CASE for HEC updated. Stronger and Stronger!!! Company………………………… …. Mrkt Cp (mil) … TTM Rev (mil) … Net Mrgn … P/E 4/26/06 … Price 4/26/06 … 52 wk Hgh … 52 wk Lw Canadian Superior Energy (SNG) …. $272.99 ………. $39.75 ………. 6.8% ………. 101.2X ………. $2.28 ………. $2.73 ………. $1.30 Dune Energy, Inc. (DNE)…………….. .. $221.58 ………. $3.72 ………. -41.1% ………. N/A ………. $3.67 ………. $4.70 ………. $1.75 Harken Energy Corp (HEC)……. …. $194.58 ………. $40.13 ………. 106.9% ………. 5.0X ………. $0.87 ………. $0.98 ………. $0.37 American Oil & Gas (AEZ)……… …. $181.07 ………. $4.69 ………. 23.1% ………. 290.6X ………. $4.94 ………. $8.15 ………. $2.50 Double Eagle Petroleum ((DBLE) .. $163.86 ………. $20.50 ………. 19.3% ………. 41.2x ………. $18.88 ………. $25.10 ………. $15.00 Storm Cat Energy Corp (SCU)…. …. $141.30 ………. $3.09 ………. -129.1% ………. N/A ………. $2.77 …………. $3.75 ………. $2.01 Tengasco, Inc. (TGC)…………….. …. $107.25 ………… $7.17 ………… 15.2% ……. 101.3X ………. $1.68 ………. $1.92 ………. $0.19 Canada Southern Petroleum (CSPLF) .. $74.31 ………. $16.33 ………. 19.3% ………. 23.6x ………. $5.23 ………. $8.00 ………. $4.96 Blue Dolphin Energy Co (BDCO)…… $68.89 ………. $4.51 ………….. 12% …………. 191.4X ………. $6.20 ………. $8.60 ………. $1.31