| OTHER | 10/30/25 | 10/30/25 | 10/30/25 | 14342 |  | Alliance EBB Back Online - GD30 ID1 Window has been extended to 10:30CST |  | 
                                                        
                                | CAPACITY CONSTRAINT | 10/27/25 | 11/03/25 | 11/08/25 | 14337 |  | Alliance Pipeline L.P. - Notice of Change In Operating Conditions - Delivery To NGPL/Horizon and Nicor |  | 
                                                        
                                | MAINTENANCE | 10/15/25 | 10/21/25 | 10/22/25 | 14328 |  | Alliance Pipeline L.P. Tampico Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 10/15/25 | 10/22/25 | 10/23/25 | 14327 |  | Alliance Pipeline Limited Partnership Estlin Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 10/15/25 | 10/20/25 | 10/25/25 | 14326 |  | Alliance Pipeline Limited Partnership Taylor Junction Compressor Station Required Maintenance. |  | 
                                                        
                                | MAINTENANCE | 10/15/25 | 10/20/25 | 10/25/25 | 14325 |  | Alliance Pipeline Limited Partnership Morinville Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 10/15/25 | 10/15/25 | 10/16/25 | 14320 |  | Alliance Pipeline L.P. Wimbledon Compressor Station Required Maintenance |  | 
                                                        
                                | CAPACITY CONSTRAINT | 10/14/25 | 10/15/25 | 10/16/25 | 14324 |  | Alliance Pipeline L.P. - Preliminary Alert - Change In Operating Conditions - Update |  | 
                                                        
                                | CAPACITY CONSTRAINT | 10/13/25 | 10/15/25 | 10/16/25 | 14323 |  | Alliance Pipeline L.P. - Notice of Change In Operating Conditions - Delivery To NGPL/Horizon and Nicor- Capacity Update |  | 
                                                        
                                | MAINTENANCE | 10/10/25 | 10/15/25 | 10/16/25 | 14321 |  | Alliance Pipeline L.P. Wimbledon Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 10/10/25 | 10/15/25 | 10/17/25 | 14319 |  | Alliance Pipeline Limited Partnership Kerrobert Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 10/09/25 | 10/09/25 | 10/09/25 | 14317 |  | Alliance Pipeline - CommPass QPTM System Available |  | 
                                                        
                                | MAINTENANCE | 10/08/25 | 11/03/25 | 11/13/25 | 14314 |  | Alliance Pipeline Limited Partnership AB55 Scotford Meter Station Required Maintenance |  | 
                                                        
                                | CAPACITY CONSTRAINT | 10/08/25 | 10/08/25 | 10/15/25 | 14313 |  | Alliance Pipeline L.P. - Preliminary Alert - Change In Operating Conditions - Delivery To NGPL/Horizon and Nicor |  | 
                                                        
                                | MAINTENANCE | 10/03/25 | 11/03/25 | 11/08/25 | 14311 |  | Alliance Pipeline Limited Partnership BC01A Highway 2  Meter Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 10/01/25 | 10/07/25 | 10/08/25 | 14309 |  | Alliance Pipeline Limited Partnership Blueberry Hill Compressor Station - Unit 2 Required Maintenance. |  | 
                                                        
                                | MAINTENANCE | 10/01/25 | 10/07/25 | 10/10/25 | 14308 |  | Alliance Pipeline L.P. Fairmount Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 10/01/25 | 10/07/25 | 10/08/25 | 14307 |  | Alliance Pipeline Limited Partnership Loreburn Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 09/24/25 | 10/02/25 | 10/03/25 | 14298 |  | Alliance Pipeline Limited Partnership AB27A Elmworth Meter Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 09/24/25 | 09/29/25 | 09/30/25 | 14297 |  | Alliance Pipeline Limited Partnership AB30 Gold Creek Meter/Compressor Station Required Maintenance |  | 
                                                        
                                | CAPACITY CONSTRAINT | 09/18/25 | 10/07/25 | 10/12/25 | 14289 |  | Alliance Pipeline L.P. - Notice of Change In Operating Conditions - Delivery To NGPL/Horizon and Nicor |  | 
                                                        
                                | MAINTENANCE | 09/10/25 | 09/16/25 | 09/17/25 | 14282 |  | Alliance Pipeline L.P. Manchester  Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 09/10/25 | 09/16/25 | 09/17/25 | 14281 |  | Alliance Pipeline L.P. Towner  Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 09/10/25 | 09/16/25 | 09/17/25 | 14280 |  | Alliance Pipeline Limited Partnership Irma Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 09/10/25 | 09/16/25 | 09/17/25 | 14279 |  | Alliance Pipeline Limited Partnership Blueberry Hill Compressor Station - Unit 1 Required Maintenance. |  | 
                                                        
                                | MAINTENANCE | 09/03/25 | 09/09/25 | 09/10/25 | 14273 |  | Alliance Pipeline Limited Partnership Alameda Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 09/03/25 | 09/09/25 | 09/11/25 | 14272 |  | Alliance Pipeline L.P. Albert Lea  Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 08/15/25 | 08/27/25 | 08/28/25 | 14253 |  | Alliance Pipeline Limited Partnership Taylor Junction Compressor Station Required Maintenance. |  | 
                                                        
                                | MAINTENANCE | 08/08/25 | 08/14/25 | 08/15/25 | 14248 |  | Alliance Pipeline Limited Partnership Blueberry Hill Compressor Station  Required Inspection - Date Revision |  | 
                                                        
                                | MAINTENANCE | 08/07/25 | 08/17/25 | 08/18/25 | 14246 |  | Alliance Pipeline Limited Partnership Blueberry Hill Compressor Station  Required Inspection |  | 
                                                        
                                | MAINTENANCE | 06/26/25 | 06/30/25 | 07/01/25 | 14206 |  | Alliance Pipeline Limited Partnership AB30 Gold Creek Meter/Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 06/09/25 | 06/12/25 | 06/13/25 | 14191 |  | Alliance Pipeline Limited Partnership Blueberry Hill Compressor Station  Required Maintenance - Revised Effective Date |  | 
                                                        
                                | MAINTENANCE | 05/27/25 | 06/10/25 | 06/11/25 | 14181 |  | Alliance Pipeline Limited Partnership Windfall Compressor Station Required Inspections and Maintenance |  | 
                                                        
                                | MAINTENANCE | 05/26/25 | 05/26/25 | 05/27/25 | 14180 |  | Alliance Pipeline Limited Partnership Blueberry Hill Compressor Station - Unit 1 Unplanned Maintenance.- Update (3rd) |  | 
                                                        
                                | MAINTENANCE | 05/21/25 | 05/29/25 | 05/31/25 | 14175 |  | Alliance Pipeline Limited Partnership Taylor Junction Compressor Station Required Maintenance. |  | 
                                                        
                                | MAINTENANCE | 05/15/25 | 05/21/25 | 05/22/25 | 14166 |  | Alliance Pipeline L.P. Albert Lea  Compressor Station Required Maintenance |  | 
                                                        
                                | CAPACITY CONSTRAINT | 05/14/25 | 05/15/25 | 05/16/25 | 14164 |  | Alliance Pipeline L.P. - Notice of Change In Operating Conditions - Delivery To NGPL/Horizon and Nicor- Capacity Update |  | 
                                                        
                                | MAINTENANCE | 05/08/25 | 05/08/25 | 05/31/25 | 14158 |  | Alliance Pipeline Limited Partnership Blueberry Hill Compressor Station - Unit 1 Unplanned Maintenance.- Update (2nd) |  | 
                                                        
                                | MAINTENANCE | 04/30/25 | 05/06/25 | 05/08/25 | 14157 |  | Alliance Pipeline L.P. Tampico  Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 04/30/25 | 05/07/25 | 05/08/25 | 14156 |  | Alliance Pipeline - AB27 Wembley Meter Station Required Maintenance |  | 
                                                        
                                | OPERATION ALERT | 04/29/25 | 04/30/25 | 05/15/25 | 14154 |  | Alliance Pipeline L.P. - Notice of Change In Operating Conditions - Imbalance Management |  | 
                                                        
                                | MAINTENANCE | 04/24/25 | 04/28/25 | 05/03/25 | 14149 |  | Alliance Pipeline L.P. Olivia  Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 04/24/25 | 04/29/25 | 05/01/25 | 14148 |  | Alliance Pipeline Limited Partnership Estlin Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 04/16/25 | 04/22/25 | 04/23/25 | 14143 |  | Alliance Pipeline L.P. Fairmount  Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 04/16/25 | 04/22/25 | 04/23/25 | 14142 |  | Alliance Pipeline Limited Partnership Loreburn Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 04/09/25 | 04/15/25 | 04/16/25 | 14131 |  | Alliance Pipeline Limited Partnership Morinville Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 04/09/25 | 04/15/25 | 04/16/25 | 14130 |  | Alliance Pipeline L.P.Towner  Compressor Station Required Maintenance |  | 
                                                        
                                | MAINTENANCE | 04/07/25 | 05/07/25 | 05/08/25 | 14125 |  | Alliance Pipeline Limited Partnership AB27 Wembley Meter Station - Required Maintenance |  | 
                                                        
                                | CAPACITY CONSTRAINT | 03/28/25 | 04/26/25 | 05/15/25 | 14120 |  | UPDATE - Alliance Pipeline L.P. - Notice of Change In Operating Conditions - Delivery To NGPL/Horizon and Nicor |  | 
                                                        
                                | CAPACITY CONSTRAINT | 03/27/25 | 04/26/25 | 05/15/25 | 14117 |  | Alliance Pipeline L.P. - Notice of Change In Operating Conditions - Delivery To NGPL/Horizon and Nicor |  |