GULF # 6 FUEL 3.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE        Code-02165A
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:        5,598
COMMITMENTS
       0        0        0    4,605    5,410    4,605    5,410      993      188

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        -39)
     -25        0        0      286      311      261      311     -300     -350

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0     82.3     96.6     82.3     96.6     17.7      3.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
       0        0        0       23       21       23       21
 
 
NY RES FUEL 1.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE          Code-02165B
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:        7,813
COMMITMENTS
      50      920       75    7,518    6,613    7,643    7,608      170      205

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:         65)
       0        0        0       30       65       30       65       35        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.6     11.8      1.0     96.2     84.6     97.8     97.4      2.2      2.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
       1        3        1       26       26       28       29
 
 
EUR 3.5% FUEL OIL RTD CAL SWAP - NEW YORK MERCANTILE EXCHANGE        Code-02165E
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS)                     OPEN INTEREST:        3,165
COMMITMENTS
       0        0        0    2,456    2,270    2,456    2,270      709      895

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        272)
       0        0        0      187      129      187      129       85      143

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0     77.6     71.7     77.6     71.7     22.4     28.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       0        0        0       21       22       21       22
 
 
SING FUEL OIL 180 CAL SWAP - NEW YORK MERCANTILE EXCHANGE            Code-02165G
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS)                     OPEN INTEREST:        3,837
COMMITMENTS
      65        0       45    3,361    3,412    3,471    3,457      366      380

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        273)
       0        0        0      340      440      340      440      -67     -167

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.7      0.0      1.2     87.6     88.9     90.5     90.1      9.5      9.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       39)
       2        0        1       31       34       33       35
 
 
NO. 2 HEATING OIL, N.Y. HARBOR - NEW YORK MERCANTILE EXCHANGE        Code-022651
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 U.S. GALLONS)                   OPEN INTEREST:      274,791
COMMITMENTS
  45,885   17,334   48,743  144,299  176,841  238,927  242,918   35,864   31,872

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:     12,854)
   2,159     -313    5,687    4,944    3,016   12,790    8,390       64    4,464

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.7      6.3     17.7     52.5     64.4     86.9     88.4     13.1     11.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      152)
      49       20       33       65       77      131      116
 
 
SING GASOIL SWAP - NEW YORK MERCANTILE EXCHANGE                      Code-02265J
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 BARRELS)                          OPEN INTEREST:        8,620
COMMITMENTS
   1,400       50      500    6,320    7,970    8,220    8,520      400      100

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      1,275)
     300        0        0      795    1,175    1,095    1,175      180      100

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.2      0.6      5.8     73.3     92.5     95.4     98.8      4.6      1.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       2        1        3       20       28       24       31
 
 
SING GASOIL/RDAM GASOIL SWAP - NEW YORK MERCANTILE EXCHANGE          Code-02265T
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:        7,275
COMMITMENTS
   1,475       50      100    5,025    6,600    6,600    6,750      675      525

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:          .)
       .        .        .        .        .        .        .        .        .

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.3      0.7      1.4     69.1     90.7     90.7     92.8      9.3      7.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       1        1        1        7       17        9       18
 
 
NATURAL GAS - NEW YORK MERCANTILE EXCHANGE                           Code-023651
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(10,000 MMBTU'S)                                     OPEN INTEREST:    1,295,677
COMMITMENTS
 139,490  336,815  454,773  624,502  471,336  1218765  1262924   76,912   32,754

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:     27,669)
  10,381   30,645   -5,013   20,708    1,007   26,076   26,639    1,594    1,030

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.8     26.0     35.1     48.2     36.4     94.1     97.5      5.9      2.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      237)
      89       54       96       78       77      224      180
 
 
MICHCON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-02365A
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       99,383
COMMITMENTS
       0   11,961    1,912   87,220   73,103   89,132   86,976   10,251   12,407

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      2,722)
       0     -230       83    1,454    2,840    1,537    2,693    1,185       29

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0     12.0      1.9     87.8     73.6     89.7     87.5     10.3     12.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       0        4        2       21       18       23       22
 
 
PERMIAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-02365B
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       83,662
COMMITMENTS
   3,525   12,451    2,300   68,762   59,236   74,587   73,987    9,075    9,675

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        213)
     -62      459      163   -1,457     -341   -1,356      281    1,569      -68

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.2     14.9      2.7     82.2     70.8     89.2     88.4     10.8     11.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
       2        2        3       26       25       29       29
 
 
M-3 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                        Code-02365C
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      117,315
COMMITMENTS
   5,602        0    2,510   99,124  105,408  107,236  107,918   10,079    9,397

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        440)
    -756        0     -546    2,142    1,027      840      481     -400      -41

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.8      0.0      2.1     84.5     89.9     91.4     92.0      8.6      8.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
       2        0        1       24       24       26       25
 
 
TCO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                        Code-02365D
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      104,933
COMMITMENTS
  13,151    3,789    4,875   78,087   84,673   96,113   93,337    8,820   11,596

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      3,684)
   1,743    1,276       90    3,013    3,540    4,846    4,906   -1,162   -1,222

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.5      3.6      4.6     74.4     80.7     91.6     88.9      8.4     11.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       39)
       3        2        2       22       30       27       32
 
 
MALIN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                      Code-02365E
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       58,737
COMMITMENTS
   8,842        0    4,918   38,291   48,078   52,051   52,996    6,686    5,741

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        810)
    -169        0      586      791      495    1,208    1,081     -398     -271

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    15.1      0.0      8.4     65.2     81.9     88.6     90.2     11.4      9.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       2        0        1       15       18       17       19
 
 
PG&E CITYGATE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE              Code-02365F
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       77,372
COMMITMENTS
   4,805        0    5,241   60,618   62,181   70,664   67,422    6,708    9,950

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        229)
     760     -457     -311     -589    1,387     -140      619      369     -390

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.2      0.0      6.8     78.3     80.4     91.3     87.1      8.7     12.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       2        0        2       20       24       22       26
 
 
NGPL TEXOK BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                 Code-02365G
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       95,093
COMMITMENTS
   2,135    1,613    2,937   85,679   79,919   90,751   84,469    4,342   10,624

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      2,351)
    -341      571       72    2,372    1,801    2,103    2,444      248      -93

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     2.2      1.7      3.1     90.1     84.0     95.4     88.8      4.6     11.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       42)
       1        2        3       25       34       28       37
 
 
NGPL MID-CON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE               Code-02365K
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      110,872
COMMITMENTS
   5,167        0    4,564   86,660   94,334   96,391   98,898   14,481   11,974

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        490)
     771     -422      225     -200      145      796      -52     -306      542

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.7      0.0      4.1     78.2     85.1     86.9     89.2     13.1     10.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       3        0        2       19       21       22       23
 
 
DEMARC BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                     Code-02365L
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       72,134
COMMITMENTS
   7,006    2,850    6,366   53,264   49,268   66,636   58,484    5,498   13,650

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        474)
   1,222    2,140   -2,828    2,080    1,162      474      474        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.7      4.0      8.8     73.8     68.3     92.4     81.1      7.6     18.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       3        1        3       17       15       21       18
 
 
VENTURA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-02365M
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      106,650
COMMITMENTS
   4,483    4,827   18,982   80,814   73,548  104,279   97,357    2,371    9,293

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      3,939)
  -1,495   -4,829    2,482    4,902    5,582    5,889    3,235   -1,950      704

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.2      4.5     17.8     75.8     69.0     97.8     91.3      2.2      8.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       2        2        3       14       15       18       18
 
 
DOMINION BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                   Code-02365N
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       65,885
COMMITMENTS
   3,072        0    3,062   50,782   50,462   56,916   53,524    8,969   12,361

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      2,963)
   1,404        0   -1,088    3,591    5,174    3,907    4,086     -944   -1,123

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.7      0.0      4.6     77.1     76.6     86.4     81.2     13.6     18.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       2        0        1       22       21       24       22
 
 
WAHA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                       Code-02365O
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      124,616
COMMITMENTS
  29,894      795    2,591   85,453  114,118  117,938  117,504    6,678    7,112

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      3,359)
     618      -30      240    1,813    3,483    2,671    3,693      688     -334

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.0      0.6      2.1     68.6     91.6     94.6     94.3      5.4      5.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       45)
       4        1        4       30       33       35       37
 
 
TRANSCO ZONE 3 SWAP - NEW YORK MERCANTILE EXCHANGE                   Code-02365S
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       54,572
COMMITMENTS
       0    4,914    1,510   46,350   46,247   47,860   52,671    6,712    1,901

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:       -897)
       0    1,844     -463     -736   -1,062   -1,199      319      302   -1,216

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      9.0      2.8     84.9     84.7     87.7     96.5     12.3      3.5

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 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      127,857
COMMITMENTS
   2,713   27,414   16,946   89,859   73,336  109,518  117,696   18,339   10,161

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      4,110)
     302     -314      680    2,944    2,112    3,926    2,478      184    1,632

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     2.1     21.4     13.3     70.3     57.4     85.7     92.1     14.3      7.9

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 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      117,733
COMMITMENTS
   8,356      477   11,789   85,994   89,974  106,139  102,240   11,594   15,493

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:       -913)
  -4,067     -784      966    2,188     -566     -913     -384        0     -529

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.1      0.4     10.0     73.0     76.4     90.2     86.8      9.8     13.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       3        1        3       18       18       22       21
 
 
HENRY HUB BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                  Code-035652
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       52,722
COMMITMENTS
       0        0        0   51,254   50,442   51,254   50,442    1,468    2,280

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        442)
       0        0        0    1,426    1,664    1,426    1,664     -984   -1,222

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0     97.2     95.7     97.2     95.7      2.8      4.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       0        0        0       13       13       13       13
 
 
HOUSTON SHIP CH BASIS SWAP - NEW YORK MERCANTILE EXCHANGE            Code-035653
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      237,649
COMMITMENTS
  14,491    5,722    5,051  203,433  212,004  222,975  222,777   14,674   14,872

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      1,015)
     534      796     -490      878      405      922      711       93      304

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.1      2.4      2.1     85.6     89.2     93.8     93.7      6.2      6.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       54)
       4        4        7       42       39       49       47
 
 
NW PIPE ROCKIES BASIS SWAP - NEW YORK MERCANTILE EXCHANGE            Code-035654
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      227,452
COMMITMENTS
  18,171    1,866   16,748  177,789  195,562  212,708  214,176   14,744   13,276

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      3,128)
  -1,890    1,866    1,575    3,376    1,290    3,061    4,731       67   -1,603

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.0      0.8      7.4     78.2     86.0     93.5     94.2      6.5      5.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       45)
       5        1        3       36       33       42       36
 
 
PANHANDLE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                  Code-035655
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      251,064
COMMITMENTS
  14,254   11,187   11,391  211,977  214,615  237,622  237,193   13,442   13,871

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:     11,442)
   1,545   -4,605    1,496    8,473   12,978   11,514    9,869      -72    1,573

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.7      4.5      4.5     84.4     85.5     94.6     94.5      5.4      5.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       53)
       5        2        5       43       38       50       43
 
 
SAN JUAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                   Code-035656
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       53,312
COMMITMENTS
       0    3,863    1,882   42,875   37,118   44,757   42,863    8,555   10,449

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      1,866)
       0     -243     -184    1,532    3,635    1,348    3,208      518   -1,342

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      7.2      3.5     80.4     69.6     84.0     80.4     16.0     19.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       0        1        1       19       15       20       16
 
 
SOCAL BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                      Code-035657
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      205,382
COMMITMENTS
  25,697    3,994   16,220  151,666  172,894  193,583  193,108   11,799   12,274

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:         42)
  -2,212    1,658     -981    2,927     -877     -266     -200      308      242

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.5      1.9      7.9     73.8     84.2     94.3     94.0      5.7      6.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       46)
       4        3        6       39       38       46       44
 
 
TRANSCO ZONE 6 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE             Code-035658
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       70,173
COMMITMENTS
   4,455    7,109      912   56,982   51,155   62,349   59,176    7,824   10,997

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:       -257)
       0      579     -257      302     -579       45     -257     -302        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.3     10.1      1.3     81.2     72.9     88.9     84.3     11.1     15.7

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 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:    3,179,543
COMMITMENTS
 997,648  121,599  917,513  1230250  2128416  3145411  3167528   34,132   12,015

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:     64,277)
  29,962   -5,837    6,075   33,211   64,697   69,248   64,935   -4,971     -658

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    31.4      3.8     28.9     38.7     66.9     98.9     99.6      1.1      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      159)
      34       20       44       99       91      154      136
 
 
HENRY HUB PENULTIMATE GAS SWAP - NEW YORK MERCANTILE EXCHANGE        Code-03565C
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:    1,121,275
COMMITMENTS
 137,475  387,538  240,931  739,176  490,049  1117582  1118518    3,693    2,757

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:     41,113)
  -2,231   53,741   12,429   33,370  -24,606   43,568   41,564   -2,455     -451

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.3     34.6     21.5     65.9     43.7     99.7     99.8      0.3      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       84)
      18       21       34       44       43       81       80
 
 
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE               Code-064657
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(40 MEGAWATT HOURS PER PEAK DAY)                     OPEN INTEREST:       95,506
COMMITMENTS
     957      576    4,909   89,382   89,522   95,248   95,007      258      499

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      4,502)
    -242      -35      292    4,328    4,105    4,378    4,363      123      139

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.0      0.6      5.1     93.6     93.7     99.7     99.5      0.3      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       45)
       5        3        6       33       32       39       40
 
 
ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE              Code-06465H
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(40 MEGAWATT HOURS PER PEAK DAY)                     OPEN INTEREST:       29,563
COMMITMENTS
   4,056        0      344   24,830   28,935   29,230   29,279      333      284

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      2,731)
       3        0      -12    2,749    2,752    2,741    2,741      -10      -10

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.7      0.0      1.2     84.0     97.9     98.9     99.0      1.1      1.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       3        0        2       20       21       23       23
 
 
PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE         Code-06465M
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2.5 MEGAWATTS PER OFF PEAK HRS)                     OPEN INTEREST:       25,138
COMMITMENTS
     740    1,338      572   21,034   21,788   22,346   23,698    2,792    1,440

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:       -390)
       0      720     -520      130     -590     -390     -390        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     2.9      5.3      2.3     83.7     86.7     88.9     94.3     11.1      5.7

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 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2.5 MEGAWATTS PER OFF PEAK HRS)                     OPEN INTEREST:       27,264
COMMITMENTS
   1,570      240      720   24,140   25,190   26,430   26,150      834    1,114

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        970)
     480        0        0      250      730      730      730      240      240

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.8      0.9      2.6     88.5     92.4     96.9     95.9      3.1      4.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
       2        1        1       21       22       24       23
 
 
CRUDE OIL, LIGHT SWEET - NEW YORK MERCANTILE EXCHANGE                Code-067651
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:    3,011,309
COMMITMENTS
 282,209  151,301  1248721  1400053  1512677  2930983  2912699   80,326   98,611

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:     67,517)
  11,900   -2,865   33,099   24,370   30,174   69,369   60,409   -1,852    7,108

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.4      5.0     41.5     46.5     50.2     97.3     96.7      2.7      3.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      375)
     111      147      172       90      104      306      328
 
 
WTI CRUDE OIL CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE           Code-06765A
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:      125,398
COMMITMENTS
  24,270   18,873    4,935   69,059   55,425   98,264   79,233   27,134   46,165

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      2,849)
   3,321    1,850     -254     -491    8,557    2,576   10,153      273   -7,304

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    19.4     15.1      3.9     55.1     44.2     78.4     63.2     21.6     36.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       3        3        3       16       15       19       21
 
 
DUBAI CRUDE OIL CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE         Code-06765G
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       20,686
COMMITMENTS
     150      815      100   20,436   19,771   20,686   20,686        0        0

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        250)
       0        0        0      250      250      250      250        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.7      3.9      0.5     98.8     95.6    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       39)
       1        3        1       24       28       26       32
 
 
WTI CRUDE OIL FINANCIAL - NEW YORK MERCANTILE EXCHANGE               Code-06765I
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:      181,502
COMMITMENTS
  30,490   36,283   39,105   99,565   97,648  169,160  173,036   12,342    8,466

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:     -6,555)
  -1,006     -165   -3,968   -1,404   -2,795   -6,378   -6,928     -177      373

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.8     20.0     21.5     54.9     53.8     93.2     95.3      6.8      4.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       50)
      12       12       20       26       26       49       47
 
 
BRENT FINANCIAL - NEW YORK MERCANTILE EXCHANGE                       Code-06765J
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       20,590
COMMITMENTS
     140    2,738    3,193   16,243   13,548   19,576   19,479    1,014    1,111

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:          .)
       .        .        .        .        .        .        .        .        .

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.7     13.3     15.5     78.9     65.8     95.1     94.6      4.9      5.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       1        2        3       14       15       17       19
 
 
BRENT-DUBAI SWAP - NEW YORK MERCANTILE EXCHANGE                      Code-06765O
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:        6,210
COMMITMENTS
     150      450        0    6,000    5,760    6,150    6,210       60        0

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:          .)
       .        .        .        .        .        .        .        .        .

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     2.4      7.2      0.0     96.6     92.8     99.0    100.0      1.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       1        1        0       12       12       13       13
 
 
PALLADIUM - NEW YORK MERCANTILE EXCHANGE                             Code-075651
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:       19,764
COMMITMENTS
  11,463    2,834       94    5,332   16,316   16,889   19,244    2,875      520

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        563)
     254      113      -10       94      369      338      472      225       91

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    58.0     14.3      0.5     27.0     82.6     85.5     97.4     14.5      2.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      103)
      52       14        3       11       28       64       44
 
 
PLATINUM - NEW YORK MERCANTILE EXCHANGE                              Code-076651
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 50 TROY OUNCES)                        OPEN INTEREST:       12,533
COMMITMENTS
   8,306    1,863       31    1,224    9,900    9,561   11,794    2,972      739

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        617)
     700      183        1     -350      554      351      738      266     -121

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    66.3     14.9      0.2      9.8     79.0     76.3     94.1     23.7      5.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       71)
      31       12        3       11       20       44       33
 
 
GASOLINE BLENDSTOCK (RBOB) - NEW YORK MERCANTILE EXCHANGE            Code-111659
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 U.S. GALLONS)                   OPEN INTEREST:      301,315
COMMITMENTS
  67,940   10,938   56,016  141,570  209,990  265,526  276,944   35,790   24,371

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:     21,120)
   8,382   -1,210    6,006    3,686   13,096   18,074   17,893    3,046    3,227

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.5      3.6     18.6     47.0     69.7     88.1     91.9     11.9      8.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      196)
      75       23       47       77       91      170      146
 
 
UP DOWN GC ULSD VS HO SPR SWAP - NEW YORK MERCANTILE EXCHANGE        Code-022A13
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 GALLONS)                        OPEN INTEREST:       12,906
COMMITMENTS
     825      622      650   11,186   11,111   12,661   12,383      245      523

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:       -200)
      75     -150        0     -290      -50     -215     -200       15        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.4      4.8      5.0     86.7     86.1     98.1     95.9      1.9      4.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       1        1        2       18       22       20       24
 
 
SING JET KERO GASOIL SPR SWAP - NEW YORK MERCANTILE EXCHANGE         Code-86465C
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:        5,370
COMMITMENTS
       0    1,400       75    5,295    3,895    5,370    5,370        0        0

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        500)
       0      150        0      500      350      500      500        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0     26.1      1.4     98.6     72.5    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       0        1        1       20       11       21       12
 
 
GASOIL CRACK SPR SWAP - NEW YORK MERCANTILE EXCHANGE                 Code-86765C
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/15/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       12,777
COMMITMENTS
   2,605      450      415    7,120    7,234   10,140    8,099    2,637    4,678

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:        359)
    -300        0        0      509      380      209      380      150      -21

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.4      3.5      3.2     55.7     56.6     79.4     63.4     20.6     36.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       5        1        2       19       16       24       19
 

Updated July 29, 2008