| NORTHERN INDIANA PUBLIC SERVICE COMPANY IURC Gas Service Tariff Original Volume No. 5 |
Fifty-Fifth Revised Sheet No. 22.1 Superseding Fifty-Fourth Revised Sheet No. 22.1 |
APPENDIX A.1
SPACECOOLING COMMODITY CHARGES
| Commodity Charge | Applicable in the Billing Months of |
| Rider to Rates 311, 315, 316 and 317 | |
| 103.40 cents per therm | May, 2008 |
| 117.15 cents per therm | June, 2008 |
| 129.44 cents per therm | July, 2008 |
| 124.70 cents per therm | August, 2008 |
| 81.34 cents per therm | September, 2008 |
| Rate 322A | |
| 103.40 cents per therm | May, 2008 |
| 117.15 cents per therm | June, 2008 |
| 129.44 cents per therm | July, 2008 |
| 124.70 cents per therm | August, 2008 |
| 81.34 cents per therm | September, 2008 |
| Issued Date | Effective Date |
| September 1, 2008 | September 1, 2008 |