| Originating department: | Risk Management |
| Company Circular No: | LCH.Clearnet Ltd Circular No 2070 |
| Service Circular No: | LCH EnClear 144 |
| Date: | 19 September 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. These changes will take place with effect from close of business Thursday 21 September 2006 and will be reflected in margin calls made on Friday 22 September 2006. This circular supersedes circular LCH.Clearnet/ 2068; LCH EnClear / 143 dated 01 September 2006.
Changes have been made to ICE contracts.
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. Alternatively, details of margin rates are available on TRS under option 3 by inputting $Margin.
Members seeking further information please contact:
| LCH.Clearnet Ltd | Risk Operations | 020 7426 7520 |
Christopher Jones
Director and Head of Risk Management






