backhaul or forward haul transportation characteristics, and the amount of unsold capacity (stranded costs) that would result if the request or aggregated requests are accepted. Contingent upon the Bidder meeting MRTs creditworthiness standards as set forth in Section 26 of the GT&C, MRT agrees to waive, on a non-discriminatory basis, Section 15.4(b) of the GT&C, which requires that all valid requests for firm service be accompanied by a prepayment.

Questions regarding this posting or the bid process should be directed to Mike Stoll at (314) 602-9509.

ENABLE MISSISSIPPI RIVER TRANSMISSION, LLC

REQUEST FORM

Company Name: ________________________________ (Bidder)

Firm Market Zone Capacity of 8,513 Dth/Day from NGPL Madison to one or more Market Zone delivery points

Volume: ______________ (Dth/Day)

Effective Date: Termination Date: __________

Rate: ________

Bidder is willing to accept a prorata allocation of capacity in the event MRT is unable to satisfy the full request.

No ______ Yes ______ If Yes, the minimum acceptable volume is:

_____________ (Dth/Day)

This bid may be withdrawn, revised, and/or modified prior to the end of the Bidding Period posted on MRTs Internet website, at which time it shall be a binding offer which may not be withdrawn or modified.

If, pursuant to the procedures set forth in Section 5.9 of the GT&C, the capacity requested herein is awarded to Bidder, Bidder agrees to meet all terms and conditions of MRTs tariff and to execute a service agreement with MRT which is consistent with and incorporates the terms and conditions stated herein.

Submitted by:___________________ Address: __________________

Signature: ___________________ Telephone: ________________

Title: ___________________

Please email completed form by 5:00 p.m. Central Clock Time,

August 11, 2026 to:

ENABLE-MISSISSIPPI RIVER TRANSMISSION, LLC

Mike.Stoll@energytransfer.com