AGREEMENT OF JOINT FILINGJoint Filing Agreement • January 21st, 2010 • Burnham Asset Management Corp /Ny/ • Services-commercial physical & biological research
Contract Type FiledJanuary 21st, 2010 Company IndustryPursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby consent to the joint filing on their behalf of a single Schedule 13G and any amendments thereto, with respect to the beneficial ownership by each of the undersigned of shares of common stock of National Research Corp. The undersigned hereby further agree that this statement may be executed inany number of counterparts, each of which when so executed shall be deemed to be an original, but all of which counterparts shall together constitute one and the same instrument.