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Supplemental Information PGA Summaries: Illinois Navigator PGA Summaries: 2008 | 2007 | 2006 Purchased Gas Adjustments During 2006 (per therm) Revision No. Effective Date Rider No. 5 Gas Charge and Refund Adjustments 126th Rev. Sh. No. 14   1/01/06 1.0695 127th Rev. Sh. No. 14   2/01/06 1.1145 128th Rev. Sh. No. 14   3/01/06  .9162 129th Rev. Sh. No. 14   4/01/06  .8526 130th Rev. Sh. No. 14   5/01/06  .7171 131st Rev. Sh. No. 14   6/01/06  .5829 132nd Rev. Sh. No. 14   7/01/06  .6046 133rd Rev. Sh. No. 14   8/01/06  .6958 134th Rev. Sh. No. 14   9/01/06  .6485 135th Rev. Sh. No. 14 10/01/06  .4498 136th Rev. Sh. No. 14 11/01/06  .7323 137th Rev. Sh. No. 14 12/01/06  .6890 Navigator PGA Summaries: 2008 | 2007 | 2006 For Your Home | For Your Business | Safety | Rates | Energy Efficiency | Economic Development | Environmental Efforts About Us | Careers | News Room | Storm Center | Wind Energy | Contact | Streetlight Repair Request | System Outage Watch | Energy Choice | For Contractors | For Landlords | ©2008 MidAmerican Energy Holdings Company. All rights reserved.