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| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 09/30/2009 | ANSYS INC | ANSS | 0 | -218,707 | 0 | -6,815,000 | |
| 06/30/2009 | ANSYS INC | ANSS | 218,707 | -181,180 | 6,815,000 | -3,222,000 | $31.16 |
| 03/31/2009 | ANSYS INC | ANSS | 399,887 | 399,887 | 10,037,000 | 10,037,000 | $25.10 |
| 06/30/2008 | ANSYS INC | ANSS | 0 | -1,426 | 0 | -49,000 | |
| 03/31/2008 | ANSYS INC | ANSS | 1,426 | -68,775 | 49,000 | -2,349,768 | $34.36 |
| 12/31/2007 | ANSYS INC | ANSS | 0 | -70,201 | 0 | -2,398,768 | |
| 09/30/2007 | ANSYS INC | ANSS | 70,201 | 70,201 | 2,398,768 | 2,398,768 | $34.17 |
| 03/31/2007 | ANSYS INC | ANSS | 0 | -38,432 | 0 | -1,671,408 | |
| 12/31/2006 | ANSYS INC | ANSS | 38,432 | 38,432 | 1,671,408 | 1,671,408 | $43.49 |
| 12/31/2005 | ANSYS INC | ANSS | 0 | -67,766 | 0 | -2,608,313 | |
| 09/30/2005 | ANSYS INC | ANSS | 67,766 | 282 | 2,608,313 | 203,183 | $38.49 |
| 06/30/2005 | ANSYS INC | ANSS | 67,484 | 17,692 | 2,405,130 | 701,746 | $35.64 |
| 03/31/2005 | ANSYS INC | ANSS | 49,792 | 42,222 | 1,703,384 | 1,460,690 | $34.21 |
| 12/31/2004 | ANSYS INC | ANSS | 7,570 | 7,570 | 242,694 | 242,694 | $32.06 |
| 09/30/2004 | ANSYS INC | ANSS | 0 | -6,620,000 | 0 | -1,585,490 | |
| 06/30/2003 | ANSYS INC | ANSS | 0 | -6,620,000 | 0 | -1,585,490 | |
| 03/31/2003 | ANSYS INC | ANSS | 6,620,000 | 6,620,000 | 1,585,490 | 1,585,490 | $0.24 |
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