SPO Networks Inc (SPOI)

[TOMASH]

SSEV - SYSTEMS EVOLUTION
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February 2010 January 2010 Year-to-Date
Volume Rank % Volume Rank % Volume Rank %

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Total Share Volume 1,223,995,468

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NITE
Knight Equity Markets, L.P. 432,922,530 1 35 153,976,968 1 23 586,899,498 1 31
ETMM
E*Trade Capital Markets Llc 368,836,983 2 30 122,142,175 3 18 490,979,158 2 26
DOMS
Domestic Securities, Inc. 128,705,150 3 10 153,568,289 2 23 282,273,439 3 15
VERT
The Vertical Trading Group 113,838,145 4 9 64,346,138 5 9 178,184,283 4 9
AUTO
Automated Trading Desk 112,748,933 5 9 57,615,828 6 8 170,364,761 5 9
UBSS
UBS Securities LLC 44,461,401 6 3 10,827,395 7 1 55,288,796 7 2
HDSN
Hudson Securities, Inc. 20,376,666 7 1 788,001 8 <1 21,164,667 8 1
ABLE
Natixis Bleichroeder LLC 2,100,660 8 <1 80,244,622 4 12 82,345,282 6 4
VFIN
vFinance Investments, Inc. 5,000 9 <1 - - - 5,000 11 <1

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