SANTA CLARA, Calif.--(BUSINESS WIRE)--XenoPort, Inc. (Nasdaq: XNPT) announced today that it will provide access via the World Wide Web to its presentation at the 24th Annual Piper Jaffray Health Care Conference. The live presentation will occur at 5:30 a.m. Pacific Time (8:30 a.m. Eastern Time) on Wednesday, November 28, 2012. A replay of the presentation will also be available.