NY RES FUEL 1.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE Code-02165B OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 6,379 COMMITMENTS 1,180 1,480 0 4,273 3,824 5,453 5,304 926 1,075 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 221) 0 0 0 -79 -79 -79 -79 300 300 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 18.5 23.2 0.0 67.0 59.9 85.5 83.1 14.5 16.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 26) 2 2 0 16 19 18 21 NO. 2 HEATING OIL, N.Y. HARBOR - NEW YORK MERCANTILE EXCHANGE Code-022651 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 42,000 U.S. GALLONS) OPEN INTEREST: 210,812 COMMITMENTS 19,477 12,270 38,073 116,516 128,550 174,066 178,893 36,746 31,919 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 3,707) -4,680 3,698 1,231 8,367 -4,316 4,919 613 -1,212 3,094 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 9.2 5.8 18.1 55.3 61.0 82.6 84.9 17.4 15.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 142) 33 28 38 67 75 123 121 NATURAL GAS - NEW YORK MERCANTILE EXCHANGE Code-023651 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (10,000 MMBTU'S) OPEN INTEREST: 1,439,389 COMMITMENTS 101,799 71,832 726,092 528,071 603,464 1355961 1401388 83,427 38,001 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 7,951) 9,339 5,551 4,918 -7,188 -2,117 7,070 8,352 881 -401 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 7.1 5.0 50.4 36.7 41.9 94.2 97.4 5.8 2.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 233) 69 62 99 95 87 218 199 E-MINY NATURAL GAS - NEW YORK MERCANTILE EXCHANGE Code-023655 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 11,797 COMMITMENTS 2,680 7,549 1,598 2,744 328 7,022 9,475 4,775 2,322 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: .) . . . . . . . . . PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 22.7 64.0 13.5 23.3 2.8 59.5 80.3 40.5 19.7 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 23) 7 12 4 3 2 13 15 MICHCON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365A OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 75,656 COMMITMENTS 20 4,914 9,700 59,748 53,131 69,468 67,745 6,188 7,911 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 1,814) -376 0 252 3,568 519 3,444 771 -1,630 1,043 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 6.5 12.8 79.0 70.2 91.8 89.5 8.2 10.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 28) 1 1 2 21 23 23 25 PERMIAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365B OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 46,181 COMMITMENTS 6,851 2,221 1,978 30,812 36,093 39,641 40,292 6,540 5,889 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 2,409) 2,215 278 -432 -66 2,776 1,717 2,622 692 -213 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 14.8 4.8 4.3 66.7 78.2 85.8 87.2 14.2 12.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 30) 3 2 4 20 21 25 25 M-3 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365C OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 121,491 COMMITMENTS 8,818 0 1,824 101,251 109,170 111,893 110,994 9,598 10,497 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 4,624) 1,914 0 0 1,436 4,564 3,350 4,564 1,274 60 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 7.3 0.0 1.5 83.3 89.9 92.1 91.4 7.9 8.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 37) 2 0 1 26 26 28 27 TCO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365D OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 78,289 COMMITMENTS 11,984 0 0 59,562 68,174 71,546 68,174 6,743 10,115 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: -1,646) 0 0 0 -1,736 -3,018 -1,736 -3,018 90 1,372 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 15.3 0.0 0.0 76.1 87.1 91.4 87.1 8.6 12.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 32) 1 0 0 24 22 25 22 MALIN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365E OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 71,781 COMMITMENTS 424 10,453 2,860 63,326 54,516 66,610 67,829 5,171 3,952 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 1,115) 0 4,301 -1,480 2,475 -1,584 995 1,237 120 -122 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.6 14.6 4.0 88.2 75.9 92.8 94.5 7.2 5.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 1 3 2 19 20 22 23 PG&E CITYGATE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365F OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 60,557 COMMITMENTS 1,951 2,486 6,202 47,381 43,571 55,534 52,259 5,023 8,298 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 1,624) 457 -3,171 623 -36 2,311 1,044 -237 580 1,861 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 3.2 4.1 10.2 78.2 72.0 91.7 86.3 8.3 13.7 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 29) 3 2 3 19 20 23 24 NGPL TEXOK BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365G OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 114,873 COMMITMENTS 0 9,687 5,767 98,357 90,088 104,124 105,542 10,749 9,331 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 3,315) 0 -252 1,600 1,321 2,563 2,921 3,911 394 -596 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 8.4 5.0 85.6 78.4 90.6 91.9 9.4 8.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 40) 0 2 2 33 28 35 30 SUMAS BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365J OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 38,354 COMMITMENTS 130 5,956 1,425 27,410 27,779 28,965 35,160 9,389 3,194 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 224) -180 -300 310 -120 0 10 10 214 214 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.3 15.5 3.7 71.5 72.4 75.5 91.7 24.5 8.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 23) 1 2 3 15 19 18 22 NGPL MID-CON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365K OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 72,433 COMMITMENTS 0 11,019 4,447 58,047 48,155 62,494 63,621 9,939 8,812 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 2,895) 0 -4,158 1,754 610 5,391 2,364 2,987 531 -92 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 15.2 6.1 80.1 66.5 86.3 87.8 13.7 12.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 22) 0 2 2 18 15 20 17 VENTURA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365M OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 51,288 COMMITMENTS 5,069 368 1,634 39,945 43,150 46,648 45,152 4,640 6,136 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 1,056) 226 0 -866 1,696 1,620 1,056 754 0 302 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 9.9 0.7 3.2 77.9 84.1 91.0 88.0 9.0 12.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 22) 1 1 1 15 15 16 17 DOMINION BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365N OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 78,603 COMMITMENTS 5,986 0 122 62,758 71,648 68,866 71,770 9,737 6,833 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: -3,158) -1,214 0 122 -2,786 -4,488 -3,878 -4,366 720 1,208 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 7.6 0.0 0.2 79.8 91.2 87.6 91.3 12.4 8.7 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 29) 2 0 1 25 24 27 25 WAHA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365O OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 80,577 COMMITMENTS 1,037 6,340 5,283 68,166 61,815 74,486 73,438 6,091 7,139 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 3,094) 1,037 -2,475 669 1,388 4,296 3,094 2,490 0 604 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 1.3 7.9 6.6 84.6 76.7 92.4 91.1 7.6 8.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 38) 1 2 1 30 28 31 31 CIG BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365P OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 64,665 COMMITMENTS 1,007 0 3,886 49,903 52,699 54,796 56,585 9,869 8,080 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: -42) 1,007 -474 -666 405 2,883 746 1,743 -788 -1,785 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 1.6 0.0 6.0 77.2 81.5 84.7 87.5 15.3 12.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 29) 1 0 1 21 21 22 22 HENRY HUB INDEX SWAP - NEW YORK MERCANTILE EXCHANGE Code-023A09 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 52,134 COMMITMENTS 40 3,906 1,200 50,286 47,028 51,526 52,134 608 0 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: .) . . . . . . . . . PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.1 7.5 2.3 96.5 90.2 98.8 100.0 1.2 0.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 20) 1 2 1 11 12 12 15 ALBERTA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035650 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 184,676 COMMITMENTS 830 9,089 15,094 156,364 153,429 172,288 177,612 12,388 7,064 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 1,669) 0 -2,266 42 649 3,887 691 1,663 978 6 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.4 4.9 8.2 84.7 83.1 93.3 96.2 6.7 3.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 44) 1 4 5 38 33 43 38 CHICAGO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035651 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 94,914 COMMITMENTS 7,039 4,170 3,812 75,566 75,478 86,417 83,460 8,497 11,454 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 2,238) 356 0 420 1,244 1,668 2,020 2,088 218 150 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 7.4 4.4 4.0 79.6 79.5 91.0 87.9 9.0 12.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 33) 3 1 2 25 22 28 25 HENRY HUB BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035652 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 66,553 COMMITMENTS 40 3,258 1,200 64,705 60,671 65,945 65,129 608 1,424 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 11,874) 0 -1,962 0 11,754 13,594 11,754 11,632 120 242 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.1 4.9 1.8 97.2 91.2 99.1 97.9 0.9 2.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 1 2 1 17 18 18 21 HOUSTON SHIP CH BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035653 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 268,828 COMMITMENTS 10,711 471 5,601 246,953 255,369 263,265 261,441 5,563 7,387 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 9,074) 4,487 357 -427 8,847 7,328 12,907 7,258 -3,833 1,816 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 4.0 0.2 2.1 91.9 95.0 97.9 97.3 2.1 2.7 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 61) 3 3 6 48 47 55 53 NW PIPE ROCKIES BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035654 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 161,255 COMMITMENTS 14,311 142 10,505 127,143 145,210 151,959 155,857 9,296 5,398 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 5,086) -333 142 1,886 3,221 3,054 4,774 5,082 312 4 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 8.9 0.1 6.5 78.8 90.0 94.2 96.7 5.8 3.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 44) 3 1 4 35 35 39 39 PANHANDLE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035655 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 160,480 COMMITMENTS 0 2,937 9,887 140,525 136,415 150,412 149,239 10,068 11,241 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 2,446) -6,556 2,595 2,014 11,055 123 6,513 4,732 -4,067 -2,286 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 1.8 6.2 87.6 85.0 93.7 93.0 6.3 7.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 47) 0 3 3 36 36 39 39 SOCAL BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035657 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 175,801 COMMITMENTS 13,009 893 30,112 125,476 135,843 168,597 166,848 7,204 8,953 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 7,146) -2,603 0 4,081 5,079 3,615 6,557 7,696 589 -550 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 7.4 0.5 17.1 71.4 77.3 95.9 94.9 4.1 5.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 48) 5 3 7 32 35 39 43 TRANSCO ZONE 6 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035658 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 55,283 COMMITMENTS 0 4,510 122 51,076 39,910 51,198 44,542 4,085 10,741 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 1,464) 0 1,612 0 2,258 772 2,258 2,384 -794 -920 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 8.2 0.2 92.4 72.2 92.6 80.6 7.4 19.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 0 2 1 20 19 21 21 HENRY HUB GAS SWAP - NEW YORK MERCANTILE EXCHANGE Code-03565B OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 3,033,933 COMMITMENTS 450,684 81,855 1099166 1461437 1838372 3011287 3019393 22,646 14,540 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 94,703) -67,459 -10,161 92,851 66,418 10,299 91,810 92,989 2,893 1,714 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 14.9 2.7 36.2 48.2 60.6 99.3 99.5 0.7 0.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 149) 26 16 41 104 86 146 129 HENRY HUB PENULTIMATE GAS SWAP - NEW YORK MERCANTILE EXCHANGE Code-03565C OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 710,572 COMMITMENTS 156,825 134,235 165,218 385,587 407,828 707,630 707,281 2,942 3,291 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 18,432) 1,990 -2,174 10,711 6,926 10,216 19,627 18,753 -1,195 -321 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 22.1 18.9 23.3 54.3 57.4 99.6 99.5 0.4 0.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 70) 17 14 25 39 36 68 63 PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE Code-064657 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (40 MEGAWATT HOURS PER PEAK DAY) OPEN INTEREST: 72,156 COMMITMENTS 10,305 2,618 7,130 53,921 61,724 71,356 71,472 800 684 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 1,318) 388 -43 -159 1,216 1,802 1,445 1,600 -127 -282 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 14.3 3.6 9.9 74.7 85.5 98.9 99.1 1.1 0.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 57) 9 4 11 41 40 55 51 NYISO ZONE A LBMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465A OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS 0F 400 MEGAWATT HOURS) OPEN INTEREST: 29,991 COMMITMENTS 1,324 3,428 212 27,839 25,990 29,375 29,630 616 361 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 5,220) 0 0 0 4,710 5,220 4,710 5,220 510 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 4.4 11.4 0.7 92.8 86.7 97.9 98.8 2.1 1.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 38) 1 4 1 25 22 26 27 NYISO ZONE G LBMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465B OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS 0F 400 MEGAWATT HOURS) OPEN INTEREST: 20,248 COMMITMENTS 1,845 172 69 18,288 19,961 20,202 20,202 46 46 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 3,874) 0 0 0 3,828 3,828 3,828 3,828 46 46 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 9.1 0.8 0.3 90.3 98.6 99.8 99.8 0.2 0.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 30) 3 1 1 17 17 20 19 NYISO ZONE J LBMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465C OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS 0F 400 MEGAWATT HOURS) OPEN INTEREST: 15,701 COMMITMENTS 556 1,653 69 14,669 13,919 15,294 15,641 407 60 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 0) 0 0 0 0 0 0 0 0 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 3.5 10.5 0.4 93.4 88.7 97.4 99.6 2.6 0.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 23) 1 3 1 15 12 17 15 ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465H OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (40 MEGAWATT HOURS PER PEAK DAY) OPEN INTEREST: 26,254 COMMITMENTS 3,020 4,278 110 22,852 21,646 25,982 26,034 272 220 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 20) 0 -60 0 20 60 20 0 0 20 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 11.5 16.3 0.4 87.0 82.4 99.0 99.2 1.0 0.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 31) 2 3 2 21 22 24 26 PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465M OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2.5 MEGAWATTS PER OFF PEAK HRS) OPEN INTEREST: 26,819 COMMITMENTS 3,160 190 330 22,029 25,468 25,519 25,988 1,300 831 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 112) 0 0 0 80 80 80 80 32 32 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 11.8 0.7 1.2 82.1 95.0 95.2 96.9 4.8 3.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 31) 2 1 2 22 23 25 25 NORTH ILL OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465N OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2.5 MEGAWATTS PER OFF PEAK HRS) OPEN INTEREST: 22,458 COMMITMENTS 840 222 868 20,700 21,368 22,408 22,458 50 0 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 240) -240 0 240 240 0 240 240 0 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 3.7 1.0 3.9 92.2 95.1 99.8 100.0 0.2 0.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 20) 2 1 3 14 15 17 18 ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465S OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2.5 MEGAWATTS PER OFF PEAK HRS) OPEN INTEREST: 14,068 COMMITMENTS 360 12 1,080 12,406 12,816 13,846 13,908 222 160 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 0) 0 0 0 0 0 0 0 0 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 2.6 0.1 7.7 88.2 91.1 98.4 98.9 1.6 1.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 23) 1 1 1 15 16 17 17 CRUDE OIL, LIGHT SWEET - NEW YORK MERCANTILE EXCHANGE Code-067651 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 1,883,364 COMMITMENTS 198,498 93,044 623,133 992,594 1089606 1814224 1805783 69,140 77,581 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 33,490) -16,299 -9,975 24,735 28,727 15,158 37,164 29,919 -3,673 3,572 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 10.5 4.9 33.1 52.7 57.9 96.3 95.9 3.7 4.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 336) 124 100 167 90 97 300 290 E-MINY CRUDE OIL, LIGHT SWEET - NEW YORK MERCANTILE EXCHANGE Code-067655 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 500 BARRELS) OPEN INTEREST: 39,362 COMMITMENTS 21,289 22,839 4,643 1,535 554 27,467 28,036 11,895 11,326 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: -1,551) -7,031 -4,697 2,045 1,535 -326 -3,451 -2,978 1,900 1,427 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 54.1 58.0 11.8 3.9 1.4 69.8 71.2 30.2 28.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 40) 22 16 15 1 1 29 26 WTI CRUDE OIL FINANCIAL - NEW YORK MERCANTILE EXCHANGE Code-06765I OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 33,912 COMMITMENTS 6,434 8,763 3,962 12,644 11,089 23,040 23,814 10,872 10,098 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: -153) -641 581 68 176 -1,751 -397 -1,102 244 949 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 19.0 25.8 11.7 37.3 32.7 67.9 70.2 32.1 29.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 29) 7 9 11 12 12 26 25 PALLADIUM - NEW YORK MERCANTILE EXCHANGE Code-075651 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 100 TROY OUNCES) OPEN INTEREST: 12,911 COMMITMENTS 6,535 1,685 927 3,140 9,865 10,602 12,477 2,309 434 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 523) 136 -466 180 197 768 513 482 10 41 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 50.6 13.1 7.2 24.3 76.4 82.1 96.6 17.9 3.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 106) 54 9 6 19 27 77 40 PLATINUM - NEW YORK MERCANTILE EXCHANGE Code-076651 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 50 TROY OUNCES) OPEN INTEREST: 9,948 COMMITMENTS 5,652 443 388 1,594 8,165 7,634 8,996 2,314 952 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: -228) -133 -85 80 -60 -246 -113 -251 -115 23 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 56.8 4.5 3.9 16.0 82.1 76.7 90.4 23.3 9.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 56) 25 2 4 7 20 35 26 UNLEADED GASOLINE, N.Y. HARBOR - NEW YORK MERCANTILE EXCHANGE Code-111652 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 42,000 U.S. GALLONS) OPEN INTEREST: 86,054 COMMITMENTS 11,225 5,002 13,519 46,417 57,934 71,160 76,455 14,894 9,599 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: -9,647) -10,015 -1,364 388 1,672 -9,170 -7,954 -10,145 -1,692 498 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 13.0 5.8 15.7 53.9 67.3 82.7 88.8 17.3 11.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 128) 38 17 24 56 64 102 97 GASOLINE BLENDSTOCK (RBOB) - NEW YORK MERCANTILE EXCHANGE Code-111659 OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 42,000 U.S. GALLONS) OPEN INTEREST: 63,625 COMMITMENTS 12,016 202 5,448 41,357 53,157 58,821 58,807 4,803 4,817 CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST: 5,482) 140 -838 -226 5,148 6,188 5,062 5,124 421 358 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 18.9 0.3 8.6 65.0 83.5 92.5 92.4 7.5 7.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 70) 13 4 9 39 45 57 54
Updated August 18, 2006