| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| MSI | SVP, Public Affairs | Feb 07, 2011 | Sale | $40.32 | 4,475 | 180,453 | 34,754 | Feb 09, 2011, 04:46 PM |
| MSI | SVP, Public Affairs | Jan 28, 2011 | Option Exercise | $37.96 | 2,250 | 85,410 | 39,228 | Jan 31, 2011, 04:47 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| MSI | SVP, Public Affairs | Feb 07, 2011 | Sale | 180,453 |
| MSI | SVP, Public Affairs | Jan 28, 2011 | Option Exercise | 85,410 |