Nadex Adds Additional Strike Levels on a Discretionary Basis on Trade Date November 21, 2013

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 12.61, Nadex added additional strike levels on a discretionary basis in its Daily US SmallCap 2000 Binary Contracts on trade date November 21, 2013. Nadex returned to its regular listing schedule for these contracts on November 22, 2013.