|                                                                                            
|--------------------------------------------------------------------------------------------
|                                                                                            
|View History:  Monthly  Annual Download Data (XLS File)                                    
|View History:  Monthly  Annual                                                              
|View History:  Monthly  Annual                                                              
|View History:                                                                               
|                                                                                            
|Percent of Commercial Natural Gas Deliveries in Colorado Represented by the Price  (Percent)
|                                                                                            
|                                                                                            
|Percent of Commercial Natural Gas Deliveries in Colorado Represented by the Price  (Percent)
|                                                                                            

|Year                                                                                                                              | Jan  | Feb  | Mar  | Apr  | May  | Jun   | Jul  | Aug   | Sep   | Oct  | Nov   | Dec  
|--------------------------------------------------------------------------------------------------------------------------------- | ---- | ---- | ---- | ---- | ---- | ----- | ---- | ----- | ----- | ---- | ----- | -----
|1989                                                                                                                              | 98.0 | 98.1 | 98.3 | 97.8 | 97.3 | 97.3  | 95.0 | 91.8  | 95.8  | 95.6 | 96.9  | 97.2 
|                                                                                                                                 
|1990                                                                                                                              | 98.1 | 98.0 | 97.9 | 97.6 | 97.3 | 97.4  | 94.7 | 94.5  | 95.5  | 94.6 | 97.0  | 97.0 
|1991                                                                                                                              | 96.8 | 97.1 | 96.1 | 96.2 | 96.9 | 97.2  | 93.7 | 93.9  | 93.6  | 92.3 | 94.7  | 96.3 
|1992                                                                                                                              | 96.7 | 96.7 | 95.9 | 95.7 | 95.1 | 96.0  | 94.2 | 93.3  | 93.6  | 91.2 | 93.7  | 96.2 
|1993                                                                                                                              | 96.6 | 96.4 | 96.5 | 95.8 | 95.2 | 95.5  | 93.0 | 93.1  | 95.2  | 90.6 | 94.1  | 95.9 
|1994                                                                                                                              | 95.9 | 96.1 | 95.7 | 94.9 | 95.3 | 94.3  | 91.2 | 91.7  | 93.1  | 91.5 | 93.2  | 95.5 
|                                                                                                                                 
|1995                                                                                                                              | 95.9 | 96.0 | 95.1 | 94.3 | 95.1 | 95.5  | 92.3 | 89.7  | 89.3  | 89.8 | 93.5  | 93.8 
|1996                                                                                                                              | 94.5 | 95.5 | 93.8 | 93.1 | 92.4 | 92.5  | 88.0 | 87.1  | 90.6  | 89.1 | 92.8  | 94.3 
|1997                                                                                                                              | 94.6 | 95.4 | 94.4 | 93.9 | 93.7 | 92.9  | 86.2 | 83.1  | 90.2  | 86.9 | 89.8  | 93.0 
|1998                                                                                                                              | 95.4 | 95.1 | 96.1 | 95.8 | 95.0 | 91.6  | 92.0 | 91.1  | 93.2  | 87.5 | 94.0  | 95.2 
|1999                                                                                                                              | 97.5 | 96.7 | 98.3 | 97.2 | 98.2 | 97.7  | 95.7 | 95.7  | 96.1  | 97.8 | 98.0  | 98.1 
|                                                                                                                                 
|2000                                                                                                                              | 98.8 | 98.1 | 98.3 | 98.8 | 98.7 | 95.8  | 96.4 | 99.3  | 99.1  | 93.1 | 95.7  | 96.1 
|2001                                                                                                                              | 90.8 | 98.8 | 85.7 | 98.2 | 98.2 | 100.0 | 98.7 | 100.0 | 100.0 | 97.9 | 100.0 | 100.0
|2002                                                                                                                              | 89.4 | 96.7 | 96.5 | 96.4 | 95.8 | 95.9  | 95.3 | 96.0  | 96.3  | 96.1 | 96.9  | 96.9 
|2003                                                                                                                              | 95.0 | 95.2 | 94.8 | 94.1 | 93.0 | 96.0  | 95.7 | 94.8  | 94.8  | 93.2 | 99.6  | 95.1 
|2004                                                                                                                              | 99.6 | 95.0 | 92.3 | 93.1 | 90.8 | 92.8  | 93.9 | 91.6  | 95.7  | 96.3 | 95.2  | 93.0 
|                                                                                                                                 
|2005                                                                                                                              | 95.7 | 94.6 | 95.4 | 93.5 | 94.5 | 95.3  | 95.5 | 94.4  | 95.1  | 96.8 | 96.4  | 94.7 
|2006                                                                                                                              | 97.1 | 97.5 | 94.6 | 91.3 | 92.0 | 91.8  | 94.9 | 95.4  | 96.6  | 96.6 | 95.2  | 95.7 
|2007                                                                                                                              | 96.1 | 93.9 | 93.5 | 93.4 | 89.3 | 90.3  | 95.7 | 95.0  | 95.6  | 98.9 | 98.8  | 99.4 
|2008                                                                                                                              | 96.4 | 96.4 | 94.4 | 93.1 | 92.0 | 93.8  | 93.4 | 94.8  | 94.0  | 95.9 | 95.8  | 96.2 
|2009                                                                                                                              | 95.6 | 95.0 | 94.0 | 94.6 | 94.6 | 90.1  | 94.4 | 95.1  | 94.9  | 97.1 | 95.4  | 94.2 
|                                                                                                                                 
|2010                                                                                                                              | 94.6 | 95.5 | 94.5 | 93.6 | 93.8 | 93.1  | 93.4 | 93.6  | 93.0  | 94.3 | 95.5  | 95.1 
|2011                                                                                                                              | 94.7 | 94.5 | 94.2 | 92.2 | 93.0 | 94.7  | 95.3 | 94.2  | 93.9  | 93.5 | 94.2  | 92.6 
|2012                                                                                                                              | 93.4 | 92.0 | 92.7 | 90.0 | 89.7 | 92.1  | 90.9 | 90.8  | 91.0  | 91.0 | 92.5  | 92.9 
|2013                                                                                                                              | 96.0 | 95.0 | 95.1 | 94.2 | 93.1 | 92.6  | 90.9 | 90.6  | 91.4  | 94.0 | 95.2  | 95.6 
|2014                                                                                                                              | 95.4 | 95.4 | 94.7 | 93.1 | 93.1 | 92.0  | 90.8 | 91.0  | 91.4  | 93.1 | 95.7  | 95.8 
|                                                                                                                                 
|2015                                                                                                                              | 95.7 | 95.2 | 94.8 | 93.6 | 92.8 | 93.1  | 91.0 | 91.1  | 91.0  | 93.1 | 95.6  | 95.7 
|2016                                                                                                                              | 95.8 | 94.7 | 94.6 | 93.7 | 93.3 | 91.7  | 91.2 | 89.4  | 90.9  | 92.5 | 94.8  | 95.7 
|2017                                                                                                                              | 94.8 | 94.4 | 94.1 | 92.9 | 92.5 | 90.8  | 91.0 | 91.5  | 91.0  | 94.1 | 94.9  | 95.7 
|2018                                                                                                                              | 95.3 | 95.2 | 94.4 | 92.8 | 91.0 | 90.7  | 90.3 | 90.8  | 90.2  | 94.5 | 95.1  | 94.9 
|2019                                                                                                                              | 95.1 | 94.8 | 95.1 | 92.4 | 92.5 | 90.7  | 90.5 | 90.5  | 90.5  | 94.4 | 95.0  | 95.4 
|                                                                                                                                 
|2020                                                                                                                              | 95.4 | 95.0 | 93.9 | 93.2 | 91.6 | 90.7  | 90.2 | 90.4  | 91.8  | 94.2 | 95.1  | 95.9 
|2021                                                                                                                              | 95.2 | 95.0 | 95.0 | 93.5 | 92.5 | 92.1  | 91.8 | 91.2  | 91.2  | 93.4 | 94.5  | 95.4 
|2022                                                                                                                              | 95.3 | 94.5 | 95.0 | 92.7 | 91.6 | 91.2  | 90.0 | 90.8  | 90.9  | 93.5 | 95.1  | 95.8 
|2023                                                                                                                              | 95.8 | 94.8 | 95.1 | 93.2 | 91.2 | 94.3  | 93.8 | 91.4  | 90.8  | 94.4 | 94.8  | 95.7 
|2024                                                                                                                              | 95.7 | 95.2 | 96.5 | 90.5 | 92.8 |       |      |       |       |      |       |      
|                                                                                                                                 
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
|                                                                                                                                 
|Release Date: 7/31/2024                                                                                                          
|Next Release Date: 8/30/2024