Nadex Adds Discretionary Strike Levels on August 6 and 7, 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 12.61 and 12.63, 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 and US SmallCap 2000 Binary contracts on August 6, 2015. Nadex returned to its regular listing schedule for the US SmallCap 2000 Binary contracts on August 7. Additionally, Nadex added additional strike levels in its Daily US Tech 100 Binary contracts on August 7, 2015. Nadex returned to its regular listing schedule for all contracts on Monday, August 10, 2015.