| Margin Rates for ICE Futures U.S. Natural Gas Contracts and ICE Futures Europe Oil Contracts New York, NY (May 9, 2013) – Energy Clearing Members are advised of the SPAN®1 margin parameters for the following products: - Henry LD1 Fixed Price Swap Future (HNG)
- Argus LLS vs. Brent 1st Line Swap Future (ARI)
- Argus LLS vs. Dated Brent Swap Future (ARJ)
- Argus LLS vs. WTI 1st Line Swap Future (ARK)
- Argus LLS Swap Future (ARH)
View the SPAN® margin parameters These changes will take place from close of business on Friday, May 10, 2013 and will be reflected in margin calls made on Monday, May 13, 2013. All other SPAN® margin parameters remain unchanged. View the full notice | 
