| Date | Event |
| 9-Nov-09 | Aspen Technology Reports Selected Preliminary Results For The First Quarter Of Fiscal 2010, Along With Financial Results For Fiscal 2009 Call scheduled for 8:30 am ET today |
| 9-Nov-09 | ASPEN TECHNOLOGY INC /DE/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 9-Nov-09 | ASPEN TECHNOLOGY INC /DE/ Files SEC form 10-Q, Quarterly Report |
| 16-Oct-09 | Coverage initiated on Aspen Tech by Benchmark |
| 11-Sep-09 | ASPEN TECHNOLOGY INC /DE/ Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exh |
| 21-Aug-09 | Price hit new 52-week high ($10.75) |
| 18-Aug-09 | Price hit new 52-week high ($10.57) |
| 27-Jul-09 | Price hit new 52-week high ($10.01) |
| 9-Jul-09 | ASPEN TECHNOLOGY INC /DE/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 6-Jul-09 | ASPEN TECHNOLOGY INC /DE/ Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 2-Jul-09 | ASPEN TECHNOLOGY INC /DE/ Files SEC form 8-K, Change in Directors or Principal Officers |
| 1-Jul-09 | ASPEN TECHNOLOGY INC /DE/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 30-Jun-09 | ASPEN TECHNOLOGY INC /DE/ Files SEC form 10-K, Annual Report |
| 15-May-09 | ASPEN TECHNOLOGY INC /DE/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 25-Feb-09 | ASPEN TECHNOLOGY INC /DE/ Files SEC form 8-K, Change in Directors or Principal Officers |
| 19-Feb-09 | ASPEN TECHNOLOGY INC /DE/ Files SEC form 8-K/A, Non-Reliance on Previous Financials, Audits or Interim Review |
| 12-Feb-09 | ASPEN TECHNOLOGY INC /DE/ Files SEC form 8-K, Non-Reliance on Previous Financials, Audits or Interim Review |
| 18-Dec-08 | Price hit new 52-week low ($5.10) |
| 30-Oct-08 | ASPEN TECHNOLOGY INC /DE/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |