On January 25, 2017, the board of directors of National Instruments Corporation approved an increase in the size of the board by one director, from eight to nine directors and appointed Alexander M. Davern, the Chief Executive Officer of NI, to fill the resulting vacancy. Mr. Davern will initially serve as a Class I director, with a term expiring at NI's 2019 annual meeting of stockholders. The board does not presently intend to appoint Mr. Davern to serve on any committees of the board. On January 20, 2017, Dr. Donald M. Carlton, who currently serves as a Class II director, informed the board that he will not stand for re-election as a director at NI's 2017 annual meeting of stockholders. Also, on January 25, 2017, the board nominated Jeffrey L. Kodosky, Michael E. McGrath and Alexander M. Davern for election at the annual meeting as Class II directors to serve for a term of three years. In connection with the annual meeting, Mr. Davern will resign as a Class I director immediately prior to the annual meeting and, if elected at the annual meeting, Mr. Davern will serve as a Class II director.