0000950134-05-014228 8-K 2 20050728 2.02 9.01 20050728 20050728 LEXICON GENETICS INC/TX 0001062822 2835 760474169 DE 1231 8-K 34 000-30111 05979011 8800 TECHNOLOGY FOREST PLACE THE WOODLANDS TX 77381 2818633000 8800 TECHNOLOGY FOREST PLACE THE WOODLANDS TX 77381 8-K 1 h27338e8vk.txt LEXICON GENETICS INCORPORATED - JULY 28, 2005 EX-99.1 2 h27338exv99w1.txt PRESS RELEASE DATED JULY 28, 2005