NY RES FUEL 1.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE          Code-02165B
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:        5,353
COMMITMENTS
   1,080    1,180        0    3,434    3,785    4,514    4,965      839      388

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -1,004)
       0     -200        0     -974     -760     -974     -960      -30      -44

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    20.2     22.0      0.0     64.2     70.7     84.3     92.8     15.7      7.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       1        1        0       14       18       15       19
 
 
NO. 2 HEATING OIL, N.Y. HARBOR - NEW YORK MERCANTILE EXCHANGE        Code-022651
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 U.S. GALLONS)                   OPEN INTEREST:      165,373
COMMITMENTS
  25,587   15,968   20,386   88,087  107,012  134,060  143,366   31,313   22,007

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -1,159)
   2,068   -1,303   -1,771   -3,822    3,221   -3,525      147    2,366   -1,306

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    15.5      9.7     12.3     53.3     64.7     81.1     86.7     18.9     13.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      126)
      30       24       27       55       60      102       97
 
 
NATURAL GAS - NEW YORK MERCANTILE EXCHANGE                           Code-023651
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(10,000 MMBTU'S)                                     OPEN INTEREST:      836,815
COMMITMENTS
  90,364   94,553  327,744  347,025  378,389  765,133  800,686   71,682   36,129

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     13,949)
    -440   -8,559    6,134    9,948   15,786   15,642   13,361   -1,693      588

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    10.8     11.3     39.2     41.5     45.2     91.4     95.7      8.6      4.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      230)
      74       54       81       95       76      205      180
 
 
MICHCON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-02365A
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       69,150
COMMITMENTS
     413    9,798    5,279   56,173   49,161   61,865   64,238    7,285    4,912

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -1,349)
    -950   -2,114    1,927   -2,208   -1,396   -1,231   -1,583     -118      234

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.6     14.2      7.6     81.2     71.1     89.5     92.9     10.5      7.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       1        1        2       19       21       21       23
 
 
PERMIAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-02365B
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       55,768
COMMITMENTS
   3,194    3,433    4,145   40,949   41,042   48,288   48,620    7,480    7,148

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:    -11,575)
  -2,446    1,026   -1,662   -7,124  -10,905  -11,232  -11,541     -343      -34

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     5.7      6.2      7.4     73.4     73.6     86.6     87.2     13.4     12.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       3        2        3       21       16       26       19
 
 
M-3 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                        Code-02365C
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      127,880
COMMITMENTS
   7,398      744      615  108,520  115,060  116,533  116,419   11,347   11,461

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -5,199)
   1,496      150     -150   -4,097   -6,861   -2,751   -6,861   -2,448    1,662

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     5.8      0.6      0.5     84.9     90.0     91.1     91.0      8.9      9.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       3        1        1       25       25       29       26
 
 
TCO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                        Code-02365D
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       80,412
COMMITMENTS
  11,984        0        0   62,562   71,130   74,546   71,130    5,866    9,282

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:        254)
       0        0        0      438      636      438      636     -184     -382

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    14.9      0.0      0.0     77.8     88.5     92.7     88.5      7.3     11.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       1        0        0       21       22       22       22
 
 
MALIN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                      Code-02365E
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       82,355
COMMITMENTS
   1,044   14,553    3,270   74,571   58,588   78,885   76,411    3,470    5,944

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -5,541)
       0      737     -438   -4,903   -5,012   -5,341   -4,713     -200     -828

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     1.3     17.7      4.0     90.5     71.1     95.8     92.8      4.2      7.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       1        4        2       18       16       21       20
 
 
PG&E CITYGATE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE              Code-02365F
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       63,556
COMMITMENTS
   7,939   10,336    2,110   48,935   44,772   58,984   57,218    4,572    6,338

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -4,935)
   1,080      154   -1,155   -2,768   -3,475   -2,843   -4,476   -2,092     -459

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    12.5     16.3      3.3     77.0     70.4     92.8     90.0      7.2     10.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       2        4        3       20       21       24       26
 
 
NGPL TEXOK BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                 Code-02365G
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      101,106
COMMITMENTS
       0    7,109    2,652   88,667   83,235   91,319   92,996    9,787    8,110

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -2,437)
       0    4,162   -2,507   -3,150   -3,170   -5,657   -1,515    3,220     -922

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.0      7.0      2.6     87.7     82.3     90.3     92.0      9.7      8.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       37)
       0        1        1       30       27       31       28
 
 
SUMAS BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                      Code-02365J
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       43,399
COMMITMENTS
   3,279    4,629      432   32,872   34,352   36,583   39,413    6,816    3,986

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -3,677)
    -658   -1,694      -63   -1,326     -788   -2,047   -2,545   -1,630   -1,132

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     7.6     10.7      1.0     75.7     79.2     84.3     90.8     15.7      9.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       1        2        1       15       16       17       18
 
 
DOMINION BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                   Code-02365N
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      100,263
COMMITMENTS
   6,398        0    1,488   82,852   92,158   90,738   93,646    9,525    6,617

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -6,280)
  -1,598        0       48   -5,427   -7,036   -6,977   -6,988      697      708

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     6.4      0.0      1.5     82.6     91.9     90.5     93.4      9.5      6.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       1        0        1       26       26       27       27
 
 
WAHA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                       Code-02365O
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       79,253
COMMITMENTS
       0    5,323    6,394   65,118   61,589   71,512   73,306    7,741    5,947

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -2,159)
       0   -4,192    1,806   -6,147    1,063   -4,341   -1,323    2,182     -836

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.0      6.7      8.1     82.2     77.7     90.2     92.5      9.8      7.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
       0        3        2       27       24       29       27
 
 
CIG BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                        Code-02365P
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       59,225
COMMITMENTS
   4,119        0    2,376   40,736   47,047   47,231   49,423   11,994    9,802

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -1,458)
   4,119     -222   -1,546   -5,542   -1,091   -2,969   -2,859    1,511    1,401

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     7.0      0.0      4.0     68.8     79.4     79.7     83.4     20.3     16.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       1        0        1       15       18       16       19
 
 
ALBERTA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-035650
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      174,547
COMMITMENTS
   1,627   17,367    6,294  158,875  146,072  166,796  169,733    7,751    4,814

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -8,808)
     -90    3,074     -658   -7,478  -11,623   -8,226   -9,207     -582      399

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.9      9.9      3.6     91.0     83.7     95.6     97.2      4.4      2.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       41)
       1        3        4       36       29       40       33
 
 
CHICAGO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-035651
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       84,472
COMMITMENTS
   7,342    2,114    2,817   64,036   69,097   74,195   74,028   10,277   10,444

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:       -211)
   3,788    2,114   -1,538      -59    3,611    2,191    4,187   -2,402   -4,398

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     8.7      2.5      3.3     75.8     81.8     87.8     87.6     12.2     12.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
       2        1        1       22       21       24       23
 
 
HENRY HUB BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                  Code-035652
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       65,281
COMMITMENTS
       0    8,738        0   63,561   53,523   63,561   62,261    1,720    3,020

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:    -10,180)
  -4,422   -1,800        0   -5,297   -9,452   -9,719  -11,252     -461    1,072

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.0     13.4      0.0     97.4     82.0     97.4     95.4      2.6      4.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       0        2        0       14       15       14       17
 
 
HOUSTON SHIP CH BASIS SWAP - NEW YORK MERCANTILE EXCHANGE            Code-035653
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      266,684
COMMITMENTS
  20,329    2,394    1,519  235,029  259,705  256,877  263,618    9,807    3,066

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -3,803)
   4,651   -1,082   -1,855   -7,654     -753   -4,858   -3,690    1,055     -113

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     7.6      0.9      0.6     88.1     97.4     96.3     98.9      3.7      1.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       54)
       5        2        4       39       45       46       49
 
 
NW PIPE ROCKIES BASIS SWAP - NEW YORK MERCANTILE EXCHANGE            Code-035654
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      149,780
COMMITMENTS
  13,070    3,798    5,464  122,713  133,860  141,247  143,122    8,533    6,658

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -6,913)
     372     -956     -304   -8,656   -6,723   -8,588   -7,983    1,675    1,070

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     8.7      2.5      3.6     81.9     89.4     94.3     95.6      5.7      4.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       43)
       2        3        4       35       32       40       36
 
 
PANHANDLE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                  Code-035655
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      151,388
COMMITMENTS
   7,887    1,890    3,618  130,049  132,797  141,554  138,305    9,834   13,083

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -2,655)
  -3,633      -88    1,449     -654   -6,934   -2,838   -5,573      183    2,918

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     5.2      1.2      2.4     85.9     87.7     93.5     91.4      6.5      8.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       44)
       1        2        2       36       34       38       37
 
 
SOCAL BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                      Code-035657
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      174,006
COMMITMENTS
  14,736   34,937    9,208  144,275  121,310  168,219  165,455    5,787    8,551

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:    -14,543)
   4,230   -2,604   -3,706  -14,593   -8,132  -14,069  -14,442     -474     -101

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     8.5     20.1      5.3     82.9     69.7     96.7     95.1      3.3      4.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       46)
       6        3        6       28       33       37       39
 
 
TRANSCO ZONE 6 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE             Code-035658
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       58,030
COMMITMENTS
       0    1,744      370   52,190   45,479   52,560   47,593    5,470   10,437

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:       -244)
       0    1,744      370     -748   -1,893     -378      221      134     -465

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.0      3.0      0.6     89.9     78.4     90.6     82.0      9.4     18.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       0        1        1       19       19       20       20
 
 
HENRY HUB GAS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-03565B
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:    2,542,686
COMMITMENTS
 536,022   64,751  726,120  1264630  1739091  2526772  2529962   15,914   12,724

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:    544,898)
 149,293    8,042  184,203  211,957  352,704  545,453  544,949     -555      -51

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    21.1      2.5     28.6     49.7     68.4     99.4     99.5      0.6      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      144)
      26       16       37       98       80      137      121
 
 
HENRY HUB PENULTIMATE GAS SWAP - NEW YORK MERCANTILE EXCHANGE        Code-03565C
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      506,910
COMMITMENTS
  62,296   39,686  157,917  282,775  305,861  502,988  503,464    3,922    3,446

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     18,566)
 -20,472   -3,603   29,065   10,889   -5,915   19,482   19,547     -916     -981

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    12.3      7.8     31.2     55.8     60.3     99.2     99.3      0.8      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       59)
      13       13       20       32       31       55       54
 
 
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE               Code-064657
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(40 MEGAWATT HOURS PER PEAK DAY)                     OPEN INTEREST:       53,199
COMMITMENTS
  10,727    3,072    6,202   35,475   43,306   52,404   52,580      795      619

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -3,552)
     335     -280     -820   -2,773   -1,698   -3,258   -2,798     -294     -754

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    20.2      5.8     11.7     66.7     81.4     98.5     98.8      1.5      1.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       54)
       6        5        6       39       37       47       46
 
 
NYISO ZONE A LBMP SWAP - NEW YORK MERCANTILE EXCHANGE                Code-06465A
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS 0F 400 MEGAWATT HOURS)                    OPEN INTEREST:       24,465
COMMITMENTS
   1,240    4,148      296   22,929   19,618   24,465   24,062        0      403

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -1,276)
      88     -243     -329     -865     -682   -1,106   -1,254     -170      -22

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     5.1     17.0      1.2     93.7     80.2    100.0     98.4      0.0      1.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
       1        4        1       25       25       26       30
 
 
NYISO ZONE G LBMP SWAP - NEW YORK MERCANTILE EXCHANGE                Code-06465B
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS 0F 400 MEGAWATT HOURS)                    OPEN INTEREST:       15,132
COMMITMENTS
   3,053      598        0   11,993   14,448   15,046   15,046       86       86

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:       -959)
      87      -46     -308     -650     -605     -871     -959      -88        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    20.2      4.0      0.0     79.3     95.5     99.4     99.4      0.6      0.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       3        1        0       17       16       20       17
 
 
NYISO ZONE J LBMP SWAP - NEW YORK MERCANTILE EXCHANGE                Code-06465C
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS 0F 400 MEGAWATT HOURS)                    OPEN INTEREST:       14,105
COMMITMENTS
   1,020    2,255        0   12,598   11,672   13,618   13,927      487      178

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:       -229)
     -46     -464        0     -139       57     -185     -407      -44      178

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     7.2     16.0      0.0     89.3     82.8     96.5     98.7      3.5      1.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       1        3        0       13       11       14       14
 
 
ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE              Code-06465H
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(40 MEGAWATT HOURS PER PEAK DAY)                     OPEN INTEREST:       24,288
COMMITMENTS
   2,980    4,706      346   20,572   18,956   23,898   24,008      390      280

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:       -898)
    -100       26      -26     -742     -864     -868     -864      -30      -34

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    12.3     19.4      1.4     84.7     78.0     98.4     98.8      1.6      1.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
       2        3        3       21       21       25       25
 
 
PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE         Code-06465M
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2.5 MEGAWATTS PER OFF PEAK HRS)                     OPEN INTEREST:       27,522
COMMITMENTS
   3,320      140      440   22,119   26,544   25,879   27,124    1,643      398

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -1,048)
     -50        0     -100     -856   -1,174   -1,006   -1,274      -42      226

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    12.1      0.5      1.6     80.4     96.4     94.0     98.6      6.0      1.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
       2        1        2       24       26       27       28
 
 
ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE           Code-06465S
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(2.5 MEGAWATTS PER OFF PEAK HRS)                     OPEN INTEREST:       13,582
COMMITMENTS
     460      380    1,096   11,332   11,666   12,888   13,142      694      440

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:       -932)
     -80       16      -40     -680     -788     -800     -812     -132     -120

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     3.4      2.8      8.1     83.4     85.9     94.9     96.8      5.1      3.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       1        2        1       14       14       16       16
 
 
CRUDE OIL, LIGHT SWEET - NEW YORK MERCANTILE EXCHANGE                Code-067651
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:    1,044,132
COMMITMENTS
 179,813  135,933  224,183  575,586  612,987  979,582  973,103   64,550   71,029

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     25,841)
   4,192    8,769    2,660   19,449   13,961   26,301   25,390     -460      451

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    17.2     13.0     21.5     55.1     58.7     93.8     93.2      6.2      6.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      298)
      91       91      115       84       91      249      238
 
 
E-MINY CRUDE OIL, LIGHT SWEET - NEW YORK MERCANTILE EXCHANGE         Code-067655
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 500 BARRELS)                           OPEN INTEREST:       20,111
COMMITMENTS
  11,771   11,119        0        0    1,032   11,771   12,151    8,340    7,960

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:      2,495)
   3,154    1,526       -4        0    1,032    3,150    2,554     -655      -59

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    58.5     55.3      0.0      0.0      5.1     58.5     60.4     41.5     39.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
      15       10        0        0        1       15       11
 
 
PALLADIUM - NEW YORK MERCANTILE EXCHANGE                             Code-075651
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:       15,514
COMMITMENTS
   9,018    2,300      970    2,601   11,682   12,589   14,952    2,925      562

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -3,812)
    -955     -316     -186   -2,355   -3,166   -3,496   -3,668     -316     -144

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    58.1     14.8      6.3     16.8     75.3     81.1     96.4     18.9      3.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      104)
      60        6        8       18       26       84       37
 
 
PLATINUM - NEW YORK MERCANTILE EXCHANGE                              Code-076651
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 50 TROY OUNCES)                        OPEN INTEREST:        8,905
COMMITMENTS
   4,079    2,198       72    2,181    5,491    6,332    7,761    2,573    1,144

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:       -711)
    -666      320     -187      202     -976     -651     -843      -60      132

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    45.8     24.7      0.8     24.5     61.7     71.1     87.2     28.9     12.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       55)
      23        5        1       12       19       36       25
 
 
UNLEADED GASOLINE, N.Y. HARBOR - NEW YORK MERCANTILE EXCHANGE        Code-111652
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 U.S. GALLONS)                   OPEN INTEREST:       92,074
COMMITMENTS
  22,570    7,206    5,531   48,615   70,029   76,716   82,766   15,358    9,308

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -3,724)
   2,598      613      591   -7,465   -4,895   -4,276   -3,691      552      -33

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    24.5      7.8      6.0     52.8     76.1     83.3     89.9     16.7     10.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      128)
      44       18       21       41       57       99       83
 
 
GASOLINE BLENDSTOCK (RBOB) - NEW YORK MERCANTILE EXCHANGE            Code-111659
FUTURES ONLY POSITIONS AS OF 06/06/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 U.S. GALLONS)                   OPEN INTEREST:       46,007
COMMITMENTS
   7,657      226    3,091   32,404   39,969   43,152   43,286    2,855    2,721

CHANGES FROM 05/30/06 (CHANGE IN OPEN INTEREST:     -2,971)
     721      226       17   -3,467   -3,359   -2,729   -3,116     -242      145

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    16.6      0.5      6.7     70.4     86.9     93.8     94.1      6.2      5.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       51)
       7        4        6       27       33       37       40
 

Updated June 9, 2006