| Date | Event |
| 23-Nov-09 | Keithley upgraded by Thomas Weisel |
| 20-Nov-09 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Regulation FD Disclosure, Fi |
| 19-Nov-09 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhi |
| 17-Nov-09 | Keithley Instruments Earnings Call scheduled for 10:00 am ET today |
| 17-Nov-09 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 17-Nov-09 | Earnings announcement |
| 14-Sep-09 | Ex-Date for dividend payment of $0.013 |
| 26-Aug-09 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Costs Associated with Exit or Disposal Activities, Financial Statements |
| 10-Aug-09 | KEITHLEY INSTRUMENTS INC Files SEC form 10-Q, Quarterly Report |
| 28-Jul-09 | Keithley Instruments Earnings Call scheduled for 10:00 am ET today |
| 28-Jul-09 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 12-Jun-09 | Ex-Date for dividend payment of $0.013 |
| 4-May-09 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 29-Apr-09 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K/A, Results of Operations and Financial Condition, Financial Statements an |
| 29-Apr-09 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 9-Mar-09 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 9-Mar-09 | Price hit new 52-week low ($1.86) |
| 6-Mar-09 | Price hit new 52-week low ($1.96) |
| 27-Feb-09 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Costs Associated with Exit or Disposal Activities, Financial Statements |
| 23-Feb-09 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or St |
| 20-Feb-09 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and Exh |
| 9-Feb-09 | KEITHLEY INSTRUMENTS INC Files SEC form 10-Q, Quarterly Report |
| 4-Feb-09 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 17-Dec-08 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Costs Associated with Exit or Disposal Activities, Financial Statements |
| 15-Dec-08 | KEITHLEY INSTRUMENTS INC Files SEC form 10-K, Annual Report |
| 5-Dec-08 | Price hit new 52-week low ($2.02) |
| 7-Nov-08 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhi |
| 3-Nov-08 | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |