X0101 42003-05-20 0000310522 FEDERAL NATIONAL MORTGAGE ASSOCIATION FANNIE MAE FNM 0001026921 MARRON DONALD B 1000Stock Option (right to buy)72.5152003-05-204A040000A2003-05-202013-05-20Common Stock40004000D/s/ Iris Aberbach, Attorney-in-Fact for Donald B. Marron2003-05-22