TSP Name: ENABLE GAS TRANSMISSION, LLC TSP: 87-267-0161 Amend Rptg Desc: All Data Svc Req K: 1006462 K Holder Name: BLACK HILLS SERVICE COMPANY, LLC K Holder: 079 53 4838 Affil Desc: NONE Tracking No: 0052705 K Stat: A Post Date: 5/27/2025 Post Time: 1524589 K Qty-K: 15000 Contract Duration Contract Entitlement IT Qty-K: 0 K Beg Date K End Date K Ent Beg Date K Ent Beg Time K Roll: Y 7/14/2008 3/31/2028 6/1/2025 0900000 Min Vol Qty - Non-Cap Rel: K Ent End Date K Ent End Time Min Vol Pct - Non-Cap Rel: 0.00 4/1/2028 0859000 Cap Type Name: Primary Transaction Term Begin Date Transaction Term End Date: 6/1/2025 3/31/2028 Loc Purp Loc Zn Loc Loc Name Desc ------- ------ ------------------------- ----------------------------------------------------------------- West 1 013898 WEST 1 POOLING AREA Receipt Location Loc K Max Press: Loc K Min Press: K Qty - Loc: 10000 It Qty - Loc: Neutral 013896 NEUTRAL POOLING AREA Receipt Location Loc K Max Press: Loc K Min Press: K Qty - Loc: 5000 It Qty - Loc: West 1 011974 BLACK HILLS @ HUNNEWELL Delivery Location Loc K Max Press: Loc K Min Press: K Qty - Loc: 14499 It Qty - Loc: West 1 771001 BLACK HILLS @ WINFIELD Delivery Location Loc K Max Press: Loc K Min Press: K Qty - Loc: 250 It Qty - Loc: West 1 805241 BLACK HILLS TB/RE DEL Delivery Location Loc K Max Press: Loc K Min Press: K Qty - Loc: 250 It Qty - Loc: West 1 771000 BLACK HILLS - TAP Delivery Location Loc K Max Press: Loc K Min Press: K Qty - Loc: 1 It Qty - Loc: Rate Sch: NNTS Seasnl St: 0/0/0 Seasnl End: 0/0/0 Rpt Lvl Desc: Point Res Rate Basis Desc: Per Day Rate Form/Type Desc: Blended Rate(combination of reservation and volumetric charges) Rate Rate Chgd Max Trf Max Trf Rate Ngtd Rate Mkt Based Chgd Ref Rate Ref Desc Ind Desc Rate Ind Disc Beg Date Disc End Date --------- --- ------- -------------- --------- --------- ------------- ------------- 00.306300 Max 0.3063 Tariff No N Loc/QTI Desc: Receipt point(s) to delivery point(s) quantity Rate ID: 141 Surchg ID Desc: Compressor Usage Surcharge Surchg Ind Desc: Rate(s) stated do not include any applicable surcharges; surcharge detail and surcharge total provided Tot Surchg: 0.00270 Terms/Notes: If specific Pooling Area Pools are indicated as Receipt Locations, the reference is to all generally available Pools and Additional Individual Receipt Points in such Pooling Area. Max Trf Rate and Rate Chgd expressed as blended rates derived by adding the Commodity Charge and the unitized Reservation Charge, calculated on an assumed 100% load factor basis based on K Holder's K Qty-K, unless otherwise stated. K Holder pays Reservation Charge regardless of quantities transported. After Contract Duration/Entitlement End Date, transaction continues year-to-year unless and until terminated by written notice given by either party to the other party at least 180 days prior to the end of the primary term or any extended term thereafter. Compressor Usage Surcharge (CUS), if applicable, is subject to change semi-annually and/or subject to FERC approval. Absent designation of MRO's for any specific Point of Receipt, Transporter shall have no obligation to permit Shipper to utilize any such Point of Receipt or to receive any specific quantities on Shipper's behalf at such point. Shipper agrees that it will source its flowing supplies in accordance with Transporter's instructions. Pursuant to Section 2.9 of Rate Schedule NNTS, Transporter agrees that it shall not require the installation of flow control devices at the Hunnewell Primary Delivery Point listed hereunder serving Shipper's distribution system so long as (i) the total deliveries at such point do not exceed, or do not exceed by such a margin that, in Transporter's reasonable judgment, it would present undue operational risks to Transporter's system or other customers, the historical level of deliveries at such point experienced by Transporter, and (ii) operational conditions on Transporter's system, as determined by Transporter in its reasonable judgment, do not change materially. Pursuant to Section 2.10 of Rate Schedule NNTS, the parties agree that during Transporter's planned operational outages at the Delivery Points under the NNTS Agreement, Transporter will furnish, at its sole expense, rented CNG tank trucks and/or CNG bottles (not including the cost of the commodity), as Transporter deems appropriate, to maintain the availability of No-Notice service within applicable Contract Limitations; provided, however, such obligation shall not apply if other natural gas supplies are readily available to Shipper at physical interconnections between Shipper and Transporter to maintain service in the affected distribution system. Pursuant to Section 21.10, GT&C, of the Tariff, the parties have agreed to an extension of the term with respect to all of the capacity committed under the Service Agreement being amended and extended.