| Date | Event |
| 24-Nov-09 | CABOT MICROELECTRONICS CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 24-Nov-09 | CABOT MICROELECTRONICS CORP Files SEC form 10-K, Annual Report |
| 22-Oct-09 | Cabot Microelectronics Earnings Call scheduled for 10:00 am ET today |
| 22-Oct-09 | CABOT MICROELECTRONICS CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements a |
| 11-Sep-09 | Price hit new 52-week high ($36.31) |
| 7-Aug-09 | CABOT MICROELECTRONICS CORP Files SEC form 10-Q, Quarterly Report |
| 23-Jul-09 | Cabot Microelectronics Earnings Call scheduled for 10:00 am ET today |
| 23-Jul-09 | CABOT MICROELECTRONICS CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements a |
| 23-Jul-09 | Price hit new 52-week high ($35.00) |
| 16-Jun-09 | Price hit new 52-week high ($31.78) |
| 8-May-09 | CABOT MICROELECTRONICS CORP Files SEC form 10-Q, Quarterly Report |
| 23-Apr-09 | CABOT MICROELECTRONICS CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements a |
| 15-Apr-09 | CABOT MICROELECTRONICS CORP Files SEC form 8-K, Results of Operations and Financial Condition, Regulation FD Disclosu |
| 3-Mar-09 | Price hit new 52-week low ($18.83) |
| 2-Mar-09 | Price hit new 52-week low ($19.03) |
| 27-Feb-09 | CABOT MICROELECTRONICS CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 5-Feb-09 | CABOT MICROELECTRONICS CORP Files SEC form 10-Q, Quarterly Report |
| 22-Jan-09 | CABOT MICROELECTRONICS CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements a |
| 7-Jan-09 | CABOT MICROELECTRONICS CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements a |
| 19-Dec-08 | CABOT MICROELECTRONICS CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and |
| 16-Dec-08 | CABOT MICROELECTRONICS CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 25-Nov-08 | CABOT MICROELECTRONICS CORP Files SEC form 10-K, Annual Report |