0000950123-04-012639 8-K 2 20041027 2.02 9.01 20041028 20041028 REGENERON PHARMACEUTICALS INC 0000872589 2834 133444607 NY 1231 8-K 34 000-19034 041102883 777 OLD SAW MILL RIVER RD TARRYTOWN NY 10591-6707 9143477000 8-K 1 y68059e8vk.htm REGENERON PHARMACEUTICALS, INC. EX-99.A 2 y68059exv99wa.htm EX-99.A: PRESS RELEASE