According to Le Film Français' press release, Cosmopolis' French release date is May 23rd.
Pierre-Ange Le Pogam (French producer) placed the date of the new Cronenberg movie, with Robert Pattinson, on May 23rd in France. It will be its first release under the lead of Stone Angels.Two journalists working for Pure Medias and Pure Charts, tweeted about it as well.
Cosmopolis will set the starting line for the distributor 'Stone Angels'. Indeed, Pierre-Ange Le Pogam's company just placed on May 23rd, David Cronenberg's movie produced by Paulo Branco. It's the adaption of the famous novel by Don DeLillo about the journey of a young multi-millionnaire that goes up and down New York in his limo. The main role was given to Robert Pattinson freshly out of Twilght
The choice of this date might coincide with Cosmopolis presentation at Cannes which opens a week before. We will have an answer April 19th when Thierry Frémaux announces the 2012 selection.