0000950129-05-004207 8-K 3 20050427 1.01 2.02 9.01 20050428 20050428 LEXICON GENETICS INC/TX 0001062822 2835 760474169 DE 1231 8-K 34 000-30111 05778158 8800 TECHNOLOGY FOREST PLACE THE WOODLANDS TX 77381 2818633000 8800 TECHNOLOGY FOREST PLACE THE WOODLANDS TX 77381 8-K 1 h24737e8vk.txt LEXICON GENETICS INCORPORATED - DATED 4/27/2005 EX-10.1 2 h24737exv10w1.txt 2000 NON-EMPLOYEE DIRECTORS' STOCK OPTION PLAN EX-99.1 3 h24737exv99w1.txt PRESS RELEASE DATED 4/28/2005