EGT Capacity Release Offers

                                                                                                                                                                                                                                                    
                                                                                                                                                                                                                                                 
 KEY:530013990                                                                                                                                                                                                                                            
  Transportation Service Provider Name(TSP Name):                    Page     1                                                                                                                                                                           
  Enable Gas Transmission, LLC                                                                                                                                                                                                                            
  Transportation Service Provider(TSP): 87 267 0161                                                                                                                                                                                                       
  Contract Holder(K Holder): 07 953 4838                                                                                                                                                                                                                  
  Contract Holder Name(K Holder Name): BLACK HILLS SERVICE COMPANY, LLC                                                                                                                                                                                   
  Contract Begin Date (K Beg Date): 7/14/2008                                                                                                                                                                                                             
  Contract End Date (K End Date): 3/31/2022                                                                                                                                                                                                               
                        Status  00                                                                                                                                                                                                                        
                        Offer No.  13990                                                                                                                                                                                                                  
                                                                                                                                                                                                                                                          
 Posting Date: 2/20/2025                       Receipt Date: 2/20/2025                                                                                                                                                                                    
 Posting Time: 15:33      Central Time Zone    Receipt Time: 15:19                                                                                                                                                                                        
 Biddable Deal Indicator Description: Biddable deal                                                                                                                                                                                                       
                                                                                                                                                                                                                                                          
 Bid Period Start Date: 2/21/2025      Bid Period Start Time: 9:00                                                                                                                                                                                        
 Bid Period End Date: 2/21/2025          Bid Period End Time: 10:00                                                                                                                                                                                       
 Capacity Award Date/Time: 2/21/2025  11:00                                                                                                                                                                                                               
 Seasonal Start Date: N/A              Seasonal End Date: N/A                                                                                                                                                                                             
 Releaser/Return Addressee:  79 53 4838                                                                                                                                                                                                                   
 Releaser Name/Return Addressee Name: BLACK HILLS SERVICE COMPANY, LLC                                                                                                                                                                                    
 Releaser Contract Number: 1006439                                                                                                                                                                                                                        
 Releaser Contact Name: CATHY WILSON                    Rel Fax: --                                                                                                                                                                                       
 Releaser Contact Phone Number: --                                                                                                                                                                                                                        
 Rel E-mail: cathy.wilson@blackhillscorp.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)                                                                                                                                                                           
   --------          ----------    ----------   ----------        ------------                                                                                                                                                                            
      13990          2             3/1/2025     3/31/2025                  116                                                                                                                                                                            
                     Receipt Zone: NEUT    Delivery Zone: WEST1                                                                                                                                                                                           
  Market-Based Rate Indicator (Mkt Based Rate Ind): N                                                                                                                                                                                                     
     Discount Indicator(Disc Ind): 1                                                                                                                                                                                                                      
  Shorter Term Indicator(Shorter Term): N                                                                                                                                                                                                                 
          Minimum Term (Min Term):                                                                                                                                                                                                                        
   Measurement Basis Description (Meas Basis Desc): Million BTU's                                                                                                                                                                                         
  Releasing Shipper Lesser Quantity Indicator: N                                                                                                                                                                                                          
 Minimum Offer Quantity - Contract: 116                                                                                                                                                                                                                   
          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: Undisclosed                                                                                                                                                                                                            
 Accept Greater Than Max Rate Bid:                                                                                                                                                                                                                        
        Min. Acceptable Res. Rate:         Per Day                                                                                                                                                                                                        
        Min. Acceptable Vol. Rate:            Per Day                                                                                                                                                                                                     
 Minimum Volumetric Commitment Quantity: 58                                                                                                                                                                                                               
  Releasing Shipper's Contingency Indicator(Rel SR Contng): N                                                                                                                                                                                             
        Contingency End Date/Time:                                                                                                                                                                                                                        
  Rate Identification Code (Rate ID): VOL                                                                                                                                                                                                                 
                          Rate Bid:                                                                                                                                                                                                                       
 Maximum Offer Quantity - Contract:         116                                                                                                                                                                                                           
           Bid Quantity - Contract:         116                                                                                                                                                                                                           
               Maximum Tariff Rate:     0.2441                                                                                                                                                                                                            
 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 Gas Transmission, LLC                                                                                                                                                                                                                            
  Transportation Service Provider(TSP): 87 267 0161                                                                                                                                                                                                       
  Contract Holder(K Holder): 07 953 4838                                                                                                                                                                                                                  
  Contract Holder Name(K Holder Name): BLACK HILLS SERVICE COMPANY, LLC                                                                                                                                                                                   
  Contract Begin Date (K Beg Date): 7/14/2008                                                                                                                                                                                                             
  Contract End Date (K End Date): 3/31/2022                                                                                                                                                                                                               
                        Status  00                                                                                                                                                                                                                        
                        Offer No.  13990                                                                                                                                                                                                                  
                                                                                                                                                                                                                                                          
 Previously Released Indicator Description:                                                                                                                                                                                                               
  Offer contains, in total or in part, 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:  2/21/2025   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):                                                                                                                                                                                                                 
 RECALLABLE UPON 24 HOUR NOTICE UNLESS OFO IS CALLED.                                                                                                                                                                                                     
 IF PIPELINE ISSUES OFO, CAPACITY IS RECALLABLE IMMEDIATELY.                                                                                                                                                                                              
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 Business Day Indicator: N                                                                                                                                                                                                                                
 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:                                                                                                                                                                                                                   
 50% LOAD FACTOR IS NOT POINT SPECIFIC BUT RATHER APPLIES TO                                                                                                                                                                                              
 ENTIRE VOLUMETRIC RELEASE ON A MONTHLY BASIS.                                                                                                                                                                                                            
 SECONDARY RECEIPT(S)ELIGIBLE UNDER THIS CAPACITY RELEASE ARE                                                                                                                                                                                             
 ALL GENERALLY AVAILABLE POOLS AND INDIVIDUAL RECEIPT POINTS                                                                                                                                                                                              
 IN THE WEST 1 POOLING AREA.                                                                                                                                                                                                                              
 Source Specific: Yes                                                                                                                                                                                                                                     
 Replacement Shipper may use only Listed Points:  Yes                                                                                                                                                                                                     
 Primary Receipt and Delivery Points may not Change:  Yes                                                                                                                                                                                                 
 Restrict Secondary Points: Yes                                                                                                                                                                                                                           
  Transportation Service Provider Name(TSP Name):                    Page     3                                                                                                                                                                           
  Enable Gas Transmission, LLC                                                                                                                                                                                                                            
  Transportation Service Provider(TSP): 87 267 0161                                                                                                                                                                                                       
  Contract Holder(K Holder): 07 953 4838                                                                                                                                                                                                                  
  Contract Holder Name(K Holder Name): BLACK HILLS SERVICE COMPANY, LLC                                                                                                                                                                                   
  Contract Begin Date (K Beg Date): 7/14/2008                                                                                                                                                                                                             
  Contract End Date (K End Date): 3/31/2022                                                                                                                                                                                                               
                        Status  00                                                                                                                                                                                                                        
                        Offer No.  13990                                                                                                                                                                                                                  
                                                                                                                                                                                                                                                          
  Offer Location Level Rates/Quantity Information                                                                                                                                                                                                         
                                                                                                                                                                                                                                                          
  Location/Quantity Type Indicator Description:                                                                                                                                                                                                           
                 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                                                                                                                                                                         
   -------       -----------    ---------  -----------  -----------     ---------                                                                                                                                                                         
     13990               116        Dth/d      No                58        No                                                                                                                                                                             
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
               Location (Loc): 771001      (D)                                                                                                                                                                                                            
     Location Name(Loc Name): BLACK HILLS @ WINFIELD                                                                                                                                                                                                      
   Location OBA Indicator Description: No OBA is in effect                                                                                                                                                                                                
       Location Zone(Loc Zn): WEST1                                                                                                                                                                                                                       
                                                                                                                                                                                                                                                          
               Location(Loc):                                                                                                                                                                                                                             
     Location Name(Loc Name):                                                                                                                                                                                                                             
   Location OBA Indicator Description:                                                                                                                                                                                                                    
       Location Zone(Loc Zn):                                                                                                                                                                                                                             
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
     Bid Quantity - Location:         116                                                                                                                                                                                                                 
  Releaser Designation of Acceptable Bidding Basis Description:                                                                                                                                                                                           
 Non-Index-Based Release - Absolute dollars and cents per unit basis                                                                                                                                                                                      
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
            Lesser Rates Allowed: Undisclosed                                                                                                                                                                                                             
           Max. Reservation Rate:                                                                                                                                                                                                                         
           Min. Reservation Rate:                                                                                                                                                                                                                         
            Min. Reservation Pct:                                                                                                                                                                                                                         
            Max. Volumetric Rate:                                                                                                                                                                                                                         
            Min. Volumetric Rate: 0.02000                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                          
 Minimum Volumetric Commitment Percentage:                                                                                                                                                                                                                
 Minimum Volumetric Commitment Percentage Evaluation Indicator: Y                                                                                                                                                                                         
 Minimum Acceptable Volumetric Commitment Percentage:                                                                                                                                                                                                     
                                                                                                                                                                                                                                                          
 Minimum Acceptable Volumetric Load Factor Percentage: 50.00000                                                                                                                                                                                           
  Rate Form/Type Code Description:                                                                                                                                                                                                                        
   Volumetric charge only                                                                                                                                                                                                                                 
  Transportation Service Provider Name(TSP Name):                    Page     4                                                                                                                                                                           
  Enable Gas Transmission, LLC                                                                                                                                                                                                                            
  Transportation Service Provider(TSP): 87 267 0161                                                                                                                                                                                                       
  Contract Holder(K Holder): 07 953 4838                                                                                                                                                                                                                  
  Contract Holder Name(K Holder Name): BLACK HILLS SERVICE COMPANY, LLC                                                                                                                                                                                   
  Contract Begin Date (K Beg Date): 7/14/2008                                                                                                                                                                                                             
  Contract End Date (K End Date): 3/31/2022                                                                                                                                                                                                               
                        Status  00                                                                                                                                                                                                                        
                        Offer No.  13990