WHEAT - CHICAGO BOARD OF TRADE                                       Code-001602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:      534,649
COMMITMENTS
  87,707   54,653  176,214  234,849  247,532  498,770  478,400   35,879   56,249

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:     -8,871)
    -873   -1,661   -2,021   -7,231   -3,861  -10,124   -7,543    1,254   -1,328

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.4     10.2     33.0     43.9     46.3     93.3     89.5      6.7     10.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      366)
      95      125      153       89      127      287      316
 
 
CORN - CHICAGO BOARD OF TRADE                                        Code-002602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:    2,144,353
COMMITMENTS
 293,236   81,691  692,298  945,897  1089170  1931430  1863159  212,922  281,194

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:     74,517)
   1,104      355   51,719   -5,678    3,675   47,145   55,749   27,373   18,768

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.7      3.8     32.3     44.1     50.8     90.1     86.9      9.9     13.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      823)
     241      133      272      313      385      671      701
 
 
OATS - CHICAGO BOARD OF TRADE                                        Code-004603
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:       15,511
COMMITMENTS
   1,894      426    1,768    8,248   11,786   11,910   13,980    3,601    1,531

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:         32)
     -17   -1,554      -55     -220    1,087     -292     -522      323      554

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.2      2.7     11.4     53.2     76.0     76.8     90.1     23.2      9.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       43)
      16        4        9       18       13       37       24
 
 
SOYBEANS - CHICAGO BOARD OF TRADE                                    Code-005602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:      770,413
COMMITMENTS
 126,307   40,295  278,529  301,372  351,197  706,209  670,021   64,205  100,392

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:    -18,828)
  -9,860    3,543   -3,591  -26,610  -42,611  -40,061  -42,659   21,233   23,831

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.4      5.2     36.2     39.1     45.6     91.7     87.0      8.3     13.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      538)
     174      117      203      140      214      409      460
 
 
MINI SOYBEANS - CHICAGO BOARD OF TRADE                               Code-005603
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(THOUSAND BUSHELS)                                   OPEN INTEREST:       24,085
COMMITMENTS
  20,248    2,836    1,102        3    4,471   21,353    8,409    2,732   15,676

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:        768)
   1,492      458     -201        0      166    1,291      423     -523      345

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    84.1     11.8      4.6      0.0     18.6     88.7     34.9     11.3     65.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       39)
      19        8       12        1       12       23       29
 
 
SOYBEAN OIL - CHICAGO BOARD OF TRADE                                 Code-007601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 60,000 POUNDS)                         OPEN INTEREST:      376,178
COMMITMENTS
  33,352   21,496  120,098  192,477  214,918  345,926  356,512   30,251   19,666

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:     20,977)
   2,020   -2,586   15,445   -2,154     -447   15,312   12,413    5,666    8,565

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.9      5.7     31.9     51.2     57.1     92.0     94.8      8.0      5.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      186)
      55       41       64       65       64      161      140
 
 
U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE                         Code-020601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    1,071,901
COMMITMENTS
 151,582  146,186   93,322  695,619  648,824  940,523  888,333  131,378  183,569

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:    -37,800)
 -43,252  -13,887     -914    8,030  -13,454  -36,136  -28,254   -1,665   -9,546

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    14.1     13.6      8.7     64.9     60.5     87.7     82.9     12.3     17.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      197)
      39       47       57       87       95      158      167
 
 
SOYBEAN MEAL - CHICAGO BOARD OF TRADE                                Code-026603
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TONS)                              OPEN INTEREST:      258,298
COMMITMENTS
  42,894   11,513   46,715  133,086  179,777  222,695  238,006   35,603   20,292

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:      4,850)
   4,899   -3,848    2,098   -9,863   -1,390   -2,867   -3,140    7,717    7,991

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.6      4.5     18.1     51.5     69.6     86.2     92.1     13.8      7.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      174)
      52       29       47       73       68      152      124
 
 
ROUGH RICE - CHICAGO BOARD OF TRADE                                  Code-039601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 200,000 POUNDS)                        OPEN INTEREST:       22,228
COMMITMENTS
   6,995      393    1,834    8,814   18,660   17,643   20,888    4,585    1,340

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:        858)
    -489      -54      285      501      473      296      704      561      154

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    31.5      1.8      8.3     39.7     83.9     79.4     94.0     20.6      6.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       80)
      35        6       16       29       24       67       43
 
 
2-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-042601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $200,000 FACE VALUE)                   OPEN INTEREST:    1,147,933
COMMITMENTS
 270,885  227,655   21,265  738,069  784,812  1030219  1033732  117,714  114,201

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:    -15,514)
 -28,251   -4,062    2,519   14,071   -9,430  -11,660  -10,973   -3,854   -4,541

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    23.6     19.8      1.9     64.3     68.4     89.7     90.1     10.3      9.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      214)
      42       43       28       95       88      151      145
 
 
10-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                 Code-043602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    2,844,830
COMMITMENTS
 273,328  330,399  418,958  1834378  1687961  2526664  2437318  318,166  407,512

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:    -27,093)
   6,370   14,129  -22,422  -16,174  -34,863  -32,226  -43,156    5,133   16,063

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.6     11.6     14.7     64.5     59.3     88.8     85.7     11.2     14.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      286)
      51       76       71      121      142      212      249
 
 
5-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-044601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    2,039,615
COMMITMENTS
 537,374  255,408  133,785  1133317  1397121  1804477  1786313  235,139  253,302

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:    -29,025)
 -27,591    2,388      130    6,003  -30,525  -21,458  -28,007   -7,567   -1,019

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    26.3     12.5      6.6     55.6     68.5     88.5     87.6     11.5     12.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      199)
      44       46       39       86       84      147      153
 
 
30-DAY FEDERAL FUNDS - CHICAGO BOARD OF TRADE                        Code-045601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $5,000,000)                            OPEN INTEREST:      414,297
COMMITMENTS
  63,804   38,612   87,942  232,706  256,047  384,452  382,601   29,845   31,697

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:    -15,009)
  -1,580   15,293  -17,278    3,838   -9,645  -15,020  -11,630       11   -3,378

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    15.4      9.3     21.2     56.2     61.8     92.8     92.3      7.2      7.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      109)
      24       21       34       53       52       91       96
 
 
DOW JONES INDUSTRIAL AVERAGE - CHICAGO BOARD OF TRADE                Code-124601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($10 X DJIA INDEX)                                   OPEN INTEREST:       28,990
COMMITMENTS
  16,044    9,609      537    7,880   13,171   24,460   23,316    4,530    5,674

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:      3,885)
   1,936    1,489      130    1,187    1,186    3,253    2,804      633    1,081

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    55.3     33.1      1.9     27.2     45.4     84.4     80.4     15.6     19.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       46)
      14       14        7       10       10       29       26
 
 
DOW JONES INDUSTRIAL AVG- x $5 - CHICAGO BOARD OF TRADE              Code-124603
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($5 X DJIA INDEX)                                    OPEN INTEREST:       83,940
COMMITMENTS
  34,280   22,626    2,188   34,048   43,442   70,516   68,256   13,424   15,685

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:     11,887)
   9,232    4,879      360      272    4,353    9,864    9,591    2,024    2,296

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    40.8     27.0      2.6     40.6     51.8     84.0     81.3     16.0     18.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      100)
      35       32       12       20       22       60       61
 
 
INTEREST RATE SWAPS 10YR - 3MO - CHICAGO BOARD OF TRADE              Code-246602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:       50,675
COMMITMENTS
   5,488    4,389    1,269   43,687   44,993   50,444   50,651      231       24

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:        262)
    -189     -205        0      477      526      288      321      -26      -59

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.8      8.7      2.5     86.2     88.8     99.5    100.0      0.5      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       48)
      10       15        3       19       11       30       28
 
 
INTEREST RATE SWAPS 5YR - 3MO - CHICAGO BOARD OF TRADE               Code-247602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/01/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:       17,918
COMMITMENTS
   2,146    1,207      564   15,140   16,075   17,850   17,846       68       72

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:       -259)
     202   -2,208        6     -447    1,935     -239     -267      -20        8

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.0      6.7      3.1     84.5     89.7     99.6     99.6      0.4      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
       9        8        3        9        9       20       18
 

Updated April 4, 2008