1. 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 Tuesday 16th May 2006 and will be reflected in margin calls made on Wednesday 17th May 2006. This circular supersedes circular LCH.Clearnet/ 2026; LCH EnClear / 130 dated 5 May 06.
   
   
2. The Scanning Ranges for Brent First Line Swap and WTI First Line Swap have been changed.
   
   
3. 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.
   
   
4. For further information please contact the following:
5. 
   
   

   Risk Operations

   020 7426 7520

Andrew White Director, Risk Policy

EnClear Margin Rate Spreadsheet