Nadex Adds Discretionary Strike Levels on May 26, 2015

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 12.51, 12.61, 12.63, and 12.65, due to volatility in the underlying markets upon which the Nadex contracts are based, Nadex added additional strike levels on a discretionary basis in its Daily US Tech 100, Daily Wall Street 30, Daily US SmallCap 2000, and Daily Germany 30 Binary contracts on May 26, 2015. Nadex returned to its regular listing schedule for these contracts on May 27, 2015.