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