National Research Corporation (NASDAQ/NM:NRCI), a leader in healthcare performance measurement, today announced that it expects earnings for the fourth quarter ended December 31, 2004, to be approximately $0.13 per share on revenues of $6.4 million, compared with the Company’s previously announced guidance of $0.24 per share. The Company expects to report full results for the fourth quarter and year ended December 31, 2004, on February 8, 2005.