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APPENDIX B

Table with Rule 11Ac1-5 Sample Statistics for a Single Security "A" in May 2001

F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26
T MM1 200105 A 11 21 106 22200 400 21500 300 19200 1300 800 300 200 .0463 .0852 1900 .0389 12.4 18800 6.3 1100 .0521 25.7
T MM1 200105 A 11 22                                        
T MM1 200105 A 11 23                                        
T MM1 200105 A 11 24                                        
T MM1 200105 A 12 21                                        
T MM1 200105 A 12 22                                        
T MM1 200105 A 12 23                                        
T MM1 200105 A 12 24                                        
T MM1 200105 A 13 21                                        
T MM1 200105 A 13 22                                        
T MM1 200105 A 13 23                                        
T MM1 200105 A 13 24                                        
T MM1 200105 A 14 21                                        
T MM1 200105 A 14 22                                        
T MM1 200105 A 14 23                                        
T MM1 200105 A 14 24                                        
T MM1 200105 A 15 21                                        
T MM1 200105 A 15 22                                        
T MM1 200105 A 15 23                                        
T MM1 200105 A 15 24                                        

F1: Designated Participant Code F10: Market Center Executed Shares F19: Price-Improved Shares
F2: Market Center Code F11: Away Executed Shares F20: Price Improved Average Amount ($)
F3: Date F12: Shares from 0 to 9 Seconds F21: Price Improved Average Time (seconds)
F4: Security Ticker Symbol F13: Shares from 10 to 29 Seconds F22: At-the Quote Shares
F5: Order Type Code F14: Shares from 30 to 59 Seconds F23: At-the-Quote Average Time (seconds)
F6: Order Size Code F15: Shares from 60 to 299 Seconds F24: Outside-the-Quote Shares
F7: Total Covered Orders F16: Shares from 5 to 30 Minutes F25: Outside-the-Quote Average Amount ($)
F8: Total Covered Shares F17: Average Realized Spread ($) F26: Outside-the-Quote Average Time (seconds)
F9: Cancelled Shares F18: Average Effective Spread ($)  

http://www.sec.gov/interps/legal/slbim12b.htm


Modified: 03/14/2001