| Originating department: | Risk Management |
| Company Circular No: | LCH.Clearnet Ltd Circular No. 2137 |
| Service Circular No: | LIFFE No. 618 |
| Date: | 12 April 2007 |
| To: | All LIFFE Clearing Members |
LCH.Clearnet Ltd has, after consultation with LIFFE, revised the London SPAN parameters as marked in bold and italic on the attached document. These changes will be made effective from the close of business on Monday 16th April 2007 and will be reflected in margin calls on Tuesday 17th April 2007.
Amendments have been made due to the introduction of twelve new Portuguese Equity Futures contracts on Bclear.
This circular supersedes circular number LCH.Clearnet Ltd/ 2135 : LIFFE/ 617 dated 29th March 2007.
Details of the current London SPAN Parameters, for all LIFFE contracts, can be found on the LCH.Clearnet website (www.lchclearnet.com) under Risk Management > Ltd > Margin rate circulars > LIFFE. Alternatively using TRS select menu option #3 and input $MARGIN.
Members seeking further information in relation to this Circular should contact one of the following:
| LCH.Clearnet Ltd | Risk Operations | 020 7426 7520 |
| LIFFE | Market Operations | 020 7379 2824 |
Andrew White
Director, Risk Policy