GULF # 6 FUEL 3.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE Code-02165A OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 5,637 COMMITMENTS 25 0 0 4,319 5,099 4,344 5,099 1,293 538 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -2,301) 25 0 0 -1,786 -2,191 -1,761 -2,191 -540 -110 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.4 0.0 0.0 76.6 90.5 77.1 90.5 22.9 9.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 31) 1 0 0 21 20 22 20 NY RES FUEL 1.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE Code-02165B OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 7,748 COMMITMENTS 50 920 75 7,488 6,548 7,613 7,543 135 205 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -798) 0 100 -50 -668 -988 -718 -938 -80 140 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.6 11.9 1.0 96.6 84.5 98.3 97.4 1.7 2.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 38) 1 3 1 25 26 27 29 EUR 3.5% FUEL OIL RTD CAL SWAP - NEW YORK MERCANTILE EXCHANGE Code-02165E OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 METRIC TONS) OPEN INTEREST: 2,893 COMMITMENTS 0 0 0 2,269 2,141 2,269 2,141 624 752 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -520) -20 0 -15 -335 -436 -370 -451 -150 -69 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 0.0 0.0 78.4 74.0 78.4 74.0 21.6 26.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 23) 0 0 0 21 21 21 21 SING FUEL OIL 180 CAL SWAP - NEW YORK MERCANTILE EXCHANGE Code-02165G OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 METRIC TONS) OPEN INTEREST: 3,564 COMMITMENTS 65 0 45 3,021 2,972 3,131 3,017 433 547 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -803) 60 0 10 -753 -656 -683 -646 -120 -157 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 1.8 0.0 1.3 84.8 83.4 87.9 84.7 12.1 15.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 35) 2 0 1 28 30 30 31 NO. 2 HEATING OIL, N.Y. HARBOR - NEW YORK MERCANTILE EXCHANGE Code-022651 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 42,000 U.S. GALLONS) OPEN INTEREST: 261,937 COMMITMENTS 43,725 17,648 43,056 139,355 173,825 226,137 234,529 35,800 27,408 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 6,208) 4,468 51 2,297 -1,922 3,553 4,843 5,900 1,365 308 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 16.7 6.7 16.4 53.2 66.4 86.3 89.5 13.7 10.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 153) 48 22 38 62 78 130 122 SING GASOIL SWAP - NEW YORK MERCANTILE EXCHANGE Code-02265J OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1000 BARRELS) OPEN INTEREST: 7,345 COMMITMENTS 1,100 50 500 5,525 6,795 7,125 7,345 220 0 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -2,300) -900 -50 0 -1,390 -2,200 -2,290 -2,250 -10 -50 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 15.0 0.7 6.8 75.2 92.5 97.0 100.0 3.0 0.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 33) 1 1 3 18 26 21 29 NATURAL GAS - NEW YORK MERCANTILE EXCHANGE Code-023651 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (10,000 MMBTU'S) OPEN INTEREST: 1,268,008 COMMITMENTS 129,109 306,170 459,786 603,795 470,329 1192689 1236285 75,319 31,723 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -4,569) 1,284 7,126 -2,366 -5,013 -5,345 -6,095 -585 1,527 -3,984 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 10.2 24.1 36.3 47.6 37.1 94.1 97.5 5.9 2.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 229) 86 51 96 76 74 219 175 MICHCON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365A OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 96,661 COMMITMENTS 0 12,191 1,829 85,766 70,263 87,595 84,283 9,066 12,378 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 1,171) 0 0 0 812 386 812 386 359 785 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 12.6 1.9 88.7 72.7 90.6 87.2 9.4 12.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 28) 0 4 2 22 18 24 22 PERMIAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365B OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 83,449 COMMITMENTS 3,587 11,992 2,137 70,219 59,577 75,943 73,706 7,506 9,743 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 111) 0 1,684 -202 935 -364 733 1,118 -622 -1,007 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 4.3 14.4 2.6 84.1 71.4 91.0 88.3 9.0 11.7 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 37) 2 2 4 26 23 30 27 M-3 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365C OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 116,875 COMMITMENTS 6,358 0 3,056 96,982 104,381 106,396 107,437 10,479 9,438 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -3,554) -2,597 0 -1,861 1,404 -1,848 -3,054 -3,709 -500 155 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 5.4 0.0 2.6 83.0 89.3 91.0 91.9 9.0 8.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 32) 2 0 1 23 23 25 24 TCO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365D OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 101,249 COMMITMENTS 11,408 2,513 4,785 75,074 81,133 91,267 88,431 9,982 12,818 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -10,398) -1,860 -8 -1,402 -5,051 -8,824 -8,313 -10,234 -2,085 -164 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 11.3 2.5 4.7 74.1 80.1 90.1 87.3 9.9 12.7 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 36) 2 2 2 21 27 25 29 MALIN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365E OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 57,927 COMMITMENTS 9,011 0 4,332 37,500 47,583 50,843 51,915 7,084 6,012 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 4,549) 1,381 0 92 1,000 3,816 2,473 3,908 2,076 641 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 15.6 0.0 7.5 64.7 82.1 87.8 89.6 12.2 10.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 21) 2 0 1 14 18 16 19 PG&E CITYGATE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365F OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 77,143 COMMITMENTS 4,045 457 5,552 61,207 60,794 70,804 66,803 6,339 10,340 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 5,695) 1,038 -1,909 1,269 3,605 8,381 5,912 7,741 -217 -2,046 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 5.2 0.6 7.2 79.3 78.8 91.8 86.6 8.2 13.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 28) 1 1 2 19 23 21 25 NGPL TEXOK BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365G OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 92,742 COMMITMENTS 2,476 1,042 2,865 83,307 78,118 88,648 82,025 4,094 10,717 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -4,670) -398 62 83 -4,103 -3,281 -4,418 -3,136 -252 -1,534 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 2.7 1.1 3.1 89.8 84.2 95.6 88.4 4.4 11.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 42) 2 1 3 25 33 28 36 NGPL MID-CON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365K OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 110,382 COMMITMENTS 4,396 422 4,339 86,860 94,189 95,595 98,950 14,787 11,432 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -2,735) 420 -324 -342 -2,131 -2,097 -2,053 -2,763 -682 28 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 4.0 0.4 3.9 78.7 85.3 86.6 89.6 13.4 10.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 29) 2 1 2 19 20 22 22 DEMARC BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365L OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 71,660 COMMITMENTS 5,784 710 9,194 51,184 48,106 66,162 58,010 5,498 13,650 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -1,018) -1,089 710 -1,397 1,948 -2,059 -538 -2,746 -480 1,728 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 8.1 1.0 12.8 71.4 67.1 92.3 81.0 7.7 19.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 3 1 3 17 14 21 17 VENTURA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365M OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 102,711 COMMITMENTS 5,978 9,656 16,500 75,912 67,966 98,390 94,122 4,321 8,589 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 7,934) -1,649 4,251 443 11,976 4,864 10,770 9,558 -2,836 -1,624 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 5.8 9.4 16.1 73.9 66.2 95.8 91.6 4.2 8.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 25) 3 2 4 13 15 18 19 DOMINION BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365N OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 62,922 COMMITMENTS 1,668 0 4,150 47,191 45,288 53,009 49,438 9,913 13,484 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 1,226) -151 0 92 1,688 925 1,629 1,017 -403 209 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 2.7 0.0 6.6 75.0 72.0 84.2 78.6 15.8 21.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 26) 2 0 1 21 19 23 20 WAHA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365O OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 121,257 COMMITMENTS 29,276 825 2,351 83,640 110,635 115,267 113,811 5,990 7,446 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -9,923) -825 -935 -1,249 -7,172 -8,597 -9,246 -10,781 -677 858 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 24.1 0.7 1.9 69.0 91.2 95.1 93.9 4.9 6.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 45) 4 1 4 29 31 34 35 TRANSCO ZONE 3 SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365S OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 55,469 COMMITMENTS 0 3,070 1,973 47,086 47,309 49,059 52,352 6,410 3,117 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: .) . . . . . . . . . PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 5.5 3.6 84.9 85.3 88.4 94.4 11.6 5.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 21) 0 2 1 16 12 17 14 ALBERTA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035650 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 123,747 COMMITMENTS 2,411 27,728 16,266 86,915 71,224 105,592 115,218 18,155 8,529 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 4,032) 0 5,179 -817 5,677 180 4,860 4,542 -828 -510 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 1.9 22.4 13.1 70.2 57.6 85.3 93.1 14.7 6.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 38) 1 7 5 28 26 33 34 CHICAGO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035651 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 118,646 COMMITMENTS 12,423 1,261 10,823 83,806 90,540 107,052 102,624 11,594 16,022 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 17,095) -3,889 1,261 1,374 19,368 12,929 16,853 15,564 242 1,531 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 10.5 1.1 9.1 70.6 76.3 90.2 86.5 9.8 13.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 23) 3 1 3 18 16 22 19 HENRY HUB BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035652 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 52,280 COMMITMENTS 0 0 0 49,828 48,778 49,828 48,778 2,452 3,502 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -5,198) 0 -1,440 0 -4,234 -4,316 -4,234 -5,756 -964 558 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 0.0 0.0 95.3 93.3 95.3 93.3 4.7 6.7 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 20) 0 0 0 12 12 12 12 HOUSTON SHIP CH BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035653 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 236,634 COMMITMENTS 13,957 4,926 5,541 202,555 211,599 222,053 222,066 14,581 14,568 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -233) -489 -220 262 283 103 56 145 -289 -378 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 5.9 2.1 2.3 85.6 89.4 93.8 93.8 6.2 6.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 54) 4 4 7 41 38 48 46 NW PIPE ROCKIES BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035654 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 224,324 COMMITMENTS 20,061 0 15,173 174,413 194,272 209,647 209,445 14,677 14,879 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -1,446) 644 0 627 -3,295 -2,835 -2,024 -2,208 578 762 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 8.9 0.0 6.8 77.8 86.6 93.5 93.4 6.5 6.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 44) 5 0 2 36 33 41 35 PANHANDLE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035655 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 239,622 COMMITMENTS 12,709 15,792 9,895 203,504 201,637 226,108 227,324 13,514 12,298 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 6,668) 1,454 6,780 -1,475 5,356 3,819 5,335 9,124 1,333 -2,456 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 5.3 6.6 4.1 84.9 84.1 94.4 94.9 5.6 5.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 54) 4 3 5 44 39 51 44 SAN JUAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035656 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 51,446 COMMITMENTS 0 4,106 2,066 41,343 33,483 43,409 39,655 8,037 11,791 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 1,393) 0 1,370 -37 2,653 240 2,616 1,573 -1,223 -180 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 8.0 4.0 80.4 65.1 84.4 77.1 15.6 22.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 21) 0 1 1 18 14 19 15 SOCAL BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035657 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 205,340 COMMITMENTS 27,909 2,336 17,201 148,739 173,771 193,849 193,308 11,491 12,032 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 2,355) -3,453 -670 1,759 5,191 1,090 3,497 2,179 -1,142 176 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 13.6 1.1 8.4 72.4 84.6 94.4 94.1 5.6 5.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 46) 5 2 6 39 38 46 44 TRANSCO ZONE 6 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035658 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 70,430 COMMITMENTS 4,455 6,530 1,169 56,680 51,734 62,304 59,433 8,126 10,997 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -20) 0 -1,128 310 2,695 2,614 3,005 1,796 -3,025 -1,816 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 6.3 9.3 1.7 80.5 73.5 88.5 84.4 11.5 15.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 28) 1 2 1 21 19 23 21 HENRY HUB GAS SWAP - NEW YORK MERCANTILE EXCHANGE Code-03565B OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 3,115,266 COMMITMENTS 967,686 127,436 911,438 1197039 2063719 3076163 3102593 39,103 12,673 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -9,938) 12,279 8,215 -38,210 17,761 19,980 -8,170 -10,015 -1,768 77 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 31.1 4.1 29.3 38.4 66.2 98.7 99.6 1.3 0.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 154) 32 20 44 95 90 147 136 HENRY HUB PENULTIMATE GAS SWAP - NEW YORK MERCANTILE EXCHANGE Code-03565C OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 1,080,162 COMMITMENTS 139,706 333,797 228,502 705,806 514,655 1074014 1076954 6,148 3,208 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 14,827) 8,203 -4,357 13,194 -6,276 5,588 15,121 14,425 -294 402 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 12.9 30.9 21.2 65.3 47.6 99.4 99.7 0.6 0.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 83) 18 21 34 43 41 80 77 PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE Code-064657 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (40 MEGAWATT HOURS PER PEAK DAY) OPEN INTEREST: 91,004 COMMITMENTS 1,199 611 4,617 85,054 85,416 90,870 90,644 135 360 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 2,570) -14 50 164 2,512 2,459 2,662 2,674 -92 -104 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 1.3 0.7 5.1 93.5 93.9 99.9 99.6 0.1 0.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 44) 5 3 6 32 31 38 39 ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465H OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (40 MEGAWATT HOURS PER PEAK DAY) OPEN INTEREST: 26,832 COMMITMENTS 4,053 0 356 22,080 26,182 26,489 26,538 343 294 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 724) -0 0 8 617 707 624 714 100 10 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 15.1 0.0 1.3 82.3 97.6 98.7 98.9 1.3 1.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 3 0 2 19 20 22 22 PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465M OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2.5 MEGAWATTS PER OFF PEAK HRS) OPEN INTEREST: 25,528 COMMITMENTS 740 618 1,092 20,904 22,378 22,736 24,088 2,792 1,440 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 120) -102 138 -98 320 80 120 120 0 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 2.9 2.4 4.3 81.9 87.7 89.1 94.4 10.9 5.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 25) 1 2 2 18 16 21 18 NORTH ILL OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465N OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2.5 MEGAWATTS PER OFF PEAK HRS) OPEN INTEREST: 26,294 COMMITMENTS 1,090 240 720 23,890 24,460 25,700 25,420 594 874 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 806) 0 240 0 806 566 806 806 0 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 4.1 0.9 2.7 90.9 93.0 97.7 96.7 2.3 3.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 1 1 1 21 22 23 23 CRUDE OIL, LIGHT SWEET - NEW YORK MERCANTILE EXCHANGE Code-067651 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 2,943,792 COMMITMENTS 270,309 154,165 1215622 1375683 1482503 2861614 2852290 82,178 91,503 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 69,007) 14,583 -4,684 55,432 -6,305 10,685 63,710 61,433 5,297 7,574 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 9.2 5.2 41.3 46.7 50.4 97.2 96.9 2.8 3.1 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 358) 95 147 164 88 106 290 317 WTI CRUDE OIL CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE Code-06765A OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 122,549 COMMITMENTS 20,949 17,023 5,189 69,550 46,868 95,688 69,080 26,861 53,469 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 2,443) 3,121 67 -442 -321 2,417 2,358 2,042 85 401 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 17.1 13.9 4.2 56.8 38.2 78.1 56.4 21.9 43.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 21) 2 3 4 16 14 20 19 DUBAI CRUDE OIL CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE Code-06765G OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 20,436 COMMITMENTS 150 815 100 20,186 19,521 20,436 20,436 0 0 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 1,300) 0 0 0 1,300 1,300 1,300 1,300 0 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.7 4.0 0.5 98.8 95.5 100.0 100.0 0.0 0.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 37) 1 3 1 23 26 25 30 WTI CRUDE OIL FINANCIAL - NEW YORK MERCANTILE EXCHANGE Code-06765I OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 188,057 COMMITMENTS 31,496 36,448 43,073 100,969 100,443 175,538 179,964 12,519 8,093 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 2,683) 273 2,496 -2,670 5,464 2,740 3,067 2,566 -384 117 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 16.7 19.4 22.9 53.7 53.4 93.3 95.7 6.7 4.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 51) 12 14 21 25 25 49 48 PALLADIUM - NEW YORK MERCANTILE EXCHANGE Code-075651 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 100 TROY OUNCES) OPEN INTEREST: 19,201 COMMITMENTS 11,209 2,721 104 5,238 15,947 16,551 18,772 2,650 429 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -448) -792 259 -19 208 -713 -603 -473 155 25 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 58.4 14.2 0.5 27.3 83.1 86.2 97.8 13.8 2.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 105) 53 13 4 12 29 67 44 PLATINUM - NEW YORK MERCANTILE EXCHANGE Code-076651 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 50 TROY OUNCES) OPEN INTEREST: 11,916 COMMITMENTS 7,606 1,680 30 1,574 9,346 9,210 11,056 2,706 860 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -102) 325 2 -145 -338 206 -158 63 56 -165 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 63.8 14.1 0.3 13.2 78.4 77.3 92.8 22.7 7.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 66) 28 10 2 12 20 41 31 GASOLINE BLENDSTOCK (RBOB) - NEW YORK MERCANTILE EXCHANGE Code-111659 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 42,000 U.S. GALLONS) OPEN INTEREST: 280,196 COMMITMENTS 59,558 12,148 50,009 137,885 196,894 247,452 259,051 32,744 21,144 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 9,806) 2,185 -957 3,925 280 5,603 6,390 8,571 3,416 1,235 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 21.3 4.3 17.8 49.2 70.3 88.3 92.5 11.7 7.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 191) 73 24 45 71 87 161 141 UP DOWN GC ULSD VS HO SPR SWAP - NEW YORK MERCANTILE EXCHANGE Code-022A13 OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 42,000 GALLONS) OPEN INTEREST: 13,106 COMMITMENTS 750 772 650 11,476 11,161 12,876 12,583 230 523 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -1,421) 0 461 -486 -891 -1,501 -1,377 -1,526 -44 105 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 5.7 5.9 5.0 87.6 85.2 98.2 96.0 1.8 4.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 28) 1 1 2 17 23 19 25 SING JET KERO GASOIL SPR SWAP - NEW YORK MERCANTILE EXCHANGE Code-86465C OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 4,870 COMMITMENTS 0 1,250 75 4,795 3,545 4,870 4,870 0 0 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: -1,025) 0 875 -875 -150 -975 -1,025 -975 0 -50 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 25.7 1.5 98.5 72.8 100.0 100.0 0.0 0.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 23) 0 1 1 18 11 19 12 GASOIL CRACK SPR SWAP - NEW YORK MERCANTILE EXCHANGE Code-86765C OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 12,418 COMMITMENTS 2,905 450 415 6,611 6,854 9,931 7,719 2,487 4,699 CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST: 793) 223 0 265 -106 303 382 568 411 225 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 23.4 3.6 3.3 53.2 55.2 80.0 62.2 20.0 37.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 28) 5 1 2 17 16 22 19
Updated July 29, 2008