Nadex Adds Additional Strike Levels on a Discretionary Basis on Trade Date April 4, 2013

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 12.37, 12.39, and 12.41, Nadex added additional strike levels on a discretionary basis in its Daily EUR/JPY Binary Contracts with expiration times of 3PM, 7PM, and 11PM, in its Daily GBP/JPY Binary Contracts with expiration times of 3PM, 7PM, 11PM, 3AM, and 7AM, and in its Daily USD/JPY Binary Contracts with expiration times of 3PM, 7PM, and 11PM on trade date April 4, 2013. Nadex returned to its regular listing schedule for these Contracts on April 5, 2013.