X0202 4 2007-12-17 0 0001130591 XENOPORT INC XNPT 0001326330 Barrett Ronald W C/O XENOPORT, INC. 3410 CENTRAL EXPRESSWAY SANTA CLARA CA 95051 1 1 0 0 Chief Executive Officer Common stock 2007-12-17 4 S 0 100 54.76 D 88786 I By Trust Common stock 2007-12-17 5 G 0 E 2000 0.00 D 86786 I By Trust Common stock 4761 D Common stock 1666 I By Children These shares were sold by the Ronald W & Sharon S Barrett 1992 Family Trust DTD Feb 6, 1992, to which the reporting person had contributed 276,756 shares of XenoPort, Inc common stock in a transaction that resulted in a change in form of ownership from direct to indirect. The trust's sales were effected pursuant to instructions given to the trustee by the reporting person pursuant to a 10b5-1 trading plan. Form 3 of 3 dated 12/19/2007 /s/ Martyn J. Webster Attorney-in-fact 2007-12-19