| Originating department: | Risk Management |
| Company Circular No: | LCH.Clearnet Ltd Circular No. 2198 |
| Service Circular No: | LIFFE No. 635 |
| Date: | 17 October 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 Thursday 18 October and will be reflected in margin calls on Friday 19 October 2007.
Amendments have been made to Commondities.
This circular supersedes circular number LCH.Clearnet Ltd/ 2192 : LIFFE/ 634 dated 25 September 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