[Saphire]

Stephen, I have just disabled the Auto in Camera RAW and saved the new defaults. Gone back into bridge and selected all images and set them to the Camera Raw default. It has worked they are still about a third of a stop out but nothing like they were.

This image is the same one as above with nothing done to it apart from removed the auto settings.

The histogram is very close to what was in the camera.

For general editing of my workflow I use C1Pro and there doesn't seem to be a way of changing the defaults for the Compensation, so I am not going to be able to use it until they rectify the discrepancies.