GULF # 6 FUEL 3.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE Code-02165A OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 5,745 COMMITMENTS 625 159 275 3,695 4,925 4,595 5,359 1,150 386 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 125) 0 -84 0 125 118 125 34 0 91 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 10.9 2.8 4.8 64.3 85.7 80.0 93.3 20.0 6.7 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 25) 1 2 1 17 14 18 17 NY RES FUEL 1.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE Code-02165B OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 14,972 COMMITMENTS 319 7,010 89 14,083 6,220 14,491 13,319 481 1,653 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 0) -134 0 0 68 -60 -66 -60 66 60 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 2.1 46.8 0.6 94.1 41.5 96.8 89.0 3.2 11.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 37) 2 4 1 26 27 29 31 SING FUEL OIL 180 CAL SWAP - NEW YORK MERCANTILE EXCHANGE Code-02165G OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 METRIC TONS) OPEN INTEREST: 2,744 COMMITMENTS 0 75 0 2,124 2,029 2,124 2,104 620 640 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 313) 0 0 0 328 313 328 313 -15 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 2.7 0.0 77.4 73.9 77.4 76.7 22.6 23.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 30) 0 1 0 22 27 22 28 NO. 2 HEATING OIL, N.Y. HARBOR - NEW YORK MERCANTILE EXCHANGE Code-022651 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 42,000 U.S. GALLONS) OPEN INTEREST: 231,581 COMMITMENTS 23,237 28,285 29,909 146,796 141,414 199,942 199,608 31,639 31,972 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: -1,150) 3,283 3,233 305 -6,005 -5,539 -2,417 -2,001 1,267 851 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 10.0 12.2 12.9 63.4 61.1 86.3 86.2 13.7 13.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 138) 32 29 35 62 72 110 122 NATURAL GAS - NEW YORK MERCANTILE EXCHANGE Code-023651 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (10,000 MMBTU'S) OPEN INTEREST: 1,321,858 COMMITMENTS 81,430 121,836 551,986 618,417 611,221 1251833 1285043 70,025 36,815 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 5,553) 7,366 23,431 -11,361 11,597 -3,672 7,602 8,397 -2,049 -2,845 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 6.2 9.2 41.8 46.8 46.2 94.7 97.2 5.3 2.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 235) 60 78 92 88 83 202 205 MICHCON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365A OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 91,866 COMMITMENTS 1,157 15,372 3,571 74,383 62,372 79,111 81,315 12,755 10,551 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: -3) -1,523 332 762 544 -703 -217 391 214 -394 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 1.3 16.7 3.9 81.0 67.9 86.1 88.5 13.9 11.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 24) 1 3 3 18 16 21 20 PERMIAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365B OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 56,387 COMMITMENTS 0 2,409 2,293 43,206 39,031 45,499 43,733 10,888 12,654 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 1,585) 0 -1,572 -20 1,019 3,421 999 1,829 586 -244 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 4.3 4.1 76.6 69.2 80.7 77.6 19.3 22.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 0 2 2 21 19 23 21 M-3 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365C OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 118,556 COMMITMENTS 9,071 490 5,676 89,139 103,535 103,886 109,701 14,670 8,855 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: -1,249) 0 -186 0 -659 193 -659 7 -590 -1,256 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 7.7 0.4 4.8 75.2 87.3 87.6 92.5 12.4 7.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 31) 2 1 3 19 25 22 28 TCO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365D OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 71,002 COMMITMENTS 18,256 2,686 0 43,664 56,119 61,920 58,805 9,082 12,197 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 4,516) 0 2,686 0 4,458 694 4,458 3,380 58 1,136 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 25.7 3.8 0.0 61.5 79.0 87.2 82.8 12.8 17.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 25) 2 1 0 18 16 20 17 MALIN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365E OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 78,395 COMMITMENTS 0 3,171 5,751 66,770 62,086 72,521 71,008 5,874 7,387 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: -809) -1,638 95 616 213 -1,700 -809 -989 0 180 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 4.0 7.3 85.2 79.2 92.5 90.6 7.5 9.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 0 4 3 17 19 20 23 PG&E CITYGATE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365F OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 69,078 COMMITMENTS 4,902 822 2,856 53,859 57,862 61,617 61,540 7,461 7,538 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 727) -709 -184 173 1,336 626 800 615 -73 112 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 7.1 1.2 4.1 78.0 83.8 89.2 89.1 10.8 10.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 26) 1 1 1 16 20 17 22 NGPL TEXOK BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365G OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 87,239 COMMITMENTS 3,200 2,372 4,203 69,767 72,373 77,170 78,948 10,069 8,291 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 1,727) -60 353 306 1,678 1,687 1,924 2,346 -197 -619 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 3.7 2.7 4.8 80.0 83.0 88.5 90.5 11.5 9.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 35) 2 2 3 20 28 24 31 NGPL MID-CON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365K OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 89,482 COMMITMENTS 0 7,553 3,756 73,380 68,294 77,136 79,603 12,346 9,879 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 223) 0 1,152 49 1,638 -152 1,687 1,049 -1,464 -826 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 8.4 4.2 82.0 76.3 86.2 89.0 13.8 11.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 29) 0 3 2 19 18 21 21 DOMINION BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365N OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 57,768 COMMITMENTS 4,696 2,325 589 43,274 45,897 48,559 48,811 9,209 8,957 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: -1,820) 0 0 0 -1,874 -1,184 -1,874 -1,184 54 -636 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 8.1 4.0 1.0 74.9 79.5 84.1 84.5 15.9 15.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 25) 1 1 1 20 18 22 19 WAHA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365O OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 117,246 COMMITMENTS 3,818 7,234 6,496 97,916 90,867 108,230 104,597 9,016 12,649 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 2,291) -2,180 -180 1,211 3,265 1,189 2,296 2,220 -5 71 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 3.3 6.2 5.5 83.5 77.5 92.3 89.2 7.7 10.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 37) 3 2 4 24 20 28 25 CIG BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-02365P OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 61,019 COMMITMENTS 0 10,194 735 42,424 42,138 43,159 53,067 17,860 7,952 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 1,136) 0 475 91 1,003 828 1,094 1,394 42 -258 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 16.7 1.2 69.5 69.1 70.7 87.0 29.3 13.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 23) 0 2 1 13 13 14 15 ALBERTA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035650 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 171,939 COMMITMENTS 3,852 23,005 9,856 143,949 131,522 157,657 164,383 14,282 7,556 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 138) 0 1,893 -620 1,582 -2,019 962 -746 -824 884 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 2.2 13.4 5.7 83.7 76.5 91.7 95.6 8.3 4.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 47) 2 5 6 36 34 42 41 CHICAGO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035651 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 80,879 COMMITMENTS 1,935 4,426 2,394 66,011 59,040 70,340 65,860 10,539 15,019 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: -365) 694 -318 497 -3,296 -3,356 -2,105 -3,177 1,740 2,812 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 2.4 5.5 3.0 81.6 73.0 87.0 81.4 13.0 18.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 24) 2 1 2 16 14 18 17 HOUSTON SHIP CH BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035653 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 286,881 COMMITMENTS 11,387 723 8,831 251,300 266,138 271,518 275,692 15,363 11,189 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 4,051) -2,789 0 623 5,940 3,764 3,774 4,387 277 -336 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 4.0 0.3 3.1 87.6 92.8 94.6 96.1 5.4 3.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 51) 4 2 5 36 39 41 45 NW PIPE ROCKIES BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035654 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 171,405 COMMITMENTS 10,377 14,519 16,647 131,111 135,839 158,135 167,005 13,270 4,400 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 1,106) 0 402 850 1,414 1,713 2,264 2,965 -1,158 -1,859 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 6.1 8.5 9.7 76.5 79.3 92.3 97.4 7.7 2.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 46) 1 5 4 38 32 42 38 PANHANDLE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035655 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 183,321 COMMITMENTS 11,207 13,386 7,772 146,010 144,588 164,989 165,746 18,332 17,575 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 631) -913 2,515 -49 440 -1,569 -522 897 1,153 -266 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 6.1 7.3 4.2 79.6 78.9 90.0 90.4 10.0 9.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 43) 2 5 5 29 32 35 38 SAN JUAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035656 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 50,115 COMMITMENTS 0 2,668 2,407 36,982 33,056 39,389 38,131 10,726 11,984 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 2,513) 0 24 -52 3,048 2,294 2,996 2,266 -483 247 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 5.3 4.8 73.8 66.0 78.6 76.1 21.4 23.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 22) 0 1 1 16 15 17 16 SOCAL BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035657 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 249,462 COMMITMENTS 17,458 6,442 22,276 193,219 200,917 232,953 229,635 16,509 19,827 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 6,507) -1,806 1,460 -147 6,924 3,354 4,971 4,667 1,536 1,840 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 7.0 2.6 8.9 77.5 80.5 93.4 92.1 6.6 7.9 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 47) 3 3 6 38 35 44 41 TRANSCO ZONE 6 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE Code-035658 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 62,251 COMMITMENTS 0 6,066 2,540 53,080 43,949 55,620 52,555 6,631 9,696 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 541) -190 110 -292 1,327 2,731 845 2,549 -304 -2,008 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 9.7 4.1 85.3 70.6 89.3 84.4 10.7 15.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 29) 0 2 2 24 21 26 23 HENRY HUB GAS SWAP - NEW YORK MERCANTILE EXCHANGE Code-03565B OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 2,730,107 COMMITMENTS 249,138 123,413 884,013 1565243 1708819 2698394 2716245 31,713 13,862 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 19,703) -18,045 8,197 23,332 17,071 -9,396 22,358 22,133 -2,655 -2,430 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 9.1 4.5 32.4 57.3 62.6 98.8 99.5 1.2 0.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 156) 32 17 41 107 91 151 137 HENRY HUB PENULTIMATE GAS SWAP - NEW YORK MERCANTILE EXCHANGE Code-03565C OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2,500 MMBTU'S) OPEN INTEREST: 901,215 COMMITMENTS 136,646 321,236 103,890 653,647 468,953 894,183 894,079 7,032 7,136 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 40,450) 2,235 14,212 15,903 20,624 7,947 38,762 38,062 1,688 2,388 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 15.2 35.6 11.5 72.5 52.0 99.2 99.2 0.8 0.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 72) 19 16 26 37 35 68 65 PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE Code-064657 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (40 MEGAWATT HOURS PER PEAK DAY) OPEN INTEREST: 83,404 COMMITMENTS 2,518 920 3,666 76,749 78,538 82,933 83,124 471 280 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 1,159) -43 -17 97 1,202 1,079 1,257 1,159 -98 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 3.0 1.1 4.4 92.0 94.2 99.4 99.7 0.6 0.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 54) 5 4 6 40 38 48 45 NYISO ZONE A LBMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465A OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS 0F 400 MEGAWATT HOURS) OPEN INTEREST: 19,316 COMMITMENTS 596 42 940 17,715 18,081 19,251 19,063 65 253 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 104) 0 42 0 39 43 39 85 65 19 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 3.1 0.2 4.9 91.7 93.6 99.7 98.7 0.3 1.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 27) 1 1 1 14 17 15 19 NYISO ZONE G LBMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465B OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS 0F 400 MEGAWATT HOURS) OPEN INTEREST: 15,056 COMMITMENTS 852 0 0 14,161 14,865 15,013 14,865 43 191 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 0) 0 0 0 0 0 0 0 0 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 5.7 0.0 0.0 94.1 98.7 99.7 98.7 0.3 1.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 20) 2 0 0 11 11 13 11 ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465H OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (40 MEGAWATT HOURS PER PEAK DAY) OPEN INTEREST: 19,963 COMMITMENTS 1,651 0 555 17,435 19,170 19,641 19,725 322 238 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 636) 2 0 -1 623 560 624 559 12 77 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 8.3 0.0 2.8 87.3 96.0 98.4 98.8 1.6 1.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 30) 2 0 2 19 21 21 23 NORTH ILL CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465I OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (40 MEGAWATT HOURS PER PEAK DAY) OPEN INTEREST: 15,038 COMMITMENTS 1,595 40 100 12,273 14,181 13,968 14,321 1,070 717 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 57) 0 0 0 57 33 57 33 -0 23 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 10.6 0.3 0.7 81.6 94.3 92.9 95.2 7.1 4.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 21) 1 1 1 15 13 16 15 PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465M OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2.5 MEGAWATTS PER OFF PEAK HRS) OPEN INTEREST: 26,190 COMMITMENTS 888 0 802 23,794 25,046 25,484 25,848 706 342 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 142) 0 0 0 152 142 152 142 -10 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 3.4 0.0 3.1 90.9 95.6 97.3 98.7 2.7 1.3 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 33) 2 0 1 24 23 26 24 NORTH ILL OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465N OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2.5 MEGAWATTS PER OFF PEAK HRS) OPEN INTEREST: 27,160 COMMITMENTS 60 896 1,760 24,870 24,070 26,690 26,726 470 434 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 150) 60 0 0 90 150 150 150 0 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.2 3.3 6.5 91.6 88.6 98.3 98.4 1.7 1.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 25) 1 2 1 18 16 20 18 ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE Code-06465S OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (2.5 MEGAWATTS PER OFF PEAK HRS) OPEN INTEREST: 11,046 COMMITMENTS 0 440 560 10,306 9,978 10,866 10,978 180 68 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 320) 0 0 0 292 372 292 372 28 -52 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 4.0 5.1 93.3 90.3 98.4 99.4 1.6 0.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 23) 0 1 1 18 16 19 17 CRUDE OIL, LIGHT SWEET - NEW YORK MERCANTILE EXCHANGE Code-067651 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 2,257,707 COMMITMENTS 182,379 119,860 573,889 1426334 1478092 2182602 2171841 75,105 85,865 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: -89,777) -5,122 -2,084 -57,636 -21,861 -20,100 -84,619 -79,821 -5,158 -9,956 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 8.1 5.3 25.4 63.2 65.5 96.7 96.2 3.3 3.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 332) 104 108 151 92 95 278 286 WTI CRUDE OIL CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE Code-06765A OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 93,779 COMMITMENTS 26,438 2,438 3,787 32,876 58,101 63,101 64,326 30,678 29,453 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 3,026) 802 300 222 -4,549 1,921 -3,525 2,443 6,551 583 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 28.2 2.6 4.0 35.1 62.0 67.3 68.6 32.7 31.4 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 20) 4 2 4 13 13 19 17 DUBAI CRUDE OIL CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE Code-06765G OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 23,660 COMMITMENTS 0 0 0 23,660 23,610 23,660 23,610 0 50 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: -100) 0 0 0 -100 -100 -100 -100 0 0 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 0.0 0.0 0.0 100.0 99.8 100.0 99.8 0.0 0.2 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 21) 0 0 0 18 16 18 16 WTI CRUDE OIL FINANCIAL - NEW YORK MERCANTILE EXCHANGE Code-06765I OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 1,000 BARRELS) OPEN INTEREST: 54,498 COMMITMENTS 2,735 9,579 17,271 30,585 22,826 50,591 49,676 3,907 4,822 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: -2,448) -224 659 -1,286 598 -828 -912 -1,455 -1,536 -993 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 5.0 17.6 31.7 56.1 41.9 92.8 91.2 7.2 8.8 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 33) 8 9 17 15 14 32 32 PALLADIUM - NEW YORK MERCANTILE EXCHANGE Code-075651 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 100 TROY OUNCES) OPEN INTEREST: 15,320 COMMITMENTS 8,715 1,928 2 4,345 13,154 13,062 15,084 2,258 236 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: -182) -258 -25 0 82 -81 -176 -106 -6 -76 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 56.9 12.6 0.0 28.4 85.9 85.3 98.5 14.7 1.5 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 113) 63 8 1 18 27 82 35 PLATINUM - NEW YORK MERCANTILE EXCHANGE Code-076651 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 50 TROY OUNCES) OPEN INTEREST: 11,340 COMMITMENTS 6,292 1,107 523 2,217 8,806 9,032 10,436 2,308 904 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 621) 568 382 173 -194 112 547 667 74 -46 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 55.5 9.8 4.6 19.5 77.7 79.6 92.0 20.4 8.0 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 69) 32 6 4 9 23 44 32 GASOLINE BLENDSTOCK (RBOB) - NEW YORK MERCANTILE EXCHANGE Code-111659 OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07 | --------------------------------------------------------------| NONREPORTABLE NON-COMMERCIAL | COMMERCIAL | TOTAL | POSITIONS --------------------------|-----------------|-----------------|----------------- Long | Short |Spreads | Long | Short | Long | Short | Long | Short -------------------------------------------------------------------------------- (CONTRACTS OF 42,000 U.S. GALLONS) OPEN INTEREST: 199,005 COMMITMENTS 34,922 6,618 26,432 113,683 146,935 175,037 179,985 23,968 19,020 CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST: 1,602) -762 -2,038 675 1,880 3,504 1,793 2,140 -190 -538 PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 17.5 3.3 13.3 57.1 73.8 88.0 90.4 12.0 9.6 NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS: 167) 48 16 34 81 89 142 130
Updated March 23, 2007