Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE (40 MEGAWATT HOURS PER PEAK DAY) : CFTC Code #064657 Open Interest is 191,585 : : Positions : : 120,007 113,541 2,537 13,067 48,353 1,555 298 14,506 331 0 1,032 : : : : Changes from: August 24, 2010 : : -4,288 -5,070 -644 750 -1,967 294 -328 1,059 29 0 -7 : : : : Percent of Open Interest Represented by Each Category of Trader : : 62.6 59.3 1.3 6.8 25.2 0.8 0.2 7.6 0.2 0.0 0.5 : : : : Number of Traders in Each Category Total Traders: 41 : : 26 19 4 4 7 . . 4 . 0 . : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- NYISO ZONE A LBMP SWAP - NEW YORK MERCANTILE EXCHANGE (CONTRACTS 0F 400 MEGAWATT HOURS) : CFTC Code #06465A Open Interest is 8,829 : : Positions : : 7,026 4,821 196 3,045 365 432 0 0 0 42 0 : : : : Changes from: August 24, 2010 : : -255 0 0 0 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 79.6 54.6 2.2 34.5 4.1 4.9 0.0 0.0 0.0 0.5 0.0 : : : : Number of Traders in Each Category Total Traders: 23 : : 14 11 . . . . 0 0 0 . 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE (40 MEGAWATT HOURS PER PEAK DAY) : CFTC Code #06465H Open Interest is 17,791 : : Positions : : 10,722 11,353 2,823 1,677 2,845 0 300 140 0 404 0 : : : : Changes from: August 24, 2010 : : 245 -68 -3 2 -59 0 120 -100 0 50 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 60.3 63.8 15.9 9.4 16.0 0.0 1.7 0.8 0.0 2.3 0.0 : : : : Number of Traders in Each Category Total Traders: 28 : : 14 15 4 . 5 0 . . 0 . 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE (2.5 MEGAWATTS PER OFF PEAK HRS) : CFTC Code #06465M Open Interest is 31,823 : : Positions : : 19,655 12,321 1,514 9,084 7,284 0 1,560 70 0 580 130 : : : : Changes from: August 24, 2010 : : -64 42 32 0 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 61.8 38.7 4.8 28.5 22.9 0.0 4.9 0.2 0.0 1.8 0.4 : : : : Number of Traders in Each Category Total Traders: 29 : : 17 15 . 6 7 0 . . 0 . . : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE (2.5 MEGAWATTS PER OFF PEAK HRS) : CFTC Code #06465S Open Interest is 12,686 : : Positions : : 7,110 7,890 1,980 2,307 1,087 400 0 60 226 0 56 : : : : Changes from: August 24, 2010 : : 20 40 0 0 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 56.0 62.2 15.6 18.2 8.6 3.2 0.0 0.5 1.8 0.0 0.4 : : : : Number of Traders in Each Category Total Traders: 21 : : 11 11 . . 5 . 0 . . 0 . : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- ISO NEW ENG CONN PEAK SWAP - NEW YORK MERCANTILE EXCHANGE (Contracts of 80 Megawatt Hours) : CFTC Code #06465T Open Interest is 33,844 : : Positions : : 22,982 19,329 3,212 4,165 7,650 0 0 0 0 2,700 0 : : : : Changes from: August 24, 2010 : : 0 0 0 0 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 67.9 57.1 9.5 12.3 22.6 0.0 0.0 0.0 0.0 8.0 0.0 : : : : Number of Traders in Each Category Total Traders: 22 : : 12 7 . . . 0 0 0 0 . 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- CINERGY CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE (40 MEGAWATT HOURS PER PEAK DAY) : CFTC Code #064A01 Open Interest is 47,372 : : Positions : : 32,741 31,861 2,497 3,247 10,878 40 446 370 40 0 0 : : : : Changes from: August 24, 2010 : : 250 -160 76 360 -686 40 21 -27 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 69.1 67.3 5.3 6.9 23.0 0.1 0.9 0.8 0.1 0.0 0.0 : : : : Number of Traders in Each Category Total Traders: 31 : : 19 18 4 4 6 . . . . 0 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- CINERGY OFF PEAK LMP SWAP - NEW YORK MERCANTILE EXCHANGE (2.5 MW X OFF PEAK HOURS PER MONTH) : CFTC Code #064A02 Open Interest is 10,181 : : Positions : : 6,834 3,142 1,078 4,734 1,078 0 0 0 0 0 0 : : : : Changes from: August 24, 2010 : : 36 2 0 4 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 67.1 30.9 10.6 46.5 10.6 0.0 0.0 0.0 0.0 0.0 0.0 : : : : Number of Traders in Each Category Total Traders: 22 : : 15 12 . 4 4 0 0 0 0 0 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- PJM N ILL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE (Contracts of 80 Megawatt Hours) : CFTC Code #064A34 Open Interest is 55,611 : : Positions : : 52,967 38,713 2,134 16,344 510 0 0 0 0 0 0 : : : : Changes from: August 24, 2010 : : 189 189 0 0 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 95.2 69.6 3.8 29.4 0.9 0.0 0.0 0.0 0.0 0.0 0.0 : : : : Number of Traders in Each Category Total Traders: 22 : : 10 8 . . . 0 0 0 0 0 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- PJM N ILL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE (Contracts of 5 Megawatt Hours) : CFTC Code #064A35 Open Interest is 818,162 : : Positions : : 764,079 532,420 47,835 279,494 6,248 0 0 0 0 0 0 : : : : Changes from: August 24, 2010 : : 0 0 0 0 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 93.4 65.1 5.8 34.2 0.8 0.0 0.0 0.0 0.0 0.0 0.0 : : : : Number of Traders in Each Category Total Traders: 21 : : 10 6 . . . 0 0 0 0 0 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- PJM PEPCO PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE (Contracts of 80 Megawatt Hours) : CFTC Code #064A50 Open Interest is 41,889 : : Positions : : 35,719 39,209 6,170 410 0 0 0 0 0 2,270 0 : : : : Changes from: August 24, 2010 : : 0 -650 -650 0 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 85.3 93.6 14.7 1.0 0.0 0.0 0.0 0.0 0.0 5.4 0.0 : : : : Number of Traders in Each Category Total Traders: 20 : : 12 5 . . 0 0 0 0 0 . 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- PJM PPL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE (Contracts of 80 Megawatt Hours) : CFTC Code #064A52 Open Interest is 37,451 : : Positions : : 31,653 34,646 4,990 2,805 0 0 0 0 0 0 0 : : : : Changes from: August 24, 2010 : : 0 0 0 0 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 84.5 92.5 13.3 7.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 : : : : Number of Traders in Each Category Total Traders: 23 : : 9 10 5 . 0 0 0 0 0 0 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- PJM PPL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE (Contracts of 5 Megawatt Hours) : CFTC Code #064A53 Open Interest is 548,539 : : Positions : : 472,365 493,959 76,174 54,580 0 0 0 0 0 0 0 : : : : Changes from: August 24, 2010 : : 0 0 0 0 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 86.1 90.0 13.9 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 : : : : Number of Traders in Each Category Total Traders: 22 : : 9 10 4 . 0 0 0 0 0 0 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- PJM PSEG PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE (Contracts of 80 Megawatt Hours) : CFTC Code #064A54 Open Interest is 82,349 : : Positions : : 34,358 54,562 47,883 27,787 0 0 0 0 0 0 0 : : : : Changes from: August 24, 2010 : : 4,575 2,015 0 2,560 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 41.7 66.3 58.1 33.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 : : : : Number of Traders in Each Category Total Traders: 28 : : 11 15 6 . 0 0 0 0 0 0 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- PJM PSEG OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE (Contracts of 5 Megawatt Hours) : CFTC Code #064A55 Open Interest is 1,394,320 : : Positions : : 544,337 959,560 849,983 434,760 0 0 0 0 0 0 0 : : : : Changes from: August 24, 2010 : : 70,320 23,440 0 46,880 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 39.0 68.8 61.0 31.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 : : : : Number of Traders in Each Category Total Traders: 26 : : 11 12 6 . 0 0 0 0 0 0 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- PJM WESTERN PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE (Contracts of 80 Megawatt Hours) : CFTC Code #064A56 Open Interest is 223,054 : : Positions : : 127,100 152,975 90,405 67,751 2,328 0 0 0 2,710 0 0 : : : : Changes from: August 24, 2010 : : -236 2,673 2,282 -627 928 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 57.0 68.6 40.5 30.4 1.0 0.0 0.0 0.0 1.2 0.0 0.0 : : : : Number of Traders in Each Category Total Traders: 42 : : 22 25 4 6 . 0 0 0 . 0 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- PJM WESTERN OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE (Contracts of 50 MEGAWATT HOURS) : CFTC Code #064A57 Open Interest is 3,805,459 : : Positions : :2,208,207 2,614,024 1,556,893 1,151,076 40,359 0 0 0 0 0 0 : : : : Changes from: August 24, 2010 : : 1,567 43,767 26,131 -16,069 19,148 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 58.0 68.7 40.9 30.2 1.1 0.0 0.0 0.0 0.0 0.0 0.0 : : : : Number of Traders in Each Category Total Traders: 37 : : 20 17 5 5 . 0 0 0 0 0 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- PJM WESTERN PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE (Contracts of 80 Megawatt Hours) : CFTC Code #064A58 Open Interest is 63,920 : : Positions : : 53,412 58,144 6,275 213 2,958 0 0 0 1,275 2,350 0 : : : : Changes from: August 24, 2010 : : -194 21 0 -215 215 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 83.6 91.0 9.8 0.3 4.6 0.0 0.0 0.0 2.0 3.7 0.0 : : : : Number of Traders in Each Category Total Traders: 36 : : 22 17 4 . . 0 0 0 . . 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- PJM WESTERN OFF PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE (Contracts of 5 Megawatt Hours) : CFTC Code #064A59 Open Interest is 1,123,845 : : Positions : : 966,900 947,670 44,122 16,632 89,423 0 3,800 0 23,400 66,320 0 : : : : Changes from: August 24, 2010 : : 1,536 4,247 3,095 384 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 86.0 84.3 3.9 1.5 8.0 0.0 0.3 0.0 2.1 5.9 0.0 : : : : Number of Traders in Each Category Total Traders: 35 : : 19 19 5 . 4 0 . 0 . . 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- ISO NEW ENG INT HUB PEAK SWAP - NEW YORK MERCANTILE EXCHANGE (Contracts of 80 Megawatt Hours) : CFTC Code #064A60 Open Interest is 64,051 : : Positions : : 47,854 39,177 2,920 14,187 10,577 0 0 0 2,700 110 0 : : : : Changes from: August 24, 2010 : : -105 -105 0 0 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 74.7 61.2 4.6 22.1 16.5 0.0 0.0 0.0 4.2 0.2 0.0 : : : : Number of Traders in Each Category Total Traders: 36 : : 20 20 . 6 6 0 0 0 . . 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- NYISO ZONE 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE (Contracts of 80 Megawatt Hours) : CFTC Code #064A66 Open Interest is 9,766 : : Positions : : 8,033 5,716 1,043 2,779 324 0 0 0 130 564 86 : : : : Changes from: August 24, 2010 : : 0 0 0 0 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 82.3 58.5 10.7 28.5 3.3 0.0 0.0 0.0 1.3 5.8 0.9 : : : : Number of Traders in Each Category Total Traders: 22 : : 13 10 . . . 0 0 0 . . . : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- NYISO ZONE G 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE (Contracts of 80 Megawatt Hours) : CFTC Code #064A68 Open Interest is 33,102 : : Positions : : 25,981 26,824 4,636 3,295 2,421 0 0 0 0 220 0 : : : : Changes from: August 24, 2010 : : 623 521 -7 -12 10 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 78.5 81.0 14.0 10.0 7.3 0.0 0.0 0.0 0.0 0.7 0.0 : : : : Number of Traders in Each Category Total Traders: 21 : : 11 8 4 4 . 0 0 0 0 . 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- ISO NEW ENG CONN OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE (Contracts of 5 Megawatt Hours) : CFTC Code #064A71 Open Interest is 597,150 : : Positions : : 397,093 332,497 59,657 75,628 140,400 0 0 0 0 48,625 0 : : : : Changes from: August 24, 2010 : : 0 0 0 0 0 0 0 0 0 0 0 : : : : Percent of Open Interest Represented by Each Category of Trader : : 66.5 55.7 10.0 12.7 23.5 0.0 0.0 0.0 0.0 8.1 0.0 : : : : Number of Traders in Each Category Total Traders: 21 : : 10 7 4 . . 0 0 0 0 . 0 : ---------------------------------------------------------------------------------------------------------------- Disaggregated Commitments of Traders- Options and Futures Combined Positions as of August 31, 2010 : Reportable Positions : :------------------------------------------------------------------------------------------------------------- : : Producer/Merchant : : : : : Processor/User : Swap Dealers : Managed Money : Other Reportables : : Long : Short : Long : Short :Spreading: Long : Short :Spreading: Long : Short :Spreading : ---------------------------------------------------------------------------------------------------------------- ISO NEW ENG HUB OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE (Contracts of 5 Megawatt Hours) : CFTC Code #064A78 Open Interest is 1,184,934 : : Positions : : 884,477 674,813 29,621 273,088 210,521 0 23,400 0 57,203 0 3,112 : : : : Changes from: August 24, 2010 : : 11,690 23,380 0 0 0 0 0 0 8,578 -3,112 3,112 : : : : Percent of Open Interest Represented by Each Category of Trader : : 74.6 56.9 2.5 23.0 17.8 0.0 2.0 0.0 4.8 0.0 0.3 : : : : Number of Traders in Each Category Total Traders: 38 : : 20 18 . 5 4 0 . 0 . 0 . : ----------------------------------------------------------------------------------------------------------------
Updated September 3, 2010