Nadex Adds Additional Strike Levels on a Discretionary Basis on Trade Date March 7, 2013 and Amends Open Time For Its Currency Binary Contracts

Pursuant to Section 5c(c)(1) of the Commodity Exchange Act, and Commission Regulation §40.6(d), and by the authority granted by Nadex Rules in 12.13, and 12.37, Nadex added additional strike levels on a discretionary basis in its Daily EUR/JPY and Weekly Corn Binary Contracts on trade date March 7, 2013. Nadex returned to its regular listing schedule for the Daily EUR/JPY Binary Contracts on March 8, 2013, and plans to return to its regular listing schedule for its Weekly Corn Binary Contracts on March 11, 2013.

Additionally, beginning on trade date March 11, 2013 and going forward, all Currency Daily and Weekly Binary Contracts will open at 6:00PM ET (Sunday) rather than 3:00AM ET (Monday). The close time for these contracts will remain unchanged, as will all other contract specifications. Specific trading hours times have been amended on the Forex Contract Specs page.