While I didn't check http://www.imagemagick.org/ should be able to do this and it can be loaded as an ASP COM object.
' example usage in ASP - resize an image
Set img = CreateObject("ImageMagickObject.MagickImage.1")
msgs = img.convert(src, "-scale", "200x200", trg)
Edit:
According to this info it is possible:
How to get EXIF keywords using mini_magick in a Rails app?
Re-written for this new info (not tested):
Set img = CreateObject("ImageMagickObject.MagickImage.1")
msgs = img.convert("identify", "-verbose", trg)
Where trg is your file, you would then have to process the output to get the info you needed.