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| Originating Department: | Risk Management |
| Company Circular No: | LCH.Clearnet Ltd Circular No. 2615 |
| Service Circular No: | NYSE Liffe No. 736 |
| Date: | 29 April 2010 |
| To: | All NYSE Liffe Clearing Members |
NYSE Liffe Margin Rate Changes
1. LCH.Clearnet Ltd has, after consultation with NYSE Liffe, revised the London SPAN parameters as marked in bold and italic on the attached document.
2. Changes have been made to Financials contracts intercommodity offsets delta ratios.
3. The changes will be going live on Tuesday 4 May 2010 and will be reflected in margin calls on Wednesday 5 May 2010.
4. This circular supersedes circular number LCH.Clearnet Ltd/ 2610 : NYSE LIFFE/ 735 dated 16 April 2010.
5. Details of the current London SPAN Parameters, for all NYSE Liffe contracts, can be found on the LCH.Clearnet website (www.lchclearnet.com) under Risk Management > Ltd > Margin rate
circulars.
Members seeking further information should contact one of the following:
| LCH.Clearnet Ltd | Risk Operations | 020 7426 7520 |
| NYSE Liffe | NYSE Liffe Clearing | 020 7379 2824 |
NYSE Liffe Margin Rate Spreadsheet