| Originating department: | Risk Management |
| Company Circular No: | LCH.Clearnet Ltd Circular No 2060 |
| Service Circular No: | LCH EnClear 142 |
| Date: | 07 August 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 Wednesday 9th August 2006 and will be reflected in margin calls made on Thursday 10th August 2006. This circular supersedes circular LCH.Clearnet/ 2052; LCH EnClear / 141 dated 04 July 06.
Changes have been made to EnClear contracts – Alberta, Chicago Citygate, Henry Hub Nat Gas Swap, Penultimate Henry Hub Nat Gas Swap, Malin, PG&E Citygate and SoCal .
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 |
Andrew White
Director, Risk Policy






