EGT Bids on Capacity

                                                                                                                                                                                                                                                    
                                                                                                                                                                                                                                                 
 TSP Name: Enable Gas Transmission, LLC                           Page     1                                                                                                                                                                              
 Transportation Service Provider(TSP): 87 267 0161                                                                                                                                                                                                        
 K Holder: 79534838                                                                                                                                                                                                                                       
 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: Original                                                                                                                                                                                                                                         
 Bid Number(Bid No)1            Offer Number(Offer No) 14026                                                                                                                                                                                              
 Bidder Name(Bidder Name): CONSTELLATION ENERGY GENERATION                                                                                                                                                                                                
    LLC                                                                                                                                                                                                                                                   
 Bidder Proprietary Code(Bidder Prop): 363693                                                                                                                                                                                                             
 Bidder Contact Name(Bidder Contact): CRAIG KAMPS                                                                                                                                                                                                         
 Posting Date: 4/23/2025                        Bid Receipt Date: 4/23/2025                                                                                                                                                                               
 Posting Time: 14:18      Central Time Zone     Bid Receipt Time: 13:26                                                                                                                                                                                   
 Seasonal Start Date: N/A                       Seasonal End Date: N/A                                                                                                                                                                                    
 Releaser: 7  953 4838                                                                                                                                                                                                                                    
 Releaser Name: BLACK HILLS SERVICE COMPANY, LLC                                                                                                                                                                                                          
 Releaser Contact Name: CATHY WILSON                                                                                                                                                                                                                      
 Releaser Contact Fax Number: --                                                                                                                                                                                                                          
 Releaser Contact Phone Number(Rel Phone): --                                                                                                                                                                                                             
 Releaser Contact E-Mail Address: cathy.wilson@blackhillscorp.com                                                                                                                                                                                         
                                                                                                                                                                                                                                                          
                           Bidder Rel   Bidder Rel       Bid                                                                                                                                                                                              
     Parcel     Loc Purp     Term St     Term End       Qty-K                                                                                                                                                                                             
     -------  ----------   ----------   ----------   -----------                                                                                                                                                                                          
       14026  Delivery     5/1/2025     5/31/2025             42                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 Prearranged Bid Indicator Description:                                                                                                                                                                                                                   
   Bidder is the prearranged deal bidder                                                                                                                                                                                                                  
 Affiliate Indicator (Affil): None                                                                                                                                                                                                                        
 Stand-alone Bid Indicator Description: Stand-alone Bid                                                                                                                                                                                                   
 Not a Stand-alone Bid Terms and Conditions:                                                                                                                                                                                                              
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 Bidder's Contingency Indicator (Bidder Contng): N                                                                                                                                                                                                        
 Bidder's Contingency Terms (Bidder Contng Terms):                                                                                                                                                                                                        
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 Measurement Basis Description: Million BTU's                                                                                                                                                                                                             
 Rate Form/Type Code Description (Rate Form/Type Desc):                                                                                                                                                                                                   
  Volumetric charge only                                                                                                                                                                                                                                  
 Reservation Rate Basis Description (Res Rate Basis Desc): Per day                                                                                                                                                                                        
 Rate Identification Code: RES                                                                                                                                                                                                                            
 Market-Based Rate Indicator (Mkt Based Rate Ind): N                                                                                                                                                                                                      
 Surcharge Indicator: 5                                                                                                                                                                                                                                   
 Surcharge Indicator Description:                                                                                                                                                                                                                         
   Rate(s) stated include only rates; no surcharges applicable                                                                                                                                                                                            
                                                                                                                                                                                                                                                          
 Surcharge Identification Code:                                                                                                                                                                                                                           
 Total Surcharges:                                                                                                                                                                                                                                        
                                                                                                                                                                                                                                                          
 Overrun Responsibility Indicator (OVR Resp Ind): RPS                                                                                                                                                                                                     
                                                                                                                                                                                                                                                          
 Rate Bid: 0.02000                                                                                                                                                                                                                                        
 Percentage of Maximum Tariff Rate Bid:                                                                                                                                                                                                                   
 Minimum Volumetric Commitment Quantity: 21                                                                                                                                                                                                               
 Bid Minimum Quantity - Contract:                                                                                                                                                                                                                         
 Bidder Lesser Quantity Indicator: N                                                                                                                                                                                                                      
 Storage Inventory-Conditioned Release Indicator:    No                                                                                                                                                                                                   
 IBR Index-Based Capacity Release Indicator (IBR Ind): N                                                                                                                                                                                                  
 Stand Alone Offer: Stand-alone Bid                                                                                                                                                                                                                       
 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.                                                                                                                                                                                                                              
 TSP Name: Enable Gas Transmission, LLC                           Page     2                                                                                                                                                                              
 Transportation Service Provider(TSP): 87 267 0161                                                                                                                                                                                                        
 K Holder: 79534838                                                                                                                                                                                                                                       
 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: Original                                                                                                                                                                                                                                         
 Bid Number(Bid No)1            Offer Number(Offer No) 14026                                                                                                                                                                                              
 Bidder Name(Bidder Name): CONSTELLATION ENERGY GENERATION                                                                                                                                                                                                
    LLC                                                                                                                                                                                                                                                   
 Bidder Proprietary Code(Bidder Prop): 363693                                                                                                                                                                                                             
 Bidder Contact Name(Bidder Contact): CRAIG KAMPS                                                                                                                                                                                                         
                                                                                                                                                                                                                                                          
  Bid Location Level Rates/Quantity Information                                                                                                                                                                                                           
                                                                                                                                                                                                                                                          
  Location/Quantity Type Indicator Description:                                                                                                                                                                                                           
                   Delivery point(s) quantity                                                                                                                                                                                                             
  Location Purpose: MQ                                                                                                                                                                                                                                    
  Location Purpose Description: Delivery Location                                                                                                                                                                                                         
                                                                                                                                                                                                                                                          
   Offer Number   Bid         Meas          Bidder     Bid Min    Segment                                                                                                                                                                                 
    (Offer No)  Qty-Loc    Basis Desc      Less Qty    Qty-Loc   Indicator                                                                                                                                                                                
     -------  -----------  ----------    -----------  ---------  ---------                                                                                                                                                                                
       14026           42 Million BTU's      N               42      No                                                                                                                                                                                   
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                    Loc: 771001                                                                                                                                                                                                                           
               Loc Name: BLACK HILLS @ WINFIELD                                                                                                                                                                                                           
    Location OBA Indicator(Loc OBA): No                                                                                                                                                                                                                   
                 Loc Zn: WEST1                                                                                                                                                                                                                            
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                    Loc:                                                                                                                                                                                                                                  
               Loc Name:                                                                                                                                                                                                                                  
    Location OBA Indicator(Loc OBA):                                                                                                                                                                                                                      
                 Loc Zn:                                                                                                                                                                                                                                  
                                                                                                                                                                                                                                                          
   Minimum Volumetric Commitment Percentage: