Nadex Adds Additional Strike Levels on a Discretionary Basis on Trade Date June 20, 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 12.49, 12.51, 12.59, 12.61, 12.63, 12.65, 12.5, and 12.7, Nadex added additional strike levels on a discretionary basis in its Daily Wall Street 30, US Tech 100, US 500, US SmallCap 2000, Germany 30, FTSE 100®, Gold, and Silver Binary Contracts on trade date June 20, 2013. Nadex returned to its regular listing schedule for these contracts on June 21, 2013.