| Originating department: | Risk Management |
| Company Circular No: | LCH.Clearnet Ltd Circular No 2079 |
| Service Circular No: | LCH EnClear 148 |
| Date: | 13 October 2006 |
| To: | All LCH EnClear Clearing Members |
Margin Rate Changes for EnClear Contracts
LCH.Clearnet Ltd has revised the London SPAN parameters as marked in bold and italic on the attached document. This circular supersedes circular LCH.Clearnet/ 2072; LCH EnClear / 145 dated 27 September 2006.
Changes have been made to ICE contracts. Changes will take place with effect from close of business Thursday 19 October 2006 and will be reflected in margin calls made on Friday 20 October 2006.
Details of the current London SPAN Parameters, for all contracts, can be found on the LCH.Clearnet Ltd website (www.lchclearnet.com) by selecting ‘Limited’. Details can then be found under the ‘Risk & Margining’ section.
Members seeking further information please contact:
| LCH.Clearnet Ltd | Risk Operations | 020 7426 7520 |
Chris Jones
Director and Head of Risk Management






