On June 14, 2013, the Board of Directors of Electro-Sensors Inc. appointed David L. Klenk as a member of the Board of Directors, effective immediately. Mr. Klenk was also appointed to serve as a member of the Board's Audit and Nominating Committees. Mr. Klenk has extensive operations and finance experience.

From 2006 to May 2013, Mr. Klenk served as President and as a director of Harland Medical Systems Inc. Previously, from 1993 to 2005, Mr. Klenk held executive positions of increasing responsibility at August Technology Corporation. Mr. Klenk currently serves as a director of two privately-held companies. Effective as of the appointment of Mr. Klenk as a director, Geoffrey W. Miller resigned from the Board.