| Date | Event |
| 1-Dec-09 | Price hit new 52-week high ($8.95) |
| 16-Nov-09 | NATIONAL DENTEX CORP /MA/ Files SEC form 8-K, Change in Directors or Principal Officers |
| 5-Nov-09 | NATIONAL DENTEX CORP /MA/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 2-Sep-09 | NATIONAL DENTEX CORP /MA/ Files SEC form 8-K, Change in Directors or Principal Officers |
| 17-Aug-09 | Price hit new 52-week high ($8.44) |
| 6-Aug-09 | NATIONAL DENTEX CORP /MA/ Files SEC form 10-Q, Quarterly Report |
| 4-Aug-09 | NATIONAL DENTEX CORP /MA/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 8-May-09 | Price hit new 52-week high ($6.99) |
| 6-May-09 | NATIONAL DENTEX CORP /MA/ Files SEC form 10-Q, Quarterly Report |
| 4-May-09 | NATIONAL DENTEX CORP /MA/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 23-Apr-09 | NATIONAL DENTEX CORP /MA/ Files SEC form 8-K, Change in Directors or Principal Officers |
| 16-Mar-09 | NATIONAL DENTEX CORP /MA/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 10-Mar-09 | Price hit new 52-week low ($1.25) |
| 4-Mar-09 | Price hit new 52-week low ($2.08) |
| 3-Mar-09 | Price hit new 52-week low ($2.19) |
| 6-Jan-09 | NATIONAL DENTEX CORP /MA/ Files SEC form 8-K, Change in Directors or Principal Officers |
| 17-Dec-08 | NATIONAL DENTEX CORP /MA/ Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 12-Nov-08 | NATIONAL DENTEX CORP /MA/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 7-Nov-08 | NATIONAL DENTEX CORP /MA/ Files SEC form 10-Q, Quarterly Report |