GCKO -
Page of 1
  January 2009   December 2008   Year-to-Date  
  Volume  Rank  %   Volume  Rank  %   Volume  Rank  %  

Total Share Volume 185,000 

NITE
Knight Capital Americas LLC170,000  1  91      70,100  1  87      170,000  1  91 
DOMS
Domestic Securities, Inc.10,000  2  5 -      10,000  2  5 
HDSN
RODMAN & RENSHAW, LLC5,000  3  2 -      5,000  3  2 

GCKO -
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  February 2009   January 2009   Year-to-Date  
  Volume  Rank  %   Volume  Rank  %   Volume  Rank  %  

Total Share Volume 5,000 

SSGI
Seton Securities Group Inc5,000  1  99 -      5,000  3  2 


GCKO -
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  March 2009   February 2009   Year-to-Date  
  Volume  Rank  %   Volume  Rank  %   Volume  Rank  %  

Total Share Volume 10,554,342 

NITE
Knight Capital Americas LLC4,943,441  1  46 -      5,113,441  1  47 
HDSN
RODMAN & RENSHAW, LLC1,473,390  2  13 -      1,478,390  2  13 
AUTO
Automated Trading Desk1,378,279  3  13 -      1,378,279  3  12 
PUMA
Puma Capital, Llc949,637  4  8 -      949,637  4  8 
ETMM
G1 Execution Services, LLC909,600  5  8 -      909,600  5  8 
SSGI
Seton Securities Group Inc360,000  6  3      5,000  1  99      365,000  6  3 
VERT
The Vertical Trading Group315,000  7  2 -      315,000  7  2 
VFIN
vFinance Investments, Inc.144,995  8  1 -      144,995  8  1 
DOMS
Domestic Securities, Inc.45,000  9  <1 -      55,000  9  <1 
BMAS
Burt Martin Arnold Securities35,000  10  <1 -      35,000  10  <1 


GCKO -
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  April 2009   March 2009   Year-to-Date  
  Volume  Rank  %   Volume  Rank  %   Volume  Rank  %  

Total Share Volume 4,581,153 

NITE
Knight Capital Americas LLC2,247,511  1  49      4,943,441  1  46      7,360,952  1  48 
VFIN
vFinance Investments, Inc.1,760,000  2  38      144,995  8  1      1,904,995  2  12 
ETMM
G1 Execution Services, LLC225,242  3  4      909,600  5  8      1,134,842  5  7 
AUTO
Automated Trading Desk222,000  4  4      1,378,279  3  13      1,600,279  3  10 
PUMA
Puma Capital, Llc116,400  5  2      949,637  4  8      1,066,037  6  6 
VERT
The Vertical Trading Group5,000  6  <1      315,000  7  2      320,000  8  2 
DOMS
Domestic Securities, Inc.5,000  6  <1      45,000  9  <1      60,000  9  <1 


GCKO -
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  May 2009   April 2009   Year-to-Date  
  Volume  Rank  %   Volume  Rank  %   Volume  Rank  %  

Total Share Volume 19,053,401 

NITE
Knight Capital Americas LLC8,630,056  1  45      2,247,511  1  49      15,991,008  1  46 
VERT
The Vertical Trading Group7,109,400  2  37      5,000  6  <1      7,429,400  2  21 
ETMM
G1 Execution Services, LLC2,034,945  3  10      225,242  3  4      3,169,787  3  9 
AUTO
Automated Trading Desk585,037  4  3      222,000  4  4      2,185,316  5  6 
VFIN
vFinance Investments, Inc.470,000  5  2      1,760,000  2  38      2,374,995  4  6 
DOMS
Domestic Securities, Inc.90,000  6  <1      5,000  6  <1      150,000  9  <1 
MAXM
Maxim Group LLC45,000  7  <1 -      45,000  11  <1 
HDSN
RODMAN & RENSHAW, LLC44,400  8  <1 -      1,522,790  6  4 
PUMA
Puma Capital, Llc24,563  9  <1      116,400  5  2      1,090,600  7  3 
BMAS
Burt Martin Arnold Securities20,000  10  <1 -      55,000  10  <1 


GCKO -
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  June 2009   May 2009   Year-to-Date  
  Volume  Rank  %   Volume  Rank  %   Volume  Rank  %  

Total Share Volume 18,316,599 

VNDM
Vandham Securities8,278,000  1  45 -      8,278,000  3  15 
NITE
Knight Capital Americas LLC4,145,039  2  22      8,630,056  1  45      20,136,047  1  38 
VFIN
vFinance Investments, Inc.3,599,000  3  19      470,000  5  2      5,973,995  4  11 
VERT
The Vertical Trading Group1,240,000  4  6      7,109,400  2  37      8,669,400  2  16 
ETMM
G1 Execution Services, LLC777,272  5  4      2,034,945  3  10      3,947,059  5  7 
DOMS
Domestic Securities, Inc.189,288  6  1      90,000  6  <1      339,288  10  <1 
AUTO
Automated Trading Desk81,500  7  <1      585,037  4  3      2,266,816  6  4 
PUMA
Puma Capital, Llc5,000  8  <1      24,563  9  <1      1,095,600  8  2 
ABLE
NATIXIS Securities Americas L1,500  9  <1 -      1,500  13  <1 


GCKO -
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  July 2009   June 2009   Year-to-Date  
  Volume  Rank  %   Volume  Rank  %   Volume  Rank  %  

Total Share Volume 27,833,646 

NITE
Knight Capital Americas LLC14,398,972  1  51      4,145,039  2  22      34,535,019  1  42 
ETMM
G1 Execution Services, LLC7,392,668  2  26      777,272  5  4      11,339,727  2  14 
VFIN
vFinance Investments, Inc.3,134,606  3  11      3,599,000  3  19      9,108,601  4  11 
AUTO
Automated Trading Desk1,597,400  4  5      81,500  7  <1      3,864,216  6  4 
VNDM
Vandham Securities630,000  5  2      8,278,000  1  45      8,908,000  5  11 
VERT
The Vertical Trading Group450,000  6  1      1,240,000  4  6      9,119,400  3  11 
DOMS
Domestic Securities, Inc.175,000  7  <1      189,288  6  1      514,288  9  <1 
ABLE
NATIXIS Securities Americas L55,000  8  <1      1,500  9  <1      56,500  11  <1 


GCKO -
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  August 2009   July 2009   Year-to-Date  
  Volume  Rank  %   Volume  Rank  %   Volume  Rank  %  

Total Share Volume 8,901,169 

NITE
Knight Capital Americas LLC6,733,468  1  75      14,398,972  1  51      41,268,487  1  46 
ETMM
G1 Execution Services, LLC1,553,401  2  17      7,392,668  2  26      12,893,128  2  14 
AUTO
Automated Trading Desk550,000  3  6      1,597,400  4  5      4,414,216  6  4 
VFIN
vFinance Investments, Inc.59,300  4  <1      3,134,606  3  11      9,167,901  3  10 
DOMS
Domestic Securities, Inc.5,000  5  <1      175,000  7  <1      519,288  9  <1 


GCKO -
Page of 1
  September 2009   August 2009   Year-to-Date  
  Volume  Rank  %   Volume  Rank  %   Volume  Rank  %  

Total Share Volume 15,630,981 

NITE
Knight Capital Americas LLC13,229,968  1  84      6,733,468  1  75      54,498,455  1  51 
ETMM
G1 Execution Services, LLC1,559,365  2  9      1,553,401  2  17      14,452,493  2  13 
VFIN
vFinance Investments, Inc.398,648  3  2      59,300  4  <1      9,566,549  3  9 
BMAS
Burt Martin Arnold Securities200,000  4  1 -      255,000  11  <1 
AUTO
Automated Trading Desk85,000  5  <1      550,000  3  6      4,499,216  6  4 
ABLE
NATIXIS Securities Americas L75,500  6  <1 -      132,000  12  <1 
DOMS
Domestic Securities, Inc.55,000  7  <1      5,000  5  <1      574,288  9  <1 
HDSN
RODMAN & RENSHAW, LLC27,500  8  <1 -      1,550,290  7  1 


GCKO -
Page of 1
  October 2009   September 2009   Year-to-Date  
  Volume  Rank  %   Volume  Rank  %   Volume  Rank  %  

Total Share Volume 13,621,141 

NITE
Knight Capital Americas LLC9,463,232  1  69      13,229,968  1  84      63,961,687  1  53 
ETMM
G1 Execution Services, LLC3,647,909  2  26      1,559,365  2  9      18,100,402  2  15 
DOMS
Domestic Securities, Inc.235,000  3  1      55,000  7  <1      809,288  9  <1 
VFIN
vFinance Investments, Inc.225,000  4  1      398,648  3  2      9,791,549  3  8 
AUTO
Automated Trading Desk35,000  5  <1      85,000  5  <1      4,534,216  6  3 
ABLE
NATIXIS Securities Americas L10,000  6  <1      75,500  6  <1      142,000  12  <1 
HDSN
RODMAN & RENSHAW, LLC5,000  7  <1      27,500  8  <1      1,555,290  7  1 


GCKO -
Page of 1
  November 2009   October 2009   Year-to-Date  
  Volume  Rank  %   Volume  Rank  %   Volume  Rank  %  

Total Share Volume 13,150,160 

NITE
Knight Capital Americas LLC9,965,310  1  75      9,463,232  1  69      73,926,997  1  56 
ETMM
G1 Execution Services, LLC2,651,200  2  20      3,647,909  2  26      20,751,602  2  15 
VFIN
vFinance Investments, Inc.478,650  3  3      225,000  4  1      10,270,199  3  7 
JSUP
Jesup & Lamont Securities Cor50,000  4  <1 -      50,000  13  <1 
ABLE
NATIXIS Securities Americas L5,000  5  <1      10,000  6  <1      147,000  12  <1 

GCKO -
  December 2009   November 2009   Year-to-Date  
  Volume  Rank  %   Volume  Rank  %   Volume  Rank  %  

Total Share Volume 334,899,327 

FANC
Finance 500, Inc.147,177,581  1  43 -      147,177,581  2  31 
NITE
Knight Capital Americas LLC117,551,950  2  35      9,965,310  1  75      191,478,947  1  41 
ETMM
G1 Execution Services, LLC40,794,935  3  12      2,651,200  2  20      61,546,537  3  13 
VFIN
vFinance Investments, Inc.11,370,324  4  3      478,650  3  3      21,640,523  4  4 
BMAS
Burt Martin Arnold Securities4,059,151  5  1 -      4,314,151  8  <1 
AUTO
Automated Trading Desk3,460,120  6  1 -      7,994,336  7  1 
VERT
The Vertical Trading Group2,403,000  7  <1 -      11,522,400  5  2 
JSUP
Jesup & Lamont Securities Cor1,990,000  8  <1      50,000  4  <1      2,040,000  11  <1 
HDSN
RODMAN & RENSHAW, LLC1,589,500  9  <1 -      3,144,790  9  <1 
DOMS
Domestic Securities, Inc.1,285,000  10  <1 -      2,094,288  10  <1 
LAMP
Lampost Capital, L.C.1,186,266  11  <1 -      1,186,266  13  <1 
VNDM
Vandham Securities1,035,000  12  <1 -      9,943,000  6  2 
BMIC
Biltmore International Corpor389,000  13  <1 -      389,000  14  <1 
PUMA
Puma Capital, Llc235,000  14  <1 -      1,330,600  12  <1 
STXG
Stockcross Financial Services155,000  15  <1 -      155,000  17  <1 
NOBL
Noble Financial Capital Marke110,000  16  <1 -      110,000  18  <1 
ABLE
NATIXIS Securities Americas L82,500  17  <1      5,000  5  <1      229,500  16  <1 
SALI
Sterne, Agee & Leach, Inc.25,000  18  <1 -      25,000  20  <1