HOUSTON, Sept 30 (Reuters) - The World Bank arbitration tribunal will give its final ruling this week on a multi-billion dollar claim by Exxon Mobil Corp against Venezuela over a 2007 nationalization, legal sources said on Tuesday.

"The final ruling will be delivered to the parties on Thursday, October 2, according to a notification they received last week," one of the sources told Reuters.

(Reporting by Marianna Parraga; Writing by Andrew Cawthorne; Editing by Chizu Nomiyama)