Our US stock index contracts are based on the following futures:
    | Nadex product |  Underlying market |  Lead months |  
    | Wall Street 30 |  CBOT® E-mini Dow Futures |  March, June, Sept., Dec. |  
  | US 500 |  CME® E-mini S&P 500 Index Futures |  March, June, Sept., Dec. |  
  | US Tech 100 |  CME® E-mini NASDAQ 100 Index Futures |  March, June, Sept., Dec. |  
  | US SmallCap 2000 |  CME® E-mini Russell 2000 Index Futures |  March, June, Sept., Dec. |  
  
     Our rest of the world stock index contracts are based on the following futures:
    | Nadex product |  Underlying market |  Lead months |  
    | Japan 225 |  SGX Nikkei 225® Index Futures |  March, June, Sept., Dec. |  
  
             | Duration |  Expiration |  Strike width |  No. of contracts |  Trading hours |     | Intraday: 20-minute |  Mon-Fri: 10am, 10:20am, 10:40am, 11am, 11:20am, 2:40pm, 3pm, 3:20pm, 3:40pm, 4pm |  8 |  15 |  For 20 minutes preceding expiration |  
  | Intraday: 20-minute |  Mon-Fri: 11:40am, 12pm, 12:20pm, 12:40pm, 1pm, 1:20pm, 1:40pm, 2pm, 2:20pm |  6 |  15 |  For 20 minutes preceding expiration |  
  | Intraday: 2-hour |  Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm, (5pm Mon-Thu) |  24 |  15 |  For 2 hours preceding expiration |  
  | Daily |  Mon-Fri: 4:15pm |  80 |  21 |  Sun-Fri, 6pm-4:15pm |  
  | Weekly |  Fri: 4:15pm |  200 |  13 |  Sun-Thu, 6pm-5pm; Thu-Fri, 6pm-4:15pm |  
  
        | Duration |  Expiration |  Strike width |  No. of contracts |  Trading hours |     | Intraday: 20-minute |  Mon-Fri: 10am, 10:20am, 10:40am, 11am, 11:20am, 2:40pm, 3pm, 3:20pm, 3:40pm, 4pm |  1.5 |  15 |  For 20 minutes preceding expiration |  
  | Intraday: 20-minute |  Mon-Fri: 11:40am, 12pm, 12:20pm, 12:40pm, 1pm, 1:20pm, 1:40pm, 2pm, 2:20pm |  1 |  15 |  For 20 minutes preceding expiration |  
  | Intraday: 2-hour |  Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm, (5pm Mon-Thu) |  3 |  15 |  For 2 hours preceding expiration |  
  | Daily |  Mon-Fri: 4:15pm |  12 |  21 |  Sun-Fri, 6pm-4:15pm |  
  | Weekly |  Fri: 4:15pm |  24 |  13 |  Sun-Thu, 6pm-5pm; Thu-Fri, 6pm-4:15pm |  
  
        | Duration |  Expiration |  Strike width |  No. of contracts |  Trading hours |     | Intraday: 20-minute |  Mon-Fri: 10am, 10:20am, 10:40am, 11am, 11:20am, 2:40pm, 3pm, 3:20pm, 3:40pm, 4pm |  4 |  15 |  For 20 minutes preceding expiration |  
  | Intraday: 20-minute |  Mon-Fri: 11:40am, 12pm, 12:20pm, 12:40pm, 1pm, 1:20pm, 1:40pm, 2pm, 2:20pm |  3 |  15 |  For 20 minutes preceding expiration |  
  | Intraday: 2-hour |  Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm, (5pm Mon-Thu) |  12 |  15 |  For 2 hours preceding expiration |  
  | Daily |  Mon-Fri: 4:15pm |  48 |  21 |  Sun-Fri, 6pm-4:15pm |  
  | Weekly |  Fri: 4:15pm |  144 |  13 |  Sun-Thu, 6pm-5pm; Thu-Fri, 6pm-4:15pm |  
  
        | Duration |  Expiration |  Strike width |  No. of contracts |  Trading hours |     | Intraday: 20-minute |  Mon-Fri: 10am, 10:20am, 10:40am, 11am, 11:20am, 2:40pm, 3pm, 3:20pm, 3:40pm, 4pm |  1.4 |  15 |  For 20 minutes preceding expiration |  
  | Intraday: 20-minute |  Mon-Fri: 11:40am, 12pm, 12:20pm, 12:40pm, 1pm, 1:20pm, 1:40pm, 2pm, 2:20pm |  1.2 |  15 |  For 20 minutes preceding expiration |  
  | Intraday: 2-hour |  Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm, (5pm Mon-Thu) |  2.8 |  15 |  For 2 hours preceding expiration |  
  | Daily |  Mon-Fri: 4:15pm |  8 |  21 |  Sun-Fri, 6pm-4:15pm |  
  | Weekly |  Fri: 4:15pm |  24 |  13 |  Sun-Thu, 6pm-5pm; Thu-Fri, 6pm-4:15pm |  
  
         | Duration |  Expiration |  Strike width |  No. of contracts |  Trading hours |     | Daily |  Mon-Fri: 2:25am |  80 |  15 |  Sun-Fri: 7:45pm-2:25am |  
  | Weekly |  Fri: 2:25am |  200 |  13 |  Sun-Fri: 7:45pm-2:25am |  
  
             | Duration |  Expiration |  Range |  No. of contracts |  Trading hours |  Minimum tick size |     | Weekly |  Earlier of 4:15pm or when Wall Street 30 Index Value = or is > than the ceiling, or = or is < the floor |  500 |  4 |  Mon, 3am-5pm; Mon-Fri, 6pm-4:15pm |  1 |  
  
        | Duration |  Expiration |  Range |  No. of contracts |  Trading hours |  Minimum tick size |     | Weekly |  Earlier of 4:15pm or when US 500 Index Value = or is > than the ceiling, or = or is < the floor |  50 |  4 |  Mon, 3am-5pm; Mon-Fri, 6pm-4:15pm |  0.1 |  
  
        | Duration |  Expiration |  Range |  No. of contracts |  Trading hours |  Minimum tick size |     | Weekly |  Earlier of 4:15pm or when US Tech 100 Index Value = or is > than the ceiling, or = or is < the floor |  150 |  4 |  Mon, 3am-5pm; Mon-Fri, 6pm-4:15pm |  0.25 |  
  
        | Duration |  Expiration |  Range |  No. of contracts |  Trading hours |  Minimum tick size |     | Weekly |  Earlier of 4:15pm or when US SmallCap 2000 Index Value = or is > than the ceiling, or = or is < the floor |  50 |  4 |  Mon, 3am-5pm; Mon-Fri, 6pm-4:15pm |  0.1 |  
  
             | Duration |  Expiration |  Strike width |  No. of contracts |  Trading hours |  Minimum tick size |     | 2-hour |  Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm |  100 |  5 |  For 2 hours preceding expiration |  1 |  
  | 8.25-hour |  Mon-Fri, 4:15pm |  300 |  5 |  Mon-Fri, 8am-4:15pm |  1 |  
  | Daily |  Mon-Fri, 4:15pm |  400 |  3 |  Sun-Fri, 6pm-4:15pm |  1 |  
  | Daily |  Mon-Fri, 4:15pm |  800 |  1 |  Sun-Fri, 6pm-4:15pm |  1 |  
  
        | Duration |  Expiration |  Strike width |  No. of contracts |  Trading hours |  Minimum tick size |     | 2-hour |  Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm |  10.0 |  5 |  For 2 hours preceding expiration |  0.1 |  
  | 8.25-hour |  Mon-Fri, 4:15pm |  30.0 |  5 |  Mon-Fri, 8am-4:15pm |  0.1 |  
  | Daily |  Mon-Fri, 4:15pm |  40.0 |  3 |  Sun-Fri, 6pm-4:15pm |  0.1 |  
  | Daily |  Mon-Fri, 4:15pm |  80.0 |  1 |  Sun-Fri, 6pm-4:15pm |  0.1 |  
  
        | Duration |  Expiration |  Strike width |  No. of contracts |  Trading hours |  Minimum tick size |     | 2-hour |  Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm |  50 |  5 |  For 2 hours preceding expiration |  0.25 |  
  | 8.25-hour |  Mon-Fri, 4:15pm |  90 |  5 |  Mon-Fri, 8am-4:15pm |  0.25 |  
  | Daily |  Mon-Fri, 4:15pm |  100 |  3 |  Sun-Fri, 6pm-4:15pm |  0.25 |  
  | Daily |  Mon-Fri, 4:15pm |  200 |  1 |  Sun-Fri, 6pm-4:15pm |  0.25 |  
  
        | Duration |  Expiration |  Strike width |  No. of contracts |  Trading hours |  Minimum tick size |     | 2-hour |  Mon-Fri: 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm |  7.0 |  5 |  For 2 hours preceding expiration |  0.1 |  
  | 8.25-hour |  Mon-Fri, 4:15pm |  20.0 |  5 |  Mon-Fri, 8am-4:15pm |  0.1 |  
  | Daily |  Mon-Fri, 4:15pm |  30.0 |  3 |  Sun-Fri, 6pm-4:15pm |  0.1 |  
  | Daily |  Mon-Fri, 4:15pm |  60.0 |  1 |  Sun-Fri, 6pm-4:15pm |  0.1 |  
  
         | Duration |  Expiration |  Strike width |  No. of contracts |  Trading hours |  Minimum tick size |     | Daily |  Mon-Fri, 2:25am |  400 |  3 |  Sun-Fri, 7:45pm-2:25am |  1 |  
  | Daily |  Mon-Fri, 2:25am |  800 |  1 |  Sun-Fri, 7:45pm-2:25am |  1 |  
  
      Pursuant to Nadex Rule 12.1(e), in instances where a duplicate strike width would be generated under the applicable product rule, the strike width for that contract will be adjusted by the pre-determined levels described in this table.