WordPress MU

Is anyone having problems with the Media Uploader extracting the EXIF data from an image? For some reason, none of my images that I upload via the Media Uploader will extract the EXIF. I'm 100% sure that the EXIF in my images are OK as I've checked them in Photoshop and uploaded them to Flickr and they all show up fine. When I look in the database where the EXIF data is stored, here's the thing, it shows up some of my EXIF data such as copyright, description but not camera, shutter, ISO, and so forth. I'm wondering if I need to install something that I'm missing on my server. When I was using Gallery2, I had no problems with EXIF extraction. Anyone having the same problem or might have a solution? Thanks!