Preliminary Economics Parameters
  *Conventional
Oil and Gas
Waste-to-Energy
Facility
Power Plant
Retrofits
Coal-to-Liquids
Facility
Petroleum Coke
Facility
Estimated cash flow (per boe) $25.00 - $27.50 $61.00 $35.00 $62.00 - $69.00 $36.90
Estimated capital cost (per boe) $19.68 - $23.90 $8.00 - $9.00 $9.00 $11.00 - $13.50 $7.50
Approximate Recycle Ratio 0.96 to 1.11 times More than 7.0 times 3.9 times 3.6 - 5.0 times 4.9 times
ROE - pre-tax (%) 32.4 19.5 17.3 18.8
Market Size 317 mtpy (North America) 300 facilities in USA alone 50,000 boepd Up to 2.1 bcf/d
Market Share 5% 10% Coal asset owned 2%
Impact of Market Cap** $9.8 billion $1.5 billion $8.4 billion $2.5 billion

*Source: FirstEnergy May 2007 - based on 2006 results.
**Based on 7 times EBITDA