THE MIP FOR DECEMBER 2025

Provided below is the Monthly Index Price (MIP) for December 2025 for each Operational Impact Area (OIA) for Midcontinent Express for use in valuing Transportation Imbalances.

MIDCONTINENT EXPRESS Pipeline

                                       OIA 2              OIA 3              OIA 4

                                       NGI:                 NGI:               NGI:

                                      NGPL             Col. Gulf          Transco,

                                      Texok               Mainline          Zone 4

Max (owe MEP)         $4.283            $4.512             $5.544  

Min (owe Shipper)     $2.970            $3.150             $3.547                   

The Cashout Procedure for determining the Monthly Index Price (MIP) for each month is described in Section 10.4 of the General Terms and Conditions of Midcontinent Express Pipeline's FERC Natural Gas Tariff.  Shippers should reference their copy of the publication for specific prices used in determining the MIP (currently, “Intelligence Press” “NGI's Daily Gas Price Index”).