| Mon, Jul 6, 2009 | | | New High Speed, Long Life 6x16 Matrix Card Expands Keithley's Series 3700 System Switch/Multimeter Family Business Wire (Mon, Jul 6)
| | Tue, Jun 30, 2009 | | | Premier Issue of "Project TEST" E-Magazine Offers Articles, Video, and Online Resources Business Wire (Tue, Jun 30)
| | Mon, Jun 22, 2009 | | | Keithley Adds Free Graphing Toolkit to Series 3700 System Switch/Multimeter Firmware for an "Early Look" at Acquired Data Business Wire (Mon, Jun 22)
| | Tue, Jun 9, 2009 | | | New Upconverter Supports Transceiver Test, Simplifies Test System Design Business Wire (Tue, Jun 9)
| | Mon, Jun 8, 2009 | | | Keithley Instruments Deemed in Compliance with Continued Listing Standards by New York Stock Exchange Business Wire (Mon, Jun 8)
| | Wed, May 27, 2009 | | | Free Keithley Web-Based Seminar Explores Electrical Measurements of Photovoltaic/Solar Cell Devices Business Wire (Wed, May 27)
| | | KEITHLEY INSTRUMENTS INC Financials EDGAR Online Financials (Wed, May 27)
| | Fri, May 22, 2009 | | | Free Keithley Webinar Explores Fundamentals of Semiconductor C-V Testing Business Wire (Fri, May 22)
| | Fri, May 15, 2009 | | | Keithley Instruments Announces Dividend Business Wire (Fri, May 15)
| | Mon, May 4, 2009 | | | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Entry into a Material Definitive Agreement EDGAR Online (Mon, May 4)
| | Wed, Apr 29, 2009 | | | KEITHLEY INSTRUMENTS INC Files SEC form 8-K/A, Results of Operations and Financial Condition, Financial Statements an EDGAR Online (Wed, Apr 29)
| | | Keithley Instruments Earnings Call scheduled for 10:00 am ET today CCBN (Wed, Apr 29)
| | | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and EDGAR Online (Wed, Apr 29)
| | | Keithley Instruments Reports Results for Fiscal 2009 Second Quarter Business Wire (Wed, Apr 29)
| | | Q2 2009 Keithley Instruments Earnings Release - Before Market Open CCBN (Wed, Apr 29)
| | Mon, Apr 27, 2009 | | | Keithley Instruments' Continued Listing Plan Accepted by New York Stock Exchange Business Wire (Mon, Apr 27)
| | Fri, Apr 24, 2009 | | | Keithley Instruments Schedules Second Quarter Fiscal 2009 Earnings Release and Conference Call Business Wire (Fri, Apr 24)
| | Mon, Mar 9, 2009 | | | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits EDGAR Online (Mon, Mar 9)
| | Fri, Feb 27, 2009 | | | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Costs Associated with Exit or Disposal Activities, Financial Statements EDGAR Online (Fri, Feb 27)
| | Mon, Feb 23, 2009 | | | KEITHLEY INSTRUMENTS INC Files SEC form 8-K, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or St EDGAR Online (Mon, Feb 23)
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