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GULF # 6 FUEL 3.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE        Code-02165A
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       42,813
COMMITMENTS
   1,618      564       57   40,998   41,634   42,673   42,255      140      558

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      4,423)
     240       43      -45    4,231    4,428    4,426    4,426       -3       -3

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     3.8      1.3      0.1     95.8     97.2     99.7     98.7      0.3      1.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       58)
       2        2        1       46       45       48       48
 
 
NY RES FUEL 1.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE          Code-02165B
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       14,291
COMMITMENTS
       0        0        0   14,165   14,171   14,165   14,171      126      120

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        -80)
       0        0        0      -80      -80      -80      -80        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0     99.1     99.2     99.1     99.2      0.9      0.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
       0        0        0       25       27       25       27
 
 
EUR 3.5% FUEL OIL RTD CAL SWAP - NEW YORK MERCANTILE EXCHANGE        Code-02165E
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS)                     OPEN INTEREST:       10,597
COMMITMENTS
      98      421      167    8,920    8,557    9,185    9,145    1,412    1,452

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        255)
       0       21       21      281      215      302      257      -47       -2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.9      4.0      1.6     84.2     80.7     86.7     86.3     13.3     13.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       43)
       2        2        3       36       38       39       42
 
 
SING FUEL OIL 180 CAL SWAP - NEW YORK MERCANTILE EXCHANGE            Code-02165G
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS)                     OPEN INTEREST:        8,105
COMMITMENTS
     626      158      441    6,497    6,815    7,564    7,414      541      691

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        812)
     109      -10      164      630      696      903      850      -91      -38

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.7      1.9      5.4     80.2     84.1     93.3     91.5      6.7      8.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       70)
       7        3        9       49       57       58       67
 
 
FUEL OIL CARGOES B PLATTS SWAP - NEW YORK MERCANTILE EXCHANGE        Code-02165H
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS)                     OPEN INTEREST:        4,130
COMMITMENTS
     415        0        0    2,496    2,633    2,911    2,633    1,219    1,497

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:         32)
      45        0        0        8        3       53        3      -21       29

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.0      0.0      0.0     60.4     63.8     70.5     63.8     29.5     36.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       1        0        0       18       19       19       19
 
 
EAST WEST FUEL OIL SPR SWAP - NEW YORK MERCANTILE EXCHANGE           Code-02165I
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS)                     OPEN INTEREST:        3,187
COMMITMENTS
     544      375      216    1,872    2,244    2,632    2,835      555      352

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        150)
      30       15       60       71      111      161      186      -11      -36

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    17.1     11.8      6.8     58.7     70.4     82.6     89.0     17.4     11.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       1        2        2       17       17       19       20
 
 
SING 180 380 FUEL OIL SPR SWAP - NEW YORK MERCANTILE EXCHANGE        Code-02165J
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS)                     OPEN INTEREST:        1,728
COMMITMENTS
       0       50        0    1,361    1,244    1,361    1,294      367      434

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:         85)
       0        0        0       25       95       25       95       60      -10

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      2.9      0.0     78.8     72.0     78.8     74.9     21.2     25.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       0        1        0       19       17       19       18
 
 
SING 380 FUEL OIL SWAP - NEW YORK MERCANTILE EXCHANGE                Code-02165K
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS)                     OPEN INTEREST:        1,876
COMMITMENTS
       0       10       80    1,248    1,482    1,328    1,572      548      304

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        182)
       0       -5       45       99      109      144      149       38       33

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.5      4.3     66.5     79.0     70.8     83.8     29.2     16.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       0        1        1       20       15       21       16
 
 
NY 1% V GULF 3% FUEL OIL SPR - NEW YORK MERCANTILE EXCHANGE          Code-02165T
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 GALLONS)                         OPEN INTEREST:       12,645
COMMITMENTS
       0        0        0   12,465   12,162   12,465   12,162      180      483

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        400)
       0        0        0      400      400      400      400        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0     98.6     96.2     98.6     96.2      1.4      3.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       0        0        0       19       19       19       19
 
 
GULF NO6 FO 3% v EUR 3.5% RDAM - NEW YORK MERCANTILE EXCHANGE        Code-021A28
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       16,517
COMMITMENTS
       0    2,268       30   16,102   14,198   16,132   16,496      385       21

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      1,986)
       0      514       30    1,691    1,442    1,721    1,986      265        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0     13.7      0.2     97.5     86.0     97.7     99.9      2.3      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
       0        1        1       27       19       28       20
 
 
NO. 2 HEATING OIL, N.Y. HARBOR - NEW YORK MERCANTILE EXCHANGE        Code-022651
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 U.S. GALLONS)                   OPEN INTEREST:      347,082
COMMITMENTS
  50,790   26,107   53,308  200,591  241,419  304,689  320,833   42,392   26,248

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:    -40,174)
   2,490   -3,003  -14,671  -28,125  -17,867  -40,307  -35,541      133   -4,633

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    14.6      7.5     15.4     57.8     69.6     87.8     92.4     12.2      7.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      160)
      45       20       43       66       82      134      129
 
 
HEATING OIL AVG PRICE OPTIONS - NEW YORK MERCANTILE EXCHANGE         Code-022653
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 U.S. GALLONS)                   OPEN INTEREST:      118,569
COMMITMENTS
     165    5,717   31,358   81,120   77,724  112,643  114,798    5,926    3,771

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:     -2,732)
     -74     -185     -423   -2,207   -2,082   -2,705   -2,691      -28      -42

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.1      4.8     26.4     68.4     65.6     95.0     96.8      5.0      3.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       1        7        8       12       12       20       20
 
 
SING GASOIL SWAP - NEW YORK MERCANTILE EXCHANGE                      Code-02265J
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 BARRELS)                          OPEN INTEREST:       17,442
COMMITMENTS
   1,005    1,091      504   15,373   15,747   16,882   17,342      560      100

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      2,352)
     580        0       14    1,338    2,338    1,932    2,352      420        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.8      6.3      2.9     88.1     90.3     96.8     99.4      3.2      0.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       69)
       5        6        6       44       45       53       54
 
 
SING GASOIL/RDAM GASOIL SWAP - NEW YORK MERCANTILE EXCHANGE          Code-02265T
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:        7,880
COMMITMENTS
   1,290      610      220    6,349    7,050    7,859    7,880       21        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        225)
       0        0        0      225      225      225      225        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.4      7.7      2.8     80.6     89.5     99.7    100.0      0.3      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       42)
       5        2        2       24       18       31       21
 
 
GASOIL (ICE) MINI CAL SWAP - NEW YORK MERCANTILE EXCHANGE            Code-022A24
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 METRIC TONS)                       OPEN INTEREST:        5,743
COMMITMENTS
     468      420        0    3,969    4,520    4,437    4,940    1,306      803

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        -15)
       0        0        0      -15       18      -15       18        0      -33

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.1      7.3      0.0     69.1     78.7     77.3     86.0     22.7     14.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       1        1        0       16       15       17       16
 
 
NATURAL GAS - NEW YORK MERCANTILE EXCHANGE                           Code-023651
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 10,000 MMBTU'S)                        OPEN INTEREST:      973,488
COMMITMENTS
 140,522  282,010  363,041  390,643  285,843  894,206  930,894   79,283   42,594

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:       -663)
  -4,413  -30,968   16,507  -13,590   13,475   -1,496     -985      833      323

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    14.4     29.0     37.3     40.1     29.4     91.9     95.6      8.1      4.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      332)
     108      119      163       81       76      292      273
 
 
TCO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                        Code-02365D
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:       47,439
COMMITMENTS
       0        0        0   36,558   44,231   36,558   44,231   10,881    3,208

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0     77.1     93.2     77.1     93.2     22.9      6.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       0        0        0       14       14       14       14
 
 
NGPL TEXOK BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                 Code-02365G
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:       40,812
COMMITMENTS
   2,496      904    2,194   33,314   32,446   38,004   35,544    2,808    5,268

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:         96)
       0     -288      216      520      288      736      216     -640     -120

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.1      2.2      5.4     81.6     79.5     93.1     87.1      6.9     12.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       2        1        3       15       15       18       18
 
 
EUR STYLE NATURAL GAS OPTIONS - NEW YORK MERCANTILE EXCHANGE         Code-02365U
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 10,000 MMBTU'S)                        OPEN INTEREST:    1,649,681
COMMITMENTS
  82,982   82,017  513,014  1046501  1049585  1642497  1644616    7,184    5,065

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:    -72,401)
 -16,671  -25,397  -17,155  -38,286  -28,830  -72,113  -71,381     -288   -1,019

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.0      5.0     31.1     63.4     63.6     99.6     99.7      0.4      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      151)
      51       29       65       66       65      142      134
 
 
NATURAL GAS CAL SPREAD OPT FIN - NEW YORK MERCANTILE EXCHANGE        Code-023A84
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 10,000 MMBTU'S)                        OPEN INTEREST:       49,984
COMMITMENTS
  11,726   11,278   21,551   16,099   16,172   49,375   49,001      608      983

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      2,324)
    -227      133    1,754      786      307    2,313    2,193       11      131

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    23.5     22.6     43.1     32.2     32.4     98.8     98.0      1.2      2.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       43)
       9       13       17       17       20       35       41
 
 
HOUSTON SHIP CH BASIS SWAP - NEW YORK MERCANTILE EXCHANGE            Code-035653
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:       89,508
COMMITMENTS
     830    7,459    3,190   79,915   74,353   83,935   85,002    5,573    4,506

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.9      8.3      3.6     89.3     83.1     93.8     95.0      6.2      5.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
       1        2        3       18       24       21       27
 
 
NW PIPE ROCKIES BASIS SWAP - NEW YORK MERCANTILE EXCHANGE            Code-035654
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:       75,748
COMMITMENTS
   5,398        0    1,011   60,073   63,536   66,482   64,547    9,266   11,201

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      2,728)
   4,264        0     -366   -1,506     -196    2,392     -562      336    3,290

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.1      0.0      1.3     79.3     83.9     87.8     85.2     12.2     14.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       1        0        1       15       18       16       19
 
 
PANHANDLE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                  Code-035655
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      132,811
COMMITMENTS
   5,306        0    4,225  109,105  120,631  118,636  124,856   14,175    7,955

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        105)
     683     -375      307     -885      173      105      105        0        1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.0      0.0      3.2     82.2     90.8     89.3     94.0     10.7      6.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       3        0        2       24       26       27       28
 
 
HENRY HUB SWAP - NEW YORK MERCANTILE EXCHANGE                        Code-03565B
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:    2,569,683
COMMITMENTS
 534,299   69,073  760,881  1239608  1710048  2534788  2540002   34,895   29,681

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:    -64,743)
  -7,733  -10,078   -5,113  -51,312  -49,253  -64,158  -64,444     -585     -299

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.8      2.7     29.6     48.2     66.5     98.6     98.8      1.4      1.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      169)
      46       18       48      101       89      162      140
 
 
HENRY HUB PENULTIMATE GAS SWAP - NEW YORK MERCANTILE EXCHANGE        Code-03565C
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      947,634
COMMITMENTS
 138,292   61,491  157,107  648,758  725,322  944,157  943,920    3,477    3,714

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:    -82,474)
 -40,577  -32,857  -20,426  -20,897  -29,041  -81,900  -82,324     -574     -150

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    14.6      6.5     16.6     68.5     76.5     99.6     99.6      0.4      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       99)
      22       29       33       45       37       85       81
 
 
CENTRAL APPALACHIAN COAL - NEW YORK MERCANTILE EXCHANGE              Code-024651
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,550 TONS)                            OPEN INTEREST:        7,101
COMMITMENTS
     285       30       90    6,315    6,551    6,690    6,671      411      430

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        -56)
       0        0      -30      -57      -44      -87      -74       31       18

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.0      0.4      1.3     88.9     92.2     94.2     93.9      5.8      6.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       1        1        1       17       16       19       17
 
 
CHICAGO ETHANOL SWAP - NEW YORK MERCANTILE EXCHANGE                  Code-025651
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 U.S. GALLONS)                   OPEN INTEREST:       12,034
COMMITMENTS
     246    1,064      256   11,336   10,436   11,838   11,756      196      278

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        281)
      28       -1      -84      313      342      257      257       24       24

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     2.0      8.8      2.1     94.2     86.7     98.4     97.7      1.6      2.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       49)
       3        3        3       32       32       38       36
 
 
NEW YORK ETHANOL SWAP - NEW YORK MERCANTILE EXCHANGE                 Code-025652
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 U.S. GALLONS)                   OPEN INTEREST:        1,424
COMMITMENTS
       0        0        0    1,404    1,349    1,404    1,349       20       75

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:          .)
       .        .        .        .        .        .        .        .        .

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0     98.6     94.7     98.6     94.7      1.4      5.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       0        0        0       13       14       13       14
 
 
EUROPEAN NAPHTHA CAL SWAP - NEW YORK MERCANTILE EXCHANGE             Code-03265A
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS)                     OPEN INTEREST:        2,378
COMMITMENTS
      58      218       68    1,485    1,423    1,611    1,709      767      669

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:         34)
     -14      -12       10       -5       -9       -9      -11       43       45

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     2.4      9.2      2.9     62.4     59.8     67.7     71.9     32.3     28.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       1        3        2       15       15       17       19
 
 
JAPAN C&F NAPHTHA SWAP - NEW YORK MERCANTILE EXCHANGE                Code-03265C
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS)                     OPEN INTEREST:        1,790
COMMITMENTS
      78        8       77    1,304    1,202    1,459    1,287      331      503

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        189)
      16       -3       23       12       78       51       98      138       91

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.4      0.4      4.3     72.8     67.2     81.5     71.9     18.5     28.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       2        1        3       24       22       27       25
 
 
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE               Code-064657
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(40 MEGAWATT HOURS PER PEAK DAY)                     OPEN INTEREST:      191,166
COMMITMENTS
  12,085    3,969   19,348  157,543  166,838  188,975  190,155    2,191    1,012

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:     -7,585)
     559      853     -752   -7,125   -7,172   -7,318   -7,071     -267     -514

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.3      2.1     10.1     82.4     87.3     98.9     99.5      1.1      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       48)
       4        6        8       35       34       45       42
 
 
ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE              Code-06465H
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(40 MEGAWATT HOURS PER PEAK DAY)                     OPEN INTEREST:       24,098
COMMITMENTS
     273      933    1,462   21,195   20,541   22,930   22,936    1,168    1,162

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:       -188)
    -138       51      -42        0     -209     -180     -200       -8       12

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.1      3.9      6.1     88.0     85.2     95.2     95.2      4.8      4.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
       1        2        1       23       19       24       22
 
 
NORTH ILL CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE          Code-06465I
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(40 MEGAWATT HOURS PER PEAK DAY)                     OPEN INTEREST:       10,958
COMMITMENTS
     624    1,042       76    8,077    8,696    8,777    9,814    2,181    1,144

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:       -389)
     -27       -4        8     -270     -471     -289     -467     -100       78

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.7      9.5      0.7     73.7     79.4     80.1     89.6     19.9     10.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       1        3        3       14       14       17       18
 
 
PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE         Code-06465M
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2.5 MEGAWATTS PER OFF PEAK HRS)                     OPEN INTEREST:       29,583
COMMITMENTS
     290    2,208      816   26,038   25,255   27,144   28,279    2,439    1,304

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        150)
      10       80        0      140       70      150      150        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.0      7.5      2.8     88.0     85.4     91.8     95.6      8.2      4.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
       2        2        2       24       18       27       21
 
 
ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE           Code-06465S
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2.5 MEGAWATTS PER OFF PEAK HRS)                     OPEN INTEREST:       11,904
COMMITMENTS
      18      395      352   10,330   10,537   10,700   11,284    1,204      620

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:         72)
       0        4        0       24       68       24       72       48        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.2      3.3      3.0     86.8     88.5     89.9     94.8     10.1      5.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       1        1        1       19       16       20       18
 
 
ISO NEW ENG CONN PEAK SWAP - NEW YORK MERCANTILE EXCHANGE            Code-06465T
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 80 Megawatt Hours)                     OPEN INTEREST:       23,473
COMMITMENTS
     235        0        0   23,068   23,303   23,303   23,303      170      170

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        364)
       0        0        0      364      364      364      364        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.0      0.0      0.0     98.3     99.3     99.3     99.3      0.7      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       1        0        0       13        9       14        9
 
 
CINERGY CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE            Code-064A01
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(40 MEGAWATT HOURS PER PEAK DAY)                     OPEN INTEREST:       25,312
COMMITMENTS
     330      649      513   22,165   23,324   23,008   24,486    2,304      826

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:     -1,287)
       0      -60       12   -1,296   -1,236   -1,284   -1,283       -4       -4

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.3      2.6      2.0     87.6     92.1     90.9     96.7      9.1      3.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       1        2        3       23       20       26       23
 
 
PJM N ILL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE              Code-064A34
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 80 Megawatt Hours)                     OPEN INTEREST:       47,156
COMMITMENTS
       0      340        0   46,731   46,795   46,731   47,135      425       21

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.7      0.0     99.1     99.2     99.1    100.0      0.9      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       0        1        0       12       13       12       14
 
 
PJM N ILL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE          Code-064A35
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 5 Megawatt Hours)                      OPEN INTEREST:      730,330
COMMITMENTS
   6,558        0    5,586  718,186  724,744  730,330  730,330        0        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.9      0.0      0.8     98.3     99.2    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       1        0        1       14       12       15       13
 
 
PJM PSEG PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE               Code-064A54
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 80 Megawatt Hours)                     OPEN INTEREST:       57,593
COMMITMENTS
       0        0        0   57,593   57,593   57,593   57,593        0        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0    100.0    100.0    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       0        0        0       17       13       17       13
 
 
PJM PSEG OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE           Code-064A55
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 5 Megawatt Hours)                      OPEN INTEREST:    1,039,882
COMMITMENTS
       0        0        0  1039882  1039882  1039882  1039882        0        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0    100.0    100.0    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       0        0        0       18       12       18       12
 
 
PJM WESTERN PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE            Code-064A56
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 80 Megawatt Hours)                     OPEN INTEREST:      178,572
COMMITMENTS
       0      468    1,999  176,573  176,105  178,572  178,572        0        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:         84)
       0        0        0       84       84       84       84        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.3      1.1     98.9     98.6    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       40)
       0        1        1       23       30       24       31
 
 
PJM WESTERN OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE        Code-064A57
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 50 MEGAWATT HOURS)                     OPEN INTEREST:    3,064,411
COMMITMENTS
       0   38,316   13,278  3051133  3012817  3064411  3064411        0        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      1,632)
       0        0        0    1,632    1,632    1,632    1,632        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      1.3      0.4     99.6     98.3    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       37)
       0        1        1       17       27       18       28
 
 
PJM WESTERN PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE            Code-064A58
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 80 Megawatt Hours)                     OPEN INTEREST:       50,445
COMMITMENTS
   4,235    2,010      347   45,863   48,088   50,445   50,445        0        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        785)
    -215      630      215      785      -60      785      785        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.4      4.0      0.7     90.9     95.3    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
       3        3        2       25       20       29       24
 
 
PJM WESTERN OFF PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE        Code-064A59
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 5 Megawatt Hours)                      OPEN INTEREST:    1,190,704
COMMITMENTS
  46,720   46,429        0  1143984  1144275  1190704  1190704        0        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      4,680)
       0        0        0    4,680    4,680    4,680    4,680        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     3.9      3.9      0.0     96.1     96.1    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
       2        2        0       24       22       26       24
 
 
ISO NEW ENG INT HUB PEAK SWAP - NEW YORK MERCANTILE EXCHANGE         Code-064A60
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 80 Megawatt Hours)                     OPEN INTEREST:       55,561
COMMITMENTS
     215        0        0   55,303   55,008   55,518   55,008       43      553

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        342)
     110        0        0      232      342      342      342        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.4      0.0      0.0     99.5     99.0     99.9     99.0      0.1      1.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       1        0        0       20       20       21       20
 
 
PJM N ILL HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE          Code-064A63
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 80 Megawatt Hours)                     OPEN INTEREST:       38,689
COMMITMENTS
     630    3,440      385   37,420   34,694   38,435   38,519      254      170

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        215)
       0     -215      215        0      215      215      215        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.6      8.9      1.0     96.7     89.7     99.3     99.6      0.7      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       1        1        1       13       13       15       14
 
 
NYISO ZONE G 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE           Code-064A68
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 80 Megawatt Hours)                     OPEN INTEREST:       34,044
COMMITMENTS
     510      526        0   33,109   33,199   33,619   33,725      425      319

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:       -287)
       0        0        0     -287     -287     -287     -287        0       -0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.5      1.5      0.0     97.3     97.5     98.8     99.1      1.2      0.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       1        1        0       17       14       18       15
 
 
ISO NEW ENG CONN OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE        Code-064A71
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 5 Megawatt Hours)                      OPEN INTEREST:      402,605
COMMITMENTS
   2,040        0        0  400,565  402,605  402,605  402,605        0        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.5      0.0      0.0     99.5    100.0    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       1        0        0       13        9       14        9
 
 
ISO NEW ENG HUB OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE         Code-064A78
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 5 Megawatt Hours)                      OPEN INTEREST:    1,047,214
COMMITMENTS
  23,400   23,967        0  1023814  1023247  1047214  1047214        0        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      1,300)
       0    5,506   -2,400    3,700   -1,806    1,300    1,300        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     2.2      2.3      0.0     97.8     97.7    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
       1        2        0       20       22       21       24
 
 
PJM N ILL HUB 5 OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE         Code-064A79
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 5 Megawatt Hours)                      OPEN INTEREST:      702,666
COMMITMENTS
  76,793        0   25,207  600,666  677,459  702,666  702,666        0        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.9      0.0      3.6     85.5     96.4    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       2        0        1       14        8       16        9
 
 
NYISO ZONE A 5MW OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE        Code-064A82
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 5 Megawatt Hours)                      OPEN INTEREST:      165,581
COMMITMENTS
       0        0        0  165,581  165,581  165,581  165,581        0        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0    100.0    100.0    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       0        0        0       11       12       11       12
 
 
MW CINERGY OFF PEAK CAL MONTH - NEW YORK MERCANTILE EXCHANGE         Code-064A88
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 5 Megawatts Per Hour)                  OPEN INTEREST:      342,392
COMMITMENTS
       0        0        0  342,392  342,392  342,392  342,392        0        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        424)
       0        0        0      424      424      424      424        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0    100.0    100.0    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       0        0        0       10       14       10       14
 
 
MT BELVIEU PROPANE (OPIS) SWAP - NEW YORK MERCANTILE EXCHANGE        Code-06665O
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 GALLONS)                        OPEN INTEREST:       23,105
COMMITMENTS
      86       70       20   22,669   22,650   22,775   22,740      330      365

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        215)
       5        0        0      404      260      409      260     -194      -45

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.4      0.3      0.1     98.1     98.0     98.6     98.4      1.4      1.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       43)
       1        1        1       35       36       37       37
 
 
MT BELVIEU ETHANE OPIS SWAP - NEW YORK MERCANTILE EXCHANGE           Code-06665P
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 GALLONS)                        OPEN INTEREST:       16,286
COMMITMENTS
   1,048       40      100   14,936   15,664   16,084   15,804      202      482

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:         65)
      50      -70       30      -15      105       65       65        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.4      0.2      0.6     91.7     96.2     98.8     97.0      1.2      3.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       4        1        2       20       22       25       24
 
 
MT BELV NORM BUTANE OPIS SWAP - NEW YORK MERCANTILE EXCHANGE         Code-06665Q
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 GALLONS)                        OPEN INTEREST:        8,495
COMMITMENTS
     260        0       45    7,880    7,785    8,185    7,830      310      665

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        445)
     260      -30        0      161      421      421      391       24       54

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     3.1      0.0      0.5     92.8     91.6     96.4     92.2      3.6      7.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       1        0        1       19       19       21       20
 
 
MT BELV NAT GASOLINE OPIS SWAP - NEW YORK MERCANTILE EXCHANGE        Code-06665R
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 GALLONS)                        OPEN INTEREST:       11,884
COMMITMENTS
       0        0        0   11,366   11,055   11,366   11,055      518      829

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        209)
       0        0        0      184      189      184      189       25       20

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0     95.6     93.0     95.6     93.0      4.4      7.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
       0        0        0       19       20       19       20
 
 
CRUDE OIL, LIGHT SWEET - NEW YORK MERCANTILE EXCHANGE                Code-067651
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:    2,716,656
COMMITMENTS
 355,426  106,657  935,288  1323505  1602012  2614219  2643957  102,437   72,699

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        649)
   1,391    6,936    4,973  -11,441  -15,549   -5,077   -3,640    5,727    4,290

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.1      3.9     34.4     48.7     59.0     96.2     97.3      3.8      2.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      399)
     176       99      222       96      104      370      342
 
 
CRUDE OIL CAL SPREAD OPTIONS - NEW YORK MERCANTILE EXCHANGE          Code-067657
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:      250,649
COMMITMENTS
 128,947   40,658   30,109   90,398  175,059  249,454  245,826    1,195    4,823

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:     23,323)
   4,223    3,244    2,390   16,585   16,629   23,197   22,263      125    1,060

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    51.4     16.2     12.0     36.1     69.8     99.5     98.1      0.5      1.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       43)
       7       12       15       23       24       38       43
 
 
WTI CRUDE OIL CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE           Code-06765A
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:      222,059
COMMITMENTS
  55,021   13,870    5,199  120,902  145,012  181,122  164,081   40,937   57,978

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      3,242)
     930     -956      176    1,389    3,138    2,495    2,358      747      884

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.8      6.2      2.3     54.4     65.3     81.6     73.9     18.4     26.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
       7        3        7       22       22       31       30
 
 
EUR STYLE CRUDE OIL OPTIONS - NEW YORK MERCANTILE EXCHANGE           Code-06765B
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:      142,903
COMMITMENTS
  35,754    2,872   21,082   80,530  115,219  137,365  139,172    5,538    3,731

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      6,345)
   2,276      -38      186    3,396    5,689    5,859    5,838      487      507

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.0      2.0     14.8     56.4     80.6     96.1     97.4      3.9      2.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       60)
      20       13       26       25       23       58       51
 
 
CRUDE OIL AVG PRICE OPTIONS - NEW YORK MERCANTILE EXCHANGE           Code-06765C
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:      595,929
COMMITMENTS
  40,310    5,101  101,272  436,332  468,911  577,914  575,285   18,015   20,644

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:    -21,359)
  -5,070      417   -4,052  -14,918  -19,880  -24,040  -23,515    2,681    2,156

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.8      0.9     17.0     73.2     78.7     97.0     96.5      3.0      3.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       47)
      12        2       14       32       33       46       47
 
 
DUBAI CRUDE OIL CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE         Code-06765G
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       35,349
COMMITMENTS
       0    1,175      925   34,349   33,162   35,274   35,262       75       87

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      1,110)
       0      600        0    1,110      498    1,110    1,098        0       12

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      3.3      2.6     97.2     93.8     99.8     99.8      0.2      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       50)
       0        4        4       37       38       41       45
 
 
WTI CRUDE OIL FINANCIAL - NEW YORK MERCANTILE EXCHANGE               Code-06765I
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       69,790
COMMITMENTS
   2,771   19,535    2,792   61,020   43,461   66,583   65,788    3,207    4,002

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        613)
       0     -803      500     -146      600      354      297      259      316

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.0     28.0      4.0     87.4     62.3     95.4     94.3      4.6      5.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       37)
       4        7       10       24       21       35       32
 
 
BRENT FINANCIAL - NEW YORK MERCANTILE EXCHANGE                       Code-06765J
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       31,293
COMMITMENTS
   2,658    1,636    3,419   22,017   24,205   28,094   29,260    3,199    2,033

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        909)
     267      603      -37      430      317      660      883      249       26

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.5      5.2     10.9     70.4     77.3     89.8     93.5     10.2      6.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       3        3        5       14       15       19       22
 
 
BRENT-DUBAI SWAP - NEW YORK MERCANTILE EXCHANGE                      Code-06765O
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       15,620
COMMITMENTS
   2,475      287        0   13,085   15,270   15,560   15,557       60       63

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        300)
       0        0        0      240      300      240      300       60        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    15.8      1.8      0.0     83.8     97.8     99.6     99.6      0.4      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
       5        1        0       20       19       25       20
 
 
EUR STYLE BRENT OPTIONS - NEW YORK MERCANTILE EXCHANGE               Code-06765X
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       12,391
COMMITMENTS
     529    1,809      453   10,850    8,956   11,832   11,219      559    1,172

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        896)
      97      -18       -2      906      871    1,001      851     -105       45

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.3     14.6      3.7     87.6     72.3     95.5     90.5      4.5      9.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
       5        8        7       16       17       25       28
 
 
BRENT AVG PRICE OPTIONS - NEW YORK MERCANTILE EXCHANGE               Code-06765Y
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       64,483
COMMITMENTS
     252      508    2,430   48,337   48,243   51,019   51,181   13,465   13,303

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:     -2,439)
      45     -371     -404   -1,979   -1,305   -2,337   -2,079     -101     -359

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.4      0.8      3.8     75.0     74.8     79.1     79.4     20.9     20.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       2        2        4       16       17       20       21
 
 
PALLADIUM - NEW YORK MERCANTILE EXCHANGE                             Code-075651
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:       21,503
COMMITMENTS
  13,644    2,942      326    5,227   17,107   19,197   20,375    2,306    1,128

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        440)
     595   -1,264      -59     -108    1,753      429      430       11       10

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    63.5     13.7      1.5     24.3     79.6     89.3     94.8     10.7      5.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      138)
      66       25       11       24       38       95       70
 
 
PLATINUM - NEW YORK MERCANTILE EXCHANGE                              Code-076651
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 50 TROY OUNCES)                        OPEN INTEREST:       39,078
COMMITMENTS
  25,009    1,964      806    7,818   34,462   33,633   37,233    5,445    1,846

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      1,109)
     605     -479      -17       59    1,608      647    1,113      461       -4

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    64.0      5.0      2.1     20.0     88.2     86.1     95.3     13.9      4.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      140)
      78       19       14       20       34      108       60
 
 
GASOLINE BLENDSTOCK (RBOB) - NEW YORK MERCANTILE EXCHANGE            Code-111659
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 U.S. GALLONS)                   OPEN INTEREST:      278,814
COMMITMENTS
  66,858   15,364   32,253  159,629  217,475  258,739  265,091   20,075   13,723

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:    -30,038)
   1,441     -766   -9,567  -22,369  -17,694  -30,494  -28,027      456   -2,011

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.0      5.5     11.6     57.3     78.0     92.8     95.1      7.2      4.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      187)
      60       22       41       70       92      147      141
 
 
RBOB CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-11165K
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 U.S. GALLONS)                   OPEN INTEREST:       31,135
COMMITMENTS
   8,877      241      914   15,311   26,330   25,102   27,485    6,033    3,650

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      1,153)
      17        0      140      521      800      678      940      475      213

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    28.5      0.8      2.9     49.2     84.6     80.6     88.3     19.4     11.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
       6        1        5       19       23       26       28
 
 
SING JET KERO SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-26265D
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:        4,933
COMMITMENTS
       0      325      400    4,483    4,208    4,883    4,933       50        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        799)
       0        0      300      449      499      749      799       50        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      6.6      8.1     90.9     85.3     99.0    100.0      1.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
       0        2        2       25       25       27       28
 
 
UP DOWN GC ULSD VS HO SPR SWAP - NEW YORK MERCANTILE EXCHANGE        Code-022A13
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 GALLONS)                        OPEN INTEREST:       59,724
COMMITMENTS
   1,322       74      243   57,375   59,332   58,940   59,649      784       75

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        -56)
       0     -330        0      -31      299      -31      -31      -25      -25

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     2.2      0.1      0.4     96.1     99.3     98.7     99.9      1.3      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       55)
       3        1        2       45       35       49       37
 
 
ULSD UP DOWN SWAP - NEW YORK MERCANTILE EXCHANGE                     Code-022A18
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 GALLONS)                        OPEN INTEREST:       12,275
COMMITMENTS
       0        0        0   12,075   12,275   12,075   12,275      200        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:         50)
       0        0        0       50       50       50       50        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0     98.4    100.0     98.4    100.0      1.6      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       0        0        0       21       10       21       10
 
 
GULF JET NY HEAT OIL SPR SWAP - NEW YORK MERCANTILE EXCHANGE         Code-86465A
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 GALLONS)                        OPEN INTEREST:       19,371
COMMITMENTS
       0        0        0   19,331   19,371   19,331   19,371       40        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        249)
       0        0        0      249      249      249      249        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      0.0      0.0     99.8    100.0     99.8    100.0      0.2      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       0        0        0       18       15       18       15
 
 
SING JET KERO GASOIL SPR SWAP - NEW YORK MERCANTILE EXCHANGE         Code-86465C
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:        8,065
COMMITMENTS
     145    4,115        0    7,920    3,950    8,065    8,065        0        0

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.8     51.0      0.0     98.2     49.0    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       46)
       1        4        0       31       23       32       27
 
 
GULF # 6 FUEL OIL CRACK SWAP - NEW YORK MERCANTILE EXCHANGE          Code-86565A
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       12,236
COMMITMENTS
   1,204        0      150   10,388   11,859   11,742   12,009      494      227

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        682)
     300        0      105      277      570      682      675        0        7

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.8      0.0      1.2     84.9     96.9     96.0     98.1      4.0      1.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       2        0        1       25       24       27       25
 
 
3.5% FUEL OIL RDAM CRACK SPR - NEW YORK MERCANTILE EXCHANGE          Code-86565C
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       19,367
COMMITMENTS
   1,016    3,647      720   17,586   14,972   19,322   19,339       45       28

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        606)
    -568      464       60    1,114       82      606      606        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.2     18.8      3.7     90.8     77.3     99.8     99.9      0.2      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       58)
       5        3        5       41       37       48       43
 
 
NAPHTHA CRACK SPR SWAP - NEW YORK MERCANTILE EXCHANGE                Code-86665A
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       12,457
COMMITMENTS
     564      195      483   11,110   11,590   12,157   12,268      300      189

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:        630)
      54        0      -54      550      604      550      550       80       80

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.5      1.6      3.9     89.2     93.0     97.6     98.5      2.4      1.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       39)
       2        1        2       28       30       31       32
 
 
GASOIL CRACK SPR SWAP - NEW YORK MERCANTILE EXCHANGE                 Code-86765C
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       33,558
COMMITMENTS
  14,084      563    1,208   17,796   31,547   33,088   33,318      470      240

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      1,932)
   1,800        0       57       75    1,875    1,932    1,932        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    42.0      1.7      3.6     53.0     94.0     98.6     99.3      1.4      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       57)
      13        1        6       27       31       43       38
 
 
EUROBOB OXY NWE CRK SPR - NEW YORK MERCANTILE EXCHANGE               Code-967654
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       18,623
COMMITMENTS
   3,477      518      820   12,238   13,117   16,535   14,455    2,088    4,168

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:       -270)
    -171      335      170     -148      139     -149      644     -121     -914

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    18.7      2.8      4.4     65.7     70.4     88.8     77.6     11.2     22.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       3        1        2       18       18       22       20
```

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Updated June 8, 2011