KEY:600005301 Transportation Service Provider Name(TSP Name) Page 1 Enable Mississippi River Transmission, LLC Transportation Service Provider(TSP): 00 696 8077 Contract Holder(K Holder) 00 693 6017 Contract Holder Name(K Holder Name)AMEREN ILLINOIS COMPANY DBA Contract Begin Date (K Beg Date): 5/1/2004 Contract End Date (K End Date): 5/15/2026 Status 00 Capacity Offer 5301 Posting Date: 3/11/2025 Receipt Date: 3/11/2025 Posting Time: 15:39 Central Time Zone Receipt Time: 12:42 Biddable Deal Indicator Description: Biddable deal Bid Period Start Date: 3/12/2025 Bid Period Start Time: 9:00 Bid Period End Date: 3/12/2025 Bid Period End Time: 10:00 Capacity Award Date/Time: 3/12/2025 11:00 Seasonal Start Date: N/A Seasonal End Date: N/A Releaser/Return Addressee: 6 93 6017 Releaser Name/Return Addressee Name: AMEREN ILLINOIS COMPANY DBA Releaser Contract Number: 3620 Releaser Contact Name: RYAN MCKINNEY Rel Fax: 314 554 3800 Releaser Contact Phone Number: 618 301 5236 Rel E-mail: rmckinney@ameren.com Pipeline Contact: CUMMINGS, MONIQUE D. Phone: 713 989 7959 Replacement Shipper Role Indicator: OTH Location/Quantity Release Term Release Term Maximum Offer Offer Number Type Indicator Start Date End Date Quantity-Contract (Offer No) (Loc/QTI) (Rel St Date)(Rel End Date) (Max Offer Qty-K) -------- ---------- ---------- ---------- ------------ 5301 3 4/1/2025 10/31/2025 10000 Receipt Zone: FIELD Delivery Zone: MARKT Market-Based Rate Indicator (Mkt Based Rate Ind): N Discount Indicator(Disc Ind): Shorter Term Indicator(Shorter Term): N Minimum Term (Min Term): 10000 Measurement Basis Description (Meas Basis Desc): Million BTU's Releasing Shipper Lesser Quantity Indicator: N Minimum Offer Quantity - Contract: 10000 Rate Schedule (Rate Sch): FT - Firm Transportation Reservation Rate Basis Description (Res Rate Basis Desc): Per day Surcharge Indicator/Surcharge Indicator Description: 5 - Rate(s) stated include only rates; no surcharges applicable Surcharge Identification Code: Total Surcharges: Overrun Responsibility Indicator (Ovr Resp Ind): RPS Negotiated Rate: No Rate Type Priority: Reservation Bids Have Priority Pct. or Dollar Bids: Accept Less Than Max Rate Bid: Yes Accept Greater Than Max Rate Bid: Min. Acceptable Res. Rate: 0.0600 Per Day Min. Acceptable Vol. Rate: Per Day Minimum Volumetric Commitment Quantity: Releasing Shipper's Contingency Indicator(Rel SR Contng): N Contingency End Date/Time: Rate Identification Code (Rate ID): RES Rate Bid: Maximum Offer Quantity - Contract: 10000 Bid Quantity - Contract: 10000 Maximum Tariff Rate: 0.2817 Percentage of Maximum Tariff Rate Bid: 100% Pressure Base: 14.73 Pounds Per Square Inch (PSI) Pressure Base Indicator Description: Pounds Per Square Inch Absolute Minimum Acceptable Percentage of Maximum Tariff Rate: 0% Minimum Acceptable Rate: 0.0 Minimum Rate Disclosure Indicator Description: Disclosed Storage Inventory-Conditioned Release Indicator: No IBR Index-Based Capacity Release Indicator (IBR Ind): N Transportation Service Provider Name(TSP Name) Page 2 Enable Mississippi River Transmission, LLC Transportation Service Provider(TSP): 00 696 8077 Contract Holder(K Holder) 00 693 6017 Contract Holder Name(K Holder Name)AMEREN ILLINOIS COMPANY DBA Contract Begin Date (K Beg Date): 5/1/2004 Contract End Date (K End Date): 5/15/2026 Status 00 Capacity Offer 5301 Previously Released Indicator Description: Offer does not contain any capacity which was previously released. Allowable Re-release Indicator Description: Not re-releasable Permanent Release Indicator Description: Offer not made available for permanent release Prearranged Deal Indicator Description: Offer is subject to a prearranged deal Affiliate Indicator: None Prearranged Deal Match Date/Time: 3/12/2025 11:30 Bid Evaluation Method Indicator Description: Highest Rate Bid Evaluation Method: Bid Tie-breaking Method: Pipeline's Method Referenced Recall/Reput Indicator Description (Recall/Reput Desc): Capacity recallable and reput must be taken by Replacement Shipper. Recall/Reput Terms (Recall/Reput Terms): SEE BELOW Business Day Indicator: Y Recall Notification Period Indicator - Early Evening: Y Recall Notification Period Indicator - Evening: Y Recall Notification Period Indicator - Intraday 1: Y Recall Notification Period Indicator - Intraday 2: Y Recall Notification Period Indicator - Intraday 3: Y Recall Notification Period Indicator - Timely: Y Stand-alone Offer Indicator: Y Standard Terms: No Special Terms and Miscellaneous Notes: The Replacement Shipper's nominated and allocated volumes must not result increase in the rates otherwise paid by Ameren Illinois pursuant to any or negotiated rate agreement applicable to the capacity being released. The replacement shipper will be responsible for all penalties or UP-charg the use of capacity which WILL be billed by Ameren Illinois. PRIMARY DELIVERY POINTS CANNOT BE CHANGED WITHOUT PRIOR APPROVAL BY AMEREN ILLINOIS Transportation Service Provider Name(TSP Name) Page 3 Enable Mississippi River Transmission, LLC Transportation Service Provider(TSP): 00 696 8077 Contract Holder(K Holder) 00 693 6017 Contract Holder Name(K Holder Name)AMEREN ILLINOIS COMPANY DBA Contract Begin Date (K Beg Date): 5/1/2004 Contract End Date (K End Date): 5/15/2026 Status 00 Capacity Offer 5301 Offer Location Level Rates/Quantity Information Location/Quantity Type Indicator Description: Receipt point(s) to delivery point(s) quantity Location Purpose: MQ Location Purpose Description: Delivery Location Maximum Offer Minimum Offer Offer Number Quantity-Location Quantity Lesser Quantity - Location Segment (Offer No) (Max Offer Qty-Loc) Basis Quantity (Min Offer Qty-Loc) Indicator ------- ----------- --------- ----------- ----------- --------- 5301 10000 Dth/d No 10000 Yes Location (Loc): 12745 (D) Location Name(Loc Name): DUKE @ PERRYVILLE REC Location OBA Indicator Description: An OBA is in effect Location Zone(Loc Zn): FIELD Location(Loc): 805535 (D) Location Name(Loc Name): AMEREN IL AGGREGATE Location OBA Indicator Description: No OBA is in effect Location Zone(Loc Zn): MARKT Bid Quantity - Location: 10000 Releaser Designation of Acceptable Bidding Basis Description: Non-Index-Based Release - Absolute dollars and cents per unit basis Lesser Rates Allowed: Yes Max. Reservation Rate: 0.28170 Min. Reservation Rate: 0.06000 Min. Reservation Pct: Max. Volumetric Rate: Min. Volumetric Rate: Minimum Volumetric Commitment Percentage: Minimum Volumetric Commitment Percentage Evaluation Indicator: Y Minimum Acceptable Volumetric Commitment Percentage: Minimum Acceptable Volumetric Load Factor Percentage: Rate Form/Type Code Description: Reservation charge only Transportation Service Provider Name(TSP Name) Page 4 Enable Mississippi River Transmission, LLC Transportation Service Provider(TSP): 00 696 8077 Contract Holder(K Holder) 00 693 6017 Contract Holder Name(K Holder Name)AMEREN ILLINOIS COMPANY DBA Contract Begin Date (K Beg Date): 5/1/2004 Contract End Date (K End Date): 5/15/2026 Status 00 Capacity Offer 5301