MiFID Securities

Allocation of SEDOL codes to the MiFID eligible instruments commenced on the evening of 9^th October 2007. SEDOL codes will be allocated in batches of approximately 900 instruments per evening.

Details of the securities which will have a new London SEDOL code allocated, can be found in the attached spreadsheet (MiFID instruments - XLON SEDOL required).

27/09/2007

In conjunction with the MiFID eligible stocks being added to TradElect in the new EQS and ITR segments, we will be allocating London SEDOL codes to these instruments together with the existing ISIN. These will be securities that are not currently on TradElect, and therefore do not currently have a London SEDOL line. There are approximately 6,000 securities that fall into this category.

The new London SEDOL codes will be allocated and disseminated as normal via the Exchange’s SEDOL Data Download service. SEDOL allocation will occur prior to 25 October at which point they will be added to TradElect. London SEDOLs will continue to be assigned as and when securities are added to the EQS and ITR segments, on an ongoing basis.

In addition to the SEDOL Data Download service, our Datasync product will provide a daily snapshot of our TradElect reference data, including SEDOL codes and market segments.

Please contact the SEDOL Product Manager on +44 (0)207 797 3278 if you would like to know more about our SEDOL Data Download or Datasync products, or have any questions regarding MiFID SEDOL allocation.

MIFID instruments - XLON SEDOL required