| Originating department: | Risk Management |
| Company Circular No: | LCH.Clearnet Ltd Circular No. 2224 |
| Service Circular No: | LIFFE No. 642 |
| Date: | 04 December 2007 |
| To: | All LIFFE Clearing Members |
LIFFE Margin Rate Changes
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 Wednesday 05 December 2007 and will be reflected in margin calls on Thursday 06 December 2007.
Amendments have been made due to the introduction of Eastern European equities and Russian Depositary Receipts.
This circular supersedes circular number LCH.Clearnet Ltd/ 2223 : LIFFE/ 641 dated 29 November 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
Christopher Jones
Director and Head of Risk Management