Nadex Adds Strikes on a Discretionary Basis on Trade Date May 4, 2012

Pursuant to Section 5c(c)(1) of the Commodity Exchange Act, Commission Regulation §40.6(d), and by the authority granted by Nadex Rules in 12.63, and 12.65 Nadex added additional strike levels on a discretionary basis in its Daily US Tech 100 and Wall St 30 Binary Contracts for trade date May 4, 2012 due to volatility in the underlying markets on that day. Nadex plans to return to the regular listing schedule for these contracts on May 7, 2012.