Nadex Adds Additional Strike Levels on a Discretionary Basis on Trade Date November 28, 2012 and Adjusts the Strike Width on its Intraday USD/CHF and Wall St 30 Binary Contracts

Pursuant to Section 5c(c)(1) of the Commodity Exchange Act, and Commission Regulation §40.6(d)(2)(iv), and by the authority granted by Nadex Rules in 12.5, Nadex added additional strike levels on a discretionary basis in its Daily Gold Binary Contracts for Trade Date November 28, 2012. Nadex returned to its regular listing schedule for these contracts on November 29, 2012.

Additionally, Nadex is amending the strike width on its Intraday USD/CHF Binary Contracts to 0.0020 and on its Intraday Wall St 30 Binary Contracts to 20, effective for trade date December 3, 2012.