Law Offices of Howard G. Smith Announces Investigation on Behalf of Shareholders Keithley Instruments, Inc. in Connection wit...

Law Offices of Howard G. Smith announces that it is investigating potential claims against the board of directors of Keithley Instruments, Inc. (“Keithley Instruments” or the “Company”) (NYSE:KEI) related to the Company’s agreement to be acquired by Danaher Corporation (“Danaher”). The proposed transaction is valued at approximately $300 million.

Under the terms of the definitive merger agreement entered into by the parties, Danaher will acquire all of the outstanding Common Shares and Class B Common Shares of Keithley Instruments for $21.60 per share in cash. Keithley Instruments’ board of directors has unanimously approved the proposed acquisition. If the transaction is completed, Keithley will operate as part of Danaher’s Tektronix business. The acquisition is expected to be completed during the fourth quarter of 2010. The investigation concerns possible breaches of fiduciary duty and other violations of law related to approval of the proposed transaction by Keithley Instruments’ board of directors.

If you are a shareholder of Keithley Instruments, if you have information or would like to learn more about these claims, or if you wish to discuss these matters or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact Howard G. Smith, Esquire, of Law Offices of Howard G. Smith, 3070 Bristol Pike, Suite 112, Bensalem, Pennsylvania 19020 by telephone at 215-638-4847, Toll Free at 888-638-4847, or by email to [e-mail], or visit our website at http://www.howardsmithlaw.com.