Business Streams

Originating Department:Risk Management
Company Circular No:LCH.Clearnet Ltd Circular No 3129
Service Circular No:LCH.Clearnet EnClear 356
Date:27 March 2012
To:All LCH.Clearnet EnClear Clearing Members

Margin Rate Changes for EnClear Contracts

  1. 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 / 3103; LCH EnClear /354 dated 29 February 2012.

  2. Changes have been made to EnClear contracts.

  3. The margin review changes will take place with effect from close of business Monday 2 April 2012 and will be reflected in margin calls made on Tuesday 3 April 2012.

  4. Details of the current London SPAN Parameters, for all EnClear contracts, can be found on the LCH.Clearnet website ( under Risk Management > Ltd > Margin rate circulars.

  5. For further information please contact the following:

Risk Operations +44 (0)20 7426 7520



Nicholas Lincoln
Director, Market Risk

EnClear Margin Rate Spreadsheet

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