Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
CENTRAL APPALACHIAN COAL - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 1,550 TONS)                            :
CFTC Code #024651                                                    Open Interest is     7,750                :
: Positions                                                                                                    :
:    5,150     5,740         0       900         0       770         0       120     1,150       390       245 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:      315       525         0        45       -15        90         0         0         0        40       -55 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     66.5      74.1       0.0      11.6       0.0       9.9       0.0       1.5      14.8       5.0       3.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       11        11         0         .         0         .         0         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
COAL (API 2) CIF ARA SWAP FUT - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 1,000 METRIC TONS)                :
CFTC Code #024656                                                    Open Interest is    36,762                :
: Positions                                                                                                    :
:   12,956    12,305     1,205       942     2,576       466     3,560     2,345     7,815     6,135     8,699 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:     -132      -909        80      -777       434      -145     1,050      -405      -166       553       504 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     35.2      33.5       3.3       2.6       7.0       1.3       9.7       6.4      21.3      16.7      23.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    45                     :
:       12        13         .         .         .         .         .         4        10        14        19 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
COAL (API 4) FOB  RICH BAY FUT - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 1,000 METRIC TONS)               :
CFTC Code #024658                                                    Open Interest is    14,172                :
: Positions                                                                                                    :
:    4,335     4,725       175       305       225     2,335       130       370     4,115     5,765     2,027 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:     -700      -940       -95       -55       -25       215      -235      -285      -263       322        43 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     30.6      33.3       1.2       2.2       1.6      16.5       0.9       2.6      29.0      40.7      14.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    30                     :
:        8         7         .         .         .         .         .         .         4        13        13 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                      :
CFTC Code #064657                                                    Open Interest is   102,568                :
: Positions                                                                                                    :
:   60,259    38,492       382    25,990    22,586       864     1,816     7,537     4,155         0     3,425 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:   -4,752    -3,196         0       -54      -417      -171       -19      -314     2,024         0     3,156 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     58.7      37.5       0.4      25.3      22.0       0.8       1.8       7.3       4.1       0.0       3.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    40                     :
:       23        24         .         5         6         .         .         .         5         0         4 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                     :
CFTC Code #06465H                                                    Open Interest is    16,870                :
: Positions                                                                                                    :
:    8,859     9,315       385     1,700     2,693     2,165         0     1,120         0       860       340 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:     -374    -1,109         5      -210       -20      -233         0         0         0       718       240 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     52.5      55.2       2.3      10.1      16.0      12.8       0.0       6.6       0.0       5.1       2.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       12         8         .         .         4         .         0         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
AEP DAYTON CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                :
CFTC Code #06465K                                                    Open Interest is    12,090                :
: Positions                                                                                                    :
:    6,210     8,192     1,808         0     1,108       480       440       340       796       607       658 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:      476      -597      -240         0       240       120         0         0         0       607         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     51.4      67.8      15.0       0.0       9.2       4.0       3.6       2.8       6.6       5.0       5.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       14        14         .         0         .         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MEGAWATTS PER OFF PEAK HRS)                :
CFTC Code #06465M                                                    Open Interest is    16,934                :
: Positions                                                                                                    :
:   10,864    10,448     1,586       550     1,646        72       540       790       330     1,939         0 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:     -100    -1,919       120         0      -120         0         0         0         0     1,939         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     64.2      61.7       9.4       3.2       9.7       0.4       3.2       4.7       1.9      11.5       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    32                     :
:       20        19         4         .         4         .         .         .         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                     :
CFTC Code #064A34                                                    Open Interest is    48,556                :
: Positions                                                                                                    :
:   43,316    41,045     3,031     5,492     1,999         0         0         0       210         0         0 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:       84        84         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     89.2      84.5       6.2      11.3       4.1       0.0       0.0       0.0       0.4       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    30                     :
:       16        15         .         .         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                  :
CFTC Code #064A35                                                    Open Interest is   808,358                :
: Positions                                                                                                    :
:  711,241   698,951    53,836    66,126    43,281         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     88.0      86.5       6.7       8.2       5.4       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       17        14         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                   :
CFTC Code #064A56                                                    Open Interest is    61,233                :
: Positions                                                                                                    :
:   38,894    58,603    17,735       170     2,375         0         0         0     1,974         0         0 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:     -892       638       510         0         0         0         0         0     1,020         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     63.5      95.7      29.0       0.3       3.9       0.0       0.0       0.0       3.2       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    34                     :
:       12        23         4         .         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 MEGAWATT HOURS)                :
CFTC Code #064A57                                                    Open Interest is   827,542                :
: Positions                                                                                                    :
:  607,397   736,503   177,015    66,489    24,550         0         0         0    18,580         0         0 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:  -16,210    11,730         0    -9,360     9,360         0         0         0    18,580         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.4      89.0      21.4       8.0       3.0       0.0       0.0       0.0       2.2       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    33                     :
:       14        19         .         .         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                   :
CFTC Code #064A58                                                    Open Interest is    55,263                :
: Positions                                                                                                    :
:   35,842    37,994     8,383    12,265     3,568     6,470       735       320       425       381         0 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:     -321      -426         0         0         0      -105         0       105         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     64.9      68.8      15.2      22.2       6.5      11.7       1.3       0.6       0.8       0.7       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    33                     :
:       17        13         4         .         .         .         .         .         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN OFF PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                :
CFTC Code #064A59                                                    Open Interest is 1,220,115                :
: Positions                                                                                                    :
:  991,600   618,859   120,269   279,702    58,653         0   156,120         0    25,156    82,344    24,437 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:  -18,656  -101,000         0         0         0         0         0         0         0    82,344    18,656 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     81.3      50.7       9.9      22.9       4.8       0.0      12.8       0.0       2.1       6.7       2.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       17        15         .         4         .         0         .         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG INT HUB PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                :
CFTC Code #064A60                                                    Open Interest is    32,895                :
: Positions                                                                                                    :
:   21,673    25,667     9,824     3,605         0         0     2,162         0     1,165     1,228         0 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:   -1,057       108         0         0         0         0         0         0     1,165         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     65.9      78.0      29.9      11.0       0.0       0.0       6.6       0.0       3.5       3.7       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       11         8         .         .         0         0         .         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                 :
CFTC Code #064A63                                                    Open Interest is    33,080                :
: Positions                                                                                                    :
:   21,847    25,680    11,153     1,165        80         0     6,155         0         0         0         0 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     66.0      77.6      33.7       3.5       0.2       0.0      18.6       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       11        12         .         .         .         0         .         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM AEP DAY HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)               :
CFTC Code #064A64                                                    Open Interest is    20,672                :
: Positions                                                                                                    :
:   12,712    12,314         0     3,628     1,280     1,270         0     1,385     1,960         0     2,065 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:      215       105         0       215         0       105         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     61.5      59.6       0.0      17.6       6.2       6.1       0.0       6.7       9.5       0.0      10.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:        8        11         0         4         .         .         0         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE A 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                  :
CFTC Code #064A66                                                    Open Interest is    16,495                :
: Positions                                                                                                    :
:   12,386    11,326       923       366     1,232        60         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:    1,275      -255         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     75.1      68.7       5.6       2.2       7.5       0.4       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       14        12         .         .         .         .         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE G 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                  :
CFTC Code #064A68                                                    Open Interest is    26,818                :
: Positions                                                                                                    :
:   20,881    17,768       976     5,006     2,517         0        60         0     2,211     1,467         0 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:    1,616     1,529      -732     1,566       732         0         0         0     2,211         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     77.9      66.3       3.6      18.7       9.4       0.0       0.2       0.0       8.2       5.5       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:       14         9         .         5         .         0         .         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE J 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                  :
CFTC Code #064A69                                                    Open Interest is    18,039                :
: Positions                                                                                                    :
:   10,873    14,959     6,065     1,420       768         0         0         0        60       470        40 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:        .         .         .         .         .         .         .         .         .         .         . :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     60.3      82.9      33.6       7.9       4.3       0.0       0.0       0.0       0.3       2.6       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       10         9         .         .         .         0         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG HUB OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                 :
CFTC Code #064A78                                                    Open Interest is   518,467                :
: Positions                                                                                                    :
:  345,376   407,032   149,107    64,320         0       504         0    23,480         0    23,635         0 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:        0   -14,040         0         0         0         0         0         0         0    14,040         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     66.6      78.5      28.8      12.4       0.0       0.1       0.0       4.5       0.0       4.6       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       12         9         .         .         0         .         0         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL HUB 5 OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                 :
CFTC Code #064A79                                                    Open Interest is   933,659                :
: Positions                                                                                                    :
:  722,112   631,969   126,417    93,600    61,810         0    99,640    23,320         0    23,320         0 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:   74,437   -19,083   -70,200         0    10,186         0         0         0         0    23,320         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     77.3      67.7      13.5      10.0       6.6       0.0      10.7       2.5       0.0       2.5       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       14        17         .         .         .         0         .         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM AEP DAYTON OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                  :
CFTC Code #064A80                                                    Open Interest is   561,698                :
: Positions                                                                                                    :
:  228,937   371,722   115,072         0    57,176   134,845         0         0     2,254   109,386    23,414 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:    2,849     2,849         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     40.8      66.2      20.5       0.0      10.2      24.0       0.0       0.0       0.4      19.5       4.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:       10        12         5         0         .         .         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE G5 MW OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                :
CFTC Code #064A84                                                    Open Interest is   254,350                :
: Positions                                                                                                    :
:  188,754   139,558    53,491    73,872     3,529         0     1,760         0     8,576    35,631         0 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:   24,184     9,408         0    -4,880     3,529         0         0         0     8,576    28,232         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     74.2      54.9      21.0      29.0       1.4       0.0       0.7       0.0       3.4      14.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:       14        10         .         .         .         0         .         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of February 26, 2013          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM ELEC OPT ON CALENDAR STRIP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)               :
CFTC Code #064B47                                                    Open Interest is     4,511                :
: Positions                                                                                                    :
:    1,352     3,541     2,170         0       735        84         0        33         0        71       121 :
:                                                                                                              :
: Changes from:     February 19, 2013                                                                          :
:      -49      -144       -54         0        24        -9         0         3         0        25       102 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     30.0      78.5      48.1       0.0      16.3       1.9       0.0       0.7       0.0       1.6       2.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       12        13         5         0         5         .         0         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
 

Updated March 1, 2013