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|View History: Weekly Download Data (XLS File)                                     
|View History: Weekly                                                               
|View History: Weekly                                                               
|View History:                                                                      
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|Salt Producing Region Natural Gas Working Underground Storage  (Billion Cubic Feet)
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|Salt Producing Region Natural Gas Working Underground Storage  (Billion Cubic Feet)
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|Year-Month                                                                                                                        | Week 1 | Week 2 | Week 3 | Week 4 | Week 5
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------
|
|2006-Dec                                                                                                                          |        |        |        |        |       
|                                                                                                                                 
|2007-Jan                                                                                                                          | 01/05  | 109    | 01/12  | 107    | 01/19 
|2007-Feb                                                                                                                          | 02/02  | 78     | 02/09  | 63     | 02/16 
|2007-Mar                                                                                                                          | 03/02  | 59     | 03/09  | 58     | 03/16 
|2007-Apr                                                                                                                          | 04/06  | 81     | 04/13  | 80     | 04/20 
|2007-May                                                                                                                          | 05/04  | 85     | 05/11  | 88     | 05/18 
|2007-Jun                                                                                                                          | 06/01  | 100    | 06/08  | 101    | 06/15 
|2007-Jul                                                                                                                          | 07/06  | 105    | 07/13  | 104    | 07/20 
|2007-Aug                                                                                                                          | 08/03  | 109    | 08/10  | 98     | 08/17 
|2007-Sep                                                                                                                          | 09/07  | 93     | 09/14  | 84     | 09/21 
|2007-Oct                                                                                                                          | 10/05  | 101    | 10/12  | 101    | 10/19 
|2007-Nov                                                                                                                          | 11/02  | 119    | 11/09  | 119    | 11/16 
|2007-Dec                                                                                                                          | 12/07  | 104    | 12/14  | 104    | 12/21 
|                                                                                                                                 
|2008-Jan                                                                                                                          | 01/04  | 91     | 01/11  | 99     | 01/18 
|2008-Feb                                                                                                                          | 02/01  | 67     | 02/08  | 72     | 02/15 
|2008-Mar                                                                                                                          | 03/07  | 68     | 03/14  | 66     | 03/21 
|2008-Apr                                                                                                                          | 04/04  | 74     | 04/11  | 75     | 04/18 
|2008-May                                                                                                                          | 05/02  | 86     | 05/09  | 92     | 05/16 
|2008-Jun                                                                                                                          | 06/06  | 97     | 06/13  | 97     | 06/20 
|2008-Jul                                                                                                                          | 07/04  | 109    | 07/11  | 116    | 07/18 
|2008-Aug                                                                                                                          | 08/01  | 106    | 08/08  | 101    | 08/15 
|2008-Sep                                                                                                                          | 09/05  | 101    | 09/12  | 97     | 09/19 
|2008-Oct                                                                                                                          | 10/03  | 98     | 10/10  | 102    | 10/17 
|2008-Nov                                                                                                                          | 11/07  | 117    | 11/14  | 123    | 11/21 
|2008-Dec                                                                                                                          | 12/05  | 120    | 12/12  | 114    | 12/19 
|                                                                                                                                 
|2009-Jan                                                                                                                          | 01/02  | 118    | 01/09  | 121    | 01/16 
|2009-Feb                                                                                                                          | 02/06  | 65     | 02/13  | 70     | 02/20 
|2009-Mar                                                                                                                          | 03/06  | 73     | 03/13  | 77     | 03/20 
|2009-Apr                                                                                                                          | 04/03  | 99     | 04/10  | 105    | 04/17 
|2009-May                                                                                                                          | 05/01  | 126    | 05/08  | 131    | 05/15 
|2009-Jun                                                                                                                          | 06/05  | 160    | 06/12  | 169    | 06/19 
|2009-Jul                                                                                                                          | 07/03  | 165    | 07/10  | 172    | 07/17 
|2009-Aug                                                                                                                          | 08/07  | 175    | 08/14  | 172    | 08/21 
|2009-Sep                                                                                                                          | 09/04  | 174    | 09/11  | 174    | 09/18 
|2009-Oct                                                                                                                          | 10/02  | 191    | 10/09  | 195    | 10/16 
|2009-Nov                                                                                                                          | 11/06  | 197    | 11/13  | 201    | 11/20 
|2009-Dec                                                                                                                          | 12/04  | 202    | 12/11  | 176    | 12/18 
|                                                                                                                                 
|2010-Jan                                                                                                                          | 01/01  | 159    | 01/08  | 123    | 01/15 
|2010-Feb                                                                                                                          | 02/05  | 95     | 02/12  | 85     | 02/19 
|2010-Mar                                                                                                                          | 03/05  | 63     | 03/12  | 71     | 03/19 
|2010-Apr                                                                                                                          | 04/02  | 101    | 04/09  | 112    | 04/16 
|2010-May                                                                                                                          | 05/07  | 138    | 05/14  | 144    | 05/21 
|2010-Jun                                                                                                                          | 06/04  | 158    | 06/11  | 160    | 06/18 
|2010-Jul                                                                                                                          | 07/02  | 160    | 07/09  | 168    | 07/16 
|2010-Aug                                                                                                                          | 08/06  | 144    | 08/13  | 136    | 08/20 
|2010-Sep                                                                                                                          | 09/03  | 136    | 09/10  | 150    | 09/17 
|2010-Oct                                                                                                                          | 10/01  | 162    | 10/08  | 168    | 10/15 
|2010-Nov                                                                                                                          | 11/05  | 199    | 11/12  | 207    | 11/19 
|2010-Dec                                                                                                                          | 12/03  | 215    | 12/10  | 205    | 12/17 
|                                                                                                                                 
|2011-Jan                                                                                                                          | 01/07  | 183    | 01/14  | 158    | 01/21 
|2011-Feb                                                                                                                          | 02/04  | 123    | 02/11  | 90     | 02/18 
|2011-Mar                                                                                                                          | 03/04  | 106    | 03/11  | 111    | 03/18 
|2011-Apr                                                                                                                          | 04/01  | 138    | 04/08  | 143    | 04/15 
|2011-May                                                                                                                          | 05/06  | 155    | 05/13  | 161    | 05/20 
|2011-Jun                                                                                                                          | 06/03  | 179    | 06/10  | 180    | 06/17 
|2011-Jul                                                                                                                          | 07/01  | 184    | 07/08  | 185    | 07/15 
|2011-Aug                                                                                                                          | 08/05  | 151    | 08/12  | 142    | 08/19 
|2011-Sep                                                                                                                          | 09/02  | 139    | 09/09  | 144    | 09/16 
|2011-Oct                                                                                                                          | 10/07  | 188    | 10/14  | 206    | 10/21 
|2011-Nov                                                                                                                          | 11/04  | 253    | 11/11  | 263    | 11/18 
|2011-Dec                                                                                                                          | 12/02  | 281    | 12/09  | 276    | 12/16 
|                                                                                                                                 
|2012-Jan                                                                                                                          | 01/06  | 274    | 01/13  | 276    | 01/20 
|2012-Feb                                                                                                                          | 02/03  | 250    | 02/10  | 240    | 02/17 
|2012-Mar                                                                                                                          | 03/02  | 216    | 03/09  | 223    | 03/16 
|2012-Apr                                                                                                                          | 04/06  | 258    | 04/13  | 259    | 04/20 
|2012-May                                                                                                                          | 05/04  | 241    | 05/11  | 238    | 05/18 
|2012-Jun                                                                                                                          | 06/01  | 260    | 06/08  | 261    | 06/15 
|2012-Jul                                                                                                                          | 07/06  | 251    | 07/13  | 247    | 07/20 
|2012-Aug                                                                                                                          | 08/03  | 226    | 08/10  | 220    | 08/17 
|2012-Sep                                                                                                                          | 09/07  | 207    | 09/14  | 217    | 09/21 
|2012-Oct                                                                                                                          | 10/05  | 260    | 10/12  | 271    | 10/19 
|2012-Nov                                                                                                                          | 11/02  | 307    | 11/09  | 310    | 11/16 
|2012-Dec                                                                                                                          | 12/07  | 320    | 12/14  | 312    | 12/21 
|                                                                                                                                 
|2013-Jan                                                                                                                          | 01/04  | 283    | 01/11  | 275    | 01/18 
|2013-Feb                                                                                                                          | 02/01  | 240    | 02/08  | 234    | 02/15 
|2013-Mar                                                                                                                          | 03/01  | 190    | 03/08  | 175    | 03/15 
|2013-Apr                                                                                                                          | 04/05  | 168    | 04/12  | 179    | 04/19 
|2013-May                                                                                                                          | 05/03  | 212    | 05/10  | 228    | 05/17 
|2013-Jun                                                                                                                          | 06/07  | 259    | 06/14  | 261    | 06/21 
|2013-Jul                                                                                                                          | 07/05  | 274    | 07/12  | 275    | 07/19 
|2013-Aug                                                                                                                          | 08/02  | 265    | 08/09  | 261    | 08/16 
|2013-Sep                                                                                                                          | 09/06  | 262    | 09/13  | 259    | 09/20 
|2013-Oct                                                                                                                          | 10/04  | 287    | 10/11  | 294    | 10/18 
|2013-Nov                                                                                                                          | 11/01  | 325    | 11/08  | 332    | 11/15 
|2013-Dec                                                                                                                          | 12/06  | 309    | 12/13  | 277    | 12/20 
|                                                                                                                                 
|2014-Jan                                                                                                                          | 01/03  | 259    | 01/10  | 211    | 01/17 
|2014-Feb                                                                                                                          | 02/07  | 109    | 02/14  | 77     | 02/21 
|2014-Mar                                                                                                                          | 03/07  | 54     | 03/14  | 62     | 03/21 
|2014-Apr                                                                                                                          | 04/04  | 68     | 04/11  | 76     | 04/18 
|2014-May                                                                                                                          | 05/02  | 113    | 05/09  | 126    | 05/16 
|2014-Jun                                                                                                                          | 06/06  | 172    | 06/13  | 177    | 06/20 
|2014-Jul                                                                                                                          | 07/04  | 194    | 07/11  | 201    | 07/18 
|2014-Aug                                                                                                                          | 08/01  | 212    | 08/08  | 213    | 08/15 
|2014-Sep                                                                                                                          | 09/05  | 216    | 09/12  | 222    | 09/19 
|2014-Oct                                                                                                                          | 10/03  | 260    | 10/10  | 272    | 10/17 
|2014-Nov                                                                                                                          | 11/07  | 327    | 11/14  | 329    | 11/21 
|2014-Dec                                                                                                                          | 12/05  | 323    | 12/12  | 325    | 12/19 
|                                                                                                                                 
|2015-Jan                                                                                                                          | 01/02  | 324    | 01/09  | 291    | 01/16 
|2015-Feb                                                                                                                          | 02/06  | 231    | 02/13  | 222    | 02/20 
|2015-Mar                                                                                                                          | 03/06  | 108    | 03/13  | 108    | 03/20 
|2015-Apr                                                                                                                          | 04/03  | 146    | 04/10  | 171    | 04/17 
|2015-May                                                                                                                          | 05/01  | 223    | 05/08  | 243    | 05/15 
|2015-Jun                                                                                                                          | 06/05  | 291    | 06/12  | 295    | 06/19 
|2015-Jul                                                                                                                          | 07/03  | 297    | 07/10  | 305    | 07/17 
|2015-Aug                                                                                                                          | 08/07  | 291    | 08/14  | 286    | 08/21 
|2015-Sep                                                                                                                          | 09/04  | 293    | 09/11  | 298    | 09/18 
|2015-Oct                                                                                                                          | 10/02  | 331    | 10/09  | 346    | 10/16 
|2015-Nov                                                                                                                          | 11/06  | 373    |        |        |       
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
|                                                                                                                                 
|Release Date: 11/13/2015                                                                                                         
|