2010 Margin

Uncommitted Marketing & Trading

Uncommitted Generation Hedges

Coal Hedge Value*

Committed Marketing & Trading

Committed Generation Hedges

$5.17

$.17

$.83

$.29

$.02

$3.86

$(1.35)

$(.75)

$3.07

*Mark-to-Market value of unsold hedged coal not committed to a power hedge as of 9/30/2008.

**Other Costs include depreciation ($0.38), interest expense and other ($0.37).

Midpoint of forecast

7

Exhibit 99.2

Expected 2010 Supply Earnings