| NGX Union-Dawn Day Ahead Index |
|   |   |   |   |   |   |   | Price ($US/MMBtu) |   | Price ($C/GJ) |
| Trading Date | Clearing Date | Strip Begin Date | Strip End Date | Day Range | Total Quantity Traded (BBtu) | Number of Trades | High | Low | Weighted Average | Exchange Rate | Weighted Average |
| Tuesday, January 31, 2012 | Feb-1 | 01-Feb-12 | 01-Feb-12 | Wednesday | 1,343.6 | 195 | 2.960 | 2.910 | 2.9316 | 0.9948 | 2.7931 |
| Wednesday, February 1, 2012 | Feb-2 | 02-Feb-12 | 02-Feb-12 | Thursday | 1,373.6 | 190 | 2.830 | 2.765 | 2.7986 | 1.0029 | 2.6449 |
| Thursday, February 2, 2012 | Feb-3 | 03-Feb-12 | 03-Feb-12 | Friday | 1,301.2 | 181 | 2.895 | 2.770 | 2.8056 | 1.0015 | 2.6552 |
| Friday, February 3, 2012 | Feb-4 - Feb-6 | 04-Feb-12 | 06-Feb-12 | Saturday - Monday | 1,205.7 | 180 | 2.945 | 2.890 | 2.9230 | 1.0055 | 2.7553 |
| Friday, February 3, 2012 | | 04-Feb-12 | 06-Feb-12 | WKD | 3,617.1 | 180 | 2.945 | 2.890 | 2.9230 | 1.0055 | 2.7553 |
| |
| February 2012 Totals: | | | | | 7,635.5 | 746 | 2.960 | 2.765 | 2.8841 | N/A | N/A |
| |
| January 2012 Totals: | | | | | 34,028.4 | 3,056 | 3.420 | 2.650 | 3.0939 | N/A | N/A |
| December 2011 Totals: | | | | | 41,563.2 | 3,985 | 4.020 | 3.288 | 3.6289 | N/A | N/A |
| November 2011 Totals: | | | | | 52,255.8 | 4,672 | 4.270 | 3.620 | 3.8854 | N/A | N/A |
| October 2011 Totals: | | | | | 41,163.6 | 3,763 | 4.300 | 3.470 | 3.8266 | N/A | N/A |
| September 2011 Totals: | | | | | 28,118.1 | 2,602 | 4.535 | 3.995 | 4.2192 | N/A | N/A |
| August 2011 Totals: | | | | | 30,155.5 | 2,965 | 4.580 | 4.170 | 4.3550 | N/A | N/A |
| July 2011 Totals: | | | | | 29,700.7 | 2,817 | 4.915 | 4.330 | 4.6456 | N/A | N/A |
| June 2011 Totals: | | | | | 33,284.6 | 3,303 | 5.260 | 4.465 | 4.8208 | N/A | N/A |
| May 2011 Totals: | | | | | 30,816.4 | 2,971 | 5.120 | 4.440 | 4.6768 | N/A | N/A |
| April 2011 Totals: | | | | | 22,953.5 | 2,230 | 4.840 | 4.370 | 4.6009 | N/A | N/A |
| March 2011 Totals: | | | | | 36,475.6 | 3,655 | 4.903 | 4.160 | 4.4481 | N/A | N/A |
| February 2011 Totals: | | | | | 30,599.3 | 2,971 | 5.098 | 4.275 | 4.5139 | N/A | N/A |
| January 2011 Totals: | | | | | 28,871.3 | 2,746 | 5.110 | 4.590 | 4.8692 | N/A | N/A |
| December 2010 Totals: | | | | | 33,805.2 | 3,134 | 4.950 | 4.390 | 4.6511 | N/A | N/A |
| November 2010 Totals: | | | | | 27,497.0 | 2,739 | 4.825 | 3.670 | 4.4130 | N/A | N/A |
| October 2010 Totals: | | | | | 23,523.0 | 2,302 | 4.288 | 3.500 | 3.9234 | N/A | N/A |
| September 2010 Totals: | | | | | 27,162.2 | 2,667 | 4.470 | 4.060 | 4.2836 | N/A | N/A |
| August 2010 Totals: | | | | | 30,305.6 | 2,972 | 5.180 | 4.070 | 4.6224 | N/A | N/A |
| July 2010 Totals: | | | | | 34,221.3 | 3,155 | 5.260 | 4.570 | 4.8675 | N/A | N/A |
| June 2010 Totals: | | | | | 26,817.5 | 2,751 | 5.440 | 4.585 | 5.1017 | N/A | N/A |
| May 2010 Totals: | | | | | 27,156.3 | 2,490 | 4.810 | 4.230 | 4.4904 | N/A | N/A |
| April 2010 Totals: | | | | | 38,207.0 | 3,325 | 4.740 | 4.100 | 4.3987 | N/A | N/A |
| March 2010 Totals: | | | | | 31,071.4 | 3,199 | 5.170 | 4.085 | 4.6147 | N/A | N/A |
| February 2010 Totals: | | | | | 26,392.0 | 2,351 | 5.990 | 5.010 | 5.5773 | N/A | N/A |
| January 2010 Totals: | | | | | 35,221.9 | 2,806 | 6.500 | 5.480 | 6.0158 | N/A | N/A |
| December 2009 Totals: | | | | | 23,420.3 | 2,482 | 6.400 | 4.750 | 5.7610 | N/A | N/A |
| November 2009 Totals: | | | | | 30,166.6 | 2,784 | 4.875 | 2.400 | 3.8452 | N/A | N/A |
| October 2009 Totals: | | | | | 24,365.9 | 2,532 | 5.430 | 2.470 | 4.3740 | N/A | N/A |
| September 2009 Totals: | | | | | 28,451.8 | 2,838 | 3.770 | 1.985 | 3.0406 | N/A | N/A |
| August 2009 Totals: | | | | | 24,285.1 | 2,325 | 4.000 | 2.480 | 3.2799 | N/A | N/A |
| July 2009 Totals: | | | | | 26,735.8 | 2,662 | 3.910 | 3.290 | 3.5693 | N/A | N/A |
| June 2009 Totals: | | | | | 23,804.8 | 2,526 | 4.385 | 3.640 | 3.9497 | N/A | N/A |
| May 2009 Totals: | | | | | 29,563.6 | 2,799 | 4.855 | 3.590 | 4.1324 | N/A | N/A |
| April 2009 Totals: | | | | | 37,565.2 | 3,716 | 4.185 | 3.570 | 3.8914 | N/A | N/A |
| March 2009 Totals: | | | | | 31,167.6 | 3,192 | 4.740 | 3.830 | 4.2491 | N/A | N/A |
| February 2009 Totals: | | | | | 28,415.9 | 2,771 | 5.485 | 4.365 | 4.9090 | N/A | N/A |
| January 2009 Totals: | | | | | 36,498.4 | 3,205 | 6.750 | 5.170 | 5.8845 | N/A | N/A |
| December 2008 Totals: | | | | | 30,837.2 | 2,789 | 6.950 | 5.870 | 6.2710 | N/A | N/A |
| November 2008 Totals: | | | | | 25,657.0 | 2,309 | 7.490 | 6.300 | 6.8167 | N/A | N/A |
| October 2008 Totals: | | | | | 18,324.5 | 2,263 | 7.790 | 6.370 | 6.8752 | N/A | N/A |
| September 2008 Totals: | | | | | 20,051.0 | 2,242 | 8.250 | 7.100 | 7.5229 | N/A | N/A |
| August 2008 Totals: | | | | | 25,611.7 | 2,292 | 9.480 | 7.450 | 8.3987 | N/A | N/A |
| July 2008 Totals: | | | | | 27,444.2 | 2,478 | 13.700 | 8.900 | 11.5297 | N/A | N/A |
| June 2008 Totals: | | | | | 22,979.0 | 2,178 | 13.490 | 11.680 | 12.8269 | N/A | N/A |
| May 2008 Totals: | | | | | 24,810.7 | 2,468 | 12.310 | 10.840 | 11.6858 | N/A | N/A |
| April 2008 Totals: | | | | | 28,851.6 | 2,789 | 11.660 | 9.880 | 10.6728 | N/A | N/A |
| March 2008 Totals: | | | | | 26,787.1 | 2,318 | 10.550 | 9.065 | 9.8640 | N/A | N/A |
| February 2008 Totals: | | | | | 25,119.7 | 2,233 | 9.680 | 7.910 | 8.8270 | N/A | N/A |
| January 2008 Totals: | | | | | 28,582.5 | 2,454 | 8.675 | 7.580 | 8.1551 | N/A | N/A |
| December 2007 Totals: | | | | | 27,933.2 | 2,141 | 7.860 | 7.165 | 7.4951 | N/A | N/A |
| November 2007 Totals: | | | | | 24,683.6 | 2,496 | 8.080 | 6.620 | 7.3907 | N/A | N/A |
| October 2007 Totals: | | | | | 15,089.7 | 1,840 | 7.500 | 6.080 | 6.8438 | N/A | N/A |
| September 2007 Totals: | | | | | 21,868.4 | 1,956 | 6.600 | 5.390 | 6.0107 | N/A | N/A |
| August 2007 Totals: | | | | | 19,701.5 | 2,057 | 7.160 | 5.310 | 6.2721 | N/A | N/A |
| July 2007 Totals: | | | | | 16,747.7 | 1,545 | 6.840 | 5.760 | 6.4426 | N/A | N/A |
| June 2007 Totals: | | | | | 13,511.3 | 1,447 | 8.200 | 6.800 | 7.5768 | N/A | N/A |
| May 2007 Totals: | | | | | 19,123.7 | 1,733 | 8.360 | 7.720 | 7.9635 | N/A | N/A |
| April 2007 Totals: | | | | | 22,745.5 | 1,681 | 8.290 | 7.560 | 7.8775 | N/A | N/A |
| March 2007 Totals: | | | | | 20,854.1 | 1,679 | 7.835 | 7.020 | 7.3983 | N/A | N/A |
| February 2007 Totals: | | | | | 14,686.7 | 1,413 | 8.110 | 7.200 | 7.7437 | N/A | N/A |
| January 2007 Totals: | | | | | 21,071.4 | 1,797 | 7.600 | 5.530 | 6.4953 | N/A | N/A |
| December 2006 Totals: | | | | | 16,965.9 | 1,518 | 8.640 | 5.810 | 7.1091 | N/A | N/A |
| November 2006 Totals: | | | | | 16,259.1 | 1,510 | 8.500 | 6.900 | 7.6465 | N/A | N/A |
| October 2006 Totals: | | | | | 15,061.3 | 1,613 | 8.300 | 3.690 | 5.8885 | N/A | N/A |
| September 2006 Totals: | | | | | 15,527.5 | 1,351 | 6.070 | 4.020 | 5.1132 | N/A | N/A |
| August 2006 Totals: | | | | | 24,920.6 | 2,203 | 8.310 | 6.200 | 7.1013 | N/A | N/A |
| July 2006 Totals: | | | | | 19,375.7 | 1,441 | 7.150 | 5.200 | 5.9947 | N/A | N/A |
| June 2006 Totals: | | | | | 15,680.8 | 1,468 | 7.060 | 5.750 | 6.2947 | N/A | N/A |
| May 2006 Totals: | | | | | 12,614.4 | 1,157 | 7.090 | 5.950 | 6.4254 | N/A | N/A |
| April 2006 Totals: | | | | | 21,164.8 | 1,420 | 8.125 | 6.540 | 7.1947 | N/A | N/A |
| March 2006 Totals: | | | | | 18,351.0 | 1,460 | 7.310 | 6.400 | 6.8139 | N/A | N/A |
| February 2006 Totals: | | | | | 19,006.0 | 1,282 | 9.180 | 6.780 | 7.6857 | N/A | N/A |
| January 2006 Totals: | | | | | 19,596.2 | 1,438 | 10.100 | 7.760 | 8.8234 | N/A | N/A |
| December 2005 Totals: | | | | | 16,520.1 | 1,537 | 14.900 | 9.500 | 12.5683 | N/A | N/A |
| November 2005 Totals: | | | | | 18,996.6 | 1,514 | 11.750 | 6.710 | 9.4533 | N/A | N/A |
| October 2005 Totals: | | | | | 12,308.9 | 1,083 | 14.500 | 12.155 | 13.1239 | N/A | N/A |
| September 2005 Totals: | | | | | 18,178.9 | 1,451 | 14.140 | 10.465 | 11.5700 | N/A | N/A |
| August 2005 Totals: | | | | | 17,583.7 | 1,441 | 11.330 | 7.760 | 9.2358 | N/A | N/A |
| July 2005 Totals: | | | | | 18,210.8 | 1,270 | 8.065 | 7.030 | 7.5316 | N/A | N/A |
| June 2005 Totals: | | | | | 13,326.1 | 1,197 | 7.825 | 6.410 | 7.2303 | N/A | N/A |
| May 2005 Totals: | | | | | 13,149.3 | 1,118 | 7.020 | 6.350 | 6.6903 | N/A | N/A |
| April 2005 Totals: | | | | | 14,713.0 | 1,295 | 8.080 | 6.800 | 7.4484 | N/A | N/A |
| March 2005 Totals: | | | | | 19,166.1 | 1,643 | 7.700 | 6.805 | 7.2362 | N/A | N/A |
| February 2005 Totals: | | | | | 9,919.5 | 867 | 6.790 | 6.160 | 6.3604 | N/A | N/A |
| January 2005 Totals: | | | | | 13,334.8 | 1,100 | 6.770 | 5.760 | 6.3058 | N/A | N/A |
| December 2004 Totals: | | | | | 12,708.6 | 1,133 | 7.420 | 6.150 | 6.7681 | N/A | N/A |
| November 2004 Totals: | | | | | 10,893.7 | 1,142 | 7.820 | 5.100 | 6.4239 | N/A | N/A |
| October 2004 Totals: | | | | | 9,739.0 | 1,086 | 8.375 | 4.900 | 6.3331 | N/A | N/A |
| September 2004 Totals: | | | | | 17,590.3 | 1,360 | 6.550 | 4.490 | 5.1246 | N/A | N/A |
| August 2004 Totals: | | | | | 16,713.9 | 1,193 | 6.340 | 5.200 | 5.6733 | N/A | N/A |
| July 2004 Totals: | | | | | 15,838.5 | 1,120 | 6.525 | 5.945 | 6.1909 | N/A | N/A |
| June 2004 Totals: | | | | | 10,654.8 | 1,009 | 6.790 | 6.070 | 6.4114 | N/A | N/A |
| May 2004 Totals: | | | | | 11,471.3 | 948 | 6.975 | 6.080 | 6.5765 | N/A | N/A |
| April 2004 Totals: | | | | | 11,768.3 | 1,033 | 6.280 | 5.830 | 6.0585 | N/A | N/A |
| March 2004 Totals: | | | | | 11,066.5 | 959 | 5.970 | 5.400 | 5.7152 | N/A | N/A |
| February 2004 Totals: | | | | | 6,824.4 | 654 | 6.050 | 5.250 | 5.5918 | N/A | N/A |
| January 2004 Totals: | | | | | 8,238.8 | 719 | 7.180 | 5.600 | 6.0995 | N/A | N/A |
| December 2003 Totals: | | | | | 9,169.1 | 784 | 7.120 | 4.940 | 6.1360 | N/A | N/A |
| November 2003 Totals: | | | | | 13,109.7 | 949 | 5.320 | 4.150 | 4.8483 | N/A | N/A |
| October 2003 Totals: | | | | | 7,587.0 | 824 | 5.410 | 4.550 | 4.9654 | N/A | N/A |
| September 2003 Totals: | | | | | 5,354.8 | 538 | 5.075 | 4.540 | 4.8315 | N/A | N/A |
| August 2003 Totals: | | | | | 8,794.0 | 682 | 5.515 | 4.725 | 5.1722 | N/A | N/A |
| July 2003 Totals: | | | | | 5,476.0 | 522 | 5.765 | 4.780 | 5.2271 | N/A | N/A |
| June 2003 Totals: | | | | | 6,005.7 | 496 | 6.710 | 5.480 | 6.0879 | N/A | N/A |
| May 2003 Totals: | | | | | 4,280.9 | 413 | 6.500 | 5.440 | 5.9860 | N/A | N/A |
| April 2003 Totals: | | | | | 5,675.1 | 508 | 6.075 | 5.170 | 5.5901 | N/A | N/A |
| March 2003 Totals: | | | | | 8,315.4 | 686 | 16.000 | 5.170 | 7.4456 | N/A | N/A |
| February 2003 Totals: | | | | | 6,528.2 | 508 | 25.000 | 5.600 | 7.7014 | N/A | N/A |
| January 2003 Totals: | | | | | 13,172.5 | 711 | 6.650 | 4.660 | 5.3819 | N/A | N/A |
| December 2002 Totals: | | | | | 5,934.6 | 389 | 5.280 | 4.200 | 4.7456 | N/A | N/A |
| November 2002 Totals: | | | | | 7,719.4 | 451 | 4.650 | 3.820 | 4.1933 | N/A | N/A |
| October 2002 Totals: | | | | | 11,407.4 | 799 | 4.620 | 3.585 | 4.1158 | N/A | N/A |
| September 2002 Totals: | | | | | 8,012.3 | 510 | 4.027 | 3.050 | 3.5130 | N/A | N/A |
| August 2002 Totals: | | | | | 7,905.1 | 537 | 3.520 | 2.670 | 3.0565 | N/A | N/A |