A source close to the LA autoshow said the decision came months ago, though a report out of Detroit has drawn the Web's attention to it today.
Aston Martin is still attending, although Aston public relations officials recently said the company would have no official presence there – LA-based Aston dealers are still expected to pull together a booth.
Source tells us that show organisers tried to persuade the other exotics to do the same, but Ferrari and Maserati in particular were against that because they wouldn't be able to control the brand message going out to consumers.
The official exhibitor list can be view here.