0000950129-02-005439 10-Q 2 20020930 20021106 LEXICON GENETICS INC/TX 0001062822 2835 760474169 1231 10-Q 34 000-30111 02811570 4000 RESEARCH FOREST DRIVE 281-364-0100 THE WOODLANDS TX 77381 2813640100 4000 RESEARCH FOREST DR THE WOODLANDS TX 77381 10-Q 1 h00949e10vq.txt LEXICON GENETICS INC.- PERIOD SEPTEMBER 30, 2002 EX-99.1 3 h00949exv99w1.txt CERTIFICATION OF CEO & CFO PURSUANT TO SECTION 906