| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Oct 31, 2012 | Sale | $91.16 | 84,764 | 7,726,889 | 52,336 | Nov 02, 2012, 04:30 PM |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Aug 27, 2012 | Option Exercise | $28.65 | 41,932 | 1,201,275 | 127,814 | Aug 29, 2012, 04:42 PM |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Aug 28, 2012 | Option Exercise | $42.66 | 21,551 | 919,366 | 107,433 | Aug 29, 2012, 04:42 PM |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Aug 27, 2012 | Sale | $107.05 | 41,932 | 4,488,821 | 85,882 | Aug 29, 2012, 04:42 PM |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Aug 28, 2012 | Sale | $106.37 | 21,551 | 2,292,380 | 85,882 | Aug 29, 2012, 04:42 PM |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Feb 23, 2012 | Option Exercise | $17.65 | 90,000 | 1,588,500 | 175,882 | Feb 24, 2012, 03:20 PM |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Feb 23, 2012 | Sale | $85.03 | 90,000 | 7,652,700 | 85,882 | Feb 24, 2012, 03:20 PM |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Nov 16, 2011 | Option Exercise | $16.86 | 72,766 | 1,227,141 | 150,648 | Nov 18, 2011, 03:23 PM |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Nov 16, 2011 | Sale | $66.87 | 72,766 | 4,865,863 | 77,882 | Nov 18, 2011, 03:23 PM |
| ALXN | SVP, Pres ALXN Pharma Int'l | Mar 10, 2011 | Option Exercise | $18.70 | 45,000 | 841,500 | 83,941 | Mar 14, 2011, 04:02 PM |
| ALXN | SVP, Pres ALXN Pharma Int'l | Mar 10, 2011 | Sale | $97.47 | 45,000 | 4,386,150 | 38,941 | Mar 14, 2011, 04:02 PM |
| ALXN | SVP, Pres Alxn Pharm Int | Feb 17, 2011 | Option Exercise | $12.94 | 52,100 | 674,048 | 75,041 | Feb 22, 2011, 05:58 PM |
| ALXN | SVP, Pres Alxn Pharm Int | Feb 17, 2011 | Sale | $92.86 | 52,100 | 4,837,750 | 66,547 | Feb 22, 2011, 05:58 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Oct 31, 2012 | Sale | 7,726,889 |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Aug 27, 2012 | Option Exercise | 1,201,275 |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Aug 28, 2012 | Option Exercise | 919,366 |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Aug 27, 2012 | Sale | 4,488,821 |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Aug 28, 2012 | Sale | 2,292,380 |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Feb 23, 2012 | Option Exercise | 1,588,500 |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Feb 23, 2012 | Sale | 7,652,700 |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Nov 16, 2011 | Option Exercise | 1,227,141 |
| ALXN | SVP & Pres. ALXN Pharma Int'l | Nov 16, 2011 | Sale | 4,865,863 |
| ALXN | SVP, Pres ALXN Pharma Int'l | Mar 10, 2011 | Option Exercise | 841,500 |
| ALXN | SVP, Pres ALXN Pharma Int'l | Mar 10, 2011 | Sale | 4,386,150 |
| ALXN | SVP, Pres Alxn Pharm Int | Feb 17, 2011 | Option Exercise | 674,048 |
| ALXN | SVP, Pres Alxn Pharm Int | Feb 17, 2011 | Sale | 4,837,750 |