GULF # 6 FUEL 3.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE Code-02165A OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 7,664 COMMITMENTS 1,175 0 325 4,964 7,289 6,464 7,614 1,200 50 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -165) 425 0 100 -690 -265 -165 -165 0 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 15.3 0.0 4.2 64.8 95.1 84.3 99.3 15.7 0.7 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 22) 2 0 2 16 13 18 15 NY RES FUEL 1.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE Code-02165B OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 14,607 COMMITMENTS 75 6,354 21 14,071 6,657 14,167 13,032 440 1,575 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -1,722) 0 -1,124 0 -1,697 -559 -1,697 -1,683 -25 -39 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.5 43.5 0.1 96.3 45.6 97.0 89.2 3.0 10.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 35) 1 2 1 28 26 30 28 EUR 3.5% FUEL OIL RTD CAL SWAP - NEW YORK MERCANTILE EXCHANGE Code-02165E OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 METRIC TONS) OPEN INTEREST: 2,041 COMMITMENTS 0 22 7 1,752 1,580 1,759 1,609 282 432 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: .) . . . . . . . . . PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 1.1 0.3 85.8 77.4 86.2 78.8 13.8 21.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 22) 0 1 1 20 18 21 19 SING FUEL OIL 180 CAL SWAP - NEW YORK MERCANTILE EXCHANGE Code-02165G OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 METRIC TONS) OPEN INTEREST: 3,400 COMMITMENTS 0 90 30 2,691 2,531 2,721 2,651 679 749 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: 306) 0 -5 10 463 300 473 305 -167 1 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 2.6 0.9 79.1 74.4 80.0 78.0 20.0 22.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 33) 0 1 1 26 28 27 29 NO. 2 HEATING OIL, N.Y. HARBOR - NEW YORK MERCANTILE EXCHANGE Code-022651 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 42,000 U.S. GALLONS) OPEN INTEREST: 226,418 COMMITMENTS 31,281 23,073 36,666 127,602 140,784 195,549 200,523 30,869 25,895 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -6,717) 5,306 1,566 -766 -8,679 -3,115 -4,139 -2,315 -2,578 -4,401 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 13.8 10.2 16.2 56.4 62.2 86.4 88.6 13.6 11.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 139) 31 35 32 59 67 111 115 NATURAL GAS - NEW YORK MERCANTILE EXCHANGE Code-023651 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (10,000 MMBTU'S) OPEN INTEREST: 1,258,965 COMMITMENTS 68,862 144,439 491,609 626,365 583,795 1186836 1219843 72,129 39,122 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -21,568) -1,914 -2,824 -12,121 -2,748 -3,416 -16,783 -18,361 -4,785 -3,207 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 5.5 11.5 39.0 49.8 46.4 94.3 96.9 5.7 3.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 215) 59 68 84 83 78 189 186 MICHCON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365A OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 88,068 COMMITMENTS 1,846 14,184 3,024 73,951 64,185 78,821 81,393 9,247 6,675 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -4,407) -975 -700 29 -3,029 -3,152 -3,975 -3,823 -432 -584 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 2.1 16.1 3.4 84.0 72.9 89.5 92.4 10.5 7.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 2 2 2 19 19 21 23 PERMIAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365B OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 56,044 COMMITMENTS 1,948 1,366 2,663 40,044 41,386 44,655 45,415 11,389 10,629 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -6,642) 962 -184 -1,955 -5,667 -4,930 -6,660 -7,069 18 427 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 3.5 2.4 4.8 71.5 73.8 79.7 81.0 20.3 19.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 1 1 2 21 17 23 19 M-3 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365C OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 123,858 COMMITMENTS 11,318 1,566 7,400 94,582 106,402 113,300 115,368 10,558 8,490 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -4,603) 327 -874 452 -5,407 -4,444 -4,628 -4,866 25 263 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 9.1 1.3 6.0 76.4 85.9 91.5 93.1 8.5 6.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 35) 3 1 4 21 27 25 31 TCO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365D OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 90,976 COMMITMENTS 24,607 14,715 3,053 53,343 62,442 81,003 80,210 9,973 10,766 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: 1,839) -1,824 -1,377 392 3,976 1,617 2,544 632 -705 1,207 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 27.0 16.2 3.4 58.6 68.6 89.0 88.2 11.0 11.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 30) 2 3 2 21 19 25 22 MALIN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365E OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 76,972 COMMITMENTS 2,955 1,119 7,254 62,640 62,917 72,849 71,290 4,123 5,682 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -4,563) -492 403 -329 -3,987 -3,220 -4,808 -3,146 245 -1,417 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 3.8 1.5 9.4 81.4 81.7 94.6 92.6 5.4 7.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 30) 3 1 4 18 20 22 24 PG&E CITYGATE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365F OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 62,458 COMMITMENTS 8,257 0 1,885 47,671 53,958 57,813 55,843 4,645 6,615 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -6,719) 1,522 0 -1,083 -6,383 -5,173 -5,944 -6,256 -775 -463 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 13.2 0.0 3.0 76.3 86.4 92.6 89.4 7.4 10.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 30) 2 0 2 19 20 21 22 NGPL TEXOK BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365G OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 96,740 COMMITMENTS 2,725 774 6,713 77,710 78,512 87,148 85,999 9,592 10,741 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: 1,469) 149 -2,544 865 -159 2,352 855 673 614 796 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 2.8 0.8 6.9 80.3 81.2 90.1 88.9 9.9 11.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 37) 2 2 3 25 28 29 31 NGPL MID-CON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365K OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 88,724 COMMITMENTS 0 7,147 3,096 74,014 69,235 77,110 79,478 11,614 9,246 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: 1,632) 0 865 -452 2,084 913 1,632 1,326 0 306 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 8.1 3.5 83.4 78.0 86.9 89.6 13.1 10.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 31) 0 2 2 22 21 24 23 DOMINION BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365N OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 67,887 COMMITMENTS 10,994 355 4,494 45,696 55,712 61,184 60,561 6,703 7,326 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -1,461) -1,538 -1,513 2,168 -1,464 1,012 -834 1,667 -627 -3,128 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 16.2 0.5 6.6 67.3 82.1 90.1 89.2 9.9 10.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 30) 3 1 3 24 21 28 24 WAHA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365O OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 122,540 COMMITMENTS 5,468 13,389 6,326 101,180 88,254 112,974 107,969 9,566 14,571 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -689) -2,763 90 530 2,025 981 -208 1,601 -481 -2,290 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 4.5 10.9 5.2 82.6 72.0 92.2 88.1 7.8 11.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 42) 3 3 3 26 26 30 31 CIG BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365P OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 64,364 COMMITMENTS 0 8,332 1,382 48,807 43,911 50,189 53,625 14,175 10,739 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: 2,063) 0 995 -278 3,325 1,924 3,047 2,641 -984 -578 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 12.9 2.1 75.8 68.2 78.0 83.3 22.0 16.7 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 26) 0 2 2 18 17 20 19 ALBERTA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035650 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 159,225 COMMITMENTS 4,398 22,522 11,234 131,941 120,124 147,573 153,880 11,652 5,345 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -12,750) -662 -2,376 -1,227 -10,334 -8,678 -12,223 -12,281 -527 -469 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 2.8 14.1 7.1 82.9 75.4 92.7 96.6 7.3 3.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 48) 3 6 8 37 35 45 44 CHICAGO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035651 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 88,619 COMMITMENTS 1,961 8,625 3,562 76,501 64,444 82,024 76,631 6,595 11,988 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -8,783) -117 -3,508 -356 -8,425 -5,788 -8,898 -9,652 115 869 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 2.2 9.7 4.0 86.3 72.7 92.6 86.5 7.4 13.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 30) 3 2 4 19 18 23 23 HOUSTON SHIP CH BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035653 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 273,428 COMMITMENTS 14,048 593 7,941 238,286 253,991 260,275 262,525 13,153 10,903 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -14,036) -1,211 -768 -888 -12,036 -11,918 -14,135 -13,574 99 -462 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 5.1 0.2 2.9 87.1 92.9 95.2 96.0 4.8 4.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 55) 6 2 6 38 41 45 48 NW PIPE ROCKIES BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035654 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 170,370 COMMITMENTS 7,995 6,279 15,503 132,545 142,623 156,043 164,405 14,327 5,965 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -8,501) 839 -1,020 -1,381 -6,822 -6,520 -7,364 -8,921 -1,137 420 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 4.7 3.7 9.1 77.8 83.7 91.6 96.5 8.4 3.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 46) 2 3 4 36 34 40 39 PANHANDLE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035655 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 167,333 COMMITMENTS 11,304 3,962 9,050 124,818 138,919 145,172 151,931 22,161 15,402 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -10,026) 2,038 582 -2,063 -10,373 -9,927 -10,398 -11,408 372 1,382 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 6.8 2.4 5.4 74.6 83.0 86.8 90.8 13.2 9.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 40) 3 2 4 28 30 33 34 SAN JUAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035656 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 48,284 COMMITMENTS 0 3,651 2,131 33,934 29,758 36,065 35,540 12,219 12,744 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -1,560) 0 -417 89 -2,934 -908 -2,845 -1,236 1,285 -324 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 7.6 4.4 70.3 61.6 74.7 73.6 25.3 26.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 21) 0 1 1 16 15 17 16 SOCAL BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035657 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 245,071 COMMITMENTS 27,487 7,252 22,028 180,815 199,324 230,330 228,604 14,741 16,467 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -10,794) -1,419 3,280 -1,084 -6,903 -12,541 -9,406 -10,345 -1,388 -449 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 11.2 3.0 9.0 73.8 81.3 94.0 93.3 6.0 6.7 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 53) 7 4 8 37 37 48 45 TRANSCO ZONE 6 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035658 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 62,536 COMMITMENTS 1,372 6,402 2,998 51,700 42,315 56,070 51,715 6,466 10,821 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -3,700) -91 484 -375 -3,472 -3,188 -3,938 -3,079 238 -621 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 2.2 10.2 4.8 82.7 67.7 89.7 82.7 10.3 17.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 29) 1 2 3 23 21 26 24 HENRY HUB GAS SWAP - NEW YORK MERCANTILE EXCHANGE Code-03565B OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 2,492,100 COMMITMENTS 191,577 47,184 811,893 1457057 1619283 2460527 2478360 31,573 13,740 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -100,441) -1,801 -29,215 -18,796 -81,870 -52,734 -102,467 -100,745 2,026 304 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 7.7 1.9 32.6 58.5 65.0 98.7 99.4 1.3 0.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 152) 31 18 42 99 88 145 133 HENRY HUB PENULTIMATE GAS SWAP - NEW YORK MERCANTILE EXCHANGE Code-03565C OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 1,033,948 COMMITMENTS 131,441 305,883 163,097 733,978 561,320 1028516 1030300 5,432 3,648 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -37,867) -27,816 -18,203 -6,299 -3,681 -13,522 -37,796 -38,024 -71 157 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 12.7 29.6 15.8 71.0 54.3 99.5 99.6 0.5 0.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 73) 20 16 29 37 36 68 70 PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE Code-064657 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (40 MEGAWATT HOURS PER PEAK DAY) OPEN INTEREST: 86,379 COMMITMENTS 2,050 1,142 3,390 80,512 81,343 85,953 85,876 426 503 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -1,919) 0 -1 -210 -1,789 -1,870 -1,999 -2,082 80 163 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 2.4 1.3 3.9 93.2 94.2 99.5 99.4 0.5 0.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 57) 5 7 9 40 37 51 47 NYISO ZONE A LBMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465A OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS 0F 400 MEGAWATT HOURS) OPEN INTEREST: 18,428 COMMITMENTS 726 42 810 16,827 17,345 18,363 18,197 65 231 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: 0) 0 0 0 0 0 0 0 0 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 3.9 0.2 4.4 91.3 94.1 99.6 98.7 0.4 1.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 1 1 1 14 19 15 21 ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465H OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (40 MEGAWATT HOURS PER PEAK DAY) OPEN INTEREST: 19,181 COMMITMENTS 1,758 0 245 16,804 18,062 18,806 18,307 375 875 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -17) 105 0 -101 -67 32 -63 -69 47 52 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 9.2 0.0 1.3 87.6 94.2 98.0 95.4 2.0 4.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 2 0 2 18 19 20 21 NORTH ILL CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465I OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (40 MEGAWATT HOURS PER PEAK DAY) OPEN INTEREST: 13,609 COMMITMENTS 960 60 110 11,769 12,933 12,839 13,103 770 506 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -811) -127 0 -10 -224 -705 -361 -715 -450 -96 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 7.1 0.4 0.8 86.5 95.0 94.3 96.3 5.7 3.7 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 22) 1 1 1 16 13 17 15 PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465M OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2.5 MEGAWATTS PER OFF PEAK HRS) OPEN INTEREST: 28,409 COMMITMENTS 963 0 513 26,263 27,614 27,739 28,127 670 282 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -1,329) 85 0 -109 -1,287 -1,170 -1,311 -1,279 -18 -50 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 3.4 0.0 1.8 92.4 97.2 97.6 99.0 2.4 1.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 34) 3 0 2 24 22 27 24 NORTH ILL OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465N OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2.5 MEGAWATTS PER OFF PEAK HRS) OPEN INTEREST: 27,162 COMMITMENTS 360 664 1,520 24,786 24,594 26,666 26,778 496 384 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -982) 120 -56 -140 -938 -756 -958 -952 -24 -30 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 1.3 2.4 5.6 91.3 90.5 98.2 98.6 1.8 1.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 25) 2 1 1 19 17 21 19 ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465S OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2.5 MEGAWATTS PER OFF PEAK HRS) OPEN INTEREST: 10,422 COMMITMENTS 0 280 520 9,138 8,946 9,658 9,746 764 676 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -418) 0 -180 -40 -746 -672 -786 -892 368 474 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 2.7 5.0 87.7 85.8 92.7 93.5 7.3 6.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 20) 0 1 1 14 14 15 15 CRUDE OIL, LIGHT SWEET - NEW YORK MERCANTILE EXCHANGE Code-067651 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 2,344,579 COMMITMENTS 196,326 116,435 631,045 1436495 1511924 2263866 2259403 80,713 85,175 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: 47,069) -1,049 -7,901 10,603 37,642 41,986 47,196 44,688 -127 2,381 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 8.4 5.0 26.9 61.3 64.5 96.6 96.4 3.4 3.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 352) 109 118 173 93 101 298 314 DUBAI CRUDE OIL CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE Code-06765G OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 17,245 COMMITMENTS 0 0 0 17,245 17,245 17,245 17,245 0 0 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -4,590) 0 0 0 -4,590 -4,540 -4,590 -4,540 0 -50 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 0.0 0.0 100.0 100.0 100.0 100.0 0.0 0.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 23) 0 0 0 18 18 18 18 WTI CRUDE OIL FINANCIAL - NEW YORK MERCANTILE EXCHANGE Code-06765I OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 70,382 COMMITMENTS 2,347 11,039 23,635 39,071 30,891 65,053 65,565 5,329 4,817 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: 4,209) -178 980 1,901 2,299 2,047 4,022 4,928 187 -719 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 3.3 15.7 33.6 55.5 43.9 92.4 93.2 7.6 6.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 32) 8 7 14 17 17 31 32 PALLADIUM - NEW YORK MERCANTILE EXCHANGE Code-075651 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 100 TROY OUNCES) OPEN INTEREST: 20,105 COMMITMENTS 13,710 2,234 317 3,427 17,545 17,454 20,096 2,651 9 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: 224) 484 -171 317 -178 414 623 560 -399 -336 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 68.2 11.1 1.6 17.0 87.3 86.8 100.0 13.2 0.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 139) 86 9 5 15 29 106 42 PLATINUM - NEW YORK MERCANTILE EXCHANGE Code-076651 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 50 TROY OUNCES) OPEN INTEREST: 14,652 COMMITMENTS 9,662 1,104 183 1,871 12,881 11,716 14,168 2,936 484 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -115) -91 -386 183 -139 322 -47 119 -68 -234 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 65.9 7.5 1.2 12.8 87.9 80.0 96.7 20.0 3.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 86) 43 7 2 7 27 52 36 GASOLINE BLENDSTOCK (RBOB) - NEW YORK MERCANTILE EXCHANGE Code-111659 OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 42,000 U.S. GALLONS) OPEN INTEREST: 221,515 COMMITMENTS 46,264 11,025 37,896 105,151 145,678 189,310 194,599 32,205 26,916 CHANGES FROM 04/24/07 (CHANGE IN OPEN INTEREST: -9,933) 5,421 -931 1,707 -18,461 -8,663 -11,333 -7,887 1,400 -2,045 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 20.9 5.0 17.1 47.5 65.8 85.5 87.8 14.5 12.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 199) 69 29 44 73 90 162 147
Updated April 27, 2007