Nadex Product Schedule for the FTSE 100® and China 50 Holidays for the Week of August 31, 2015

Nadex will observe the following specific trading hours for the week of August 31, 2015:

• Monday, August 31st, 2015: The exchange will observe regular business hours. No FTSE 100 contracts will be offered for this trade date. Weekly China 50 contracts listed on this trade date will open at their regular time and have a settlement date of Wednesday, September 2nd, 2015. All other contracts listed on this date will open and close at their regular times.

• Wednesday, September 2nd, 2015: The exchange will observe regular business hours. Weekly China 50 contracts will settle on this date.

• Thursday, September 3rd, 2015: The exchange will observe regular business hours. No Daily China 50 contracts will be offered for this trade date.

• Friday, September 4th, 2015: The exchange will observe regular business hours. No Daily China 50 contracts will be offered for this trade date.