FREMONT, Calif.--(BUSINESS WIRE)--ARYx Therapeutics, Inc. (NASDAQ:ARYX) today announced that it will present at the Jefferies & Company 3rd Annual Healthcare Conference on Wednesday, June 17, 2009 at 2:45 p.m. Eastern Time. A live webcast of the presentation may be accessed at the ARYx website http://www.aryx.com. The presentation will be archived for 30 days.