PPL Montana Spot Market Power

This posting is in compliance with the Federal Energy Regulatory Commission's June 19, 2001 Order issued in Docket no. EL00-95-031, et al. This posting is as of May 16, 2008 10:09:08am EDT. PPL Montana Available Capacity for 05/16/2008 Pacific Prevailing Time Hourly Capacity Varies from 0 MW to 0 MW.** PPL Montana Available Capacity for 05/19/2008 Pacific Prevailing Time Hourly Capacity Varies from 0 MW to 0 MW.** PPL Montana Available Capacity for 05/17/2008 Pacific Prevailing Time Hourly Capacity Varies from 0 MW to 0 MW.** PPL Montana Available Capacity for 05/18/2008 Pacific Prevailing Time Hourly Capacity Varies from 0 MW to 0 MW.** The information provided is an estimation of the hourly excess capacity that PPL Montana (PPLM) may have. For any hour, PPLM may or may not have this amount of electricity available in excess of electricity needed by PPLM to render service under our existing contracts. Additionally, generation availability, transmission availability, and load variations may significantly affect these numbers. **The posted capacity excludes PPLM's hydroelectric resources.