| Date | Event |
| 23-Nov-09 | Price hit new 52-week high ($29.00) |
| 5-Nov-09 | Ex-Date for dividend payment of $0.12 |
| 27-Oct-09 | National Instruments Earnings Call scheduled for 5:00 pm ET today |
| 27-Oct-09 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |
| 18-Sep-09 | Price hit new 52-week high ($28.90) |
| 17-Sep-09 | Price hit new 52-week high ($28.50) |
| 8-Sep-09 | National Instruments Business Update Call scheduled for 5:00 pm ET today |
| 8-Sep-09 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |
| 6-Aug-09 | Ex-Date for dividend payment of $0.12 |
| 4-Aug-09 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 10-Q, Quarterly Report |
| 23-Jul-09 | National Instruments Earnings Call scheduled for 5:00 pm ET today |
| 23-Jul-09 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |
| 9-Jun-09 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |
| 18-May-09 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 8-K, Notice of Delisting or Failure to Satisfy a Continued Listing Rule |
| 7-May-09 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 10-Q, Quarterly Report |
| 28-Apr-09 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |
| 9-Mar-09 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |
| 9-Mar-09 | Price hit new 52-week low ($15.99) |
| 6-Mar-09 | Price hit new 52-week low ($16.19) |
| 2-Mar-09 | Price hit new 52-week low ($16.25) |
| 27-Feb-09 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 10-K, Annual Report |
| 29-Jan-09 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |
| 2-Jan-09 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |
| 10-Dec-08 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 8-K, Change in Directors or Principal Officers |
| 4-Dec-08 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |
| 19-Nov-08 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 8-K, Change in Directors or Principal Officers |
| 7-Nov-08 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 10-Q, Quarterly Report |
| 28-Oct-08 | NATIONAL INSTRUMENTS CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |