```
 
 
WHEAT - CHICAGO BOARD OF TRADE                                       Code-001602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:      628,819
COMMITMENTS
  98,727   72,700  171,420  315,219  326,270  585,366  570,390   43,453   58,429

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:     -4,642)
   3,343    4,180     -572   -4,494   -3,106   -1,722      503   -2,920   -5,145

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    15.7     11.6     27.3     50.1     51.9     93.1     90.7      6.9      9.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      467)
     160      134      206      109      141      376      396
 
 
CORN - CHICAGO BOARD OF TRADE                                        Code-002602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:    2,481,319
COMMITMENTS
 494,544   93,210  852,234  904,354  1234862  2251132  2180306  230,187  301,013

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:     -6,196)
  18,197    1,224    1,136  -34,154     -807  -14,821    1,554    8,625   -7,750

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    19.9      3.8     34.3     36.4     49.8     90.7     87.9      9.3     12.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      964)
     304      150      344      311      442      765      826
 
 
OATS - CHICAGO BOARD OF TRADE                                        Code-004603
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:       15,444
COMMITMENTS
   3,227      144    1,172    7,683   12,878   12,082   14,194    3,362    1,251

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:       -154)
     217       22      -78     -462      -28     -323      -84      170      -70

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.9      0.9      7.6     49.7     83.4     78.2     91.9     21.8      8.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       44)
      18        4        6       21       14       41       22
 
 
SOYBEANS - CHICAGO BOARD OF TRADE                                    Code-005602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:      912,002
COMMITMENTS
 144,186   51,056  335,400  367,221  430,622  846,807  817,078   65,195   94,923

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:     -7,877)
  -6,766    5,531    2,262     -653  -11,967   -5,157   -4,174   -2,719   -3,703

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    15.8      5.6     36.8     40.3     47.2     92.9     89.6      7.1     10.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      604)
     205      141      265      154      210      500      514
 
 
MINI SOYBEANS - CHICAGO BOARD OF TRADE                               Code-005603
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 1,000 Bushels)                         OPEN INTEREST:       24,450
COMMITMENTS
  21,005    1,998      209        8    5,666   21,222    7,873    3,228   16,577

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:       -952)
  -1,025       16     -202       -9     -135   -1,236     -321      284     -631

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    85.9      8.2      0.9      0.0     23.2     86.8     32.2     13.2     67.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
      14        5        7        2       16       17       27
 
 
SOYBEAN CSO - CHICAGO BOARD OF TRADE                                 Code-005606
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:       12,017
COMMITMENTS
   1,061    9,183    2,139    8,038      383   11,238   11,705      779      313

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:        -82)
     149     -711      637   -1,019       -9     -232      -83      150        1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.8     76.4     17.8     66.9      3.2     93.5     97.4      6.5      2.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
      10        6        8       13        7       28       16
 
 
SOYBEAN OIL - CHICAGO BOARD OF TRADE                                 Code-007601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 60,000 POUNDS)                         OPEN INTEREST:      442,448
COMMITMENTS
 101,097   35,702  100,527  198,849  278,914  400,472  415,143   41,975   27,305

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:    -18,074)
   3,977   -1,428   -9,939   -9,424   -2,788  -15,385  -14,154   -2,689   -3,920

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.8      8.1     22.7     44.9     63.0     90.5     93.8      9.5      6.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      280)
     105       68      109       70       75      240      207
 
 
U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE                         Code-020601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:      632,978
COMMITMENTS
  54,785  102,644   39,794  397,761  322,972  492,341  465,410  140,638  167,568

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:      2,745)
  20,416   -7,241     -578    2,581   19,238   22,419   11,418  -19,675   -8,674

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.7     16.2      6.3     62.8     51.0     77.8     73.5     22.2     26.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      157)
      27       38       39       71       70      121      124
 
 
LONG-TERM U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE               Code-020604
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:      325,362
COMMITMENTS
  42,403   58,645    1,629  220,095  224,306  264,127  284,580   61,235   40,783

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:     -1,938)
  -2,057    1,529      355    6,068   -3,848    4,366   -1,964   -6,305       26

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.0     18.0      0.5     67.6     68.9     81.2     87.5     18.8     12.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       64)
       5       10        3       35       32       41       44
 
 
CBT ETHANOL - CHICAGO BOARD OF TRADE                                 Code-025601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 29,000 U.S. GALLONS)                   OPEN INTEREST:        7,527
COMMITMENTS
     923      334      686    5,586    6,210    7,195    7,230      332      297

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:        -63)
     345       59     -273      -87      211      -15       -3      -48      -60

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.3      4.4      9.1     74.2     82.5     95.6     96.1      4.4      3.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       37)
       9        3        8       21       22       33       30
 
 
SOYBEAN MEAL - CHICAGO BOARD OF TRADE                                Code-026603
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TONS)                              OPEN INTEREST:      270,799
COMMITMENTS
  44,702   35,812   54,601  129,255  149,924  228,559  240,338   42,240   30,461

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:     10,876)
  -1,815    2,265    4,878    8,257    1,889   11,320    9,033     -445    1,843

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.5     13.2     20.2     47.7     55.4     84.4     88.8     15.6     11.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      212)
      59       44       76       77       71      181      167
 
 
ROUGH RICE - CHICAGO BOARD OF TRADE                                  Code-039601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 200,000 POUNDS)                        OPEN INTEREST:       25,977
COMMITMENTS
   7,243    3,463    2,451    9,129   18,287   18,822   24,200    7,154    1,776

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:       -379)
    -154     -362      -50     -136      164     -340     -248      -39     -131

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    27.9     13.3      9.4     35.1     70.4     72.5     93.2     27.5      6.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      110)
      53       18       21       29       22       93       55
 
 
2-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-042601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $200,000 FACE VALUE)                   OPEN INTEREST:    1,101,399
COMMITMENTS
 306,558  161,376   47,998  647,178  728,065  1001734  937,439   99,665  163,960

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:     -1,955)
  52,247  -11,631  -12,136  -54,748   23,086  -14,637     -681   12,682   -1,274

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    27.8     14.7      4.4     58.8     66.1     91.0     85.1      9.0     14.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      272)
      50       57       36      103      133      172      207
 
 
10-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                 Code-043602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    1,999,926
COMMITMENTS
 188,111  214,055  230,078  1319783  1174363  1737972  1618496  261,954  381,430

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:    -22,956)
 -10,302  -64,598   18,817      134   62,941    8,649   17,161  -31,605  -40,117

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.4     10.7     11.5     66.0     58.7     86.9     80.9     13.1     19.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      287)
      40       72       77      144      159      233      259
 
 
5-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-044601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    1,485,625
COMMITMENTS
 303,580  113,801  105,783  879,232  978,147  1288595  1197732  197,030  287,893

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:     31,246)
  18,523   -8,427    5,947   10,266   46,956   34,735   44,477   -3,489  -13,230

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.4      7.7      7.1     59.2     65.8     86.7     80.6     13.3     19.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      212)
      39       33       34      107      115      156      172
 
 
30-DAY FEDERAL FUNDS - CHICAGO BOARD OF TRADE                        Code-045601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $5,000,000)                            OPEN INTEREST:      998,691
COMMITMENTS
 102,410   63,098  340,510  515,678  538,640  958,598  942,249   40,094   56,443

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:     14,853)
   6,509    4,304    5,532   18,868   18,980   30,909   28,816  -16,056  -13,963

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.3      6.3     34.1     51.6     53.9     96.0     94.3      4.0      5.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      144)
      33       30       46       65       70      119      130
 
 
DJIA Consolidated - CHICAGO BOARD OF TRADE                           Code-12460+
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($10 X DJIA INDEX)                                   OPEN INTEREST:       54,502
COMMITMENTS
  20,235    4,538      781   26,206   41,169   47,221   46,488    7,280    8,014

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:     -6,309)
  -5,621      169     -194     -752   -6,662   -6,567   -6,686      258      377

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    37.1      8.3      1.4     48.1     75.5     86.6     85.3     13.4     14.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      100)
      38       10        7       32       31       71       47
 
 
DOW JONES INDUSTRIAL AVG- x $5 - CHICAGO BOARD OF TRADE              Code-124603
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($5 X DJIA INDEX)                                    OPEN INTEREST:      109,004
COMMITMENTS
  40,470    9,076    1,561   52,412   82,338   94,443   92,975   14,561   16,028

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:    -12,618)
 -11,241      339     -388   -1,505  -13,323  -13,134  -13,373      516      755

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    37.1      8.3      1.4     48.1     75.5     86.6     85.3     13.4     14.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      100)
      38       10        7       32       31       71       47
 
 
DOW JONES UBS EXCESS RETURN - CHICAGO BOARD OF TRADE                 Code-221602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($100 X INDEX)                                       OPEN INTEREST:        8,543
COMMITMENTS
   4,693    2,006       37    1,684    5,580    6,414    7,623    2,129      920

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:        119)
     137      337        0      -20     -218      117      119        2        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    54.9     23.5      0.4     19.7     65.3     75.1     89.2     24.9     10.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
      12        5        1        1        4       13       10
 
 
INTEREST RATE SWAPS 10YR - CHICAGO BOARD OF TRADE                    Code-246602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:       11,067
COMMITMENTS
     652    1,221       47   10,261    9,555   10,960   10,823      107      244

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:       -162)
     170     -102       21     -348      -44     -157     -125       -5      -37

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.9     11.0      0.4     92.7     86.3     99.0     97.8      1.0      2.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       4        8        1        6       14       10       23
 
 
INTEREST RATE SWAPS 5YR - CHICAGO BOARD OF TRADE                     Code-247602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:       29,131
COMMITMENTS
   1,527      820      554   26,864   26,269   28,945   27,643      186    1,488

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:        522)
     210   -1,051      554     -307      122      457     -375       65      897

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.2      2.8      1.9     92.2     90.2     99.4     94.9      0.6      5.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       4        6        1        8       14       13       20
```

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Updated April 22, 2011