| Date | Event |
| 6-Nov-09 | MATTSON TECHNOLOGY INC Files SEC form 10-Q, Quarterly Report |
| 21-Oct-09 | Mattson Third Quarter Financial Results Call scheduled for 6:00 pm ET today |
| 21-Oct-09 | MATTSON TECHNOLOGY INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Ex |
| 22-Sep-09 | Price hit new 52-week high ($2.74) |
| 15-Sep-09 | Price hit new 52-week high ($2.58) |
| 9-Sep-09 | Price hit new 52-week high ($2.34) |
| 12-Aug-09 | MATTSON TECHNOLOGY INC Files SEC form 8-K, Change in Directors or Principal Officers |
| 11-Aug-09 | MATTSON TECHNOLOGY INC Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibi |
| 31-Jul-09 | MATTSON TECHNOLOGY INC Files SEC form 10-Q, Quarterly Report |
| 29-Jul-09 | MATTSON TECHNOLOGY INC Files SEC form 8-K, Results of Operations and Financial Condition, Costs Associated with Exit |
| 7-May-09 | MATTSON TECHNOLOGY INC Files SEC form 10-Q, Quarterly Report |
| 29-Apr-09 | MATTSON TECHNOLOGY INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Ex |
| 6-Mar-09 | MATTSON TECHNOLOGY INC Files SEC form 10-K, Annual Report |
| 5-Mar-09 | Price hit new 52-week low ($0.30) |
| 3-Mar-09 | Price hit new 52-week low ($0.45) |
| 2-Mar-09 | Price hit new 52-week low ($0.48) |
| 4-Feb-09 | MATTSON TECHNOLOGY INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Ex |
| 20-Jan-09 | MATTSON TECHNOLOGY INC Files SEC form 8-K, Material Impairments, Financial Statements and Exhibits |
| 9-Dec-08 | MATTSON TECHNOLOGY INC Files SEC form 8-K, Costs Associated with Exit or Disposal Activities, Financial Statements an |
| 31-Oct-08 | MATTSON TECHNOLOGY INC Files SEC form 10-Q, Quarterly Report |