| Date | Event |
| 6-Nov-09 | ANSYS INC Files SEC form 10-Q, Quarterly Report |
| 6-Nov-09 | ANSYS upgraded by Jefferies & Co |
| 5-Nov-09 | ANSYS INC Files SEC form 8-K, Results of Operations and Financial Condition |
| 5-Nov-09 | Earnings announcement |
| 21-Oct-09 | Price hit new 52-week high ($42.58) |
| 17-Sep-09 | Price hit new 52-week high ($38.61) |
| 14-Sep-09 | Price hit new 52-week high ($38.12) |
| 7-Aug-09 | ANSYS INC Files SEC form 10-Q, Quarterly Report |
| 6-Aug-09 | ANSYS INC Files SEC form 8-K, Results of Operations and Financial Condition |
| 21-May-09 | ANSYS INC Files SEC form 8-K, Change in Directors or Principal Officers |
| 8-May-09 | ANSYS INC Files SEC form 10-Q, Quarterly Report |
| 7-May-09 | ANSYS INC Files SEC form 8-K, Results of Operations and Financial Condition, Costs Associated with Exit or Disposal A |
| 6-Mar-09 | Price hit new 52-week low ($18.00) |
| 5-Mar-09 | Price hit new 52-week low ($18.28) |
| 4-Mar-09 | Price hit new 52-week low ($18.72) |
| 27-Feb-09 | ANSYS INC Files SEC form 10-K, Annual Report |
| 26-Feb-09 | ANSYS INC Files SEC form 8-K, Results of Operations and Financial Condition |
| 7-Jan-09 | ANSYS INC Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 6-Nov-08 | ANSYS INC Files SEC form 8-K, Results of Operations and Financial Condition |