Improvement 0 Spread    0.02     0.03     0.05     0.10     0.24  0.01 0.02 0.03 0.04 0.05                               1                                1                                2                               â€                                 â€                        â€                        â€                        â€                        â€                        â€                        â€                        â€                        â€                        â€                        â€                        â€                        â€                        â€                        â€                        â€                       â€                       â€                       â€                        1                     â€                       â€                       â€                       â€                       â€                        1  Order>=50Ctx !@NBBO Non‐Cust >.05, <=.10 >.10, <=.20 >.20, <=.30                    â€                       â€                       â€                       â€                       â€                   â€                   â€                   â€                   â€                   â€                   â€                   â€                   â€                   â€                   â€    >.30,  <=.40 >.40,  <=.50 >.50               â€                  â€                  â€                  â€                  â€                 â€                 â€                 â€                 â€                 â€                 â€                 â€                 â€                 â€                 â€    Average  Average  Average  Percent of  Percent of  Total Contracts  Number of  order  contracts  Traded Participants initiator  initiator  receives receives                       70  5 40.00% 40.00%                     444  1 50.00% 50.00%                     501  0.5 70.00% 47.31%                       50  3 0.00% 0.00%                       50  3 0.00% 0.00% 21 .