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PLATFORM CHANGES

PLATFORM 9 Jan 13 Mar 12 Jun 11 Sep 7 Oct
LSE 82% 79% 72% 68% 64%
Chi-X 11% 14% 17% 19% 22%
Turquoise 6% 5% 6% 6% 6%
BATS 1% 2% 4% 6% 7%
Nasdaq OMX 0% 0% 1% 1% 1%

Source: BATS Europe
* 5 day average