December 24, 2025                                                                                                                            TIME: 1: 00 PM CT

TO:        ALL TENNESSEE GAS PIPELINE COMPANY, L.L.C. CUSTOMERS

RE:       SUCCESSFUL BIDDER FROM AVAILABLE FIRM CAPACITY (OPEN SEASON #1425)

Tennessee Gas Pipeline Company, L.L.C. (“Tennessee”) held an open season in accordance with Article XXVI, Section 5 of the General Terms and Conditions of its FERC Gas Tariff, which commenced at 1:00 PM CT on Friday, December 19, 2025 and closed at 2:00 PM CT on Tuesday, December 23, 2025. All final bids received in compliance with the terms and conditions of the open season were evaluated using the factors posted in the Open Season.

The winning bidder is not affiliated with Tennessee.

The winning bidder is as follows:

SERVICE REQUESTOR:         CASTLETON COMMODITIES MERCHANT TRADING L.P.

TERM:                                     January 1, 2026 through February 28, 2026
DISCOUNTED:                        Yes
VOLUME:                               50,000 Dth/d
RECEIPT POINT:                    420826 – POOLING PT – 100 LEG – ZN 0-NORTH

DELIVERY:                              420865 – POOLING PT – 100 LEG – ZONE 2

NPV/Dth:                               $14.859 / Dth

For further information, please contact a Marketing Representative:

Chris Brown          (713) 420-6201

Britton Burr          (713) 420-6838

Kevin Cofer           (713) 420-7010

Allison Kaczynski (713) 420-2414

Scott Minear         (713) 420-5177

Aaron O'Reilly      (713) 420-2418

Greg Pollard          (713) 420-7149

Cesar Saldana       (713) 420-2643

E-mail                     TGPBidroom@kindermorgan.com