| Natural Gas Exchange Market Summary |
| Hub | Strip Begin Date | Strip End Date | Open | High | Low | Settlement | Weighted Average | Volume per Day | Transactions | Trading Unit |
| NGX Phys, FP (CA/GJ), AB-NIT | 02-Jul-08 | 02-Jul-08 | 10.900 | 10.900 | 9.950 | 10.000 | 10.6544 | 298.1000 | 80 | GJ |
| NGX Phys, FP (CA/GJ), AB-NIT | 04-Jul-08 | 04-Jul-08 | 10.600 | 10.600 | 10.580 | 10.470 | 10.5903 | 58.3000 | 8 | GJ |
| NGX Phys, FP (CA/GJ), AB-NIT | 07-Jul-08 | 07-Jul-08 | 11.050 | 11.050 | 11.000 | 10.470 | 11.0499 | 80.2000 | 4 | GJ |
| NGX Phys, FP (CA/GJ), AB-NIT | 03-Jul-08 | 06-Jul-08 | 10.800 | 10.840 | 10.270 | 11.090 | 10.7336 | 1755.6000 | 180 | GJ |
| NGX Phys, FP (CA/GJ), AB-NIT | 04-Jul-08 | 06-Jul-08 | 10.400 | 10.520 | 10.400 | 11.150 | 10.4651 | 60.4000 | 8 | GJ |
| NGX Phys, FP (CA/GJ), AB-NIT | 04-Jul-08 | 07-Jul-08 | 10.800 | 10.860 | 10.450 | 11.150 | 10.7795 | 2171.7000 | 232 | GJ |
| NGX Phys, FP (CA/GJ), AB-NIT | 04-Jul-08 | 31-Jul-08 | 10.980 | 11.050 | 10.950 | 11.150 | 10.9922 | 29.0000 | 11 | GJ |
| NGX Phys, FP (CA/GJ), AB-NIT | 01-Nov-08 | 30-Nov-08 | 11.700 | 11.710 | 11.700 | 11.910 | 11.7033 | 12.0000 | 3 | GJ |
| NGX Phys, ID, 7a (CA/GJ), AB-NIT | 01-Aug-08 | 31-Aug-08 | 0.015 | 0.018 | 0.015 | 0.018 | 0.0152 | 32.5000 | 8 | GJ |
| NGX Phys, ID, 2a (CA/GJ), AB-NIT | 03-Jul-08 | 03-Jul-08 | 0.000 | 0.000 | -0.050 | 0.000 | -0.0071 | 51.8000 | 7 | GJ |
| NGX Phys, ID, 2a (CA/GJ), AB-NIT | 04-Jul-08 | 06-Jul-08 | -0.005 | 0.000 | -0.013 | 0.000 | -0.0047 | 85.0000 | 8 | GJ |
| NGX Phys, ID, 5a (CA/GJ), AB-NIT | 03-Jul-08 | 06-Jul-08 | -0.003 | -0.001 | -0.003 | 0.000 | -0.0022 | 27.2000 | 2 | GJ |
| NGX Phys, BS, LD1 (US/MM), AB-NIT | 01-Aug-08 | 31-Aug-08 | -1.815 | -1.800 | -1.880 | -1.870 | -1.8523 | 257.5000 | 37 | MMbtu |
| NGX Phys, BS, LD1 (US/MM), AB-NIT | 01-Sep-08 | 30-Sep-08 | -1.800 | -1.800 | -1.850 | -1.840 | -1.8377 | 107.5000 | 15 | MMbtu |
| NGX Phys, FP (CA/GJ), Atco-North | 02-Jul-08 | 02-Jul-08 | 10.650 | 10.740 | 10.600 | 10.020 | 10.6564 | 21.1000 | 13 | GJ |
| NGX Phys, ID, 5a (CA/GJ), Atco-North | 03-Jul-08 | 03-Jul-08 | -0.005 | -0.005 | -0.020 | 0.020 | -0.0125 | 2.0000 | 3 | GJ |
| NGX Phys, ID, 5a (CA/GJ), Atco-North | 03-Jul-08 | 06-Jul-08 | -0.005 | -0.005 | -0.070 | 0.000 | -0.0510 | 27.7000 | 12 | GJ |
| NGX Phys, ID, 5a (CA/GJ), Atco-North | 04-Jul-08 | 06-Jul-08 | -0.058 | -0.058 | -0.058 | 0.000 | -0.0575 | .8000 | 1 | GJ |
| NGX Phys, FP (CA/GJ), Atco-South | 02-Jul-08 | 02-Jul-08 | 10.700 | 10.700 | 10.700 | 9.950 | 10.7000 | 1.0000 | 1 | GJ |
| NGX Phys, ID, 5a (CA/GJ), Atco-South | 03-Jul-08 | 06-Jul-08 | -0.060 | -0.050 | -0.060 | 0.000 | -0.0529 | 8.0000 | 5 | GJ |
| NGX Phys, ID, 5a (CA/GJ), TEP | 03-Jul-08 | 06-Jul-08 | 0.025 | 0.080 | 0.025 | 0.000 | 0.0365 | 19.6000 | 10 | GJ |
| NG Firm Phys, FP, Henry | 04-Jul-08 | 07-Jul-08 | 13.010 | 13.010 | 12.990 | 13.105 | 13.0015 | 26.2000 | 3 | MMbtu |
| NGX Phys, FP (CA/GJ), Spectra - Stn 2 | 04-Jul-08 | 07-Jul-08 | 10.100 | 10.100 | 9.050 | 11.173 | 9.5656 | 217.3000 | 43 | GJ |
| NGX Phys, ID, Day Ahead (CA/GJ), Spectra - Stn 2 | 04-Jul-08 | 07-Jul-08 | 0.000 | 0.000 | -0.010 | 0.000 | -0.0049 | 128.0000 | 17 | GJ |
| NGX Phys, FP (US/MM), Union-Dawn | 04-Jul-08 | 07-Jul-08 | 13.360 | 13.410 | 13.265 | 13.450 | 13.3305 | 813.2000 | 109 | MMbtu |
| NGX Phys, BS, LD1 (US/MM), Union-Dawn | 01-Aug-08 | 31-Aug-08 | 0.145 | 0.145 | 0.125 | 0.125 | 0.1347 | 54.8000 | 8 | MMbtu |
| NGX Phys, BS, LD1 (US/MM), Union-Dawn | 01-Sep-08 | 30-Sep-08 | 0.165 | 0.165 | 0.155 | 0.155 | 0.1625 | 10.0000 | 2 | MMbtu |
| NGX Phys, BS, LD1 (US/MM), Union-Dawn | 01-Oct-08 | 31-Oct-08 | 0.220 | 0.220 | 0.200 | 0.200 | 0.2081 | 32.5000 | 4 | MMbtu |
| NGX Phys, BS, LD1 (US/MM), Union-Dawn | 01-Apr-09 | 30-Apr-09 | 0.570 | 0.570 | 0.570 | 0.490 | 0.5700 | 8.0000 | 1 | MMbtu |
| NGX Phys, FP Spr (US/MM), Union-Dawn/Union-Parkway | 04-Jul-08 | 07-Jul-08 | -0.030 | -0.020 | -0.080 | 0.008 | -0.0481 | 119.5000 | 22 | MMbtu |
| NGX Phys, BS, LD1 Spr (US/MM) , Union-Dawn/Union-Parkway | 01-Aug-08 | 31-Aug-08 | -0.050 | -0.050 | -0.058 | -0.055 | -0.0538 | 35.0000 | 7 | MMbtu |
| NGX Phys, BS, LD1 Spr (US/MM) , Union-Dawn/Union-Parkway | 01-Sep-08 | 30-Sep-08 | -0.040 | -0.040 | -0.040 | 0.030 | -0.0400 | 5.0000 | 1 | MMbtu |
| NGX Phys, FP (CA/GJ), AB-NIT/TCPL-Empress | 04-Jul-08 | 07-Jul-08 | 0.110 | 0.130 | 0.105 | 0.105 | 0.1147 | 513.8000 | 37 | GJ |
| NGX Phys, FP (US/MM), TCPL - Emerson 2 | 04-Jul-08 | 04-Jul-08 | 12.220 | 12.220 | 12.220 | 12.340 | 12.2200 | 10.0000 | 1 | MMbtu |
| NGX Phys, FP (US/MM), TCPL - Emerson 2 | 04-Jul-08 | 07-Jul-08 | 12.200 | 12.200 | 11.930 | 12.340 | 12.0007 | 179.8000 | 27 | MMbtu |
| NGX Phys, FP Spr (US/MM), TCPL-St Clair/Union-Dawn | 04-Jul-08 | 07-Jul-08 | 0.005 | 0.005 | 0.005 | -0.015 | 0.0050 | 38.3000 | 5 | MMbtu |
| NGX Phys, FP (US/MM), TCPL - Iroquois | 04-Jul-08 | 07-Jul-08 | 13.370 | 13.370 | 13.370 | 13.575 | 13.3700 | 8.0000 | 1 | MMbtu |
| NGX Phys, FP Spr (US/MM), Union-Dawn/TCPL-Iroquois | 04-Jul-08 | 07-Jul-08 | 0.035 | 0.070 | -0.100 | 0.125 | -0.0083 | 100.1000 | 15 | MMbtu |
| NGX Phys, BS, LD1 Spr (US/MM) , Union-Dawn/TCPL-Iroquois | 01-Nov-08 | 31-Mar-09 | 0.560 | 0.560 | 0.560 | 0.600 | 0.5600 | 2.5000 | 1 | MMbtu |
| NGX Phys, FP Spr (US/MM), Union-Dawn/TCPL-Niagara | 04-Jul-08 | 07-Jul-08 | 0.055 | 0.055 | 0.040 | 0.090 | 0.0489 | 117.7000 | 18 | MMbtu |
| NGX Phys, BS, LD1 Spr (US/MM) , Union-Dawn/TCPL-Niagara | 01-Nov-08 | 31-Mar-09 | 0.385 | 0.385 | 0.385 | 0.320 | 0.3850 | 10.0000 | 1 | MMbtu |
| NG Firm Phys, FP, GTN-Malin | 04-Jul-08 | 07-Jul-08 | 11.800 | 11.800 | 11.630 | 12.205 | 11.6941 | 31.7000 | 6 | MMbtu |
| NGX Phys, FP (US/MM), Spectra - Hunt | 04-Jul-08 | 07-Jul-08 | 10.650 | 10.650 | 10.000 | 12.105 | 10.2076 | 41.9000 | 10 | MMbtu |
| NGX Phys, ID, GD (US/MM), Spectra - Hunt | 04-Jul-08 | 07-Jul-08 | 0.000 | 0.000 | -0.005 | 0.000 | -0.0014 | 52.4000 | 6 | MMbtu |
| NG Firm Phys, FP, PGE-Citygate | 04-Jul-08 | 07-Jul-08 | 12.250 | 12.275 | 12.150 | 12.605 | 12.2155 | 115.6000 | 19 | MMbtu |
| NG Firm Phys, ID, GDD, PGE-Citygate | 04-Jul-08 | 07-Jul-08 | 0.000 | 0.000 | 0.000 | 0.000 | 0.0000 | 40.0000 | 4 | MMbtu |
| NGX Fin FF, FP for AESO Flat, Alberta | 03-Jul-08 | 03-Jul-08 | 85.0 | 90.0 | 85.0 | 90.0 | 88.9744 | 195.0 | 9 | MWh |
| NGX Fin FF, FP for AESO Flat, Alberta | 04-Jul-08 | 04-Jul-08 | 95.0 | 105.0 | 95.0 | 106.5 | 97.0000 | 125.0 | 5 | MWh |
| NGX Fin FF, FP for AESO Flat, Alberta | 01-Aug-08 | 31-Aug-08 | 105.8 | 105.8 | 105.4 | 105.8 | 105.7063 | 40.0 | 8 | MWh |
| NGX Fin FF, FP for AESO Flat, Alberta | 01-Sep-08 | 30-Sep-08 | 87.0 | 87.0 | 87.0 | 87.0 | 87.0000 | 175.0 | 9 | MWh |
| NGX Fin FF, FP for AESO Flat, Alberta | 01-Oct-08 | 31-Oct-08 | 89.3 | 89.3 | 89.3 | 89.8 | 89.2500 | 25.0 | 1 | MWh |
| NGX Fin FF, FP for AESO Ext Off Peak, Alberta | 01-Sep-08 | 30-Sep-08 | 32.0 | 32.0 | 32.0 | 33.8 | 32.0000 | 100.0 | 4 | MWh |