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Supplemental Information PGA Summaries: Illinois Navigator PGA Summaries: 2009 | 2008 | 2007 Purchased Gas Adjustments During 2008 (per therm) Revision No. Effective Date Rider No. 5 Gas Charge and Refund Adjustments 150th Rev. Sh. No. 14    1/01/08  0.8433 151st Rev. Sh. No. 14    2/01/08  0.8803 152nd Rev. Sh. No. 14    3/01/08 1.0701 153rd Rev. Sh. No. 14    4/01/08 1.1031 154th Rev. Sh. No. 14    5/01/08 1.2125 155th Rev. Sh. No. 14    6/01/08 1.2573 156th Rev. Sh. No. 14    7/01/08 1.3686 157th Rev. Sh. No. 14    8/01/08 0.9638 158th Rev. Sh. No. 14    9/01/08 0.8269 159th Rev. Sh. No. 14   10/01/08 0.6074 160th Rev. Sh. No. 14   11/01/08 0.7288 161st Rev. Sh. No. 14   12/01/08 0.6844 Navigator PGA Summaries: 2009 | 2008 | 2007 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 | ©2009 MidAmerican Energy Holdings Company. All rights reserved.